Pseudocode: Introduce pseudo-value analysis

compiler/frontend/src/org/jetbrains/jet/lang/cfg/JetControlFlowBuilder.java

@@ -18,6 +18,7 @@ package org.jetbrains.jet.lang.cfg;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.lang.cfg.pseudocode.PseudoValue;
 import org.jetbrains.jet.lang.cfg.pseudocode.Pseudocode;
 import org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor;
 import org.jetbrains.jet.lang.descriptors.VariableDescriptor;
@@ -64,16 +65,16 @@ public interface JetControlFlowBuilder {
 
     // Jumps
     void jump(@NotNull Label label, @NotNull JetElement element);
-    void jumpOnFalse(@NotNull Label label, @NotNull JetElement element);
+    void jumpOnFalse(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue conditionValue);
-    void jumpOnTrue(@NotNull Label label, @NotNull JetElement element);
+    void jumpOnTrue(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue conditionValue);
-    void nondeterministicJump(@NotNull Label label, @NotNull JetElement element); // Maybe, jump to label
+    void nondeterministicJump(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue inputValue); // Maybe, jump to label
     void nondeterministicJump(@NotNull List<Label> label, @NotNull JetElement element);
     void jumpToError(@NotNull JetElement element);
 
-    void returnValue(@NotNull JetExpression returnExpression, @NotNull JetElement subroutine);
+    void returnValue(@NotNull JetReturnExpression returnExpression, @NotNull PseudoValue returnValue, @NotNull JetElement subroutine);
-    void returnNoValue(@NotNull JetElement returnExpression, @NotNull JetElement subroutine);
+    void returnNoValue(@NotNull JetReturnExpression returnExpression, @NotNull JetElement subroutine);
 
-    void throwException(@NotNull JetThrowExpression throwExpression);
+    void throwException(@NotNull JetThrowExpression throwExpression, @NotNull PseudoValue thrownValue);
 
     // Loops
     LoopInfo enterLoop(@NotNull JetExpression expression, @Nullable Label loopExitPoint, @Nullable Label conditionEntryPoint);
@@ -91,27 +92,54 @@ public interface JetControlFlowBuilder {
     // Reading values
     void mark(@NotNull JetElement element);
 
+    @Nullable
+    PseudoValue getBoundValue(@Nullable JetElement element);
+    void bindValue(@NotNull PseudoValue value, @NotNull JetElement element);
+
     void loadUnit(@NotNull JetExpression expression);
-    void loadConstant(@NotNull JetExpression expression, @Nullable CompileTimeConstant<?> constant);
-    void createAnonymousObject(@NotNull JetObjectLiteralExpression expression);
-    void createFunctionLiteral(@NotNull JetFunctionLiteralExpression expression);
-    void loadStringTemplate(@NotNull JetStringTemplateExpression expression);
 
-    void readThis(@NotNull JetExpression expression, @Nullable ReceiverParameterDescriptor parameterDescriptor);
+    @NotNull
-    void readVariable(@NotNull JetExpression expression, @Nullable VariableDescriptor variableDescriptor);
+    PseudoValue loadConstant(@NotNull JetExpression expression, @Nullable CompileTimeConstant<?> constant);
+    @NotNull
+    PseudoValue createAnonymousObject(@NotNull JetObjectLiteralExpression expression);
+    @NotNull
+    PseudoValue createFunctionLiteral(@NotNull JetFunctionLiteralExpression expression);
+    @NotNull
+    PseudoValue loadStringTemplate(@NotNull JetStringTemplateExpression expression, @NotNull List<PseudoValue> inputValues);
 
-    void call(@NotNull JetExpression expression, @NotNull ResolvedCall<?> resolvedCall);
+    @NotNull
+    PseudoValue magic(
+            @NotNull JetElement instructionElement,
+            @Nullable JetElement valueElement,
+            @NotNull List<PseudoValue> inputValues,
+            boolean synthetic
+    );
+
+    @NotNull
+    PseudoValue readThis(@NotNull JetExpression expression, @Nullable ReceiverParameterDescriptor parameterDescriptor);
+    @NotNull
+    PseudoValue readVariable(
+            @NotNull JetExpression expression, @Nullable VariableDescriptor variableDescriptor, @Nullable PseudoValue receiverValue
+    );
+
+    @Nullable
+    PseudoValue call(@NotNull JetExpression expression, @NotNull ResolvedCall<?> resolvedCall, @NotNull List<PseudoValue> inputValues);
 
     enum PredefinedOperation {
         AND,
         OR,
         NOT_NULL_ASSERTION
     }
-    void predefinedOperation(@NotNull JetExpression expression, @Nullable PredefinedOperation operation);
+    @NotNull
+    PseudoValue predefinedOperation(
+            @NotNull JetExpression expression,
+            @NotNull PredefinedOperation operation,
+            @NotNull List<PseudoValue> inputValues
+    );
 
     void compilationError(@NotNull JetElement element, @NotNull String message);
 
-    void write(@NotNull JetElement assignment, @NotNull JetElement lValue);
+    void write(@NotNull JetElement assignment, @NotNull JetElement lValue, @NotNull PseudoValue rValue, @Nullable PseudoValue receiverValue);
     
     // Other
     void unsupported(JetElement element);

compiler/frontend/src/org/jetbrains/jet/lang/cfg/JetControlFlowBuilderAdapter.java

@@ -18,6 +18,7 @@ package org.jetbrains.jet.lang.cfg;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.lang.cfg.pseudocode.PseudoValue;
 import org.jetbrains.jet.lang.cfg.pseudocode.Pseudocode;
 import org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor;
 import org.jetbrains.jet.lang.descriptors.VariableDescriptor;
@@ -37,44 +38,70 @@ public abstract class JetControlFlowBuilderAdapter implements JetControlFlowBuil
         getDelegateBuilder().loadUnit(expression);
     }
 
+    @NotNull
     @Override
-    public void loadConstant(@NotNull JetExpression expression, @Nullable CompileTimeConstant<?> constant) {
+    public PseudoValue loadConstant(@NotNull JetExpression expression, @Nullable CompileTimeConstant<?> constant) {
-        getDelegateBuilder().loadConstant(expression, constant);
+        return getDelegateBuilder().loadConstant(expression, constant);
     }
 
+    @NotNull
     @Override
-    public void createAnonymousObject(@NotNull JetObjectLiteralExpression expression) {
+    public PseudoValue createAnonymousObject(@NotNull JetObjectLiteralExpression expression) {
-        getDelegateBuilder().createAnonymousObject(expression);
+        return getDelegateBuilder().createAnonymousObject(expression);
     }
 
+    @NotNull
     @Override
-    public void createFunctionLiteral(@NotNull JetFunctionLiteralExpression expression) {
+    public PseudoValue createFunctionLiteral(@NotNull JetFunctionLiteralExpression expression) {
-        getDelegateBuilder().createFunctionLiteral(expression);
+        return getDelegateBuilder().createFunctionLiteral(expression);
     }
 
+    @NotNull
     @Override
-    public void loadStringTemplate(@NotNull JetStringTemplateExpression expression) {
+    public PseudoValue loadStringTemplate(@NotNull JetStringTemplateExpression expression, @NotNull List<PseudoValue> inputValues) {
-        getDelegateBuilder().loadStringTemplate(expression);
+        return getDelegateBuilder().loadStringTemplate(expression, inputValues);
     }
 
+    @NotNull
     @Override
-    public void readThis(@NotNull JetExpression expression, @Nullable ReceiverParameterDescriptor parameterDescriptor) {
+    public PseudoValue magic(
-        getDelegateBuilder().readThis(expression, parameterDescriptor);
+            @NotNull JetElement instructionElement,
+            @Nullable JetElement valueElement,
+            @NotNull List<PseudoValue> inputValues,
+            boolean synthetic
+    ) {
+        return getDelegateBuilder().magic(instructionElement, valueElement, inputValues, synthetic);
     }
 
+    @NotNull
     @Override
-    public void readVariable(@NotNull JetExpression expression, @Nullable VariableDescriptor variableDescriptor) {
+    public PseudoValue readThis(@NotNull JetExpression expression, @Nullable ReceiverParameterDescriptor parameterDescriptor) {
-        getDelegateBuilder().readVariable(expression, variableDescriptor);
+        return getDelegateBuilder().readThis(expression, parameterDescriptor);
     }
 
+    @NotNull
     @Override
-    public void call(@NotNull JetExpression expression, @NotNull ResolvedCall<?> resolvedCall) {
+    public PseudoValue readVariable(
-        getDelegateBuilder().call(expression, resolvedCall);
+            @NotNull JetExpression expression,
+            @Nullable VariableDescriptor variableDescriptor,
+            @Nullable PseudoValue receiverValue) {
+        return getDelegateBuilder().readVariable(expression, variableDescriptor, receiverValue);
     }
 
+    @Nullable
     @Override
-    public void predefinedOperation(@NotNull JetExpression expression, @Nullable PredefinedOperation operation) {
+    public PseudoValue call(@NotNull JetExpression expression, @NotNull ResolvedCall<?> resolvedCall, @NotNull List<PseudoValue> inputValues) {
-        getDelegateBuilder().predefinedOperation(expression, operation);
+        return getDelegateBuilder().call(expression, resolvedCall, inputValues);
+    }
+
+    @NotNull
+    @Override
+    public PseudoValue predefinedOperation(
+            @NotNull JetExpression expression,
+            @NotNull PredefinedOperation operation,
+            @NotNull List<PseudoValue> inputValues
+    ) {
+        return getDelegateBuilder().predefinedOperation(expression, operation, inputValues);
     }
 
     @Override
@@ -105,18 +132,18 @@ public abstract class JetControlFlowBuilderAdapter implements JetControlFlowBuil
     }
 
     @Override
-    public void jumpOnFalse(@NotNull Label label, @NotNull JetElement element) {
+    public void jumpOnFalse(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue conditionValue) {
-        getDelegateBuilder().jumpOnFalse(label, element);
+        getDelegateBuilder().jumpOnFalse(label, element, conditionValue);
     }
 
     @Override
-    public void jumpOnTrue(@NotNull Label label, @NotNull JetElement element) {
+    public void jumpOnTrue(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue conditionValue) {
-        getDelegateBuilder().jumpOnTrue(label, element);
+        getDelegateBuilder().jumpOnTrue(label, element, conditionValue);
     }
 
     @Override
-    public void nondeterministicJump(@NotNull Label label, @NotNull JetElement element) {
+    public void nondeterministicJump(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue inputValue) {
-        getDelegateBuilder().nondeterministicJump(label, element);
+        getDelegateBuilder().nondeterministicJump(label, element, inputValue);
     }
 
     @Override
@@ -130,8 +157,8 @@ public abstract class JetControlFlowBuilderAdapter implements JetControlFlowBuil
     }
 
     @Override
-    public void throwException(@NotNull JetThrowExpression throwExpression) {
+    public void throwException(@NotNull JetThrowExpression throwExpression, @NotNull PseudoValue thrownValue) {
-        getDelegateBuilder().throwException(throwExpression);
+        getDelegateBuilder().throwException(throwExpression, thrownValue);
     }
 
     @Override
@@ -196,12 +223,12 @@ public abstract class JetControlFlowBuilderAdapter implements JetControlFlowBuil
     }
 
     @Override
-    public void returnValue(@NotNull JetExpression returnExpression, @NotNull JetElement subroutine) {
+    public void returnValue(@NotNull JetReturnExpression returnExpression, @NotNull PseudoValue returnValue, @NotNull JetElement subroutine) {
-        getDelegateBuilder().returnValue(returnExpression, subroutine);
+        getDelegateBuilder().returnValue(returnExpression, returnValue, subroutine);
     }
 
     @Override
-    public void returnNoValue(@NotNull JetElement returnExpression, @NotNull JetElement subroutine) {
+    public void returnNoValue(@NotNull JetReturnExpression returnExpression, @NotNull JetElement subroutine) {
         getDelegateBuilder().returnNoValue(returnExpression, subroutine);
     }
 
@@ -211,8 +238,12 @@ public abstract class JetControlFlowBuilderAdapter implements JetControlFlowBuil
     }
 
     @Override
-    public void write(@NotNull JetElement assignment, @NotNull JetElement lValue) {
+    public void write(
-        getDelegateBuilder().write(assignment, lValue);
+            @NotNull JetElement assignment,
+            @NotNull JetElement lValue,
+            @NotNull PseudoValue rValue,
+            @Nullable PseudoValue receiverValue) {
+        getDelegateBuilder().write(assignment, lValue, rValue, receiverValue);
     }
 
     @Override
@@ -240,6 +271,17 @@ public abstract class JetControlFlowBuilderAdapter implements JetControlFlowBuil
         getDelegateBuilder().mark(element);
     }
 
+    @Nullable
+    @Override
+    public PseudoValue getBoundValue(@Nullable JetElement element) {
+        return getDelegateBuilder().getBoundValue(element);
+    }
+
+    @Override
+    public void bindValue(@NotNull PseudoValue value, @NotNull JetElement element) {
+        getDelegateBuilder().bindValue(value, element);
+    }
+
     @Override
     public void enterLexicalScope(@NotNull JetElement element) {
         getDelegateBuilder().enterLexicalScope(element);

compiler/frontend/src/org/jetbrains/jet/lang/cfg/JetControlFlowProcessor.java

@@ -21,9 +21,13 @@ import com.google.common.collect.Lists;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.tree.IElementType;
 import com.intellij.psi.util.PsiTreeUtil;
+import kotlin.Function0;
+import kotlin.Function1;
+import kotlin.KotlinPackage;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.cfg.pseudocode.JetControlFlowInstructionsGenerator;
+import org.jetbrains.jet.lang.cfg.pseudocode.PseudoValue;
 import org.jetbrains.jet.lang.cfg.pseudocode.Pseudocode;
 import org.jetbrains.jet.lang.cfg.pseudocode.PseudocodeImpl;
 import org.jetbrains.jet.lang.descriptors.*;
@@ -47,9 +51,7 @@ import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.lexer.JetToken;
 import org.jetbrains.jet.lexer.JetTokens;
 
-import java.util.Iterator;
+import java.util.*;
-import java.util.LinkedList;
-import java.util.List;
 
 import static org.jetbrains.jet.lang.cfg.JetControlFlowBuilder.PredefinedOperation.*;
 import static org.jetbrains.jet.lang.cfg.JetControlFlowProcessor.CFPContext.IN_CONDITION;
@@ -100,7 +102,7 @@ public class JetControlFlowProcessor {
 
         Label afterDeclaration = builder.createUnboundLabel();
 
-        builder.nondeterministicJump(afterDeclaration, parent);
+        builder.nondeterministicJump(afterDeclaration, parent, null);
         generate(subroutine);
         builder.bindLabel(afterDeclaration);
     }
@@ -119,7 +121,7 @@ public class JetControlFlowProcessor {
             return inCondition;
         }
     }
-    
+
     private class CFPVisitor extends JetVisitorVoidWithParameter<CFPContext> {
         private final JetControlFlowBuilder builder;
 
@@ -129,7 +131,9 @@ public class JetControlFlowProcessor {
             public void visitWhenConditionInRangeVoid(@NotNull JetWhenConditionInRange condition, CFPContext context) {
                 generateInstructions(condition.getRangeExpression(), context);
                 generateInstructions(condition.getOperationReference(), context);
+
                 // TODO : read the call to contains()...
+                createNonSyntheticValue(Arrays.asList(condition.getRangeExpression(), condition.getOperationReference()), condition);
             }
 
             @Override
@@ -140,6 +144,7 @@ public class JetControlFlowProcessor {
             @Override
             public void visitWhenConditionWithExpressionVoid(@NotNull JetWhenConditionWithExpression condition, CFPContext context) {
                 generateInstructions(condition.getExpression(), context);
+                copyValue(condition.getExpression(), condition);
             }
 
             @Override
@@ -179,12 +184,59 @@ public class JetControlFlowProcessor {
             }
         }
 
+        @NotNull
+        private PseudoValue createSyntheticValue(@NotNull JetElement instructionElement) {
+            return builder.magic(instructionElement, null, Collections.<PseudoValue>emptyList(), true);
+        }
+
+        @NotNull
+        private PseudoValue createNonSyntheticValue(@NotNull List<? extends JetElement> from, @NotNull JetElement to) {
+            return builder.magic(to, to, elementsToValues(from), false);
+        }
+
+        private void mergeValues(@NotNull List<JetExpression> from, @NotNull JetExpression to) {
+            List<PseudoValue> values = elementsToValues(from);
+            switch (values.size()) {
+                case 0:
+                    break;
+                case 1:
+                    builder.bindValue(values.get(0), to);
+                    break;
+                default:
+                    builder.magic(to, to, values, true);
+                    break;
+            }
+        }
+
+        private void copyValue(@Nullable JetElement from, @NotNull JetElement to) {
+            PseudoValue value = builder.getBoundValue(from);
+            if (value != null) {
+                builder.bindValue(value, to);
+            }
+        }
+
+        private List<PseudoValue> elementsToValues(List<? extends JetElement> from) {
+            return KotlinPackage.filterNotNull(
+                    KotlinPackage.mapTo(
+                            from,
+                            new LinkedHashSet<PseudoValue>(),
+                            new Function1<JetElement, PseudoValue>() {
+                                @Override
+                                public PseudoValue invoke(JetElement element) {
+                                    return builder.getBoundValue(element);
+                                }
+                            }
+                    )
+            );
+        }
+
         @Override
         public void visitParenthesizedExpressionVoid(@NotNull JetParenthesizedExpression expression, CFPContext context) {
             mark(expression);
             JetExpression innerExpression = expression.getExpression();
             if (innerExpression != null) {
                 generateInstructions(innerExpression, context);
+                copyValue(innerExpression, expression);
             }
         }
 
@@ -193,6 +245,7 @@ public class JetControlFlowProcessor {
             JetExpression baseExpression = expression.getBaseExpression();
             if (baseExpression != null) {
                 generateInstructions(baseExpression, context);
+                copyValue(baseExpression, expression);
             }
         }
 
@@ -223,8 +276,8 @@ public class JetControlFlowProcessor {
                 VariableAsFunctionResolvedCall variableAsFunctionResolvedCall = (VariableAsFunctionResolvedCall) resolvedCall;
                 generateCall(expression, variableAsFunctionResolvedCall.getVariableCall());
             }
-            else {
+            else if (!generateCall(expression) && !(expression.getParent() instanceof JetCallExpression)) {
-                generateCall(expression);
+                createNonSyntheticValue(Collections.singletonList(generateAndGetReceiverIfAny(expression)), expression);
             }
         }
 
@@ -234,43 +287,47 @@ public class JetControlFlowProcessor {
             JetExpression baseExpression = expression.getBaseExpression();
             if (baseExpression != null) {
                 generateInstructions(baseExpression, context);
+                copyValue(baseExpression, expression);
             }
         }
 
-        @SuppressWarnings("SuspiciousMethodCalls") @Override
+        @SuppressWarnings("SuspiciousMethodCalls")
+        @Override
         public void visitBinaryExpressionVoid(@NotNull JetBinaryExpression expression, CFPContext context) {
             JetSimpleNameExpression operationReference = expression.getOperationReference();
             IElementType operationType = operationReference.getReferencedNameElementType();
             if (!ImmutableSet.of(ANDAND, OROR, EQ, ELVIS).contains(operationType)) {
                 mark(expression);
             }
+
+            JetExpression left = expression.getLeft();
             JetExpression right = expression.getRight();
             if (operationType == ANDAND) {
-                generateInstructions(expression.getLeft(), IN_CONDITION);
+                generateInstructions(left, IN_CONDITION);
                 Label resultLabel = builder.createUnboundLabel();
-                builder.jumpOnFalse(resultLabel, expression);
+                builder.jumpOnFalse(resultLabel, expression, builder.getBoundValue(left));
                 if (right != null) {
                     generateInstructions(right, IN_CONDITION);
                 }
                 builder.bindLabel(resultLabel);
                 if (!context.inCondition()) {
-                    builder.predefinedOperation(expression, AND);
+                    predefinedOperation(expression, AND);
                 }
             }
             else if (operationType == OROR) {
-                generateInstructions(expression.getLeft(), IN_CONDITION);
+                generateInstructions(left, IN_CONDITION);
                 Label resultLabel = builder.createUnboundLabel();
-                builder.jumpOnTrue(resultLabel, expression);
+                builder.jumpOnTrue(resultLabel, expression, builder.getBoundValue(left));
                 if (right != null) {
                     generateInstructions(right, IN_CONDITION);
                 }
                 builder.bindLabel(resultLabel);
                 if (!context.inCondition()) {
-                    builder.predefinedOperation(expression, OR);
+                    predefinedOperation(expression, OR);
                 }
             }
             else if (operationType == EQ) {
-                visitAssignment(expression.getLeft(), right, expression);
+                visitAssignment(left, getDeferredValue(right, true), expression);
             }
             else if (OperatorConventions.ASSIGNMENT_OPERATIONS.containsKey(operationType)) {
                 if (generateCall(operationReference)) {
@@ -280,7 +337,7 @@ public class JetControlFlowProcessor {
                     Name assignMethodName = OperatorConventions.getNameForOperationSymbol((JetToken) expression.getOperationToken());
                     if (!descriptor.getName().equals(assignMethodName)) {
                         // plus() called, assignment needed
-                        visitAssignment(expression.getLeft(), null, expression);
+                        visitAssignment(left, getDeferredValue(operationReference, false), expression);
                     }
                 }
                 else {
@@ -288,21 +345,43 @@ public class JetControlFlowProcessor {
                 }
             }
             else if (operationType == ELVIS) {
-                generateInstructions(expression.getLeft(), NOT_IN_CONDITION);
+                generateInstructions(left, NOT_IN_CONDITION);
                 Label afterElvis = builder.createUnboundLabel();
-                builder.jumpOnTrue(afterElvis, expression);
+                builder.jumpOnTrue(afterElvis, expression, builder.getBoundValue(left));
                 if (right != null) {
                     generateInstructions(right, NOT_IN_CONDITION);
                 }
                 builder.bindLabel(afterElvis);
+                mergeValues(Arrays.asList(left, right), expression);
             }
             else {
-                if (!generateCall(operationReference)) {
+                if (generateCall(operationReference)) {
+                    copyValue(operationReference, expression);
+                }
+                else {
                     generateBothArguments(expression);
                 }
             }
         }
 
+        private Function0<PseudoValue> getDeferredValue(final JetExpression right, final boolean generate) {
+            return new Function0<PseudoValue>() {
+                @Override
+                public PseudoValue invoke() {
+                    if (generate) {
+                        generateInstructions(right, NOT_IN_CONDITION);
+                    }
+                    return builder.getBoundValue(right);
+                }
+            };
+        }
+
+        private void predefinedOperation(JetBinaryExpression expression, JetControlFlowBuilder.PredefinedOperation operation) {
+            builder.predefinedOperation(
+                    expression, operation, elementsToValues(Arrays.asList(expression.getLeft(), expression.getRight()))
+            );
+        }
+
         private void generateBothArguments(JetBinaryExpression expression) {
             JetExpression left = JetPsiUtil.deparenthesize(expression.getLeft());
             if (left != null) {
@@ -312,9 +391,10 @@ public class JetControlFlowProcessor {
             if (right != null) {
                 generateInstructions(right, NOT_IN_CONDITION);
             }
+            createNonSyntheticValue(Arrays.asList(left, right), expression);
         }
 
-        private void visitAssignment(JetExpression lhs, @Nullable JetExpression rhs, JetExpression parentExpression) {
+        private void visitAssignment(JetExpression lhs, @NotNull Function0<PseudoValue> rhsDeferredValue, JetExpression parentExpression) {
             JetExpression left = JetPsiUtil.deparenthesize(lhs);
             if (left == null) {
                 builder.compilationError(lhs, "No lValue in assignment");
@@ -322,44 +402,90 @@ public class JetControlFlowProcessor {
             }
 
             if (left instanceof JetArrayAccessExpression) {
-                ResolvedCall<FunctionDescriptor> setResolvedCall = trace.get(BindingContext.INDEXED_LVALUE_SET, left);
+                generateArrayAssignment((JetArrayAccessExpression) left, rhsDeferredValue, parentExpression);
-                generateArrayAccess((JetArrayAccessExpression) left, setResolvedCall);
-                recordWrite(left, parentExpression);
                 return;
             }
 
-            generateInstructions(rhs, NOT_IN_CONDITION);
+            PseudoValue rhsValue = rhsDeferredValue.invoke();
+            PseudoValue receiverValue = null;
             if (left instanceof JetSimpleNameExpression || left instanceof JetProperty) {
                 // Do nothing, just record write below
             }
             else if (left instanceof JetQualifiedExpression) {
-                generateInstructions(((JetQualifiedExpression) left).getReceiverExpression(), NOT_IN_CONDITION);
+                JetExpression receiverExpression = ((JetQualifiedExpression) left).getReceiverExpression();
+                generateInstructions(receiverExpression, NOT_IN_CONDITION);
+                receiverValue = builder.getBoundValue(receiverExpression);
             }
             else {
                 builder.unsupported(parentExpression); // TODO
             }
 
-            recordWrite(left, parentExpression);
+            recordWrite(left, rhsValue, receiverValue, parentExpression);
         }
 
-        private void recordWrite(JetExpression left, JetExpression parentExpression) {
+        private void generateArrayAssignment(
+                JetArrayAccessExpression lhs, @NotNull Function0<PseudoValue> rhsDeferredValue, JetExpression parentExpression
+        ) {
+            ResolvedCall<FunctionDescriptor> setResolvedCall = trace.get(BindingContext.INDEXED_LVALUE_SET, lhs);
+
+            if (setResolvedCall == null) {
+                generateArrayAccess(lhs, null);
+                return;
+            }
+
+            // In case of simple ('=') array assignment mark instruction is not generated yet, so we put it before generating "set" call
+            if (((JetOperationExpression) parentExpression).getOperationReference().getReferencedNameElementType() == EQ) {
+                mark(lhs);
+            }
+
+            generateArrayAccessArguments(lhs);
+
+            List<JetExpression> inputExpressions = new ArrayList<JetExpression>();
+            inputExpressions.add(lhs.getArrayExpression());
+            inputExpressions.addAll(lhs.getIndexExpressions());
+
+            List<PseudoValue> inputValues = elementsToValues(inputExpressions);
+            PseudoValue rhsValue = rhsDeferredValue.invoke();
+            if (rhsValue != null) {
+                inputValues.add(rhsValue);
+            }
+
+            builder.call(parentExpression, setResolvedCall, inputValues);
+        }
+
+        private void recordWrite(JetExpression left, PseudoValue rightValue, PseudoValue receiverValue, JetExpression parentExpression) {
             VariableDescriptor descriptor = BindingContextUtils.extractVariableDescriptorIfAny(trace.getBindingContext(), left, false);
             if (descriptor != null) {
-                builder.write(parentExpression, left);
+                builder.write(parentExpression, left, rightValue != null ? rightValue : createSyntheticValue(parentExpression), receiverValue);
             }
         }
 
         private void generateArrayAccess(JetArrayAccessExpression arrayAccessExpression, @Nullable ResolvedCall<?> resolvedCall) {
             mark(arrayAccessExpression);
             if (!checkAndGenerateCall(arrayAccessExpression, resolvedCall)) {
-                for (JetExpression index : arrayAccessExpression.getIndexExpressions()) {
+                generateArrayAccessWithoutCall(arrayAccessExpression);
-                    generateInstructions(index, NOT_IN_CONDITION);
-                }
-
-                generateInstructions(arrayAccessExpression.getArrayExpression(), NOT_IN_CONDITION);
             }
         }
 
+        private void generateArrayAccessWithoutCall(JetArrayAccessExpression arrayAccessExpression) {
+            createNonSyntheticValue(generateArrayAccessArguments(arrayAccessExpression), arrayAccessExpression);
+        }
+
+        private List<JetExpression> generateArrayAccessArguments(JetArrayAccessExpression arrayAccessExpression) {
+            List<JetExpression> inputExpressions = new ArrayList<JetExpression>();
+
+            JetExpression arrayExpression = arrayAccessExpression.getArrayExpression();
+            inputExpressions.add(arrayExpression);
+            generateInstructions(arrayExpression, NOT_IN_CONDITION);
+
+            for (JetExpression index : arrayAccessExpression.getIndexExpressions()) {
+                generateInstructions(index, NOT_IN_CONDITION);
+                inputExpressions.add(index);
+            }
+
+            return inputExpressions;
+        }
+
         @Override
         public void visitUnaryExpressionVoid(@NotNull JetUnaryExpression expression, CFPContext context) {
             mark(expression);
@@ -369,17 +495,23 @@ public class JetControlFlowProcessor {
             if (baseExpression == null) return;
             if (JetTokens.EXCLEXCL == operationType) {
                 generateInstructions(baseExpression, NOT_IN_CONDITION);
-                builder.predefinedOperation(expression, NOT_NULL_ASSERTION);
+                builder.predefinedOperation(expression, NOT_NULL_ASSERTION, elementsToValues(Collections.singletonList(baseExpression)));
             }
             else {
-                if (!generateCall(expression.getOperationReference())) {
+                boolean resolved = generateCall(operationSign);
+                if (!resolved) {
                     generateInstructions(baseExpression, NOT_IN_CONDITION);
                 }
 
-                boolean incrementOrDecrement = isIncrementOrDecrement(operationType);
+                if (isIncrementOrDecrement(operationType)) {
-                if (incrementOrDecrement) {
                     // We skip dup's and other subtleties here
-                    visitAssignment(baseExpression, null, expression);
+                    visitAssignment(baseExpression, getDeferredValue(operationSign, false), expression);
+                }
+                else if (resolved) {
+                    copyValue(operationSign, expression);
+                }
+                else {
+                    createNonSyntheticValue(Collections.singletonList(baseExpression), expression);
                 }
             }
         }
@@ -388,18 +520,19 @@ public class JetControlFlowProcessor {
             return operationType == JetTokens.PLUSPLUS || operationType == JetTokens.MINUSMINUS;
         }
 
-
         @Override
         public void visitIfExpressionVoid(@NotNull JetIfExpression expression, CFPContext context) {
             mark(expression);
+            List<JetExpression> branches = new ArrayList<JetExpression>(2);
             JetExpression condition = expression.getCondition();
             if (condition != null) {
                 generateInstructions(condition, IN_CONDITION);
             }
             Label elseLabel = builder.createUnboundLabel();
-            builder.jumpOnFalse(elseLabel, expression);
+            builder.jumpOnFalse(elseLabel, expression, builder.getBoundValue(condition));
             JetExpression thenBranch = expression.getThen();
             if (thenBranch != null) {
+                branches.add(thenBranch);
                 generateInstructions(thenBranch, context);
             }
             else {
@@ -410,12 +543,14 @@ public class JetControlFlowProcessor {
             builder.bindLabel(elseLabel);
             JetExpression elseBranch = expression.getElse();
             if (elseBranch != null) {
+                branches.add(elseBranch);
                 generateInstructions(elseBranch, context);
             }
             else {
                 builder.loadUnit(expression);
             }
             builder.bindLabel(resultLabel);
+            mergeValues(branches, expression);
         }
 
         private class FinallyBlockGenerator {
@@ -444,14 +579,15 @@ public class JetControlFlowProcessor {
                 builder.bindLabel(finishFinally);
             }
         }
-       
 
         @Override
         public void visitTryExpressionVoid(@NotNull JetTryExpression expression, CFPContext context) {
             mark(expression);
+
             JetFinallySection finallyBlock = expression.getFinallyBlock();
             final FinallyBlockGenerator finallyBlockGenerator = new FinallyBlockGenerator(finallyBlock, context);
-            if (finallyBlock != null) {
+            boolean hasFinally = finallyBlock != null;
+            if (hasFinally) {
                 builder.enterTryFinally(new GenerationTrigger() {
                     private boolean working = false;
 
@@ -466,19 +602,51 @@ public class JetControlFlowProcessor {
                 });
             }
 
+            Label onExceptionToFinallyBlock = generateTryAndCatches(expression, context);
+
+            if (hasFinally) {
+                assert onExceptionToFinallyBlock != null : "No finally lable generated: " + expression.getText();
+
+                builder.exitTryFinally();
+
+                Label skipFinallyToErrorBlock = builder.createUnboundLabel("skipFinallyToErrorBlock");
+                builder.jump(skipFinallyToErrorBlock, expression);
+                builder.bindLabel(onExceptionToFinallyBlock);
+                finallyBlockGenerator.generate();
+                builder.jumpToError(expression);
+                builder.bindLabel(skipFinallyToErrorBlock);
+
+                finallyBlockGenerator.generate();
+            }
+
+            List<JetExpression> branches = new ArrayList<JetExpression>();
+            branches.add(expression.getTryBlock());
+            for (JetCatchClause catchClause : expression.getCatchClauses()) {
+                branches.add(catchClause.getCatchBody());
+            }
+            mergeValues(branches, expression);
+        }
+
+        // Returns label for 'finally' block
+        @Nullable
+        private Label generateTryAndCatches(@NotNull JetTryExpression expression, CFPContext context) {
             List<JetCatchClause> catchClauses = expression.getCatchClauses();
             boolean hasCatches = !catchClauses.isEmpty();
+
             Label onException = null;
             if (hasCatches) {
                 onException = builder.createUnboundLabel("onException");
-                builder.nondeterministicJump(onException, expression);
+                builder.nondeterministicJump(onException, expression, null);
             }
+
             Label onExceptionToFinallyBlock = null;
-            if (finallyBlock != null) {
+            if (expression.getFinallyBlock() != null) {
                 onExceptionToFinallyBlock = builder.createUnboundLabel("onExceptionToFinallyBlock");
-                builder.nondeterministicJump(onExceptionToFinallyBlock, expression);
+                builder.nondeterministicJump(onExceptionToFinallyBlock, expression, null);
             }
-            generateInstructions(expression.getTryBlock(), context);
+
+            JetBlockExpression tryBlock = expression.getTryBlock();
+            generateInstructions(tryBlock, context);
 
             if (hasCatches) {
                 Label afterCatches = builder.createUnboundLabel("afterCatches");
@@ -505,7 +673,7 @@ public class JetControlFlowProcessor {
                     JetParameter catchParameter = catchClause.getCatchParameter();
                     if (catchParameter != null) {
                         builder.declareParameter(catchParameter);
-                        builder.write(catchParameter, catchParameter);
+                        builder.write(catchParameter, catchParameter, createSyntheticValue(catchParameter), null);
                     }
                     JetExpression catchBody = catchClause.getCatchBody();
                     if (catchBody != null) {
@@ -518,18 +686,7 @@ public class JetControlFlowProcessor {
                 builder.bindLabel(afterCatches);
             }
 
-            if (finallyBlock != null) {
+            return onExceptionToFinallyBlock;
-                builder.exitTryFinally();
-
-                Label skipFinallyToErrorBlock = builder.createUnboundLabel("skipFinallyToErrorBlock");
-                builder.jump(skipFinallyToErrorBlock, expression);
-                builder.bindLabel(onExceptionToFinallyBlock);
-                finallyBlockGenerator.generate();
-                builder.jumpToError(expression);
-                builder.bindLabel(skipFinallyToErrorBlock);
-
-                finallyBlockGenerator.generate();
-            }
         }
 
         @Override
@@ -544,7 +701,7 @@ public class JetControlFlowProcessor {
             }
             boolean conditionIsTrueConstant = CompileTimeConstantUtils.canBeReducedToBooleanConstant(condition, trace, true);
             if (!conditionIsTrueConstant) {
-                builder.jumpOnFalse(loopInfo.getExitPoint(), expression);
+                builder.jumpOnFalse(loopInfo.getExitPoint(), expression, builder.getBoundValue(condition));
             }
 
             builder.bindLabel(loopInfo.getBodyEntryPoint());
@@ -573,7 +730,7 @@ public class JetControlFlowProcessor {
             if (condition != null) {
                 generateInstructions(condition, IN_CONDITION);
             }
-            builder.jumpOnTrue(loopInfo.getEntryPoint(), expression);
+            builder.jumpOnTrue(loopInfo.getEntryPoint(), expression, builder.getBoundValue(condition));
             builder.exitLoop(expression);
             builder.loadUnit(expression);
             builder.exitLexicalScope(expression);
@@ -583,6 +740,7 @@ public class JetControlFlowProcessor {
         public void visitForExpressionVoid(@NotNull JetForExpression expression, CFPContext context) {
             builder.enterLexicalScope(expression);
             mark(expression);
+
             JetExpression loopRange = expression.getLoopRange();
             if (loopRange != null) {
                 generateInstructions(loopRange, NOT_IN_CONDITION);
@@ -594,7 +752,7 @@ public class JetControlFlowProcessor {
             Label conditionEntryPoint = builder.createUnboundLabel();
 
             builder.bindLabel(conditionEntryPoint);
-            builder.nondeterministicJump(loopExitPoint, expression);
+            builder.nondeterministicJump(loopExitPoint, expression, null);
 
             LoopInfo loopInfo = builder.enterLoop(expression, loopExitPoint, conditionEntryPoint);
 
@@ -606,7 +764,8 @@ public class JetControlFlowProcessor {
                 generateInstructions(body, NOT_IN_CONDITION);
             }
 
-            builder.nondeterministicJump(loopInfo.getEntryPoint(), expression);
+            builder.nondeterministicJump(loopInfo.getEntryPoint(), expression, null);
+
             builder.exitLoop(expression);
             builder.loadUnit(expression);
             builder.exitLexicalScope(expression);
@@ -626,12 +785,21 @@ public class JetControlFlowProcessor {
         private void writeLoopParameterAssignment(JetForExpression expression) {
             JetParameter loopParameter = expression.getLoopParameter();
             JetMultiDeclaration multiDeclaration = expression.getMultiParameter();
+
+            JetExpression loopRange = expression.getLoopRange();
+            PseudoValue value = builder.magic(
+                    loopRange != null ? loopRange : expression,
+                    null,
+                    Collections.singletonList(builder.getBoundValue(loopRange)),
+                    true
+            );
+
             if (loopParameter != null) {
-                builder.write(loopParameter, loopParameter);
+                builder.write(loopParameter, loopParameter, value, null);
             }
             else if (multiDeclaration != null) {
                 for (JetMultiDeclarationEntry entry : multiDeclaration.getEntries()) {
-                    builder.write(entry, entry);
+                    builder.write(entry, entry, value, null);
                 }
             }
         }
@@ -713,11 +881,12 @@ public class JetControlFlowProcessor {
             }
 
             if (subroutine instanceof JetFunction || subroutine instanceof JetPropertyAccessor) {
-                if (returnedExpression == null) {
+                PseudoValue returnValue = returnedExpression != null ? builder.getBoundValue(returnedExpression) : null;
+                if (returnValue == null) {
                     builder.returnNoValue(expression, subroutine);
                 }
                 else {
-                    builder.returnValue(expression, subroutine);
+                    builder.returnValue(expression, returnValue, subroutine);
                 }
             }
         }
@@ -729,7 +898,7 @@ public class JetControlFlowProcessor {
             if (defaultValue != null) {
                 generateInstructions(defaultValue, context);
             }
-            builder.write(parameter, parameter);
+            builder.write(parameter, parameter, createSyntheticValue(parameter), null);
         }
 
         @Override
@@ -746,6 +915,9 @@ public class JetControlFlowProcessor {
             if (statements.isEmpty()) {
                 builder.loadUnit(expression);
             }
+            else {
+                copyValue((JetExpression) KotlinPackage.lastOrNull(statements), expression);
+            }
             if (declareLexicalScope) {
                 builder.exitLexicalScope(expression);
             }
@@ -774,38 +946,59 @@ public class JetControlFlowProcessor {
         public void visitQualifiedExpressionVoid(@NotNull JetQualifiedExpression expression, CFPContext context) {
             mark(expression);
             JetExpression selectorExpression = expression.getSelectorExpression();
+            JetExpression receiverExpression = expression.getReceiverExpression();
 
-            if (selectorExpression == null) {
+            // todo: replace with selectorExpresion != null after parser is fixed
-                generateInstructions(expression.getReceiverExpression(), NOT_IN_CONDITION);
+            if (selectorExpression instanceof JetCallExpression || selectorExpression instanceof JetSimpleNameExpression) {
-                return;
+                generateInstructions(selectorExpression, NOT_IN_CONDITION);
+                copyValue(selectorExpression, expression);
             }
-
+            else {
-            generateInstructions(selectorExpression, NOT_IN_CONDITION);
+                generateInstructions(receiverExpression, NOT_IN_CONDITION);
-
+                createNonSyntheticValue(Collections.singletonList(receiverExpression), expression);
-            // receiver was generated for resolvedCall
-            JetExpression calleeExpression = JetPsiUtil.getCalleeExpressionIfAny(selectorExpression);
-            if (calleeExpression == null || getResolvedCall(calleeExpression) == null) {
-                generateInstructions(expression.getReceiverExpression(), NOT_IN_CONDITION);
             }
         }
 
         @Override
         public void visitCallExpressionVoid(@NotNull JetCallExpression expression, CFPContext context) {
             mark(expression);
-            if (!generateCall(expression.getCalleeExpression())) {
+
+            JetExpression calleeExpression = expression.getCalleeExpression();
+            if (!generateCall(calleeExpression)) {
+                List<JetExpression> inputExpressions = new ArrayList<JetExpression>();
                 for (ValueArgument argument : expression.getValueArguments()) {
                     JetExpression argumentExpression = argument.getArgumentExpression();
                     if (argumentExpression != null) {
                         generateInstructions(argumentExpression, NOT_IN_CONDITION);
+                        inputExpressions.add(argumentExpression);
                     }
                 }
-
                 for (JetExpression functionLiteral : expression.getFunctionLiteralArguments()) {
                     generateInstructions(functionLiteral, NOT_IN_CONDITION);
+                    inputExpressions.add(functionLiteral);
                 }
+                generateInstructions(calleeExpression, NOT_IN_CONDITION);
+                inputExpressions.add(calleeExpression);
+                inputExpressions.add(generateAndGetReceiverIfAny(expression));
 
-                generateInstructions(expression.getCalleeExpression(), NOT_IN_CONDITION);
+                createNonSyntheticValue(inputExpressions, calleeExpression != null ? calleeExpression : expression);
             }
+
+            copyValue(calleeExpression, expression);
+        }
+
+        @Nullable
+        private JetExpression generateAndGetReceiverIfAny(JetExpression expression) {
+            PsiElement parent = expression.getParent();
+            if (!(parent instanceof JetQualifiedExpression)) return null;
+
+            JetQualifiedExpression qualifiedExpression = (JetQualifiedExpression) parent;
+            if (qualifiedExpression.getSelectorExpression() != expression) return null;
+
+            JetExpression receiverExpression = qualifiedExpression.getReceiverExpression();
+            generateInstructions(receiverExpression, NOT_IN_CONDITION);
+
+            return receiverExpression;
         }
 
         @Override
@@ -813,8 +1006,7 @@ public class JetControlFlowProcessor {
             builder.declareVariable(property);
             JetExpression initializer = property.getInitializer();
             if (initializer != null) {
-                generateInstructions(initializer, NOT_IN_CONDITION);
+                visitAssignment(property, getDeferredValue(initializer, true), property);
-                visitAssignment(property, null, property);
             }
             JetExpression delegate = property.getDelegateExpression();
             if (delegate != null) {
@@ -833,16 +1025,17 @@ public class JetControlFlowProcessor {
         }
 
         private void visitMultiDeclaration(@NotNull JetMultiDeclaration declaration, boolean generateWriteForEntries) {
-            generateInstructions(declaration.getInitializer(), NOT_IN_CONDITION);
+            JetExpression initializer = declaration.getInitializer();
-
+            generateInstructions(initializer, NOT_IN_CONDITION);
+            List<PseudoValue> inputValues = elementsToValues(Collections.singletonList(initializer));
             for (JetMultiDeclarationEntry entry : declaration.getEntries()) {
                 builder.declareVariable(entry);
                 ResolvedCall<FunctionDescriptor> resolvedCall = trace.get(BindingContext.COMPONENT_RESOLVED_CALL, entry);
-                if (resolvedCall != null) {
+                PseudoValue writtenValue = resolvedCall != null
-                    builder.call(entry, resolvedCall);
+                                           ? builder.call(entry, resolvedCall, inputValues)
-                }
+                                           : builder.magic(entry, null, inputValues, true);
                 if (generateWriteForEntries) {
-                    builder.write(entry, entry);
+                    builder.write(entry, entry, writtenValue != null ? writtenValue : createSyntheticValue(entry), null);
                 }
             }
         }
@@ -855,23 +1048,32 @@ public class JetControlFlowProcessor {
         @Override
         public void visitBinaryWithTypeRHSExpressionVoid(@NotNull JetBinaryExpressionWithTypeRHS expression, CFPContext context) {
             mark(expression);
+
             IElementType operationType = expression.getOperationReference().getReferencedNameElementType();
+            JetExpression left = expression.getLeft();
             if (operationType == JetTokens.COLON || operationType == JetTokens.AS_KEYWORD || operationType == JetTokens.AS_SAFE) {
-                generateInstructions(expression.getLeft(), NOT_IN_CONDITION);
+                generateInstructions(left, NOT_IN_CONDITION);
+                copyValue(left, expression);
             }
             else {
                 visitJetElementVoid(expression, context);
+                createNonSyntheticValue(Collections.singletonList(left), expression);
             }
         }
 
         @Override
         public void visitThrowExpressionVoid(@NotNull JetThrowExpression expression, CFPContext context) {
             mark(expression);
+
             JetExpression thrownExpression = expression.getThrownExpression();
-            if (thrownExpression != null) {
+            if (thrownExpression == null) return;
-                generateInstructions(thrownExpression, NOT_IN_CONDITION);
+
-            }
+            generateInstructions(thrownExpression, NOT_IN_CONDITION);
-            builder.throwException(expression);
+
+            PseudoValue thrownValue = builder.getBoundValue(thrownExpression);
+            if (thrownValue == null) return;
+
+            builder.throwException(expression, thrownValue);
         }
 
         @Override
@@ -886,18 +1088,24 @@ public class JetControlFlowProcessor {
         @Override
         public void visitIsExpressionVoid(@NotNull JetIsExpression expression, CFPContext context) {
             mark(expression);
-            generateInstructions(expression.getLeftHandSide(), context);
+            JetExpression left = expression.getLeftHandSide();
+            generateInstructions(left, context);
+            createNonSyntheticValue(Collections.singletonList(left), expression);
         }
 
         @Override
         public void visitWhenExpressionVoid(@NotNull JetWhenExpression expression, CFPContext context) {
             mark(expression);
+
             JetExpression subjectExpression = expression.getSubjectExpression();
             if (subjectExpression != null) {
                 generateInstructions(subjectExpression, context);
             }
+
             boolean hasElse = false;
 
+            List<JetExpression> branches = new ArrayList<JetExpression>();
+
             Label doneLabel = builder.createUnboundLabel();
 
             Label nextLabel = null;
@@ -919,17 +1127,31 @@ public class JetControlFlowProcessor {
                     JetWhenCondition condition = conditions[i];
                     condition.accept(conditionVisitor, context);
                     if (i + 1 < conditions.length) {
-                        builder.nondeterministicJump(bodyLabel, expression);
+                        PseudoValue conditionValue = builder.magic(
+                                condition, null, elementsToValues(Arrays.asList(subjectExpression, condition)), true
+                        );
+                        builder.nondeterministicJump(bodyLabel, expression, conditionValue);
                     }
                 }
 
                 if (!isElse) {
                     nextLabel = builder.createUnboundLabel();
-                    builder.nondeterministicJump(nextLabel, expression);
+                    PseudoValue conditionValue = null;
+                    JetWhenCondition lastCondition = KotlinPackage.lastOrNull(conditions);
+                    if (lastCondition != null) {
+                        conditionValue = builder.magic(
+                                lastCondition, null, elementsToValues(Arrays.asList(subjectExpression, lastCondition)), true
+                        );
+                    }
+                    builder.nondeterministicJump(nextLabel, expression, conditionValue);
                 }
 
                 builder.bindLabel(bodyLabel);
-                generateInstructions(whenEntry.getExpression(), context);
+                JetExpression whenEntryExpression = whenEntry.getExpression();
+                if (whenEntryExpression != null) {
+                    generateInstructions(whenEntryExpression, context);
+                    branches.add(whenEntryExpression);
+                }
                 builder.jump(doneLabel, expression);
 
                 if (!isElse) {
@@ -940,6 +1162,8 @@ public class JetControlFlowProcessor {
             if (!hasElse && WhenChecker.mustHaveElse(expression, trace)) {
                 trace.report(NO_ELSE_IN_WHEN.on(expression));
             }
+
+            mergeValues(branches, expression);
         }
 
         @Override
@@ -959,13 +1183,16 @@ public class JetControlFlowProcessor {
         @Override
         public void visitStringTemplateExpressionVoid(@NotNull JetStringTemplateExpression expression, CFPContext context) {
             mark(expression);
+
+            List<JetExpression> inputExpressions = new ArrayList<JetExpression>();
             for (JetStringTemplateEntry entry : expression.getEntries()) {
                 if (entry instanceof JetStringTemplateEntryWithExpression) {
-                    JetStringTemplateEntryWithExpression entryWithExpression = (JetStringTemplateEntryWithExpression) entry;
+                    JetExpression entryExpression = entry.getExpression();
-                    generateInstructions(entryWithExpression.getExpression(), NOT_IN_CONDITION);
+                    generateInstructions(entryExpression, NOT_IN_CONDITION);
+                    inputExpressions.add(entryExpression);
                 }
             }
-            builder.loadStringTemplate(expression);
+            builder.loadStringTemplate(expression, elementsToValues(inputExpressions));
         }
 
         @Override
@@ -1059,33 +1286,42 @@ public class JetControlFlowProcessor {
                 return;
             }
 
+            List<PseudoValue> inputValues = new ArrayList<PseudoValue>();
+
             CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor();
 
-            generateReceiver(resolvedCall.getThisObject());
+            generateReceiver(resolvedCall.getThisObject(), inputValues);
-            generateReceiver(resolvedCall.getReceiverArgument());
+            generateReceiver(resolvedCall.getReceiverArgument(), inputValues);
 
             for (ValueParameterDescriptor parameterDescriptor : resultingDescriptor.getValueParameters()) {
                 ResolvedValueArgument argument = resolvedCall.getValueArguments().get(parameterDescriptor);
                 if (argument == null) continue;
 
-                generateValueArgument(argument);
+                generateValueArgument(argument, inputValues);
             }
 
             if (resultingDescriptor instanceof VariableDescriptor) {
-                builder.readVariable(calleeExpression, (VariableDescriptor) resultingDescriptor);
+                assert inputValues.size() <= 1 : "Wrong input values for variable-based call (must be at most 1): " + resolvedCall.getCall().getCallElement();
+                builder.readVariable(calleeExpression, (VariableDescriptor) resultingDescriptor, KotlinPackage.firstOrNull(inputValues));
             }
             else {
-                builder.call(calleeExpression, resolvedCall);
+                builder.call(calleeExpression, resolvedCall, inputValues);
             }
         }
 
-        private void generateReceiver(ReceiverValue receiver) {
+        private void generateReceiver(ReceiverValue receiver, List<PseudoValue> values) {
             if (!receiver.exists()) return;
             if (receiver instanceof ThisReceiver) {
                 // TODO: Receiver is passed implicitly: no expression to tie the read to
             }
             else if (receiver instanceof ExpressionReceiver) {
-                generateInstructions(((ExpressionReceiver) receiver).getExpression(), NOT_IN_CONDITION);
+                JetExpression expression = ((ExpressionReceiver) receiver).getExpression();
+                generateInstructions(expression, NOT_IN_CONDITION);
+
+                PseudoValue receiverValue = builder.getBoundValue(expression);
+                if (receiverValue != null) {
+                    values.add(receiverValue);
+                }
             }
             else if (receiver instanceof TransientReceiver) {
                 // Do nothing
@@ -1095,11 +1331,16 @@ public class JetControlFlowProcessor {
             }
         }
 
-        private void generateValueArgument(ResolvedValueArgument argument) {
+        private void generateValueArgument(ResolvedValueArgument argument, List<PseudoValue> values) {
             for (ValueArgument valueArgument : argument.getArguments()) {
                 JetExpression expression = valueArgument.getArgumentExpression();
                 if (expression != null) {
                     generateInstructions(expression, NOT_IN_CONDITION);
+
+                    PseudoValue argValue = builder.getBoundValue(expression);
+                    if (argValue != null) {
+                        values.add(argValue);
+                    }
                 }
             }
         }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/JetFlowInformationProvider.java

@@ -27,11 +27,11 @@ import kotlin.Function3;
 import kotlin.Unit;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.jet.lang.cfg.pseudocodeTraverser.Edges;
-import org.jetbrains.jet.lang.cfg.pseudocodeTraverser.PseudocodeTraverserPackage;
 import org.jetbrains.jet.lang.cfg.PseudocodeVariablesData.VariableInitState;
 import org.jetbrains.jet.lang.cfg.PseudocodeVariablesData.VariableUseState;
 import org.jetbrains.jet.lang.cfg.pseudocode.*;
+import org.jetbrains.jet.lang.cfg.pseudocodeTraverser.Edges;
+import org.jetbrains.jet.lang.cfg.pseudocodeTraverser.PseudocodeTraverserPackage;
 import org.jetbrains.jet.lang.cfg.pseudocodeTraverser.TraversalOrder;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.diagnostics.Diagnostic;
@@ -225,10 +225,12 @@ public class JetFlowInformationProvider {
                 }
 
                 @Override
-                public void visitExpression(@NotNull JetExpression expression) {
+                public void visitJetElement(@NotNull JetElement element) {
+                    if (!(element instanceof JetExpression || element instanceof JetWhenCondition)) return;
+
                     if (blockBody && !noExpectedType(expectedReturnType)
                             && !KotlinBuiltIns.getInstance().isUnit(expectedReturnType)
-                            && !rootUnreachableElements.contains(expression)) {
+                            && !rootUnreachableElements.contains(element)) {
                         noReturnError[0] = true;
                     }
                 }
@@ -242,7 +244,9 @@ public class JetFlowInformationProvider {
     private Set<JetElement> collectUnreachableCode() {
         Collection<JetElement> unreachableElements = Lists.newArrayList();
         for (Instruction deadInstruction : pseudocode.getDeadInstructions()) {
-            if (!(deadInstruction instanceof JetElementInstruction) || deadInstruction instanceof LoadUnitValueInstruction) continue;
+            if (!(deadInstruction instanceof JetElementInstruction)
+                    || deadInstruction instanceof LoadUnitValueInstruction
+                    || (deadInstruction instanceof MagicInstruction && ((MagicInstruction) deadInstruction).getSynthetic())) continue;
 
             JetElement element = ((JetElementInstruction) deadInstruction).getElement();
 
@@ -643,16 +647,18 @@ public class JetFlowInformationProvider {
                 pseudocode, FORWARD, new FunctionVoid1<Instruction>() {
                     @Override
                     public void execute(@NotNull Instruction instruction) {
-                        if (!(instruction instanceof ReadValueInstruction)) return;
+                        if (!(instruction instanceof ReadValueInstruction || instruction instanceof MagicInstruction)) return;
-                        VariableContext ctxt = new VariableContext(instruction, reportedDiagnosticMap);
+
-                        JetElement element =
+                        JetElement element = ((JetElementInstruction) instruction).getElement();
-                                ((ReadValueInstruction) instruction).getElement();
                         if (!(element instanceof JetFunctionLiteralExpression
                               || element instanceof JetConstantExpression
                               || element instanceof JetStringTemplateExpression
-                              || element instanceof JetSimpleNameExpression)) {
+                              || element instanceof JetSimpleNameExpression)) return;
-                            return;
+
-                        }
+                        if (!(element instanceof JetStringTemplateExpression || instruction instanceof ReadValueInstruction)) return;
+
+                        VariableContext ctxt = new VariableContext(instruction, reportedDiagnosticMap);
+
                         PsiElement parent = element.getParent();
                         if (parent instanceof JetBlockExpression) {
                             if (!JetPsiUtil.isImplicitlyUsed(element)) {

compiler/frontend/src/org/jetbrains/jet/lang/cfg/TailRecursionDetector.java

@@ -64,4 +64,9 @@ public class TailRecursionDetector extends InstructionVisitorWithResult<Boolean>
     public Boolean visitMarkInstruction(MarkInstruction instruction) {
         return true;
     }
+
+    @Override
+    public Boolean visitMagic(MagicInstruction instruction) {
+        return instruction.getSynthetic();
+    }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/ConditionalJumpInstruction.java

@@ -16,21 +16,36 @@
 
 package org.jetbrains.jet.lang.cfg.pseudocode;
 
+import com.intellij.util.containers.ContainerUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.cfg.Label;
 import org.jetbrains.jet.lang.psi.JetElement;
 
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.List;
 
 public class ConditionalJumpInstruction extends AbstractJumpInstruction {
     private final boolean onTrue;
     private Instruction nextOnTrue;
     private Instruction nextOnFalse;
+    private final PseudoValue conditionValue;
 
-    public ConditionalJumpInstruction(@NotNull JetElement element, boolean onTrue, LexicalScope lexicalScope, Label targetLabel) {
+    public ConditionalJumpInstruction(
+            @NotNull JetElement element,
+            boolean onTrue,
+            LexicalScope lexicalScope,
+            Label targetLabel,
+            PseudoValue conditionValue) {
         super(element, targetLabel, lexicalScope);
         this.onTrue = onTrue;
+        this.conditionValue = conditionValue;
+    }
+
+    @NotNull
+    @Override
+    public List<PseudoValue> getInputValues() {
+        return ContainerUtil.createMaybeSingletonList(conditionValue);
     }
 
     public boolean onTrue() {
@@ -72,11 +87,12 @@ public class ConditionalJumpInstruction extends AbstractJumpInstruction {
     @Override
     public String toString() {
         String instr = onTrue ? "jt" : "jf";
-        return instr + "(" + getTargetLabel().getName() + ")";
+        String inValue = conditionValue != null ? "|" + conditionValue : "";
+        return instr + "(" + getTargetLabel().getName() + inValue + ")";
     }
 
     @Override
     protected AbstractJumpInstruction createCopy(@NotNull Label newLabel, @NotNull LexicalScope lexicalScope) {
-        return new ConditionalJumpInstruction(element, onTrue, lexicalScope, newLabel);
+        return new ConditionalJumpInstruction(element, onTrue, lexicalScope, newLabel, conditionValue);
     }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/Instruction.java

@@ -16,9 +16,13 @@
 
 package org.jetbrains.jet.lang.cfg.pseudocode;
 
+import kotlin.jvm.KotlinSignature;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.ReadOnly;
 
 import java.util.Collection;
+import java.util.List;
 
 public interface Instruction {
     @NotNull
@@ -40,4 +44,11 @@ public interface Instruction {
 
     @NotNull
     LexicalScope getLexicalScope();
+
+    @ReadOnly
+    @NotNull
+    List<PseudoValue> getInputValues();
+
+    @Nullable
+    PseudoValue getOutputValue();
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/InstructionImpl.java

@@ -17,11 +17,14 @@
 package org.jetbrains.jet.lang.cfg.pseudocode;
 
 import com.google.common.collect.Sets;
+import kotlin.jvm.KotlinSignature;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.LinkedHashSet;
+import java.util.List;
 
 public abstract class InstructionImpl implements Instruction {
     private Pseudocode owner;
@@ -110,4 +113,16 @@ public abstract class InstructionImpl implements Instruction {
         ((InstructionImpl)instruction).setOriginal(this);
         return instruction;
     }
+
+    @NotNull
+    @Override
+    public List<PseudoValue> getInputValues() {
+        return Collections.emptyList();
+    }
+
+    @Nullable
+    @Override
+    public PseudoValue getOutputValue() {
+        return null;
+    }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/InstructionVisitor.java

@@ -17,10 +17,14 @@
 package org.jetbrains.jet.lang.cfg.pseudocode;
 
 public class InstructionVisitor {
-    public void visitReadValue(ReadValueInstruction instruction) {
+    public void visitInstructionWithReceiver(InstructionWithReceiver instruction) {
         visitInstructionWithNext(instruction);
     }
 
+    public void visitReadValue(ReadValueInstruction instruction) {
+        visitInstructionWithReceiver(instruction);
+    }
+
     public void visitLocalFunctionDeclarationInstruction(LocalFunctionDeclarationInstruction instruction) {
         visitInstructionWithNext(instruction);
     }
@@ -81,17 +85,21 @@ public class InstructionVisitor {
     }
 
     public void visitWriteValue(WriteValueInstruction instruction) {
-        visitInstructionWithNext(instruction);
+        visitInstructionWithReceiver(instruction);
     }
 
     public void visitLoadUnitValue(LoadUnitValueInstruction instruction) {
         visitInstructionWithNext(instruction);
     }
 
-    public void visitCallInstruction(CallInstruction instruction) {
+    public void visitOperation(OperationInstruction instruction) {
         visitInstructionWithNext(instruction);
     }
 
+    public void visitCallInstruction(CallInstruction instruction) {
+        visitOperation(instruction);
+    }
+
     public void visitCompilationErrorInstruction(CompilationErrorInstruction instruction) {
         visitInstructionWithNext(instruction);
     }
@@ -100,4 +108,7 @@ public class InstructionVisitor {
         visitInstructionWithNext(instruction);
     }
 
+    public void visitMagic(MagicInstruction instruction) {
+        visitOperation(instruction);
+    }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/InstructionVisitorWithResult.java

@@ -19,10 +19,14 @@ package org.jetbrains.jet.lang.cfg.pseudocode;
 public abstract class InstructionVisitorWithResult<R> {
     public abstract R visitInstruction(Instruction instruction);
 
-    public R visitReadValue(ReadValueInstruction instruction) {
+    public R visitInstructionWithReceiver(InstructionWithReceiver instruction) {
         return visitInstructionWithNext(instruction);
     }
 
+    public R visitReadValue(ReadValueInstruction instruction) {
+        return visitInstructionWithReceiver(instruction);
+    }
+
     public R visitLocalFunctionDeclarationInstruction(LocalFunctionDeclarationInstruction instruction) {
         return visitInstructionWithNext(instruction);
     }
@@ -80,17 +84,21 @@ public abstract class InstructionVisitorWithResult<R> {
     }
 
     public R visitWriteValue(WriteValueInstruction instruction) {
-        return visitInstructionWithNext(instruction);
+        return visitInstructionWithReceiver(instruction);
     }
 
     public R visitLoadUnitValue(LoadUnitValueInstruction instruction) {
         return visitInstructionWithNext(instruction);
     }
 
-    public R visitCallInstruction(CallInstruction instruction) {
+    public R visitOperation(OperationInstruction instruction) {
         return visitInstructionWithNext(instruction);
     }
 
+    public R visitCallInstruction(CallInstruction instruction) {
+        return visitOperation(instruction);
+    }
+
     public R visitCompilationErrorInstruction(CompilationErrorInstruction instruction) {
         return visitInstructionWithNext(instruction);
     }
@@ -99,4 +107,7 @@ public abstract class InstructionVisitorWithResult<R> {
         return visitInstructionWithNext(instruction);
     }
 
+    public R visitMagic(MagicInstruction instruction) {
+        return visitOperation(instruction);
+    }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/InstructionWithReceiver.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.lang.cfg.pseudocode;/**/
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.lang.psi.JetElement;
+
+import java.util.Collections;
+import java.util.List;
+
+public abstract class InstructionWithReceiver extends InstructionWithNext {
+    protected final PseudoValue receiverValue;
+
+    public InstructionWithReceiver(
+            @NotNull JetElement element,
+            @NotNull LexicalScope lexicalScope,
+            @Nullable PseudoValue receiverValue) {
+        super(element, lexicalScope);
+        this.receiverValue = receiverValue;
+    }
+
+    @NotNull
+    @Override
+    public List<PseudoValue> getInputValues() {
+        return receiverValue != null ? Collections.singletonList(receiverValue) : Collections.<PseudoValue>emptyList();
+    }
+}

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/JetControlFlowInstructionsGenerator.java

@@ -25,6 +25,8 @@ import org.jetbrains.jet.lang.descriptors.VariableDescriptor;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall;
 import org.jetbrains.jet.lang.resolve.constants.CompileTimeConstant;
+import org.jetbrains.jet.lang.types.JetType;
+import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -32,7 +34,6 @@ import java.util.List;
 import java.util.Map;
 
 public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAdapter {
-
     private JetControlFlowBuilder builder = null;
 
     private final Stack<BreakableBlockInfo> loopInfo = new Stack<BreakableBlockInfo>();
@@ -101,6 +102,18 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
         private final Label sink;
         private final JetElement returnSubroutine;
 
+        private final PseudoValueFactory valueFactory = new PseudoValueFactoryImpl() {
+            @NotNull
+            @Override
+            public PseudoValue newValue(@Nullable JetElement element, @NotNull Instruction instruction) {
+                PseudoValue value = super.newValue(element, instruction);
+                if (element != null) {
+                    bindValue(value, element);
+                }
+                return value;
+            }
+        };
+
         private JetControlFlowInstructionsGeneratorWorker(@NotNull JetElement scopingElement, @NotNull JetElement returnSubroutine) {
             this.pseudocode = new PseudocodeImpl(scopingElement);
             this.error = pseudocode.createLabel("error");
@@ -258,23 +271,40 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
             add(new MarkInstruction(element, getCurrentScope()));
         }
 
+        @Nullable
         @Override
-        public void returnValue(@NotNull JetExpression returnExpression, @NotNull JetElement subroutine) {
+        public PseudoValue getBoundValue(@Nullable JetElement element) {
-            Label exitPoint = getExitPoint(subroutine);
+            return pseudocode.getElementValue(element);
-            handleJumpInsideTryFinally(exitPoint);
-            add(new ReturnValueInstruction(returnExpression, getCurrentScope(), exitPoint));
         }
 
         @Override
-        public void returnNoValue(@NotNull JetElement returnExpression, @NotNull JetElement subroutine) {
+        public void bindValue(@NotNull PseudoValue value, @NotNull JetElement element) {
+            pseudocode.bindElementToValue(element, value);
+        }
+
+        @Override
+        public void returnValue(
+                @NotNull JetReturnExpression returnExpression, @NotNull PseudoValue returnValue, @NotNull JetElement subroutine
+        ) {
+            Label exitPoint = getExitPoint(subroutine);
+            handleJumpInsideTryFinally(exitPoint);
+            add(new ReturnValueInstruction(returnExpression, getCurrentScope(), exitPoint, returnValue));
+        }
+
+        @Override
+        public void returnNoValue(@NotNull JetReturnExpression returnExpression, @NotNull JetElement subroutine) {
             Label exitPoint = getExitPoint(subroutine);
             handleJumpInsideTryFinally(exitPoint);
             add(new ReturnNoValueInstruction(returnExpression, getCurrentScope(), exitPoint));
         }
 
         @Override
-        public void write(@NotNull JetElement assignment, @NotNull JetElement lValue) {
+        public void write(
-            add(new WriteValueInstruction(assignment, lValue, getCurrentScope()));
+                @NotNull JetElement assignment,
+                @NotNull JetElement lValue,
+                @NotNull PseudoValue rValue,
+                @Nullable PseudoValue receiverValue) {
+            add(new WriteValueInstruction(assignment, lValue, rValue, receiverValue, getCurrentScope()));
         }
 
         @Override
@@ -304,15 +334,15 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
         }
 
         @Override
-        public void jumpOnFalse(@NotNull Label label, @NotNull JetElement element) {
+        public void jumpOnFalse(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue conditionValue) {
             handleJumpInsideTryFinally(label);
-            add(new ConditionalJumpInstruction(element, false, getCurrentScope(), label));
+            add(new ConditionalJumpInstruction(element, false, getCurrentScope(), label, conditionValue));
         }
 
         @Override
-        public void jumpOnTrue(@NotNull Label label, @NotNull JetElement element) {
+        public void jumpOnTrue(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue conditionValue) {
             handleJumpInsideTryFinally(label);
-            add(new ConditionalJumpInstruction(element, true, getCurrentScope(), label));
+            add(new ConditionalJumpInstruction(element, true, getCurrentScope(), label, conditionValue));
         }
 
         @Override
@@ -321,16 +351,16 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
         }
 
         @Override
-        public void nondeterministicJump(@NotNull Label label, @NotNull JetElement element) {
+        public void nondeterministicJump(@NotNull Label label, @NotNull JetElement element, @Nullable PseudoValue inputValue) {
             handleJumpInsideTryFinally(label);
-            add(new NondeterministicJumpInstruction(element, label, getCurrentScope()));
+            add(new NondeterministicJumpInstruction(element, label, getCurrentScope(), inputValue));
         }
 
         @Override
         public void nondeterministicJump(@NotNull List<Label> labels, @NotNull JetElement element) {
             //todo
             //handleJumpInsideTryFinally(label);
-            add(new NondeterministicJumpInstruction(element, labels, getCurrentScope()));
+            add(new NondeterministicJumpInstruction(element, labels, getCurrentScope(), null));
         }
 
         @Override
@@ -345,9 +375,9 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
         }
 
         @Override
-        public void throwException(@NotNull JetThrowExpression expression) {
+        public void throwException(@NotNull JetThrowExpression expression, @NotNull PseudoValue thrownValue) {
             handleJumpInsideTryFinally(error);
-            add(new ThrowExceptionInstruction(expression, getCurrentScope(), error));
+            add(new ThrowExceptionInstruction(expression, getCurrentScope(), error, thrownValue));
         }
 
         @Override
@@ -366,44 +396,87 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
             pseudocode.repeatPart(startLabel, finishLabel);
         }
 
+        @NotNull
         @Override
-        public void loadConstant(@NotNull JetExpression expression, @Nullable CompileTimeConstant<?> constant) {
+        public PseudoValue loadConstant(@NotNull JetExpression expression, @Nullable CompileTimeConstant<?> constant) {
-            read(expression);
+            return read(expression, null);
         }
 
+        @NotNull
         @Override
-        public void createAnonymousObject(@NotNull JetObjectLiteralExpression expression) {
+        public PseudoValue createAnonymousObject(@NotNull JetObjectLiteralExpression expression) {
-            read(expression);
+            return read(expression, null);
         }
 
+        @NotNull
         @Override
-        public void createFunctionLiteral(@NotNull JetFunctionLiteralExpression expression) {
+        public PseudoValue createFunctionLiteral(@NotNull JetFunctionLiteralExpression expression) {
-            read(expression);
+            return read(expression, null);
         }
 
+        @NotNull
         @Override
-        public void loadStringTemplate(@NotNull JetStringTemplateExpression expression) {
+        public PseudoValue loadStringTemplate(@NotNull JetStringTemplateExpression expression, @NotNull List<PseudoValue> inputValues) {
-            read(expression);
+            return inputValues.isEmpty() ? read(expression, null) : magic(expression, expression, inputValues, false);
         }
 
+        @NotNull
         @Override
-        public void readThis(@NotNull JetExpression expression, @Nullable ReceiverParameterDescriptor parameterDescriptor) {
+        public PseudoValue magic(
-            read(expression);
+                @NotNull JetElement instructionElement,
+                @Nullable JetElement valueElement,
+                @NotNull List<PseudoValue> inputValues,
+                boolean synthetic
+        ) {
+            MagicInstruction instruction =
+                    MagicInstruction.object$.create(instructionElement, valueElement, getCurrentScope(), synthetic, inputValues, valueFactory);
+            add(instruction);
+            return instruction.getOutputValue();
         }
 
+        @NotNull
         @Override
-        public void readVariable(@NotNull JetExpression expression, @Nullable VariableDescriptor variableDescriptor) {
+        public PseudoValue readThis(@NotNull JetExpression expression, @Nullable ReceiverParameterDescriptor parameterDescriptor) {
-            read(expression);
+            return read(expression, null);
         }
 
+        @NotNull
         @Override
-        public void call(@NotNull JetExpression expression, @NotNull ResolvedCall<?> resolvedCall) {
+        public PseudoValue readVariable(
-            add(new CallInstruction(expression, getCurrentScope(), resolvedCall));
+                @NotNull JetExpression expression,
+                @Nullable VariableDescriptor variableDescriptor,
+                @Nullable PseudoValue receiverValue
+        ) {
+            return read(expression, receiverValue);
         }
 
+        @Nullable
         @Override
-        public void predefinedOperation(@NotNull JetExpression expression, @Nullable PredefinedOperation operation) {
+        public PseudoValue call(
-            read(expression);
+                @NotNull JetExpression expression,
+                @NotNull ResolvedCall<?> resolvedCall,
+                @NotNull List<PseudoValue> inputValues
+        ) {
+            JetType returnType = resolvedCall.getResultingDescriptor().getReturnType();
+            OperationInstruction instruction = CallInstruction.object$.create(
+                    expression,
+                    getCurrentScope(),
+                    resolvedCall,
+                    inputValues,
+                    returnType != null && KotlinBuiltIns.getInstance().isNothing(returnType) ? null : valueFactory
+            );
+            add(instruction);
+            return instruction.getOutputValue();
+        }
+
+        @NotNull
+        @Override
+        public PseudoValue predefinedOperation(
+                @NotNull JetExpression expression,
+                @NotNull PredefinedOperation operation,
+                @NotNull List<PseudoValue> inputValues
+        ) {
+            return magic(expression, expression, inputValues, false);
         }
 
         @Override
@@ -411,8 +484,11 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
             add(new CompilationErrorInstruction(element, getCurrentScope(), message));
         }
 
-        private void read(@NotNull JetElement element) {
+        @NotNull
-            add(new ReadValueInstruction(element, getCurrentScope()));
+        private PseudoValue read(@NotNull JetExpression expression, @Nullable PseudoValue receiverValue) {
+            ReadValueInstruction instruction = new ReadValueInstruction(expression, getCurrentScope(), receiverValue, valueFactory);
+            add(instruction);
+            return instruction.getOutputValue();
         }
     }
 

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/JetElementInstructionImpl.java

@@ -35,6 +35,7 @@ public abstract class JetElementInstructionImpl extends InstructionImpl implemen
         return element;
     }
 
+    @NotNull
     protected String render(PsiElement element) {
         return element.getText().replaceAll("\\s+", " ");
     }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/NondeterministicJumpInstruction.java

@@ -19,6 +19,7 @@ package org.jetbrains.jet.lang.cfg.pseudocode;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.cfg.Label;
 import org.jetbrains.jet.lang.psi.JetElement;
 
@@ -28,15 +29,33 @@ public class NondeterministicJumpInstruction extends JetElementInstructionImpl i
     private Instruction next;
     private final List<Label> targetLabels;
     private final Map<Label, Instruction> resolvedTargets;
+    private final PseudoValue inputValue;
 
-    public NondeterministicJumpInstruction(@NotNull JetElement element, List<Label> targetLabels, LexicalScope lexicalScope) {
+    public NondeterministicJumpInstruction(
+            @NotNull JetElement element,
+            List<Label> targetLabels,
+            LexicalScope lexicalScope,
+            @Nullable PseudoValue inputValue
+    ) {
         super(element, lexicalScope);
         this.targetLabels = Lists.newArrayList(targetLabels);
         resolvedTargets = Maps.newLinkedHashMap();
+        this.inputValue = inputValue;
     }
 
-    public NondeterministicJumpInstruction(@NotNull JetElement element, Label targetLabel, LexicalScope lexicalScope) {
+    public NondeterministicJumpInstruction(
-        this(element, Lists.newArrayList(targetLabel), lexicalScope);
+            @NotNull JetElement element,
+            Label targetLabel,
+            LexicalScope lexicalScope,
+            @Nullable PseudoValue inputValue
+    ) {
+        this(element, Lists.newArrayList(targetLabel), lexicalScope, inputValue);
+    }
+
+    @NotNull
+    @Override
+    public List<PseudoValue> getInputValues() {
+        return Collections.singletonList(inputValue);
     }
 
     public List<Label> getTargetLabels() {
@@ -88,6 +107,9 @@ public class NondeterministicJumpInstruction extends JetElementInstructionImpl i
                 sb.append(", ");
             }
         }
+        if (inputValue != null) {
+            sb.append("|").append(inputValue);
+        }
         sb.append(")");
         return sb.toString();
     }
@@ -104,6 +126,6 @@ public class NondeterministicJumpInstruction extends JetElementInstructionImpl i
     }
 
     private Instruction createCopy(@NotNull List<Label> newTargetLabels) {
-        return new NondeterministicJumpInstruction(getElement(), newTargetLabels, lexicalScope);
+        return new NondeterministicJumpInstruction(getElement(), newTargetLabels, lexicalScope, inputValue);
     }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/PseudoValue.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.lang.cfg.pseudocode
+
+import java.util.Collections
+import org.jetbrains.jet.lang.psi.JetExpression
+import kotlin.properties.Delegates
+import org.jetbrains.jet.lang.psi.JetElement
+
+public trait PseudoValue {
+    public val debugName: String
+    public val element: JetElement?
+    public val createdAt: Instruction
+}
+
+public trait PseudoValueFactory {
+    public fun newValue(element: JetElement?, instruction: Instruction): PseudoValue
+}

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/PseudoValueImpl.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.lang.cfg.pseudocode
+
+import org.jetbrains.jet.lang.psi.JetElement
+
+class PseudoValueImpl(
+        public override val debugName: String,
+        public override val element: JetElement?,
+        public override val createdAt: Instruction
+) : PseudoValue {
+    override fun toString(): String = debugName
+}
+
+open class PseudoValueFactoryImpl: PseudoValueFactory {
+    private var lastIndex: Int = 0
+
+    override fun newValue(element: JetElement?, instruction: Instruction): PseudoValue {
+        return PseudoValueImpl("<v${lastIndex++}>", element, instruction)
+    }
+}

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/Pseudocode.java

@@ -19,6 +19,7 @@ package org.jetbrains.jet.lang.cfg.pseudocode;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.psi.JetElement;
+import org.jetbrains.jet.lang.psi.JetExpression;
 
 import java.util.List;
 import java.util.Set;
@@ -50,4 +51,7 @@ public interface Pseudocode {
 
     @NotNull
     SubroutineEnterInstruction getEnterInstruction();
+
+    @Nullable
+    PseudoValue getElementValue(@Nullable JetElement element);
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/PseudocodeImpl.java

@@ -78,6 +78,8 @@ public class PseudocodeImpl implements Pseudocode {
     private final List<Instruction> mutableInstructionList = new ArrayList<Instruction>();
     private final List<Instruction> instructions = new ArrayList<Instruction>();
 
+    private final Map<JetElement, PseudoValue> elementsToValues = new HashMap<JetElement, PseudoValue>();
+
     private Pseudocode parent = null;
     private Set<LocalFunctionDeclarationInstruction> localDeclarations = null;
     //todo getters
@@ -254,6 +256,16 @@ public class PseudocodeImpl implements Pseudocode {
         return (SubroutineEnterInstruction) mutableInstructionList.get(0);
     }
 
+    @Nullable
+    @Override
+    public PseudoValue getElementValue(@Nullable JetElement element) {
+        return elementsToValues.get(element);
+    }
+
+    /*package*/ void bindElementToValue(@NotNull JetElement element, @NotNull PseudoValue value) {
+        elementsToValues.put(element, value);
+    }
+
     /*package*/ void bindLabel(Label label) {
         ((PseudocodeLabel) label).setTargetInstructionIndex(mutableInstructionList.size());
     }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/ReadValueInstruction.java

@@ -17,12 +17,34 @@
 package org.jetbrains.jet.lang.cfg.pseudocode;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.psi.JetElement;
 
-public class ReadValueInstruction extends InstructionWithNext {
+public class ReadValueInstruction extends InstructionWithReceiver {
+    private final PseudoValue resultValue;
 
-    public ReadValueInstruction(@NotNull JetElement element, @NotNull LexicalScope lexicalScope) {
+    private ReadValueInstruction(
-        super(element, lexicalScope);
+            @NotNull JetElement element,
+            @NotNull LexicalScope lexicalScope,
+            @Nullable PseudoValue receiverValue,
+            @NotNull PseudoValue resultValue) {
+        super(element, lexicalScope, receiverValue);
+        this.resultValue = resultValue;
+    }
+
+    public ReadValueInstruction(
+            @NotNull JetElement element,
+            @NotNull LexicalScope lexicalScope,
+            @Nullable PseudoValue receiverValue,
+            @NotNull PseudoValueFactory valueFactory) {
+        super(element, lexicalScope, receiverValue);
+        this.resultValue = valueFactory.newValue(element, this);
+    }
+
+    @NotNull
+    @Override
+    public PseudoValue getOutputValue() {
+        return resultValue;
     }
 
     @Override
@@ -37,12 +59,12 @@ public class ReadValueInstruction extends InstructionWithNext {
 
     @Override
     public String toString() {
-        return "r(" + render(element) + ")";
+        return "r(" + render(element) + (receiverValue != null ? ("|" + receiverValue) : "") + ") -> " + resultValue;
     }
 
     @NotNull
     @Override
     protected Instruction createCopy() {
-        return new ReadValueInstruction(element, lexicalScope);
+        return new ReadValueInstruction(element, lexicalScope, receiverValue, resultValue);
     }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/ReturnValueInstruction.java

@@ -20,12 +20,25 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.cfg.Label;
 import org.jetbrains.jet.lang.psi.JetExpression;
 
+import java.util.Collections;
+import java.util.List;
+
 public class ReturnValueInstruction extends AbstractJumpInstruction {
+    private final PseudoValue usedValue;
+
     public ReturnValueInstruction(
             @NotNull JetExpression returnExpression,
             @NotNull LexicalScope lexicalScope,
-            @NotNull Label targetLabel) {
+            @NotNull Label targetLabel,
+            @NotNull PseudoValue usedValue) {
         super(returnExpression, targetLabel, lexicalScope);
+        this.usedValue = usedValue;
+    }
+
+    @NotNull
+    @Override
+    public List<PseudoValue> getInputValues() {
+        return Collections.singletonList(usedValue);
     }
 
     @Override
@@ -40,11 +53,11 @@ public class ReturnValueInstruction extends AbstractJumpInstruction {
 
     @Override
     public String toString() {
-        return "ret(*) " + getTargetLabel();
+        return "ret(*|" + usedValue + ") " + getTargetLabel();
     }
 
     @Override
     protected AbstractJumpInstruction createCopy(@NotNull Label newLabel, @NotNull LexicalScope lexicalScope) {
-        return new ReturnValueInstruction((JetExpression) element, lexicalScope, newLabel);
+        return new ReturnValueInstruction((JetExpression) element, lexicalScope, newLabel, usedValue);
     }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/ThrowExceptionInstruction.java

@@ -20,18 +20,31 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.cfg.Label;
 import org.jetbrains.jet.lang.psi.JetThrowExpression;
 
+import java.util.Collections;
+import java.util.List;
+
 public class ThrowExceptionInstruction extends AbstractJumpInstruction {
+    private final PseudoValue usedValue;
+
     public ThrowExceptionInstruction(
             @NotNull JetThrowExpression expression,
             @NotNull LexicalScope lexicalScope,
-            @NotNull Label errorLabel
+            @NotNull Label errorLabel,
+            @NotNull PseudoValue usedValue
     ) {
         super(expression, errorLabel, lexicalScope);
+        this.usedValue = usedValue;
     }
 
     @Override
     public String toString() {
-        return "throw (" + element.getText() + ")";
+        return "throw (" + element.getText() + "|" + usedValue + ")";
+    }
+
+    @NotNull
+    @Override
+    public List<PseudoValue> getInputValues() {
+        return Collections.singletonList(usedValue);
     }
 
     @Override
@@ -46,6 +59,6 @@ public class ThrowExceptionInstruction extends AbstractJumpInstruction {
 
     @Override
     protected AbstractJumpInstruction createCopy(@NotNull Label newLabel, @NotNull LexicalScope lexicalScope) {
-        return new ThrowExceptionInstruction((JetThrowExpression) element, lexicalScope, newLabel);
+        return new ThrowExceptionInstruction((JetThrowExpression) element, lexicalScope, newLabel, usedValue);
     }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/WriteValueInstruction.java

@@ -17,16 +17,30 @@
 package org.jetbrains.jet.lang.cfg.pseudocode;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.psi.JetElement;
 import org.jetbrains.jet.lang.psi.JetNamedDeclaration;
 
-public class WriteValueInstruction extends InstructionWithNext {
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+public class WriteValueInstruction extends InstructionWithReceiver {
     @NotNull
     private final JetElement lValue;
 
-    public WriteValueInstruction(@NotNull JetElement assignment, @NotNull JetElement lValue, @NotNull LexicalScope lexicalScope) {
+    @NotNull
-        super(assignment, lexicalScope);
+    private final PseudoValue rValue;
+
+    public WriteValueInstruction(
+            @NotNull JetElement assignment,
+            @NotNull JetElement lValue,
+            @NotNull PseudoValue rValue,
+            @Nullable PseudoValue receiverValue,
+            @NotNull LexicalScope lexicalScope) {
+        super(assignment, lexicalScope, receiverValue);
         this.lValue = lValue;
+        this.rValue = rValue;
     }
 
     @NotNull
@@ -34,6 +48,12 @@ public class WriteValueInstruction extends InstructionWithNext {
         return lValue;
     }
 
+    @NotNull
+    @Override
+    public List<PseudoValue> getInputValues() {
+        return receiverValue != null ? Arrays.asList(rValue, receiverValue) : Collections.singletonList(rValue);
+    }
+
     @Override
     public void accept(@NotNull InstructionVisitor visitor) {
         visitor.visitWriteValue(this);
@@ -46,16 +66,13 @@ public class WriteValueInstruction extends InstructionWithNext {
 
     @Override
     public String toString() {
-        if (lValue instanceof JetNamedDeclaration) {
+        String lhs = lValue instanceof JetNamedDeclaration ? lValue.getName() : render(lValue);
-            JetNamedDeclaration value = (JetNamedDeclaration) lValue;
+        return "w(" + lhs + "|" + (receiverValue != null ? (receiverValue + ", ") : "") + rValue.toString() + ")";
-            return "w(" + value.getName() + ")";
-        }
-        return "w(" + render(lValue) + ")";
     }
 
     @NotNull
     @Override
     protected Instruction createCopy() {
-        return new WriteValueInstruction(element, lValue, lexicalScope);
+        return new WriteValueInstruction(element, lValue, rValue, receiverValue, lexicalScope);
     }
 }

compiler/frontend/src/org/jetbrains/jet/lang/cfg/pseudocode/instructions.kt

@@ -16,16 +16,41 @@
 
 package org.jetbrains.jet.lang.cfg.pseudocode
 
-import org.jetbrains.jet.lang.descriptors.VariableDescriptor
 import org.jetbrains.jet.lang.psi.JetElement
 import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall
+import kotlin.properties.Delegates
 
-class CallInstruction(
+abstract class OperationInstruction protected(
         element: JetElement,
         lexicalScope: LexicalScope,
-        val resolvedCall: ResolvedCall<*>
+        val usedValues: List<PseudoValue>
 ) : InstructionWithNext(element, lexicalScope) {
+    protected var resultValue: PseudoValue? = null
 
+    override fun getInputValues(): List<PseudoValue> = usedValues
+    override fun getOutputValue(): PseudoValue? = resultValue
+
+    protected fun renderInstruction(name: String, desc: String): String =
+            "$name($desc" +
+            (if (usedValues.notEmpty) "|${usedValues.makeString(", ")})" else ")") +
+            (if (resultValue != null) " -> $resultValue" else "")
+
+    protected fun setResult(value: PseudoValue?): OperationInstruction {
+        this.resultValue = value
+        return this
+    }
+
+    protected fun setResult(factory: PseudoValueFactory?, valueElement: JetElement? = element): OperationInstruction {
+        return setResult(factory?.newValue(valueElement, this))
+    }
+}
+
+class CallInstruction private(
+        element: JetElement,
+        lexicalScope: LexicalScope,
+        val resolvedCall: ResolvedCall<*>,
+        usedValues: List<PseudoValue>
+) : OperationInstruction(element, lexicalScope, usedValues) {
     override fun accept(visitor: InstructionVisitor) {
         visitor.visitCallInstruction(this)
     }
@@ -34,9 +59,61 @@ class CallInstruction(
         return visitor.visitCallInstruction(this)
     }
 
-    override fun createCopy() = CallInstruction(element, lexicalScope, resolvedCall)
+    override fun createCopy() =
+            CallInstruction(element, lexicalScope, resolvedCall, usedValues).setResult(resultValue)
 
-    override fun toString() = "call(${render(element)}, ${resolvedCall.getResultingDescriptor()!!.getName()})"
+    override fun toString() =
+            renderInstruction("call", "${render(element)}, ${resolvedCall.getResultingDescriptor()!!.getName()}")
+
+    class object {
+        fun create (
+                element: JetElement,
+                lexicalScope: LexicalScope,
+                resolvedCall: ResolvedCall<*>,
+                usedValues: List<PseudoValue>,
+                factory: PseudoValueFactory?
+        ): CallInstruction = CallInstruction(element, lexicalScope, resolvedCall, usedValues).setResult(factory) as CallInstruction
+    }
+}
+
+// Introduces black-box operation
+// Used to:
+//      consume input values (so that they aren't considered unused)
+//      denote value transformation which can't be expressed by other instructions (such as call or read)
+//      pass more than one value to instruction which formally requires only one (e.g. jump)
+// "Synthetic" means that the instruction does not correspond to some operation explicitly expressed by PSI element
+//      Examples: merging branches of 'if', 'when' and 'try' expressions, providing initial values for parameters, etc.
+class MagicInstruction(
+        element: JetElement,
+        lexicalScope: LexicalScope,
+        val synthetic: Boolean,
+        usedValues: List<PseudoValue>
+) : OperationInstruction(element, lexicalScope, usedValues) {
+    override fun getOutputValue(): PseudoValue = resultValue!!
+
+    override fun accept(visitor: InstructionVisitor) {
+        visitor.visitMagic(this)
+    }
+
+    override fun <R> accept(visitor: InstructionVisitorWithResult<R>): R? {
+        return visitor.visitMagic(this)
+    }
+
+    override fun createCopy() =
+            MagicInstruction(element, lexicalScope, synthetic, usedValues).setResult(resultValue)
+
+    override fun toString() = renderInstruction("magic", render(element))
+
+    class object {
+        fun create(
+                element: JetElement,
+                valueElement: JetElement?,
+                lexicalScope: LexicalScope,
+                synthetic: Boolean,
+                usedValues: List<PseudoValue>,
+                factory: PseudoValueFactory
+        ): MagicInstruction = MagicInstruction(element, lexicalScope, synthetic, usedValues).setResult(factory, valueElement) as MagicInstruction
+    }
 }
 
 class CompilationErrorInstruction(
@@ -65,7 +142,6 @@ class MarkInstruction(
         element: JetElement,
         lexicalScope: LexicalScope
 ) : InstructionWithNext(element, lexicalScope) {
-
     override fun accept(visitor: InstructionVisitor) {
         visitor.visitMarkInstruction(this)
     }

compiler/testData/cfg-variables/basic/IfWithUninitialized.instructions

@@ -15,19 +15,19 @@ L0:
     v(val b: Boolean)                                                   INIT: in: {} out: {b=D}
     mark(if (1 < 2) { use(b) } else { b = true })                       INIT: in: {b=D} out: {b=D}
     mark(1 < 2)
-    r(1)
+    r(1) -> <v0>
-    r(2)
+    r(2) -> <v1>
-    call(<, compareTo)
+    call(<, compareTo|<v0>, <v1>) -> <v2>
-    jf(L2)
+    jf(L2|<v2>)
   3 mark({ use(b) })
     mark(use(b))                                                                                       USE: in: {b=READ} out: {b=READ}
-    r(b)                                                                                               USE: in: {} out: {b=READ}
+    r(b) -> <v3>                                                                                       USE: in: {} out: {b=READ}
-    call(use, use)
+    call(use, use|<v3>) -> <v4>
   2 jmp(L3)                                                                                            USE: in: {} out: {}
 L2:
   3 mark({ b = true })
-    r(true)                                                                                            USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
+    r(true) -> <v5>                                                                                    USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
-    w(b)                                                                INIT: in: {b=D} out: {b=ID}    USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
+    w(b|<v5>)                                                           INIT: in: {b=D} out: {b=ID}    USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
 L1:
 L3:
   1 <END>                                                               INIT: in: {} out: {}
@@ -40,14 +40,15 @@ sink:
 fun use(vararg a: Any?) = a
 ---------------------
 L0:
-  1 <START>              INIT: in: {} out: {}
+  1 <START>                          INIT: in: {} out: {}
-    v(vararg a: Any?)    INIT: in: {} out: {a=D}
+    v(vararg a: Any?)                INIT: in: {} out: {a=D}
-    w(a)                 INIT: in: {a=D} out: {a=ID}     USE: in: {a=READ} out: {a=READ}
+    magic(vararg a: Any?) -> <v0>    INIT: in: {a=D} out: {a=D}
-    r(a)                 INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {a=READ}
+    w(a|<v0>)                        INIT: in: {a=D} out: {a=ID}     USE: in: {a=READ} out: {a=READ}
+    r(a) -> <v1>                     INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {a=READ}
 L1:
     <END>
 error:
-    <ERROR>              INIT: in: {} out: {}
+    <ERROR>                          INIT: in: {} out: {}
 sink:
-    <SINK>               INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
+    <SINK>                           INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/basic/InitializedNotDeclared.instructions

@@ -9,8 +9,8 @@ class A {
 L0:
   1 <START>            INIT: in: {} out: {}
   2 mark({ x = 1 })
-    r(1)                                               USE: in: {x=ONLY_WRITTEN_NEVER_READ} out: {x=ONLY_WRITTEN_NEVER_READ}
+    r(1) -> <v0>                                       USE: in: {x=ONLY_WRITTEN_NEVER_READ} out: {x=ONLY_WRITTEN_NEVER_READ}
-    w(x)               INIT: in: {} out: {x=I}         USE: in: {} out: {x=ONLY_WRITTEN_NEVER_READ}
+    w(x|<v0>)          INIT: in: {} out: {x=I}         USE: in: {} out: {x=ONLY_WRITTEN_NEVER_READ}
   1 v(val x: Int)      INIT: in: {x=I} out: {x=ID}
 L1:
     <END>              INIT: in: {x=ID} out: {x=ID}

compiler/testData/cfg-variables/basic/UsageInFunctionLiteral.instructions

@@ -11,15 +11,15 @@ L0:
   1 <START>                                                             INIT: in: {} out: {}                       USE: in: {} out: {}
   2 mark({ val a = 1 val f = { (x: Int) -> val y = x + a use(a) } })
     v(val a = 1)                                                        INIT: in: {} out: {a=D}
-    r(1)                                                                INIT: in: {a=D} out: {a=D}
+    r(1) -> <v0>                                                        INIT: in: {a=D} out: {a=D}
-    w(a)                                                                INIT: in: {a=D} out: {a=ID}
+    w(a|<v0>)                                                           INIT: in: {a=D} out: {a=ID}
     v(val f = { (x: Int) -> val y = x + a use(a) })                     INIT: in: {a=ID} out: {a=ID, f=D}
     mark({ (x: Int) -> val y = x + a use(a) })                          INIT: in: {a=ID, f=D} out: {a=ID, f=D}
     jmp?(L2)
     d({ (x: Int) -> val y = x + a use(a) })                                                                        USE: in: {a=READ} out: {a=READ}
 L2:
-    r({ (x: Int) -> val y = x + a use(a) })
+    r({ (x: Int) -> val y = x + a use(a) }) -> <v1>
-    w(f)                                                                INIT: in: {a=ID, f=D} out: {a=ID, f=ID}
+    w(f|<v1>)                                                           INIT: in: {a=ID, f=D} out: {a=ID, f=ID}
 L1:
   1 <END>                                                               INIT: in: {} out: {}
 error:
@@ -34,38 +34,40 @@ sink:
     }
 ---------------------
 L3:
-  3 <START>                       INIT: in: {} out: {}
+  3 <START>                             INIT: in: {} out: {}
-    v(x: Int)                     INIT: in: {} out: {x=D}
+    v(x: Int)                           INIT: in: {} out: {x=D}
-    w(x)                          INIT: in: {x=D} out: {x=ID}
+    magic(x: Int) -> <v0>               INIT: in: {x=D} out: {x=D}
-  4 mark(val y = x + a use(a))    INIT: in: {x=ID} out: {x=ID}
+    w(x|<v0>)                           INIT: in: {x=D} out: {x=ID}
-    v(val y = x + a)              INIT: in: {x=ID} out: {x=ID, y=D}
+  4 mark(val y = x + a use(a))          INIT: in: {x=ID} out: {x=ID}
-    mark(x + a)                   INIT: in: {x=ID, y=D} out: {x=ID, y=D}      USE: in: {a=READ, x=READ} out: {a=READ, x=READ}
+    v(val y = x + a)                    INIT: in: {x=ID} out: {x=ID, y=D}
-    r(x)                                                                      USE: in: {a=READ} out: {a=READ, x=READ}
+    mark(x + a)                         INIT: in: {x=ID, y=D} out: {x=ID, y=D}      USE: in: {a=READ, x=READ} out: {a=READ, x=READ}
-    r(a)
+    r(x) -> <v1>                                                                    USE: in: {a=READ} out: {a=READ, x=READ}
-    call(+, plus)
+    r(a) -> <v2>
-    w(y)                          INIT: in: {x=ID, y=D} out: {x=ID, y=ID}
+    call(+, plus|<v1>, <v2>) -> <v3>
-    mark(use(a))                  INIT: in: {x=ID, y=ID} out: {x=ID, y=ID}    USE: in: {a=READ} out: {a=READ}
+    w(y|<v3>)                           INIT: in: {x=ID, y=D} out: {x=ID, y=ID}
-    r(a)                                                                      USE: in: {} out: {a=READ}
+    mark(use(a))                        INIT: in: {x=ID, y=ID} out: {x=ID, y=ID}    USE: in: {a=READ} out: {a=READ}
-    call(use, use)
+    r(a) -> <v4>                                                                    USE: in: {} out: {a=READ}
+    call(use, use|<v4>) -> <v5>
 L4:
-  3 <END>                         INIT: in: {x=ID} out: {x=ID}
+  3 <END>                               INIT: in: {x=ID} out: {x=ID}
 error:
-    <ERROR>                       INIT: in: {} out: {}
+    <ERROR>                             INIT: in: {} out: {}
 sink:
-    <SINK>                        INIT: in: {x=ID} out: {x=ID}                USE: in: {} out: {}
+    <SINK>                              INIT: in: {x=ID} out: {x=ID}                USE: in: {} out: {}
 =====================
 == use ==
 fun use(vararg a: Any?) = a
 ---------------------
 L0:
-  1 <START>              INIT: in: {} out: {}
+  1 <START>                          INIT: in: {} out: {}
-    v(vararg a: Any?)    INIT: in: {} out: {a=D}
+    v(vararg a: Any?)                INIT: in: {} out: {a=D}
-    w(a)                 INIT: in: {a=D} out: {a=ID}     USE: in: {a=READ} out: {a=READ}
+    magic(vararg a: Any?) -> <v0>    INIT: in: {a=D} out: {a=D}
-    r(a)                 INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {a=READ}
+    w(a|<v0>)                        INIT: in: {a=D} out: {a=ID}     USE: in: {a=READ} out: {a=READ}
+    r(a) -> <v1>                     INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {a=READ}
 L1:
     <END>
 error:
-    <ERROR>              INIT: in: {} out: {}
+    <ERROR>                          INIT: in: {} out: {}
 sink:
-    <SINK>               INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
+    <SINK>                           INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/basic/VariablesInitialization.instructions

@@ -10,12 +10,12 @@ L0:
   1 <START>                                    INIT: in: {} out: {}                        USE: in: {} out: {}
   2 mark({ val a = 1 val b: Int b = 2 42 })
     v(val a = 1)                               INIT: in: {} out: {a=D}
-    r(1)                                       INIT: in: {a=D} out: {a=D}
+    r(1) -> <v0>                               INIT: in: {a=D} out: {a=D}
-    w(a)                                       INIT: in: {a=D} out: {a=ID}
+    w(a|<v0>)                                  INIT: in: {a=D} out: {a=ID}
     v(val b: Int)                              INIT: in: {a=ID} out: {a=ID, b=D}
-    r(2)                                       INIT: in: {a=ID, b=D} out: {a=ID, b=D}      USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
+    r(2) -> <v1>                               INIT: in: {a=ID, b=D} out: {a=ID, b=D}      USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
-    w(b)                                       INIT: in: {a=ID, b=D} out: {a=ID, b=ID}     USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
+    w(b|<v1>)                                  INIT: in: {a=ID, b=D} out: {a=ID, b=ID}     USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
-    r(42)                                      INIT: in: {a=ID, b=ID} out: {a=ID, b=ID}
+    r(42) -> <v2>                              INIT: in: {a=ID, b=ID} out: {a=ID, b=ID}
 L1:
   1 <END>                                      INIT: in: {} out: {}
 error:
@@ -33,15 +33,16 @@ fun bar(foo: Foo) {
 L0:
   1 <START>                         INIT: in: {} out: {}
     v(foo: Foo)                     INIT: in: {} out: {foo=D}
-    w(foo)                          INIT: in: {foo=D} out: {foo=ID}
+    magic(foo: Foo) -> <v0>         INIT: in: {foo=D} out: {foo=D}
+    w(foo|<v0>)                     INIT: in: {foo=D} out: {foo=ID}
   2 mark({ foo.c foo.c = 2 42 })    INIT: in: {foo=ID} out: {foo=ID}
     mark(foo.c)
-    r(foo)                                                                        USE: in: {c=READ, foo=READ} out: {c=READ, foo=READ}
+    r(foo) -> <v1>                                                                USE: in: {c=READ, foo=READ} out: {c=READ, foo=READ}
-    r(c)                                                                          USE: in: {c=ONLY_WRITTEN_NEVER_READ, foo=READ} out: {c=READ, foo=READ}
+    r(c|<v1>) -> <v2>                                                             USE: in: {c=ONLY_WRITTEN_NEVER_READ, foo=READ} out: {c=READ, foo=READ}
-    r(2)                                                                          USE: in: {c=ONLY_WRITTEN_NEVER_READ, foo=READ} out: {c=ONLY_WRITTEN_NEVER_READ, foo=READ}
+    r(2) -> <v3>                                                                  USE: in: {c=ONLY_WRITTEN_NEVER_READ, foo=READ} out: {c=ONLY_WRITTEN_NEVER_READ, foo=READ}
-    r(foo)                                                                        USE: in: {c=ONLY_WRITTEN_NEVER_READ} out: {c=ONLY_WRITTEN_NEVER_READ, foo=READ}
+    r(foo) -> <v4>                                                                USE: in: {c=ONLY_WRITTEN_NEVER_READ} out: {c=ONLY_WRITTEN_NEVER_READ, foo=READ}
-    w(foo.c)                        INIT: in: {foo=ID} out: {c=I, foo=ID}         USE: in: {} out: {c=ONLY_WRITTEN_NEVER_READ}
+    w(foo.c|<v4>, <v3>)             INIT: in: {foo=ID} out: {c=I, foo=ID}         USE: in: {} out: {c=ONLY_WRITTEN_NEVER_READ}
-    r(42)                           INIT: in: {c=I, foo=ID} out: {c=I, foo=ID}
+    r(42) -> <v5>                   INIT: in: {c=I, foo=ID} out: {c=I, foo=ID}
 L1:
   1 <END>
 error:

compiler/testData/cfg-variables/basic/VariablesUsage.instructions

@@ -10,16 +10,16 @@ L0:
   1 <START>                                    INIT: in: {} out: {}            USE: in: {} out: {}
   2 mark({ var a = 1 use(a) a = 2 use(a) })
     v(var a = 1)                               INIT: in: {} out: {a=D}
-    r(1)                                       INIT: in: {a=D} out: {a=D}
+    r(1) -> <v0>                               INIT: in: {a=D} out: {a=D}
-    w(a)                                       INIT: in: {a=D} out: {a=ID}
+    w(a|<v0>)                                  INIT: in: {a=D} out: {a=ID}
     mark(use(a))                               INIT: in: {a=ID} out: {a=ID}    USE: in: {a=READ} out: {a=READ}
-    r(a)                                                                       USE: in: {a=WRITTEN_AFTER_READ} out: {a=READ}
+    r(a) -> <v1>                                                               USE: in: {a=WRITTEN_AFTER_READ} out: {a=READ}
-    call(use, use)
+    call(use, use|<v1>) -> <v2>
-    r(2)                                                                       USE: in: {a=WRITTEN_AFTER_READ} out: {a=WRITTEN_AFTER_READ}
+    r(2) -> <v3>                                                               USE: in: {a=WRITTEN_AFTER_READ} out: {a=WRITTEN_AFTER_READ}
-    w(a)                                                                       USE: in: {a=READ} out: {a=WRITTEN_AFTER_READ}
+    w(a|<v3>)                                                                  USE: in: {a=READ} out: {a=WRITTEN_AFTER_READ}
     mark(use(a))                                                               USE: in: {a=READ} out: {a=READ}
-    r(a)                                                                       USE: in: {} out: {a=READ}
+    r(a) -> <v4>                                                               USE: in: {} out: {a=READ}
-    call(use, use)
+    call(use, use|<v4>) -> <v5>
 L1:
   1 <END>                                      INIT: in: {} out: {}
 error:
@@ -37,8 +37,8 @@ L0:
   1 <START>                       INIT: in: {} out: {}           USE: in: {} out: {}
   2 mark({ val b: Int b = 3 })
     v(val b: Int)                 INIT: in: {} out: {b=D}
-    r(3)                          INIT: in: {b=D} out: {b=D}     USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
+    r(3) -> <v0>                  INIT: in: {b=D} out: {b=D}     USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
-    w(b)                          INIT: in: {b=D} out: {b=ID}    USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
+    w(b|<v0>)                     INIT: in: {b=D} out: {b=ID}    USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
 L1:
   1 <END>                         INIT: in: {} out: {}
 error:
@@ -50,14 +50,15 @@ sink:
 fun use(a: Int) = a
 ---------------------
 L0:
-  1 <START>      INIT: in: {} out: {}
+  1 <START>                  INIT: in: {} out: {}
-    v(a: Int)    INIT: in: {} out: {a=D}
+    v(a: Int)                INIT: in: {} out: {a=D}
-    w(a)         INIT: in: {a=D} out: {a=ID}     USE: in: {a=READ} out: {a=READ}
+    magic(a: Int) -> <v0>    INIT: in: {a=D} out: {a=D}
-    r(a)         INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {a=READ}
+    w(a|<v0>)                INIT: in: {a=D} out: {a=ID}     USE: in: {a=READ} out: {a=READ}
+    r(a) -> <v1>             INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {a=READ}
 L1:
     <END>
 error:
-    <ERROR>      INIT: in: {} out: {}
+    <ERROR>                  INIT: in: {} out: {}
 sink:
-    <SINK>       INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
+    <SINK>                   INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/bugs/referenceToPropertyInitializer.instructions

@@ -12,8 +12,8 @@ L0:
     jmp?(L2)
     d({ (x: Int) -> sum(x - 1) + x })                                                              USE: in: {sum=READ} out: {sum=READ}
 L2:
-    r({ (x: Int) -> sum(x - 1) + x })
+    r({ (x: Int) -> sum(x - 1) + x }) -> <v0>
-    w(sum)                                                     INIT: in: {sum=D} out: {sum=ID}
+    w(sum|<v0>)                                                INIT: in: {sum=D} out: {sum=ID}
 L1:
     <END>                                                      INIT: in: {sum=ID} out: {sum=ID}
 error:
@@ -27,40 +27,42 @@ sink:
     }
 ---------------------
 L3:
-  2 <START>                 INIT: in: {} out: {}
+  2 <START>                                 INIT: in: {} out: {}
-    v(x: Int)               INIT: in: {} out: {x=D}
+    v(x: Int)                               INIT: in: {} out: {x=D}
-    w(x)                    INIT: in: {x=D} out: {x=ID}
+    magic(x: Int) -> <v0>                   INIT: in: {x=D} out: {x=D}
-  3 mark(sum(x - 1) + x)    INIT: in: {x=ID} out: {x=ID}
+    w(x|<v0>)                               INIT: in: {x=D} out: {x=ID}
+  3 mark(sum(x - 1) + x)                    INIT: in: {x=ID} out: {x=ID}
     mark(sum(x - 1) + x)
-    mark(sum(x - 1))                                        USE: in: {sum=READ, x=READ} out: {sum=READ, x=READ}
+    mark(sum(x - 1))                                                        USE: in: {sum=READ, x=READ} out: {sum=READ, x=READ}
-    r(sum)                                                  USE: in: {x=READ} out: {sum=READ, x=READ}
+    r(sum) -> <v1>                                                          USE: in: {x=READ} out: {sum=READ, x=READ}
     mark(x - 1)
-    r(x)
+    r(x) -> <v2>
-    r(1)
+    r(1) -> <v3>
-    call(-, minus)
+    call(-, minus|<v2>, <v3>) -> <v4>
-    call(sum, invoke)                                       USE: in: {x=READ} out: {x=READ}
+    call(sum, invoke|<v1>, <v4>) -> <v5>                                    USE: in: {x=READ} out: {x=READ}
-    r(x)                                                    USE: in: {} out: {x=READ}
+    r(x) -> <v6>                                                            USE: in: {} out: {x=READ}
-    call(+, plus)
+    call(+, plus|<v5>, <v6>) -> <v7>
 L4:
   2 <END>
 error:
-    <ERROR>                 INIT: in: {} out: {}
+    <ERROR>                                 INIT: in: {} out: {}
 sink:
-    <SINK>                  INIT: in: {x=ID} out: {x=ID}    USE: in: {} out: {}
+    <SINK>                                  INIT: in: {x=ID} out: {x=ID}    USE: in: {} out: {}
 =====================
 == A ==
 open class A(val a: A)
 ---------------------
 L0:
-  1 <START>        INIT: in: {} out: {}
+  1 <START>                    INIT: in: {} out: {}
-    v(val a: A)    INIT: in: {} out: {a=D}
+    v(val a: A)                INIT: in: {} out: {a=D}
-    w(a)           INIT: in: {a=D} out: {a=ID}
+    magic(val a: A) -> <v0>    INIT: in: {a=D} out: {a=D}
+    w(a|<v0>)                  INIT: in: {a=D} out: {a=ID}
 L1:
-    <END>          INIT: in: {a=ID} out: {a=ID}
+    <END>                      INIT: in: {a=ID} out: {a=ID}
 error:
-    <ERROR>        INIT: in: {} out: {}
+    <ERROR>                    INIT: in: {} out: {}
 sink:
-    <SINK>         INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
+    <SINK>                     INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
 =====================
 == TestObjectLiteral ==
 class TestObjectLiteral {
@@ -78,16 +80,16 @@ L0:
   1 <START>                                                                         INIT: in: {} out: {}
     v(val obj: A = object: A(obj) { { val x = obj } fun foo() { val y = obj } })    INIT: in: {} out: {obj=D}
     mark(object: A(obj) { { val x = obj } fun foo() { val y = obj } })              INIT: in: {obj=D} out: {obj=D}
-    r(obj)
+    r(obj) -> <v0>
   2 mark({ val x = obj })
     v(val x = obj)                                                                  INIT: in: {obj=D} out: {obj=D, x=D}
-    r(obj)                                                                          INIT: in: {obj=D, x=D} out: {obj=D, x=D}
+    r(obj) -> <v1>                                                                  INIT: in: {obj=D, x=D} out: {obj=D, x=D}
-    w(x)                                                                            INIT: in: {obj=D, x=D} out: {obj=D, x=ID}
+    w(x|<v1>)                                                                       INIT: in: {obj=D, x=D} out: {obj=D, x=ID}
   1 jmp?(L2)                                                                        INIT: in: {obj=D} out: {obj=D}
     d(fun foo() { val y = obj })                                                                                                 USE: in: {obj=READ} out: {obj=READ}
 L2:
-    r(object: A(obj) { { val x = obj } fun foo() { val y = obj } })
+    r(object: A(obj) { { val x = obj } fun foo() { val y = obj } }) -> <v2>
-    w(obj)                                                                          INIT: in: {obj=D} out: {obj=ID}
+    w(obj|<v2>)                                                                     INIT: in: {obj=D} out: {obj=ID}
 L1:
     <END>                                                                           INIT: in: {obj=ID} out: {obj=ID}
 error:
@@ -104,8 +106,8 @@ L3:
   2 <START>                  INIT: in: {} out: {}
   3 mark({ val y = obj })
     v(val y = obj)           INIT: in: {} out: {y=D}        USE: in: {obj=READ} out: {obj=READ}
-    r(obj)                   INIT: in: {y=D} out: {y=D}     USE: in: {} out: {obj=READ}
+    r(obj) -> <v0>           INIT: in: {y=D} out: {y=D}     USE: in: {} out: {obj=READ}
-    w(y)                     INIT: in: {y=D} out: {y=ID}
+    w(y|<v0>)                INIT: in: {y=D} out: {y=ID}
 L4:
   2 <END>                    INIT: in: {} out: {}
 error:
@@ -119,17 +121,17 @@ class TestOther {
 }
 ---------------------
 L0:
-  1 <START>                  INIT: in: {} out: {}
+  1 <START>                             INIT: in: {} out: {}
-    v(val x: Int = x + 1)    INIT: in: {} out: {x=D}
+    v(val x: Int = x + 1)               INIT: in: {} out: {x=D}
-    mark(x + 1)              INIT: in: {x=D} out: {x=D}      USE: in: {x=READ} out: {x=READ}
+    mark(x + 1)                         INIT: in: {x=D} out: {x=D}      USE: in: {x=READ} out: {x=READ}
-    r(x)                                                     USE: in: {} out: {x=READ}
+    r(x) -> <v0>                                                        USE: in: {} out: {x=READ}
-    r(1)
+    r(1) -> <v1>
-    call(+, plus)
+    call(+, plus|<v0>, <v1>) -> <v2>
-    w(x)                     INIT: in: {x=D} out: {x=ID}
+    w(x|<v2>)                           INIT: in: {x=D} out: {x=ID}
 L1:
-    <END>                    INIT: in: {x=ID} out: {x=ID}
+    <END>                               INIT: in: {x=ID} out: {x=ID}
 error:
-    <ERROR>                  INIT: in: {} out: {}
+    <ERROR>                             INIT: in: {} out: {}
 sink:
-    <SINK>                   INIT: in: {x=ID} out: {x=ID}    USE: in: {} out: {}
+    <SINK>                              INIT: in: {x=ID} out: {x=ID}    USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/bugs/varInitializationInIf.instructions

@@ -16,23 +16,24 @@ L0:
     v(val b: Boolean)                                                             INIT: in: {} out: {b=D}
     mark(if (1 < 2) { b = false } else { b = true })                              INIT: in: {b=D} out: {b=D}
     mark(1 < 2)
-    r(1)
+    r(1) -> <v0>
-    r(2)
+    r(2) -> <v1>
-    call(<, compareTo)
+    call(<, compareTo|<v0>, <v1>) -> <v2>
-    jf(L2)
+    jf(L2|<v2>)
   3 mark({ b = false })
-    r(false)                                                                                                      USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
+    r(false) -> <v3>                                                                                              USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
-    w(b)                                                                          INIT: in: {b=D} out: {b=ID}     USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
+    w(b|<v3>)                                                                     INIT: in: {b=D} out: {b=ID}     USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
   2 jmp(L3)                                                                       INIT: in: {b=ID} out: {b=ID}    USE: in: {b=READ} out: {b=READ}
 L2:
   3 mark({ b = true })                                                            INIT: in: {b=D} out: {b=D}
-    r(true)                                                                                                       USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
+    r(true) -> <v4>                                                                                               USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
-    w(b)                                                                          INIT: in: {b=D} out: {b=ID}     USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
+    w(b|<v4>)                                                                     INIT: in: {b=D} out: {b=ID}     USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
 L3:
   2 mark(use(b))                                                                  INIT: in: {b=ID} out: {b=ID}
     error(use, No resolved call)                                                                                  USE: in: {b=READ} out: {b=READ}
-    r(b)                                                                                                          USE: in: {} out: {b=READ}
+    r(b) -> <v5>                                                                                                  USE: in: {} out: {b=READ}
     error(use, No resolved call)
+    magic(use|<v5>) -> <v6>
 L1:
   1 <END>                                                                         INIT: in: {} out: {}
 error:

compiler/testData/cfg-variables/bugs/varInitializationInIfInCycle.instructions

@@ -16,36 +16,38 @@ fun foo(numbers: Collection<Int>) {
 L0:
   1 <START>                                                                                                       INIT: in: {} out: {}
     v(numbers: Collection<Int>)                                                                                   INIT: in: {} out: {numbers=D}
-    w(numbers)                                                                                                    INIT: in: {numbers=D} out: {numbers=ID}
+    magic(numbers: Collection<Int>) -> <v0>                                                                       INIT: in: {numbers=D} out: {numbers=D}
+    w(numbers|<v0>)                                                                                               INIT: in: {numbers=D} out: {numbers=ID}
   2 mark({ for (i in numbers) { val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue } })    INIT: in: {numbers=ID} out: {numbers=ID}
   3 mark(for (i in numbers) { val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue })                                                                            USE: in: {numbers=READ} out: {numbers=READ}
-    r(numbers)                                                                                                                                                                        USE: in: {} out: {numbers=READ}
+    r(numbers) -> <v1>                                                                                                                                                                USE: in: {} out: {numbers=READ}
     v(i)                                                                                                          INIT: in: {numbers=ID} out: {i=D, numbers=ID}
 L3:
     jmp?(L2)                                                                                                      INIT: in: {i=D, numbers=ID} out: {i=D, numbers=ID}
 L4 [loop entry point]:
 L5 [body entry point]:
-    w(i)                                                                                                          INIT: in: {i=D, numbers=ID} out: {i=ID, numbers=ID}                 USE: in: {} out: {}
+    magic(numbers|<v1>) -> <v2>
+    w(i|<v2>)                                                                                                     INIT: in: {i=D, numbers=ID} out: {i=ID, numbers=ID}                 USE: in: {} out: {}
   4 mark({ val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue })                           INIT: in: {i=ID, numbers=ID} out: {i=ID, numbers=ID}
     v(val b: Boolean)                                                                                             INIT: in: {i=ID, numbers=ID} out: {b=D, i=ID, numbers=ID}
     mark(if (1 < 2) { b = false } else { b = true })                                                              INIT: in: {b=D, i=ID, numbers=ID} out: {b=D, i=ID, numbers=ID}
     mark(1 < 2)
-    r(1)
+    r(1) -> <v3>
-    r(2)
+    r(2) -> <v4>
-    call(<, compareTo)
+    call(<, compareTo|<v3>, <v4>) -> <v5>
-    jf(L6)
+    jf(L6|<v5>)
   5 mark({ b = false })
-    r(false)                                                                                                                                                                          USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
+    r(false) -> <v6>                                                                                                                                                                  USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
-    w(b)                                                                                                          INIT: in: {b=D, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID}     USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
+    w(b|<v6>)                                                                                                     INIT: in: {b=D, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID}     USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
   4 jmp(L7)                                                                                                       INIT: in: {b=ID, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID}    USE: in: {b=READ} out: {b=READ}
 L6:
   5 mark({ b = true })                                                                                            INIT: in: {b=D, i=ID, numbers=ID} out: {b=D, i=ID, numbers=ID}
-    r(true)                                                                                                                                                                           USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
+    r(true) -> <v7>                                                                                                                                                                   USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
-    w(b)                                                                                                          INIT: in: {b=D, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID}     USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
+    w(b|<v7>)                                                                                                     INIT: in: {b=D, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID}     USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
 L7:
   4 mark(use(b))                                                                                                  INIT: in: {b=ID, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID}    USE: in: {b=READ} out: {b=READ}
-    r(b)                                                                                                                                                                              USE: in: {} out: {b=READ}
+    r(b) -> <v8>                                                                                                                                                                      USE: in: {} out: {b=READ}
-    call(use, use)
+    call(use, use|<v8>) -> <v9>
     jmp(L4 [loop entry point])                                                                                                                                                        USE: in: {} out: {}
 - 3 jmp?(L4 [loop entry point])
 L2:
@@ -61,14 +63,15 @@ sink:
 fun use(vararg a: Any?) = a
 ---------------------
 L0:
-  1 <START>              INIT: in: {} out: {}
+  1 <START>                          INIT: in: {} out: {}
-    v(vararg a: Any?)    INIT: in: {} out: {a=D}
+    v(vararg a: Any?)                INIT: in: {} out: {a=D}
-    w(a)                 INIT: in: {a=D} out: {a=ID}     USE: in: {a=READ} out: {a=READ}
+    magic(vararg a: Any?) -> <v0>    INIT: in: {a=D} out: {a=D}
-    r(a)                 INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {a=READ}
+    w(a|<v0>)                        INIT: in: {a=D} out: {a=ID}     USE: in: {a=READ} out: {a=READ}
+    r(a) -> <v1>                     INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {a=READ}
 L1:
     <END>
 error:
-    <ERROR>              INIT: in: {} out: {}
+    <ERROR>                          INIT: in: {} out: {}
 sink:
-    <SINK>               INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
+    <SINK>                           INIT: in: {a=ID} out: {a=ID}    USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/lexicalScopes/doWhileScope.instructions

@@ -11,24 +11,24 @@ L0:
   1 <START>                                                      INIT: in: {} out: {}
   2 mark({ "before" do { var a = 2 } while (a > 0) "after" })
     mark("before")
-    r("before")                                                                                  USE: in: {} out: {}
+    r("before") -> <v0>                                                                          USE: in: {} out: {}
   3 mark(do { var a = 2 } while (a > 0))
 L2 [loop entry point]:
 L4 [body entry point]:
     mark({ var a = 2 })                                          INIT: in: {a=ID} out: {a=ID}
     v(var a = 2)
-    r(2)
+    r(2) -> <v1>
-    w(a)
+    w(a|<v1>)
 L5 [condition entry point]:
     mark(a > 0)
-    r(a)
+    r(a) -> <v2>
-    r(0)
+    r(0) -> <v3>
-    call(>, compareTo)
+    call(>, compareTo|<v2>, <v3>) -> <v4>
-    jt(L2 [loop entry point])                                                                    USE: in: {a=READ} out: {a=READ}
+    jt(L2 [loop entry point]|<v4>)                                                               USE: in: {a=READ} out: {a=READ}
 L3 [loop exit point]:
     read (Unit)
   2 mark("after")                                                INIT: in: {} out: {}
-    r("after")
+    r("after") -> <v5>
 L1:
   1 <END>
 error:

compiler/testData/cfg-variables/lexicalScopes/forScope.instructions

@@ -11,27 +11,28 @@ L0:
   1 <START>                                                      INIT: in: {} out: {}
   2 mark({ "before" for (i in 1..10) { val a = i } "after" })
     mark("before")
-    r("before")                                                                                             USE: in: {} out: {}
+    r("before") -> <v0>                                                                                     USE: in: {} out: {}
   3 mark(for (i in 1..10) { val a = i })
     mark(1..10)
-    r(1)
+    r(1) -> <v1>
-    r(10)
+    r(10) -> <v2>
-    call(.., rangeTo)
+    call(.., rangeTo|<v1>, <v2>) -> <v3>
     v(i)                                                         INIT: in: {} out: {i=D}
 L3:
     jmp?(L2)                                                     INIT: in: {i=D} out: {i=D}
 L4 [loop entry point]:
 L5 [body entry point]:
-    w(i)                                                         INIT: in: {i=D} out: {i=ID}
+    magic(1..10|<v3>) -> <v4>
+    w(i|<v4>)                                                    INIT: in: {i=D} out: {i=ID}
   4 mark({ val a = i })                                          INIT: in: {i=ID} out: {i=ID}
     v(val a = i)                                                 INIT: in: {i=ID} out: {a=D, i=ID}
-    r(i)                                                         INIT: in: {a=D, i=ID} out: {a=D, i=ID}
+    r(i) -> <v5>                                                 INIT: in: {a=D, i=ID} out: {a=D, i=ID}
-    w(a)                                                         INIT: in: {a=D, i=ID} out: {a=ID, i=ID}
+    w(a|<v5>)                                                    INIT: in: {a=D, i=ID} out: {a=ID, i=ID}
   3 jmp?(L4 [loop entry point])                                  INIT: in: {i=ID} out: {i=ID}               USE: in: {i=READ} out: {i=READ}
 L2:
     read (Unit)                                                  INIT: in: {i=D} out: {i=D}
   2 mark("after")                                                INIT: in: {} out: {}
-    r("after")
+    r("after") -> <v6>
 L1:
   1 <END>
 error:

compiler/testData/cfg-variables/lexicalScopes/functionLiteralScope.instructions

@@ -12,19 +12,19 @@ L0:
   1 <START>                                                                       INIT: in: {} out: {}                        USE: in: {} out: {}
   2 mark({ "before" val b = 1 val f = { (x: Int) -> val a = x + b } "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
     v(val b = 1)                                                                  INIT: in: {} out: {b=D}
-    r(1)                                                                          INIT: in: {b=D} out: {b=D}
+    r(1) -> <v1>                                                                  INIT: in: {b=D} out: {b=D}
-    w(b)                                                                          INIT: in: {b=D} out: {b=ID}
+    w(b|<v1>)                                                                     INIT: in: {b=D} out: {b=ID}
     v(val f = { (x: Int) -> val a = x + b })                                      INIT: in: {b=ID} out: {b=ID, f=D}
     mark({ (x: Int) -> val a = x + b })                                           INIT: in: {b=ID, f=D} out: {b=ID, f=D}
     jmp?(L2)
     d({ (x: Int) -> val a = x + b })                                                                                          USE: in: {b=READ} out: {b=READ}
 L2:
-    r({ (x: Int) -> val a = x + b })
+    r({ (x: Int) -> val a = x + b }) -> <v2>
-    w(f)                                                                          INIT: in: {b=ID, f=D} out: {b=ID, f=ID}
+    w(f|<v2>)                                                                     INIT: in: {b=ID, f=D} out: {b=ID, f=ID}
     mark("after")                                                                 INIT: in: {b=ID, f=ID} out: {b=ID, f=ID}
-    r("after")
+    r("after") -> <v3>
 L1:
   1 <END>                                                                         INIT: in: {} out: {}
 error:
@@ -38,20 +38,21 @@ sink:
     }
 ---------------------
 L3:
-  3 <START>                INIT: in: {} out: {}
+  3 <START>                             INIT: in: {} out: {}
-    v(x: Int)              INIT: in: {} out: {x=D}
+    v(x: Int)                           INIT: in: {} out: {x=D}
-    w(x)                   INIT: in: {x=D} out: {x=ID}
+    magic(x: Int) -> <v0>               INIT: in: {x=D} out: {x=D}
-  4 mark(val a = x + b)    INIT: in: {x=ID} out: {x=ID}
+    w(x|<v0>)                           INIT: in: {x=D} out: {x=ID}
-    v(val a = x + b)       INIT: in: {x=ID} out: {a=D, x=ID}
+  4 mark(val a = x + b)                 INIT: in: {x=ID} out: {x=ID}
-    mark(x + b)            INIT: in: {a=D, x=ID} out: {a=D, x=ID}     USE: in: {b=READ, x=READ} out: {b=READ, x=READ}
+    v(val a = x + b)                    INIT: in: {x=ID} out: {a=D, x=ID}
-    r(x)                                                              USE: in: {b=READ} out: {b=READ, x=READ}
+    mark(x + b)                         INIT: in: {a=D, x=ID} out: {a=D, x=ID}     USE: in: {b=READ, x=READ} out: {b=READ, x=READ}
-    r(b)                                                              USE: in: {} out: {b=READ}
+    r(x) -> <v1>                                                                   USE: in: {b=READ} out: {b=READ, x=READ}
-    call(+, plus)
+    r(b) -> <v2>                                                                   USE: in: {} out: {b=READ}
-    w(a)                   INIT: in: {a=D, x=ID} out: {a=ID, x=ID}
+    call(+, plus|<v1>, <v2>) -> <v3>
+    w(a|<v3>)                           INIT: in: {a=D, x=ID} out: {a=ID, x=ID}
 L4:
-  3 <END>                  INIT: in: {x=ID} out: {x=ID}
+  3 <END>                               INIT: in: {x=ID} out: {x=ID}
 error:
-    <ERROR>                INIT: in: {} out: {}
+    <ERROR>                             INIT: in: {} out: {}
 sink:
-    <SINK>                 INIT: in: {x=ID} out: {x=ID}               USE: in: {} out: {}
+    <SINK>                              INIT: in: {x=ID} out: {x=ID}               USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/lexicalScopes/ifScope.instructions

@@ -14,23 +14,23 @@ L0:
   1 <START>                                                                  INIT: in: {} out: {}
   2 mark({ "before" if (true) { val a = 1 } else { val b = 2 } "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
     mark(if (true) { val a = 1 } else { val b = 2 })
-    r(true)
+    r(true) -> <v1>
-    jf(L2)
+    jf(L2|<v1>)
   3 mark({ val a = 1 })
     v(val a = 1)                                                             INIT: in: {} out: {a=D}
-    r(1)                                                                     INIT: in: {a=D} out: {a=D}
+    r(1) -> <v2>                                                             INIT: in: {a=D} out: {a=D}
-    w(a)                                                                     INIT: in: {a=D} out: {a=ID}
+    w(a|<v2>)                                                                INIT: in: {a=D} out: {a=ID}
   2 jmp(L3)                                                                  INIT: in: {} out: {}
 L2:
   3 mark({ val b = 2 })
     v(val b = 2)                                                             INIT: in: {} out: {b=D}
-    r(2)                                                                     INIT: in: {b=D} out: {b=D}
+    r(2) -> <v3>                                                             INIT: in: {b=D} out: {b=D}
-    w(b)                                                                     INIT: in: {b=D} out: {b=ID}
+    w(b|<v3>)                                                                INIT: in: {b=D} out: {b=ID}
 L3:
   2 mark("after")                                                            INIT: in: {} out: {}
-    r("after")
+    r("after") -> <v4>
 L1:
   1 <END>
 error:

compiler/testData/cfg-variables/lexicalScopes/localClass.instructions

@@ -16,18 +16,19 @@ L0:
   1 <START>                                                                                     INIT: in: {} out: {}
   2 mark({ "before" class A(val x: Int) { { val a = x } fun foo() { val b = x } } "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
     v(val x: Int)                                                                               INIT: in: {} out: {x=D}
-    w(x)                                                                                        INIT: in: {x=D} out: {x=ID}
+    magic(val x: Int) -> <v1>                                                                   INIT: in: {x=D} out: {x=D}
+    w(x|<v1>)                                                                                   INIT: in: {x=D} out: {x=ID}
   3 mark({ val a = x })                                                                         INIT: in: {x=ID} out: {x=ID}
     v(val a = x)                                                                                INIT: in: {x=ID} out: {a=D, x=ID}
-    r(x)                                                                                        INIT: in: {a=D, x=ID} out: {a=D, x=ID}
+    r(x) -> <v2>                                                                                INIT: in: {a=D, x=ID} out: {a=D, x=ID}
-    w(a)                                                                                        INIT: in: {a=D, x=ID} out: {a=ID, x=ID}
+    w(a|<v2>)                                                                                   INIT: in: {a=D, x=ID} out: {a=ID, x=ID}
   2 jmp?(L2)                                                                                    INIT: in: {x=ID} out: {x=ID}
     d(fun foo() { val b = x })                                                                                                             USE: in: {x=READ} out: {x=READ}
 L2:
     mark("after")
-    r("after")
+    r("after") -> <v3>
 L1:
   1 <END>                                                                                       INIT: in: {} out: {}
 error:
@@ -44,8 +45,8 @@ L3:
   3 <START>                INIT: in: {} out: {}
   4 mark({ val b = x })
     v(val b = x)           INIT: in: {} out: {b=D}        USE: in: {x=READ} out: {x=READ}
-    r(x)                   INIT: in: {b=D} out: {b=D}     USE: in: {} out: {x=READ}
+    r(x) -> <v0>           INIT: in: {b=D} out: {b=D}     USE: in: {} out: {x=READ}
-    w(b)                   INIT: in: {b=D} out: {b=ID}
+    w(b|<v0>)              INIT: in: {b=D} out: {b=ID}
 L4:
   3 <END>                  INIT: in: {} out: {}
 error:

compiler/testData/cfg-variables/lexicalScopes/localFunctionScope.instructions

@@ -12,15 +12,15 @@ L0:
   1 <START>                                                                     INIT: in: {} out: {}            USE: in: {} out: {}
   2 mark({ "before" val b = 1 fun local(x: Int) { val a = x + b } "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
     v(val b = 1)                                                                INIT: in: {} out: {b=D}
-    r(1)                                                                        INIT: in: {b=D} out: {b=D}
+    r(1) -> <v1>                                                                INIT: in: {b=D} out: {b=D}
-    w(b)                                                                        INIT: in: {b=D} out: {b=ID}
+    w(b|<v1>)                                                                   INIT: in: {b=D} out: {b=ID}
     jmp?(L2)                                                                    INIT: in: {b=ID} out: {b=ID}
     d(fun local(x: Int) { val a = x + b })                                                                      USE: in: {b=READ} out: {b=READ}
 L2:
     mark("after")
-    r("after")
+    r("after") -> <v2>
 L1:
   1 <END>                                                                       INIT: in: {} out: {}
 error:
@@ -34,20 +34,21 @@ fun local(x: Int) {
     }
 ---------------------
 L3:
-  3 <START>                    INIT: in: {} out: {}
+  3 <START>                             INIT: in: {} out: {}
-    v(x: Int)                  INIT: in: {} out: {x=D}
+    v(x: Int)                           INIT: in: {} out: {x=D}
-    w(x)                       INIT: in: {x=D} out: {x=ID}
+    magic(x: Int) -> <v0>               INIT: in: {x=D} out: {x=D}
-  4 mark({ val a = x + b })    INIT: in: {x=ID} out: {x=ID}
+    w(x|<v0>)                           INIT: in: {x=D} out: {x=ID}
-    v(val a = x + b)           INIT: in: {x=ID} out: {a=D, x=ID}
+  4 mark({ val a = x + b })             INIT: in: {x=ID} out: {x=ID}
-    mark(x + b)                INIT: in: {a=D, x=ID} out: {a=D, x=ID}     USE: in: {b=READ, x=READ} out: {b=READ, x=READ}
+    v(val a = x + b)                    INIT: in: {x=ID} out: {a=D, x=ID}
-    r(x)                                                                  USE: in: {b=READ} out: {b=READ, x=READ}
+    mark(x + b)                         INIT: in: {a=D, x=ID} out: {a=D, x=ID}     USE: in: {b=READ, x=READ} out: {b=READ, x=READ}
-    r(b)                                                                  USE: in: {} out: {b=READ}
+    r(x) -> <v1>                                                                   USE: in: {b=READ} out: {b=READ, x=READ}
-    call(+, plus)
+    r(b) -> <v2>                                                                   USE: in: {} out: {b=READ}
-    w(a)                       INIT: in: {a=D, x=ID} out: {a=ID, x=ID}
+    call(+, plus|<v1>, <v2>) -> <v3>
+    w(a|<v3>)                           INIT: in: {a=D, x=ID} out: {a=ID, x=ID}
 L4:
-  3 <END>                      INIT: in: {x=ID} out: {x=ID}
+  3 <END>                               INIT: in: {x=ID} out: {x=ID}
 error:
-    <ERROR>                    INIT: in: {} out: {}
+    <ERROR>                             INIT: in: {} out: {}
 sink:
-    <SINK>                     INIT: in: {x=ID} out: {x=ID}               USE: in: {} out: {}
+    <SINK>                              INIT: in: {x=ID} out: {x=ID}               USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/lexicalScopes/localFunctionScopeWithoutBody.instructions

@@ -10,15 +10,15 @@ L0:
   1 <START>                                                           INIT: in: {} out: {}            USE: in: {} out: {}
   2 mark({ "before" val b = 1 fun local(x: Int) = x + b "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
     v(val b = 1)                                                      INIT: in: {} out: {b=D}
-    r(1)                                                              INIT: in: {b=D} out: {b=D}
+    r(1) -> <v1>                                                      INIT: in: {b=D} out: {b=D}
-    w(b)                                                              INIT: in: {b=D} out: {b=ID}
+    w(b|<v1>)                                                         INIT: in: {b=D} out: {b=ID}
     jmp?(L2)                                                          INIT: in: {b=ID} out: {b=ID}
     d(fun local(x: Int) = x + b)                                                                      USE: in: {b=READ} out: {b=READ}
 L2:
     mark("after")
-    r("after")
+    r("after") -> <v2>
 L1:
   1 <END>                                                             INIT: in: {} out: {}
 error:
@@ -30,17 +30,18 @@ sink:
 fun local(x: Int) = x + b
 ---------------------
 L3:
-  3 <START>          INIT: in: {} out: {}
+  3 <START>                             INIT: in: {} out: {}
-    v(x: Int)        INIT: in: {} out: {x=D}
+    v(x: Int)                           INIT: in: {} out: {x=D}
-    w(x)             INIT: in: {x=D} out: {x=ID}
+    magic(x: Int) -> <v0>               INIT: in: {x=D} out: {x=D}
-    mark(x + b)      INIT: in: {x=ID} out: {x=ID}    USE: in: {b=READ, x=READ} out: {b=READ, x=READ}
+    w(x|<v0>)                           INIT: in: {x=D} out: {x=ID}
-    r(x)                                             USE: in: {b=READ} out: {b=READ, x=READ}
+    mark(x + b)                         INIT: in: {x=ID} out: {x=ID}    USE: in: {b=READ, x=READ} out: {b=READ, x=READ}
-    r(b)                                             USE: in: {} out: {b=READ}
+    r(x) -> <v1>                                                        USE: in: {b=READ} out: {b=READ, x=READ}
-    call(+, plus)
+    r(b) -> <v2>                                                        USE: in: {} out: {b=READ}
+    call(+, plus|<v1>, <v2>) -> <v3>
 L4:
     <END>
 error:
-    <ERROR>          INIT: in: {} out: {}
+    <ERROR>                             INIT: in: {} out: {}
 sink:
-    <SINK>           INIT: in: {x=ID} out: {x=ID}    USE: in: {} out: {}
+    <SINK>                              INIT: in: {x=ID} out: {x=ID}    USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/lexicalScopes/localObject.instructions

@@ -16,16 +16,16 @@ L0:
   1 <START>                                                                          INIT: in: {} out: {}
   2 mark({ "before" object A { { val a = 1 } fun foo() { val b = 2 } } "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
   3 mark({ val a = 1 })
     v(val a = 1)                                                                     INIT: in: {} out: {a=D}
-    r(1)                                                                             INIT: in: {a=D} out: {a=D}
+    r(1) -> <v1>                                                                     INIT: in: {a=D} out: {a=D}
-    w(a)                                                                             INIT: in: {a=D} out: {a=ID}
+    w(a|<v1>)                                                                        INIT: in: {a=D} out: {a=ID}
   2 jmp?(L2)                                                                         INIT: in: {} out: {}
     d(fun foo() { val b = 2 })
 L2:
     mark("after")
-    r("after")
+    r("after") -> <v2>
 L1:
   1 <END>
 error:
@@ -42,8 +42,8 @@ L3:
   3 <START>                INIT: in: {} out: {}
   4 mark({ val b = 2 })
     v(val b = 2)           INIT: in: {} out: {b=D}
-    r(2)                   INIT: in: {b=D} out: {b=D}
+    r(2) -> <v0>           INIT: in: {b=D} out: {b=D}
-    w(b)                   INIT: in: {b=D} out: {b=ID}
+    w(b|<v0>)              INIT: in: {b=D} out: {b=ID}
 L4:
   3 <END>                  INIT: in: {} out: {}
 error:

compiler/testData/cfg-variables/lexicalScopes/objectLiteralScope.instructions

@@ -16,20 +16,20 @@ L0:
   1 <START>                                                                                  INIT: in: {} out: {}
   2 mark({ "before" val bar = object { { val x = 1 } fun foo() { val a = 2 } } "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
     v(val bar = object { { val x = 1 } fun foo() { val a = 2 } })                            INIT: in: {} out: {bar=D}
     mark(object { { val x = 1 } fun foo() { val a = 2 } })                                   INIT: in: {bar=D} out: {bar=D}
   3 mark({ val x = 1 })
     v(val x = 1)                                                                             INIT: in: {bar=D} out: {bar=D, x=D}
-    r(1)                                                                                     INIT: in: {bar=D, x=D} out: {bar=D, x=D}
+    r(1) -> <v1>                                                                             INIT: in: {bar=D, x=D} out: {bar=D, x=D}
-    w(x)                                                                                     INIT: in: {bar=D, x=D} out: {bar=D, x=ID}
+    w(x|<v1>)                                                                                INIT: in: {bar=D, x=D} out: {bar=D, x=ID}
   2 jmp?(L2)                                                                                 INIT: in: {bar=D} out: {bar=D}
     d(fun foo() { val a = 2 })
 L2:
-    r(object { { val x = 1 } fun foo() { val a = 2 } })
+    r(object { { val x = 1 } fun foo() { val a = 2 } }) -> <v2>
-    w(bar)                                                                                   INIT: in: {bar=D} out: {bar=ID}
+    w(bar|<v2>)                                                                              INIT: in: {bar=D} out: {bar=ID}
     mark("after")                                                                            INIT: in: {bar=ID} out: {bar=ID}
-    r("after")
+    r("after") -> <v3>
 L1:
   1 <END>                                                                                    INIT: in: {} out: {}
 error:
@@ -46,8 +46,8 @@ L3:
   3 <START>                INIT: in: {} out: {}
   4 mark({ val a = 2 })
     v(val a = 2)           INIT: in: {} out: {a=D}
-    r(2)                   INIT: in: {a=D} out: {a=D}
+    r(2) -> <v0>           INIT: in: {a=D} out: {a=D}
-    w(a)                   INIT: in: {a=D} out: {a=ID}
+    w(a|<v0>)              INIT: in: {a=D} out: {a=ID}
 L4:
   3 <END>                  INIT: in: {} out: {}
 error:

compiler/testData/cfg-variables/lexicalScopes/propertyAccessorScope.instructions

@@ -36,8 +36,8 @@ get() {
 L3:
   3 <START>                INIT: in: {} out: {}
   4 mark({ return $a })                            USE: in: {a=READ} out: {a=READ}
-    r($a)                                          USE: in: {} out: {a=READ}
+    r($a) -> <v0>                                  USE: in: {} out: {a=READ}
-    ret(*) L4
+    ret(*|<v0>) L4
 L4:
   3 <END>
 error:
@@ -51,16 +51,17 @@ set(v: Int) {
           }
 ---------------------
 L6:
-  3 <START>             INIT: in: {} out: {}
+  3 <START>                  INIT: in: {} out: {}
-    v(v: Int)           INIT: in: {} out: {v=D}
+    v(v: Int)                INIT: in: {} out: {v=D}
-    w(v)                INIT: in: {v=D} out: {v=ID}
+    magic(v: Int) -> <v0>    INIT: in: {v=D} out: {v=D}
-  4 mark({ $a = v })    INIT: in: {v=ID} out: {v=ID}              USE: in: {a=ONLY_WRITTEN_NEVER_READ, v=READ} out: {a=ONLY_WRITTEN_NEVER_READ, v=READ}
+    w(v|<v0>)                INIT: in: {v=D} out: {v=ID}
-    r(v)                                                          USE: in: {a=ONLY_WRITTEN_NEVER_READ} out: {a=ONLY_WRITTEN_NEVER_READ, v=READ}
+  4 mark({ $a = v })         INIT: in: {v=ID} out: {v=ID}              USE: in: {a=ONLY_WRITTEN_NEVER_READ, v=READ} out: {a=ONLY_WRITTEN_NEVER_READ, v=READ}
-    w($a)               INIT: in: {v=ID} out: {a=I, v=ID}         USE: in: {} out: {a=ONLY_WRITTEN_NEVER_READ}
+    r(v) -> <v1>                                                       USE: in: {a=ONLY_WRITTEN_NEVER_READ} out: {a=ONLY_WRITTEN_NEVER_READ, v=READ}
+    w($a|<v1>)               INIT: in: {v=ID} out: {a=I, v=ID}         USE: in: {} out: {a=ONLY_WRITTEN_NEVER_READ}
 L7:
-  3 <END>               INIT: in: {a=I, v=ID} out: {a=I, v=ID}
+  3 <END>                    INIT: in: {a=I, v=ID} out: {a=I, v=ID}
 error:
-    <ERROR>             INIT: in: {} out: {}
+    <ERROR>                  INIT: in: {} out: {}
 sink:
-    <SINK>              INIT: in: {a=I, v=ID} out: {a=I, v=ID}    USE: in: {} out: {}
+    <SINK>                   INIT: in: {a=I, v=ID} out: {a=I, v=ID}    USE: in: {} out: {}
 =====================

compiler/testData/cfg-variables/lexicalScopes/tryScope.instructions

@@ -17,21 +17,22 @@ L0:
   1 <START>                                                                                              INIT: in: {} out: {}
   2 mark({ "before" try { foo() } catch (e: Exception) { val a = e } finally { val a = 1 } "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
     mark(try { foo() } catch (e: Exception) { val a = e } finally { val a = 1 })
     jmp?(L2 [onException])
     jmp?(L3 [onExceptionToFinallyBlock])
   3 mark({ foo() })
     mark(foo())
-    call(foo, foo)
+    call(foo, foo) -> <v1>
   2 jmp(L4 [afterCatches])                                                                                                                          USE: in: {} out: {}
 L2 [onException]:
   3 v(e: Exception)                                                                                      INIT: in: {} out: {e=D}
-    w(e)                                                                                                 INIT: in: {e=D} out: {e=ID}
+    magic(e: Exception) -> <v2>                                                                          INIT: in: {e=D} out: {e=D}
+    w(e|<v2>)                                                                                            INIT: in: {e=D} out: {e=ID}
   4 mark({ val a = e })                                                                                  INIT: in: {e=ID} out: {e=ID}
     v(val a = e)                                                                                         INIT: in: {e=ID} out: {a=D, e=ID}          USE: in: {e=READ} out: {e=READ}
-    r(e)                                                                                                 INIT: in: {a=D, e=ID} out: {a=D, e=ID}     USE: in: {} out: {e=READ}
+    r(e) -> <v3>                                                                                         INIT: in: {a=D, e=ID} out: {a=D, e=ID}     USE: in: {} out: {e=READ}
-    w(a)                                                                                                 INIT: in: {a=D, e=ID} out: {a=ID, e=ID}
+    w(a|<v3>)                                                                                            INIT: in: {a=D, e=ID} out: {a=ID, e=ID}
   3 jmp(L4 [afterCatches])                                                                               INIT: in: {e=ID} out: {e=ID}
 L4 [afterCatches]:
   2 jmp(L5 [skipFinallyToErrorBlock])                                                                    INIT: in: {} out: {}
@@ -39,17 +40,17 @@ L3 [onExceptionToFinallyBlock]:
 L6 [start finally]:
   3 mark({ val a = 1 })
     v(val a = 1)                                                                                         INIT: in: {} out: {a=D}
-    r(1)                                                                                                 INIT: in: {a=D} out: {a=D}
+    r(1) -> <v4>                                                                                         INIT: in: {a=D} out: {a=D}
-    w(a)                                                                                                 INIT: in: {a=D} out: {a=ID}
+    w(a|<v4>)                                                                                            INIT: in: {a=D} out: {a=ID}
 L7 [finish finally]:
   2 jmp(error)                                                                                           INIT: in: {} out: {}
 L5 [skipFinallyToErrorBlock]:
   3 mark({ val a = 1 })
     v(val a = 1)                                                                                         INIT: in: {} out: {a=D}
-    r(1)                                                                                                 INIT: in: {a=D} out: {a=D}
+    r(1) -> <v4>                                                                                         INIT: in: {a=D} out: {a=D}
-    w(a)                                                                                                 INIT: in: {a=D} out: {a=ID}
+    w(a|<v4>)                                                                                            INIT: in: {a=D} out: {a=ID}
   2 mark("after")                                                                                        INIT: in: {} out: {}
-    r("after")
+    r("after") -> <v5>
 L1:
   1 <END>
 error:

compiler/testData/cfg-variables/lexicalScopes/whileScope.instructions

@@ -11,11 +11,11 @@ L0:
   1 <START>                                                   INIT: in: {} out: {}
   2 mark({ "before" while (true) { val a: Int } "after" })
     mark("before")
-    r("before")
+    r("before") -> <v0>
     mark(while (true) { val a: Int })
 L2 [loop entry point]:
 L5 [condition entry point]:
-    r(true)
+    r(true) -> <v1>
 L4 [body entry point]:
   3 mark({ val a: Int })
     v(val a: Int)                                             INIT: in: {} out: {a=D}
@@ -23,7 +23,7 @@ L4 [body entry point]:
 L3 [loop exit point]:
 -   read (Unit)
 -   mark("after")
--   r("after")
+-   r("after") -> <v2>
 L1:
   1 <END>                                                     INIT: in: {} out: {}
 error:

compiler/testData/cfg/arrays/ArrayAccess.instructions

@@ -14,32 +14,30 @@ L0:
   2 mark({ val a = Array<Int> 3 a[10] = 4 2 a[10] 100 a[10] += 1 })
     v(val a = Array<Int>)
     mark(Array<Int>)
-    call(Array, <init>)
+    call(Array, <init>) -> <v0>
-    w(a)
+    w(a|<v0>)
-    r(3)
+    r(3) -> <v1>
     mark(a[10])
-    r(a)
+    r(a) -> <v2>
-    r(10)
+    r(10) -> <v3>
-    r(4)
+    r(4) -> <v4>
-    call(a[10], set)
+    call(a[10] = 4, set|<v2>, <v3>, <v4>) -> <v5>
-    r(2)
+    r(2) -> <v6>
     mark(a[10])
-    r(a)
+    r(a) -> <v7>
-    r(10)
+    r(10) -> <v8>
-    call(a[10], get)
+    call(a[10], get|<v7>, <v8>) -> <v9>
-    r(100)
+    r(100) -> <v10>
     mark(a[10] += 1)
     mark(a[10])
-    r(a)
+    r(a) -> <v11>
-    r(10)
+    r(10) -> <v12>
-    call(a[10], get)
+    call(a[10], get|<v11>, <v12>) -> <v13>
-    r(1)
+    r(1) -> <v14>
-    call(+=, plus)
+    call(+=, plus|<v13>, <v14>) -> <v15>
-    mark(a[10])
+    r(a) -> <v16>
-    r(a)
+    r(10) -> <v17>
-    r(10)
+    call(a[10] += 1, set|<v16>, <v17>, <v15>) -> <v18>
-    r(1)
-    call(a[10], set)
 L1:
   1 <END>                                                              NEXT:[<SINK>]
 error:

compiler/testData/cfg/arrays/ArrayOfFunctions.instructions

@@ -6,19 +6,20 @@ fun test(array: Array<(Int)->Unit>) {
 L0:
   1 <START>
     v(array: Array<(Int)->Unit>)
-    w(array)
+    magic(array: Array<(Int)->Unit>) -> <v0>
+    w(array|<v0>)
   2 mark({ array[11](3) })
     mark(array[11](3))
     mark(array[11])
-    r(array)
+    r(array) -> <v1>
-    r(11)
+    r(11) -> <v2>
-    call(array[11], get)
+    call(array[11], get|<v1>, <v2>) -> <v3>
-    r(3)
+    r(3) -> <v4>
-    call(array[11], invoke)
+    call(array[11], invoke|<v3>, <v4>) -> <v5>
 L1:
-  1 <END>                           NEXT:[<SINK>]
+  1 <END>                                         NEXT:[<SINK>]
 error:
-    <ERROR>                         PREV:[]
+    <ERROR>                                       PREV:[]
 sink:
-    <SINK>                          PREV:[<ERROR>, <END>]
+    <SINK>                                        PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/arrays/arrayAccessExpression.instructions

@@ -32,19 +32,20 @@ fun test(ab: Ab) {
 L0:
   1 <START>
     v(ab: Ab)
-    w(ab)
+    magic(ab: Ab) -> <v0>
+    w(ab|<v0>)
   2 mark({ ab.getArray()[1] })
     mark(ab.getArray()[1])
     mark(ab.getArray())
     mark(getArray())
-    r(ab)
+    r(ab) -> <v1>
-    call(getArray, getArray)
+    call(getArray, getArray|<v1>) -> <v2>
-    r(1)
+    r(1) -> <v3>
-    call(ab.getArray()[1], get)
+    call(ab.getArray()[1], get|<v2>, <v3>) -> <v4>
 L1:
-  1 <END>                          NEXT:[<SINK>]
+  1 <END>                                             NEXT:[<SINK>]
 error:
-    <ERROR>                        PREV:[]
+    <ERROR>                                           PREV:[]
 sink:
-    <SINK>                         PREV:[<ERROR>, <END>]
+    <SINK>                                            PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/arrays/arrayInc.instructions

@@ -0,0 +1,27 @@
+== foo ==
+fun foo(a: Array<Int>) {
+    a[0]++
+}
+---------------------
+L0:
+  1 <START>
+    v(a: Array<Int>)
+    magic(a: Array<Int>) -> <v0>
+    w(a|<v0>)
+  2 mark({ a[0]++ })
+    mark(a[0]++)
+    mark(a[0])
+    r(a) -> <v1>
+    r(0) -> <v2>
+    call(a[0], get|<v1>, <v2>) -> <v3>
+    call(++, inc|<v3>) -> <v4>
+    r(a) -> <v5>
+    r(0) -> <v6>
+    call(a[0]++, set|<v5>, <v6>, <v4>) -> <v7>
+L1:
+  1 <END>                                         NEXT:[<SINK>]
+error:
+    <ERROR>                                       PREV:[]
+sink:
+    <SINK>                                        PREV:[<ERROR>, <END>]
+=====================

compiler/testData/cfg/arrays/arrayInc.kt

@@ -0,0 +1,3 @@
+fun foo(a: Array<Int>) {
+    a[0]++
+}

compiler/testData/cfg/arrays/arraySet.instructions

@@ -6,17 +6,18 @@ fun foo(a: Array<Int>) {
 L0:
   1 <START>
     v(a: Array<Int>)
-    w(a)
+    magic(a: Array<Int>) -> <v0>
+    w(a|<v0>)
   2 mark({ a[1] = 2 })
     mark(a[1])
-    r(a)
+    r(a) -> <v1>
-    r(1)
+    r(1) -> <v2>
-    r(2)
+    r(2) -> <v3>
-    call(a[1], set)
+    call(a[1] = 2, set|<v1>, <v2>, <v3>) -> <v4>
 L1:
-  1 <END>                 NEXT:[<SINK>]
+  1 <END>                                           NEXT:[<SINK>]
 error:
-    <ERROR>               PREV:[]
+    <ERROR>                                         PREV:[]
 sink:
-    <SINK>                PREV:[<ERROR>, <END>]
+    <SINK>                                          PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/arrays/arraySetPlusAssign.instructions

@@ -6,24 +6,23 @@ fun foo(a: Array<Int>) {
 L0:
   1 <START>
     v(a: Array<Int>)
-    w(a)
+    magic(a: Array<Int>) -> <v0>
+    w(a|<v0>)
   2 mark({ a[0] += 1 })
     mark(a[0] += 1)
     mark(a[0])
-    r(a)
+    r(a) -> <v1>
-    r(0)
+    r(0) -> <v2>
-    call(a[0], get)
+    call(a[0], get|<v1>, <v2>) -> <v3>
-    r(1)
+    r(1) -> <v4>
-    call(+=, plus)
+    call(+=, plus|<v3>, <v4>) -> <v5>
-    mark(a[0])
+    r(a) -> <v6>
-    r(a)
+    r(0) -> <v7>
-    r(0)
+    call(a[0] += 1, set|<v6>, <v7>, <v5>) -> <v8>
-    r(1)
-    call(a[0], set)
 L1:
-  1 <END>                  NEXT:[<SINK>]
+  1 <END>                                            NEXT:[<SINK>]
 error:
-    <ERROR>                PREV:[]
+    <ERROR>                                          PREV:[]
 sink:
-    <SINK>                 PREV:[<ERROR>, <END>]
+    <SINK>                                           PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/basic/Basic.instructions

@@ -20,50 +20,51 @@ fun f(a : Boolean) : Unit {
 L0:
   1 <START>
     v(a : Boolean)
-    w(a)
+    magic(a : Boolean) -> <v0>
+    w(a|<v0>)
   2 mark({ 1 a 2.toLong() foo(a, 3) genfun<Any>() flfun {1} 3.equals(4) 3 equals 4 1 + 2 a && true a || false })
-    r(1)
+    r(1) -> <v1>
-    r(a)
+    r(a) -> <v2>
     mark(2.toLong())
     mark(toLong())
-    r(2)
+    r(2) -> <v3>
-    call(toLong, toLong)
+    call(toLong, toLong|<v3>) -> <v4>
     mark(foo(a, 3))
-    r(a)
+    r(a) -> <v5>
-    r(3)
+    r(3) -> <v6>
-    call(foo, foo)
+    call(foo, foo|<v5>, <v6>) -> <v7>
     mark(genfun<Any>())
-    call(genfun, genfun)
+    call(genfun, genfun) -> <v8>
     mark(flfun {1})
     mark({1})
-    jmp?(L2)                                                                                                        NEXT:[r({1}), d({1})]
+    jmp?(L2)                                                                                                        NEXT:[r({1}) -> <v9>, d({1})]
     d({1})                                                                                                          NEXT:[<SINK>]
 L2:
-    r({1})                                                                                                          PREV:[jmp?(L2)]
+    r({1}) -> <v9>                                                                                                  PREV:[jmp?(L2)]
-    call(flfun, flfun)
+    call(flfun, flfun|<v9>) -> <v10>
     mark(3.equals(4))
     mark(equals(4))
-    r(3)
+    r(3) -> <v11>
-    r(4)
+    r(4) -> <v12>
-    call(equals, equals)
+    call(equals, equals|<v11>, <v12>) -> <v13>
     mark(3 equals 4)
-    r(3)
+    r(3) -> <v14>
-    r(4)
+    r(4) -> <v15>
-    call(equals, equals)
+    call(equals, equals|<v14>, <v15>) -> <v16>
     mark(1 + 2)
-    r(1)
+    r(1) -> <v17>
-    r(2)
+    r(2) -> <v18>
-    call(+, plus)
+    call(+, plus|<v17>, <v18>) -> <v19>
-    r(a)
+    r(a) -> <v20>
-    jf(L5)                                                                                                          NEXT:[r(a && true), r(true)]
+    jf(L5|<v20>)                                                                                                    NEXT:[magic(a && true|<v20>, <v21>) -> <v22>, r(true) -> <v21>]
-    r(true)
+    r(true) -> <v21>
 L5:
-    r(a && true)                                                                                                    PREV:[jf(L5), r(true)]
+    magic(a && true|<v20>, <v21>) -> <v22>                                                                          PREV:[jf(L5|<v20>), r(true) -> <v21>]
-    r(a)
+    r(a) -> <v23>
-    jt(L6)                                                                                                          NEXT:[r(false), r(a || false)]
+    jt(L6|<v23>)                                                                                                    NEXT:[r(false) -> <v24>, magic(a || false|<v23>, <v24>) -> <v25>]
-    r(false)
+    r(false) -> <v24>
 L6:
-    r(a || false)                                                                                                   PREV:[jt(L6), r(false)]
+    magic(a || false|<v23>, <v24>) -> <v25>                                                                         PREV:[jt(L6|<v23>), r(false) -> <v24>]
 L1:
   1 <END>                                                                                                           NEXT:[<SINK>]
 error:
@@ -77,13 +78,13 @@ sink:
 L3:
   3 <START>
   4 mark(1)
-    r(1)
+    r(1) -> <v0>
 L4:
-  3 <END>      NEXT:[<SINK>]
+  3 <END>           NEXT:[<SINK>]
 error:
-    <ERROR>    PREV:[]
+    <ERROR>         PREV:[]
 sink:
-    <SINK>     PREV:[<ERROR>, <END>]
+    <SINK>          PREV:[<ERROR>, <END>]
 =====================
 == foo ==
 fun foo(a : Boolean, b : Int) : Unit {}
@@ -91,17 +92,19 @@ fun foo(a : Boolean, b : Int) : Unit {}
 L0:
   1 <START>
     v(a : Boolean)
-    w(a)
+    magic(a : Boolean) -> <v0>
+    w(a|<v0>)
     v(b : Int)
-    w(b)
+    magic(b : Int) -> <v1>
+    w(b|<v1>)
   2 mark({})
     read (Unit)
 L1:
-  1 <END>             NEXT:[<SINK>]
+  1 <END>                         NEXT:[<SINK>]
 error:
-    <ERROR>           PREV:[]
+    <ERROR>                       PREV:[]
 sink:
-    <SINK>            PREV:[<ERROR>, <END>]
+    <SINK>                        PREV:[<ERROR>, <END>]
 =====================
 == genfun ==
 fun genfun<T>() : Unit {}
@@ -123,13 +126,14 @@ fun flfun(f : () -> Any) : Unit {}
 L0:
   1 <START>
     v(f : () -> Any)
-    w(f)
+    magic(f : () -> Any) -> <v0>
+    w(f|<v0>)
   2 mark({})
     read (Unit)
 L1:
-  1 <END>               NEXT:[<SINK>]
+  1 <END>                           NEXT:[<SINK>]
 error:
-    <ERROR>             PREV:[]
+    <ERROR>                         PREV:[]
 sink:
-    <SINK>              PREV:[<ERROR>, <END>]
+    <SINK>                          PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/basic/ShortFunction.instructions

@@ -3,11 +3,11 @@ fun short() = 1
 ---------------------
 L0:
   1 <START>
-    r(1)
+    r(1) -> <v0>
 L1:
-    <END>      NEXT:[<SINK>]
+    <END>           NEXT:[<SINK>]
 error:
-    <ERROR>    PREV:[]
+    <ERROR>         PREV:[]
 sink:
-    <SINK>     PREV:[<ERROR>, <END>]
+    <SINK>          PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/bugs/jumpToOuterScope.instructions

@@ -10,23 +10,25 @@ fun foo(c: Collection<Int>) {
 L0:
   1 <START>
     v(c: Collection<Int>)
-    w(c)
+    magic(c: Collection<Int>) -> <v0>
+    w(c|<v0>)
   2 mark({ for (e in c) { { break } } })
   3 mark(for (e in c) { { break } })
-    r(c)
+    r(c) -> <v1>
     v(e)
 L3:
-    jmp?(L2)                                NEXT:[read (Unit), w(e)]
+    jmp?(L2)                                NEXT:[read (Unit), magic(c|<v1>) -> <v2>]
 L4 [loop entry point]:
 L5 [body entry point]:
-    w(e)                                    PREV:[jmp?(L2), jmp?(L4 [loop entry point])]
+    magic(c|<v1>) -> <v2>                   PREV:[jmp?(L2), jmp?(L4 [loop entry point])]
+    w(e|<v2>)
   4 mark({ { break } })
     mark({ break })
-    jmp?(L6)                                NEXT:[r({ break }), d({ break })]
+    jmp?(L6)                                NEXT:[r({ break }) -> <v3>, d({ break })]
     d({ break })                            NEXT:[<SINK>]
 L6:
-    r({ break })                            PREV:[jmp?(L6)]
+    r({ break }) -> <v3>                    PREV:[jmp?(L6)]
-  3 jmp?(L4 [loop entry point])             NEXT:[w(e), read (Unit)]
+  3 jmp?(L4 [loop entry point])             NEXT:[magic(c|<v1>) -> <v2>, read (Unit)]
 L2:
     read (Unit)                             PREV:[jmp?(L2), jmp(L2), jmp?(L4 [loop entry point])]
 L1:

compiler/testData/cfg/controlStructures/Finally.instructions

@@ -13,17 +13,17 @@ L0:
     mark(try { 1 } finally { 2 })
     jmp?(L2 [onExceptionToFinallyBlock])    NEXT:[mark({ 2 }), mark({ 1 })]
   3 mark({ 1 })
-    r(1)
+    r(1) -> <v0>
   2 jmp(L3 [skipFinallyToErrorBlock])       NEXT:[mark({ 2 })]
 L2 [onExceptionToFinallyBlock]:
 L4 [start finally]:
   3 mark({ 2 })                             PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v1>
 L5 [finish finally]:
   2 jmp(error)                              NEXT:[<ERROR>]
 L3 [skipFinallyToErrorBlock]:
   3 mark({ 2 })                             PREV:[jmp(L3 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v1>
 L1:
   1 <END>                                   NEXT:[<SINK>]
 error:
@@ -49,33 +49,33 @@ L0:
     mark(try { 1 if (2 > 3) { return } } finally { 2 })
     jmp?(L2 [onExceptionToFinallyBlock])                       NEXT:[mark({ 2 }), mark({ 1 if (2 > 3) { return } })]
   3 mark({ 1 if (2 > 3) { return } })
-    r(1)
+    r(1) -> <v0>
     mark(if (2 > 3) { return })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v1>
-    r(3)
+    r(3) -> <v2>
-    call(>, compareTo)
+    call(>, compareTo|<v1>, <v2>) -> <v3>
-    jf(L3)                                                     NEXT:[read (Unit), mark({ return })]
+    jf(L3|<v3>)                                                NEXT:[read (Unit), mark({ return })]
   4 mark({ return })
 L4 [start finally]:
   5 mark({ 2 })
-    r(2)
+    r(2) -> <v4>
 L5 [finish finally]:
   4 ret L1                                                     NEXT:[<END>]
 - 3 jmp(L6)                                                    NEXT:[jmp(L7 [skipFinallyToErrorBlock])]                          PREV:[]
 L3:
-    read (Unit)                                                PREV:[jf(L3)]
+    read (Unit)                                                PREV:[jf(L3|<v3>)]
 L6:
   2 jmp(L7 [skipFinallyToErrorBlock])                          NEXT:[mark({ 2 })]
 L2 [onExceptionToFinallyBlock]:
   5 mark({ 2 })                                                PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v4>
   2 jmp(error)                                                 NEXT:[<ERROR>]
 L7 [skipFinallyToErrorBlock]:
   5 mark({ 2 })                                                PREV:[jmp(L7 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v4>
 L1:
-  1 <END>                                                      NEXT:[<SINK>]                                                     PREV:[ret L1, r(2)]
+  1 <END>                                                      NEXT:[<SINK>]                                                     PREV:[ret L1, r(2) -> <v4>]
 error:
     <ERROR>                                                    PREV:[jmp(error)]
 sink:
@@ -101,23 +101,23 @@ L0:
     mark(try { 1 @l{ () -> if (2 > 3) { return@l } } } finally { 2 })
     jmp?(L2 [onExceptionToFinallyBlock])                                     NEXT:[mark({ 2 }), mark({ 1 @l{ () -> if (2 > 3) { return@l } } })]
   3 mark({ 1 @l{ () -> if (2 > 3) { return@l } } })
-    r(1)
+    r(1) -> <v0>
     mark(@l{ () -> if (2 > 3) { return@l } })
     mark({ () -> if (2 > 3) { return@l } })
-    jmp?(L3)                                                                 NEXT:[r({ () -> if (2 > 3) { return@l } }), d({ () -> if (2 > 3) { return@l } })]
+    jmp?(L3)                                                                 NEXT:[r({ () -> if (2 > 3) { return@l } }) -> <v1>, d({ () -> if (2 > 3) { return@l } })]
     d({ () -> if (2 > 3) { return@l } })                                     NEXT:[<SINK>]
 L3:
-    r({ () -> if (2 > 3) { return@l } })                                     PREV:[jmp?(L3)]
+    r({ () -> if (2 > 3) { return@l } }) -> <v1>                             PREV:[jmp?(L3)]
   2 jmp(L8 [skipFinallyToErrorBlock])                                        NEXT:[mark({ 2 })]
 L2 [onExceptionToFinallyBlock]:
 L9 [start finally]:
   3 mark({ 2 })                                                              PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v2>
 L10 [finish finally]:
   2 jmp(error)                                                               NEXT:[<ERROR>]
 L8 [skipFinallyToErrorBlock]:
   3 mark({ 2 })                                                              PREV:[jmp(L8 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v2>
 L1:
   1 <END>                                                                    NEXT:[<SINK>]
 error:
@@ -137,22 +137,22 @@ L4:
   5 mark(if (2 > 3) { return@l })
     mark(if (2 > 3) { return@l })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v0>
-    r(3)
+    r(3) -> <v1>
-    call(>, compareTo)
+    call(>, compareTo|<v0>, <v1>) -> <v2>
-    jf(L6)                           NEXT:[read (Unit), mark({ return@l })]
+    jf(L6|<v2>)                              NEXT:[read (Unit), mark({ return@l })]
   6 mark({ return@l })
-    ret L5                           NEXT:[<END>]
+    ret L5                                   NEXT:[<END>]
-- 5 jmp(L7)                          NEXT:[<END>]                              PREV:[]
+- 5 jmp(L7)                                  NEXT:[<END>]                                    PREV:[]
 L6:
-    read (Unit)                      PREV:[jf(L6)]
+    read (Unit)                              PREV:[jf(L6|<v2>)]
 L5:
 L7:
-  4 <END>                            NEXT:[<SINK>]                             PREV:[ret L5, read (Unit)]
+  4 <END>                                    NEXT:[<SINK>]                                   PREV:[ret L5, read (Unit)]
 error:
-    <ERROR>                          PREV:[]
+    <ERROR>                                  PREV:[]
 sink:
-    <SINK>                           PREV:[<ERROR>, <END>]
+    <SINK>                                   PREV:[<ERROR>, <END>]
 =====================
 == t4 ==
 fun t4() {
@@ -173,10 +173,10 @@ L0:
   2 mark({ @l{ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } } })
     mark(@l{ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } })
     mark({ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } })
-    jmp?(L2)                                                                 NEXT:[r({ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } }), d({ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } })]
+    jmp?(L2)                                                                 NEXT:[r({ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } }) -> <v0>, d({ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } })]
     d({ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } })             NEXT:[<SINK>]
 L2:
-    r({ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } })             PREV:[jmp?(L2)]
+    r({ () -> try { 1 if (2 > 3) { return@l } } finally { 2 } }) -> <v0>     PREV:[jmp?(L2)]
 L1:
   1 <END>                                                                    NEXT:[<SINK>]
 error:
@@ -202,33 +202,33 @@ L3:
     mark(try { 1 if (2 > 3) { return@l } } finally { 2 })
     jmp?(L5 [onExceptionToFinallyBlock])                     NEXT:[mark({ 2 }), mark({ 1 if (2 > 3) { return@l } })]
   5 mark({ 1 if (2 > 3) { return@l } })
-    r(1)
+    r(1) -> <v0>
     mark(if (2 > 3) { return@l })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v1>
-    r(3)
+    r(3) -> <v2>
-    call(>, compareTo)
+    call(>, compareTo|<v1>, <v2>) -> <v3>
-    jf(L6)                                                   NEXT:[read (Unit), mark({ return@l })]
+    jf(L6|<v3>)                                              NEXT:[read (Unit), mark({ return@l })]
   6 mark({ return@l })
 L7 [start finally]:
   7 mark({ 2 })
-    r(2)
+    r(2) -> <v4>
 L8 [finish finally]:
   6 ret L4                                                   NEXT:[<END>]
 - 5 jmp(L9)                                                  NEXT:[jmp(L10 [skipFinallyToErrorBlock])]                       PREV:[]
 L6:
-    read (Unit)                                              PREV:[jf(L6)]
+    read (Unit)                                              PREV:[jf(L6|<v3>)]
 L9:
   4 jmp(L10 [skipFinallyToErrorBlock])                       NEXT:[mark({ 2 })]
 L5 [onExceptionToFinallyBlock]:
   7 mark({ 2 })                                              PREV:[jmp?(L5 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v4>
   4 jmp(error)                                               NEXT:[<ERROR>]
 L10 [skipFinallyToErrorBlock]:
   7 mark({ 2 })                                              PREV:[jmp(L10 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v4>
 L4:
-  3 <END>                                                    NEXT:[<SINK>]                                                   PREV:[ret L4, r(2)]
+  3 <END>                                                    NEXT:[<SINK>]                                                   PREV:[ret L4, r(2) -> <v4>]
 error:
     <ERROR>                                                  PREV:[jmp(error)]
 sink:
@@ -255,38 +255,38 @@ L0:
     mark(while(true) { try { 1 if (2 > 3) { break @l } } finally { 2 } })
 L2 [loop entry point]:
 L5 [condition entry point]:
-    r(true)                                                                         PREV:[mark(while(true) { try { 1 if (2 > 3) { break @l } } finally { 2 } }), jmp(L2 [loop entry point])]
+    r(true) -> <v0>                                                                 PREV:[mark(while(true) { try { 1 if (2 > 3) { break @l } } finally { 2 } }), jmp(L2 [loop entry point])]
 L4 [body entry point]:
   3 mark({ try { 1 if (2 > 3) { break @l } } finally { 2 } })
     mark(try { 1 if (2 > 3) { break @l } } finally { 2 })
     jmp?(L6 [onExceptionToFinallyBlock])                                            NEXT:[mark({ 2 }), mark({ 1 if (2 > 3) { break @l } })]
   4 mark({ 1 if (2 > 3) { break @l } })
-    r(1)
+    r(1) -> <v1>
     mark(if (2 > 3) { break @l })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v2>
-    r(3)
+    r(3) -> <v3>
-    call(>, compareTo)
+    call(>, compareTo|<v2>, <v3>) -> <v4>
-    jf(L7)                                                                          NEXT:[read (Unit), mark({ break @l })]
+    jf(L7|<v4>)                                                                     NEXT:[read (Unit), mark({ break @l })]
   5 mark({ break @l })
 L8 [start finally]:
   6 mark({ 2 })
-    r(2)
+    r(2) -> <v5>
 L9 [finish finally]:
   5 jmp(L3 [loop exit point])                                                       NEXT:[read (Unit)]
 - 4 jmp(L10)                                                                        NEXT:[jmp(L11 [skipFinallyToErrorBlock])]                                              PREV:[]
 L7:
-    read (Unit)                                                                     PREV:[jf(L7)]
+    read (Unit)                                                                     PREV:[jf(L7|<v4>)]
 L10:
   3 jmp(L11 [skipFinallyToErrorBlock])                                              NEXT:[mark({ 2 })]
 L6 [onExceptionToFinallyBlock]:
   6 mark({ 2 })                                                                     PREV:[jmp?(L6 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v5>
   3 jmp(error)                                                                      NEXT:[<ERROR>]
 L11 [skipFinallyToErrorBlock]:
   6 mark({ 2 })                                                                     PREV:[jmp(L11 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v5>
-  2 jmp(L2 [loop entry point])                                                      NEXT:[r(true)]
+  2 jmp(L2 [loop entry point])                                                      NEXT:[r(true) -> <v0>]
 L3 [loop exit point]:
     read (Unit)                                                                     PREV:[jmp(L3 [loop exit point])]
 L1:
@@ -321,36 +321,36 @@ L0:
     mark(while(true) { 1 if (2 > 3) { break @l } })
 L3 [loop entry point]:
 L6 [condition entry point]:
-    r(true)                                                                           PREV:[mark(while(true) { 1 if (2 > 3) { break @l } }), jmp(L3 [loop entry point])]
+    r(true) -> <v0>                                                                   PREV:[mark(while(true) { 1 if (2 > 3) { break @l } }), jmp(L3 [loop entry point])]
 L5 [body entry point]:
   4 mark({ 1 if (2 > 3) { break @l } })
-    r(1)
+    r(1) -> <v1>
     mark(if (2 > 3) { break @l })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v2>
-    r(3)
+    r(3) -> <v3>
-    call(>, compareTo)
+    call(>, compareTo|<v2>, <v3>) -> <v4>
-    jf(L7)                                                                            NEXT:[read (Unit), mark({ break @l })]
+    jf(L7|<v4>)                                                                       NEXT:[read (Unit), mark({ break @l })]
   5 mark({ break @l })
     jmp(L4 [loop exit point])                                                         NEXT:[read (Unit)]
 - 4 jmp(L8)                                                                           NEXT:[jmp(L3 [loop entry point])]                                                        PREV:[]
 L7:
-    read (Unit)                                                                       PREV:[jf(L7)]
+    read (Unit)                                                                       PREV:[jf(L7|<v4>)]
 L8:
-  3 jmp(L3 [loop entry point])                                                        NEXT:[r(true)]
+  3 jmp(L3 [loop entry point])                                                        NEXT:[r(true) -> <v0>]
 L4 [loop exit point]:
     read (Unit)                                                                       PREV:[jmp(L4 [loop exit point])]
-    r(5)
+    r(5) -> <v5>
   2 jmp(L9 [skipFinallyToErrorBlock])                                                 NEXT:[mark({ 2 })]
 L2 [onExceptionToFinallyBlock]:
 L10 [start finally]:
   3 mark({ 2 })                                                                       PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v6>
 L11 [finish finally]:
   2 jmp(error)                                                                        NEXT:[<ERROR>]
 L9 [skipFinallyToErrorBlock]:
   3 mark({ 2 })                                                                       PREV:[jmp(L9 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v6>
 L1:
   1 <END>                                                                             NEXT:[<SINK>]
 error:
@@ -382,35 +382,35 @@ L0:
     mark(while(true) { 1 if (2 > 3) { break @l } })
 L3 [loop entry point]:
 L6 [condition entry point]:
-    r(true)                                                                         PREV:[mark(while(true) { 1 if (2 > 3) { break @l } }), jmp(L3 [loop entry point])]
+    r(true) -> <v0>                                                                 PREV:[mark(while(true) { 1 if (2 > 3) { break @l } }), jmp(L3 [loop entry point])]
 L5 [body entry point]:
   4 mark({ 1 if (2 > 3) { break @l } })
-    r(1)
+    r(1) -> <v1>
     mark(if (2 > 3) { break @l })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v2>
-    r(3)
+    r(3) -> <v3>
-    call(>, compareTo)
+    call(>, compareTo|<v2>, <v3>) -> <v4>
-    jf(L7)                                                                          NEXT:[read (Unit), mark({ break @l })]
+    jf(L7|<v4>)                                                                     NEXT:[read (Unit), mark({ break @l })]
   5 mark({ break @l })
     jmp(L4 [loop exit point])                                                       NEXT:[read (Unit)]
 - 4 jmp(L8)                                                                         NEXT:[jmp(L3 [loop entry point])]                                                      PREV:[]
 L7:
-    read (Unit)                                                                     PREV:[jf(L7)]
+    read (Unit)                                                                     PREV:[jf(L7|<v4>)]
 L8:
-  3 jmp(L3 [loop entry point])                                                      NEXT:[r(true)]
+  3 jmp(L3 [loop entry point])                                                      NEXT:[r(true) -> <v0>]
 L4 [loop exit point]:
     read (Unit)                                                                     PREV:[jmp(L4 [loop exit point])]
   2 jmp(L9 [skipFinallyToErrorBlock])                                               NEXT:[mark({ 2 })]
 L2 [onExceptionToFinallyBlock]:
 L10 [start finally]:
   3 mark({ 2 })                                                                     PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v5>
 L11 [finish finally]:
   2 jmp(error)                                                                      NEXT:[<ERROR>]
 L9 [skipFinallyToErrorBlock]:
   3 mark({ 2 })                                                                     PREV:[jmp(L9 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v5>
 L1:
   1 <END>                                                                           NEXT:[<SINK>]
 error:
@@ -435,50 +435,52 @@ fun t8(a : Int) {
 L0:
   1 <START>
     v(a : Int)
-    w(a)
+    magic(a : Int) -> <v0>
+    w(a|<v0>)
   2 mark({ @l for (i in 1..a) { try { 1 if (2 > 3) { continue @l } } finally { 2 } } })
     mark(@l for (i in 1..a) { try { 1 if (2 > 3) { continue @l } } finally { 2 } })
   3 mark(for (i in 1..a) { try { 1 if (2 > 3) { continue @l } } finally { 2 } })
     mark(1..a)
-    r(1)
+    r(1) -> <v1>
-    r(a)
+    r(a) -> <v2>
-    call(.., rangeTo)
+    call(.., rangeTo|<v1>, <v2>) -> <v3>
     v(i)
 L3:
-    jmp?(L2)                                                                               NEXT:[read (Unit), w(i)]
+    jmp?(L2)                                                                               NEXT:[read (Unit), magic(1..a|<v3>) -> <v4>]
 L4 [loop entry point]:
 L5 [body entry point]:
-    w(i)                                                                                   PREV:[jmp?(L2), jmp(L4 [loop entry point]), jmp?(L4 [loop entry point])]
+    magic(1..a|<v3>) -> <v4>                                                               PREV:[jmp?(L2), jmp(L4 [loop entry point]), jmp?(L4 [loop entry point])]
+    w(i|<v4>)
   4 mark({ try { 1 if (2 > 3) { continue @l } } finally { 2 } })
     mark(try { 1 if (2 > 3) { continue @l } } finally { 2 })
     jmp?(L6 [onExceptionToFinallyBlock])                                                   NEXT:[mark({ 2 }), mark({ 1 if (2 > 3) { continue @l } })]
   5 mark({ 1 if (2 > 3) { continue @l } })
-    r(1)
+    r(1) -> <v5>
     mark(if (2 > 3) { continue @l })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v6>
-    r(3)
+    r(3) -> <v7>
-    call(>, compareTo)
+    call(>, compareTo|<v6>, <v7>) -> <v8>
-    jf(L7)                                                                                 NEXT:[read (Unit), mark({ continue @l })]
+    jf(L7|<v8>)                                                                            NEXT:[read (Unit), mark({ continue @l })]
   6 mark({ continue @l })
 L8 [start finally]:
   7 mark({ 2 })
-    r(2)
+    r(2) -> <v9>
 L9 [finish finally]:
-  6 jmp(L4 [loop entry point])                                                             NEXT:[w(i)]
+  6 jmp(L4 [loop entry point])                                                             NEXT:[magic(1..a|<v3>) -> <v4>]
 - 5 jmp(L10)                                                                               NEXT:[jmp(L11 [skipFinallyToErrorBlock])]                                                     PREV:[]
 L7:
-    read (Unit)                                                                            PREV:[jf(L7)]
+    read (Unit)                                                                            PREV:[jf(L7|<v8>)]
 L10:
   4 jmp(L11 [skipFinallyToErrorBlock])                                                     NEXT:[mark({ 2 })]
 L6 [onExceptionToFinallyBlock]:
   7 mark({ 2 })                                                                            PREV:[jmp?(L6 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v9>
   4 jmp(error)                                                                             NEXT:[<ERROR>]
 L11 [skipFinallyToErrorBlock]:
   7 mark({ 2 })                                                                            PREV:[jmp(L11 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v9>
-  3 jmp?(L4 [loop entry point])                                                            NEXT:[w(i), read (Unit)]
+  3 jmp?(L4 [loop entry point])                                                            NEXT:[magic(1..a|<v3>) -> <v4>, read (Unit)]
 L2:
     read (Unit)                                                                            PREV:[jmp?(L2), jmp?(L4 [loop entry point])]
 L1:
@@ -506,7 +508,8 @@ fun t9(a : Int) {
 L0:
   1 <START>
     v(a : Int)
-    w(a)
+    magic(a : Int) -> <v0>
+    w(a|<v0>)
   2 mark({ try { @l for (i in 1..a) { 1 if (2 > 3) { continue @l } } 5 } finally { 2 } })
     mark(try { @l for (i in 1..a) { 1 if (2 > 3) { continue @l } } 5 } finally { 2 })
     jmp?(L2 [onExceptionToFinallyBlock])                                                     NEXT:[mark({ 2 }), mark({ @l for (i in 1..a) { 1 if (2 > 3) { continue @l } } 5 })]
@@ -514,43 +517,44 @@ L0:
     mark(@l for (i in 1..a) { 1 if (2 > 3) { continue @l } })
   4 mark(for (i in 1..a) { 1 if (2 > 3) { continue @l } })
     mark(1..a)
-    r(1)
+    r(1) -> <v1>
-    r(a)
+    r(a) -> <v2>
-    call(.., rangeTo)
+    call(.., rangeTo|<v1>, <v2>) -> <v3>
     v(i)
 L4:
-    jmp?(L3)                                                                                 NEXT:[read (Unit), w(i)]
+    jmp?(L3)                                                                                 NEXT:[read (Unit), magic(1..a|<v3>) -> <v4>]
 L5 [loop entry point]:
 L6 [body entry point]:
-    w(i)                                                                                     PREV:[jmp?(L3), jmp(L5 [loop entry point]), jmp?(L5 [loop entry point])]
+    magic(1..a|<v3>) -> <v4>                                                                 PREV:[jmp?(L3), jmp(L5 [loop entry point]), jmp?(L5 [loop entry point])]
+    w(i|<v4>)
   5 mark({ 1 if (2 > 3) { continue @l } })
-    r(1)
+    r(1) -> <v5>
     mark(if (2 > 3) { continue @l })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v6>
-    r(3)
+    r(3) -> <v7>
-    call(>, compareTo)
+    call(>, compareTo|<v6>, <v7>) -> <v8>
-    jf(L7)                                                                                   NEXT:[read (Unit), mark({ continue @l })]
+    jf(L7|<v8>)                                                                              NEXT:[read (Unit), mark({ continue @l })]
   6 mark({ continue @l })
-    jmp(L5 [loop entry point])                                                               NEXT:[w(i)]
+    jmp(L5 [loop entry point])                                                               NEXT:[magic(1..a|<v3>) -> <v4>]
 - 5 jmp(L8)                                                                                  NEXT:[jmp?(L5 [loop entry point])]                                                              PREV:[]
 L7:
-    read (Unit)                                                                              PREV:[jf(L7)]
+    read (Unit)                                                                              PREV:[jf(L7|<v8>)]
 L8:
-  4 jmp?(L5 [loop entry point])                                                              NEXT:[w(i), read (Unit)]
+  4 jmp?(L5 [loop entry point])                                                              NEXT:[magic(1..a|<v3>) -> <v4>, read (Unit)]
 L3:
     read (Unit)                                                                              PREV:[jmp?(L3), jmp?(L5 [loop entry point])]
-  3 r(5)
+  3 r(5) -> <v9>
   2 jmp(L9 [skipFinallyToErrorBlock])                                                        NEXT:[mark({ 2 })]
 L2 [onExceptionToFinallyBlock]:
 L10 [start finally]:
   3 mark({ 2 })                                                                              PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v10>
 L11 [finish finally]:
   2 jmp(error)                                                                               NEXT:[<ERROR>]
 L9 [skipFinallyToErrorBlock]:
   3 mark({ 2 })                                                                              PREV:[jmp(L9 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v10>
 L1:
   1 <END>                                                                                    NEXT:[<SINK>]
 error:
@@ -575,7 +579,8 @@ fun t10(a : Int) {
 L0:
   1 <START>
     v(a : Int)
-    w(a)
+    magic(a : Int) -> <v0>
+    w(a|<v0>)
   2 mark({ try { @l for (i in 1..a) { 1 if (2 > 3) { continue @l } } } finally { 2 } })
     mark(try { @l for (i in 1..a) { 1 if (2 > 3) { continue @l } } } finally { 2 })
     jmp?(L2 [onExceptionToFinallyBlock])                                                   NEXT:[mark({ 2 }), mark({ @l for (i in 1..a) { 1 if (2 > 3) { continue @l } } })]
@@ -583,42 +588,43 @@ L0:
     mark(@l for (i in 1..a) { 1 if (2 > 3) { continue @l } })
   4 mark(for (i in 1..a) { 1 if (2 > 3) { continue @l } })
     mark(1..a)
-    r(1)
+    r(1) -> <v1>
-    r(a)
+    r(a) -> <v2>
-    call(.., rangeTo)
+    call(.., rangeTo|<v1>, <v2>) -> <v3>
     v(i)
 L4:
-    jmp?(L3)                                                                               NEXT:[read (Unit), w(i)]
+    jmp?(L3)                                                                               NEXT:[read (Unit), magic(1..a|<v3>) -> <v4>]
 L5 [loop entry point]:
 L6 [body entry point]:
-    w(i)                                                                                   PREV:[jmp?(L3), jmp(L5 [loop entry point]), jmp?(L5 [loop entry point])]
+    magic(1..a|<v3>) -> <v4>                                                               PREV:[jmp?(L3), jmp(L5 [loop entry point]), jmp?(L5 [loop entry point])]
+    w(i|<v4>)
   5 mark({ 1 if (2 > 3) { continue @l } })
-    r(1)
+    r(1) -> <v5>
     mark(if (2 > 3) { continue @l })
     mark(2 > 3)
-    r(2)
+    r(2) -> <v6>
-    r(3)
+    r(3) -> <v7>
-    call(>, compareTo)
+    call(>, compareTo|<v6>, <v7>) -> <v8>
-    jf(L7)                                                                                 NEXT:[read (Unit), mark({ continue @l })]
+    jf(L7|<v8>)                                                                            NEXT:[read (Unit), mark({ continue @l })]
   6 mark({ continue @l })
-    jmp(L5 [loop entry point])                                                             NEXT:[w(i)]
+    jmp(L5 [loop entry point])                                                             NEXT:[magic(1..a|<v3>) -> <v4>]
 - 5 jmp(L8)                                                                                NEXT:[jmp?(L5 [loop entry point])]                                                            PREV:[]
 L7:
-    read (Unit)                                                                            PREV:[jf(L7)]
+    read (Unit)                                                                            PREV:[jf(L7|<v8>)]
 L8:
-  4 jmp?(L5 [loop entry point])                                                            NEXT:[w(i), read (Unit)]
+  4 jmp?(L5 [loop entry point])                                                            NEXT:[magic(1..a|<v3>) -> <v4>, read (Unit)]
 L3:
     read (Unit)                                                                            PREV:[jmp?(L3), jmp?(L5 [loop entry point])]
   2 jmp(L9 [skipFinallyToErrorBlock])                                                      NEXT:[mark({ 2 })]
 L2 [onExceptionToFinallyBlock]:
 L10 [start finally]:
   3 mark({ 2 })                                                                            PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v9>
 L11 [finish finally]:
   2 jmp(error)                                                                             NEXT:[<ERROR>]
 L9 [skipFinallyToErrorBlock]:
   3 mark({ 2 })                                                                            PREV:[jmp(L9 [skipFinallyToErrorBlock])]
-    r(2)
+    r(2) -> <v9>
 L1:
   1 <END>                                                                                  NEXT:[<SINK>]
 error:
@@ -642,25 +648,25 @@ L0:
     mark(try { return 1 } finally { return 2 })
     jmp?(L2 [onExceptionToFinallyBlock])               NEXT:[mark({ return 2 }), mark({ return 1 })]
   3 mark({ return 1 })
-    r(1)
+    r(1) -> <v0>
 L3 [start finally]:
   4 mark({ return 2 })
-    r(2)
+    r(2) -> <v1>
-    ret(*) L1                                          NEXT:[<END>]
+    ret(*|<v1>) L1                                     NEXT:[<END>]
 L4 [finish finally]:
-- 3 ret(*) L1                                          NEXT:[<END>]                                              PREV:[]
+- 3 ret(*|<v0>) L1                                     NEXT:[<END>]                                              PREV:[]
 - 2 jmp(L5 [skipFinallyToErrorBlock])                  NEXT:[mark({ return 2 })]                                 PREV:[]
 L2 [onExceptionToFinallyBlock]:
   4 mark({ return 2 })                                 PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
-    r(2)
+    r(2) -> <v1>
-    ret(*) L1                                          NEXT:[<END>]
+    ret(*|<v1>) L1                                     NEXT:[<END>]
 - 2 jmp(error)                                         NEXT:[<ERROR>]                                            PREV:[]
 L5 [skipFinallyToErrorBlock]:
 - 4 mark({ return 2 })                                 PREV:[]
--   r(2)                                               PREV:[]
+-   r(2) -> <v1>                                       PREV:[]
--   ret(*) L1                                          PREV:[]
+-   ret(*|<v1>) L1                                     PREV:[]
 L1:
-  1 <END>                                              NEXT:[<SINK>]                                             PREV:[ret(*) L1, ret(*) L1]
+  1 <END>                                              NEXT:[<SINK>]                                             PREV:[ret(*|<v1>) L1, ret(*|<v1>) L1]
 error:
     <ERROR>                                            PREV:[]
 sink:
@@ -682,28 +688,28 @@ L0:
     mark(try { return 1 } finally { doSmth(3) })
     jmp?(L2 [onExceptionToFinallyBlock])                NEXT:[mark({ doSmth(3) }), mark({ return 1 })]
   3 mark({ return 1 })
-    r(1)
+    r(1) -> <v0>
 L3 [start finally]:
   4 mark({ doSmth(3) })
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v1>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v1>) -> <v2>
 L4 [finish finally]:
-  3 ret(*) L1                                           NEXT:[<END>]
+  3 ret(*|<v0>) L1                                      NEXT:[<END>]
 - 2 jmp(L5 [skipFinallyToErrorBlock])                   NEXT:[mark({ doSmth(3) })]                                 PREV:[]
 L2 [onExceptionToFinallyBlock]:
   4 mark({ doSmth(3) })                                 PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v1>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v1>) -> <v2>
   2 jmp(error)                                          NEXT:[<ERROR>]
 L5 [skipFinallyToErrorBlock]:
 - 4 mark({ doSmth(3) })                                 PREV:[]
 -   mark(doSmth(3))                                     PREV:[]
--   r(3)                                                PREV:[]
+-   r(3) -> <v1>                                        PREV:[]
--   call(doSmth, doSmth)                                PREV:[]
+-   call(doSmth, doSmth|<v1>) -> <v2>                   PREV:[]
 L1:
-  1 <END>                                               NEXT:[<SINK>]                                              PREV:[ret(*) L1]
+  1 <END>                                               NEXT:[<SINK>]                                              PREV:[ret(*|<v0>) L1]
 error:
     <ERROR>                                             PREV:[jmp(error)]
 sink:
@@ -729,38 +735,39 @@ L0:
     jmp?(L2 [onException])                                                                                     NEXT:[v(e: UnsupportedOperationException), jmp?(L3 [onExceptionToFinallyBlock])]
     jmp?(L3 [onExceptionToFinallyBlock])                                                                       NEXT:[mark({ doSmth(3) }), mark({ return 1 })]
   3 mark({ return 1 })
-    r(1)
+    r(1) -> <v0>
 L4 [start finally]:
   4 mark({ doSmth(3) })
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v1>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v1>) -> <v2>
 L5 [finish finally]:
-  3 ret(*) L1                                                                                                  NEXT:[<END>]
+  3 ret(*|<v0>) L1                                                                                             NEXT:[<END>]
 - 2 jmp(L6 [afterCatches])                                                                                     NEXT:[jmp(L7 [skipFinallyToErrorBlock])]                                                                          PREV:[]
 L2 [onException]:
   3 v(e: UnsupportedOperationException)                                                                        PREV:[jmp?(L2 [onException])]
-    w(e)
+    magic(e: UnsupportedOperationException) -> <v3>
+    w(e|<v3>)
   4 mark({ doSmth(2) })
     mark(doSmth(2))
-    r(2)
+    r(2) -> <v4>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v4>) -> <v5>
   3 jmp(L6 [afterCatches])
 L6 [afterCatches]:
   2 jmp(L7 [skipFinallyToErrorBlock])                                                                          NEXT:[mark({ doSmth(3) })]
 L3 [onExceptionToFinallyBlock]:
   4 mark({ doSmth(3) })                                                                                        PREV:[jmp?(L3 [onExceptionToFinallyBlock])]
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v1>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v1>) -> <v2>
   2 jmp(error)                                                                                                 NEXT:[<ERROR>]
 L7 [skipFinallyToErrorBlock]:
   4 mark({ doSmth(3) })                                                                                        PREV:[jmp(L7 [skipFinallyToErrorBlock])]
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v1>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v1>) -> <v2>
 L1:
-  1 <END>                                                                                                      NEXT:[<SINK>]                                                                                                     PREV:[ret(*) L1, call(doSmth, doSmth)]
+  1 <END>                                                                                                      NEXT:[<SINK>]                                                                                                     PREV:[ret(*|<v0>) L1, call(doSmth, doSmth|<v1>) -> <v2>]
 error:
     <ERROR>                                                                                                    PREV:[jmp(error)]
 sink:
@@ -782,20 +789,21 @@ L0:
     mark(try { return 1 } catch (e: UnsupportedOperationException) { doSmth(2) })
     jmp?(L2 [onException])                                                               NEXT:[v(e: UnsupportedOperationException), mark({ return 1 })]
   3 mark({ return 1 })
-    r(1)
+    r(1) -> <v0>
-    ret(*) L1                                                                            NEXT:[<END>]
+    ret(*|<v0>) L1                                                                       NEXT:[<END>]
 - 2 jmp(L3 [afterCatches])                                                               NEXT:[<END>]                                                                                PREV:[]
 L2 [onException]:
   3 v(e: UnsupportedOperationException)                                                  PREV:[jmp?(L2 [onException])]
-    w(e)
+    magic(e: UnsupportedOperationException) -> <v1>
+    w(e|<v1>)
   4 mark({ doSmth(2) })
     mark(doSmth(2))
-    r(2)
+    r(2) -> <v2>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v2>) -> <v3>
   3 jmp(L3 [afterCatches])
 L1:
 L3 [afterCatches]:
-  1 <END>                                                                                NEXT:[<SINK>]                                                                               PREV:[ret(*) L1, jmp(L3 [afterCatches])]
+  1 <END>                                                                                NEXT:[<SINK>]                                                                               PREV:[ret(*|<v0>) L1, jmp(L3 [afterCatches])]
 error:
     <ERROR>                                                                              PREV:[]
 sink:
@@ -821,41 +829,42 @@ L0:
     jmp?(L2 [onException])                                                                                    NEXT:[v(e: UnsupportedOperationException), jmp?(L3 [onExceptionToFinallyBlock])]
     jmp?(L3 [onExceptionToFinallyBlock])                                                                      NEXT:[mark({ doSmth(3) }), mark({ return 1 })]
   3 mark({ return 1 })
-    r(1)
+    r(1) -> <v0>
 L4 [start finally]:
   4 mark({ doSmth(3) })
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v1>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v1>) -> <v2>
 L5 [finish finally]:
-  3 ret(*) L1                                                                                                 NEXT:[<END>]
+  3 ret(*|<v0>) L1                                                                                            NEXT:[<END>]
 - 2 jmp(L6 [afterCatches])                                                                                    NEXT:[jmp(L7 [skipFinallyToErrorBlock])]                                                                         PREV:[]
 L2 [onException]:
   3 v(e: UnsupportedOperationException)                                                                       PREV:[jmp?(L2 [onException])]
-    w(e)
+    magic(e: UnsupportedOperationException) -> <v3>
+    w(e|<v3>)
   4 mark({ return 2 })
-    r(2)
+    r(2) -> <v4>
     mark({ doSmth(3) })
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v1>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v1>) -> <v2>
-    ret(*) L1                                                                                                 NEXT:[<END>]
+    ret(*|<v4>) L1                                                                                            NEXT:[<END>]
 - 3 jmp(L6 [afterCatches])                                                                                    PREV:[]
 L6 [afterCatches]:
 - 2 jmp(L7 [skipFinallyToErrorBlock])                                                                         NEXT:[mark({ doSmth(3) })]                                                                                       PREV:[]
 L3 [onExceptionToFinallyBlock]:
   4 mark({ doSmth(3) })                                                                                       PREV:[jmp?(L3 [onExceptionToFinallyBlock])]
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v1>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v1>) -> <v2>
   2 jmp(error)                                                                                                NEXT:[<ERROR>]
 L7 [skipFinallyToErrorBlock]:
 - 4 mark({ doSmth(3) })                                                                                       PREV:[]
 -   mark(doSmth(3))                                                                                           PREV:[]
--   r(3)                                                                                                      PREV:[]
+-   r(3) -> <v1>                                                                                              PREV:[]
--   call(doSmth, doSmth)                                                                                      PREV:[]
+-   call(doSmth, doSmth|<v1>) -> <v2>                                                                         PREV:[]
 L1:
-  1 <END>                                                                                                     NEXT:[<SINK>]                                                                                                    PREV:[ret(*) L1, ret(*) L1]
+  1 <END>                                                                                                     NEXT:[<SINK>]                                                                                                    PREV:[ret(*|<v0>) L1, ret(*|<v4>) L1]
 error:
     <ERROR>                                                                                                   PREV:[jmp(error)]
 sink:
@@ -882,37 +891,38 @@ L0:
     jmp?(L3 [onExceptionToFinallyBlock])                                                                       NEXT:[mark({ doSmth(3) }), mark({ doSmth(1) })]
   3 mark({ doSmth(1) })
     mark(doSmth(1))
-    r(1)
+    r(1) -> <v0>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v0>) -> <v1>
   2 jmp(L4 [afterCatches])                                                                                     NEXT:[jmp(L7 [skipFinallyToErrorBlock])]
 L2 [onException]:
   3 v(e: UnsupportedOperationException)                                                                        PREV:[jmp?(L2 [onException])]
-    w(e)
+    magic(e: UnsupportedOperationException) -> <v2>
+    w(e|<v2>)
   4 mark({ return 2 })
-    r(2)
+    r(2) -> <v3>
 L5 [start finally]:
   5 mark({ doSmth(3) })
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v4>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v4>) -> <v5>
 L6 [finish finally]:
-  4 ret(*) L1                                                                                                  NEXT:[<END>]
+  4 ret(*|<v3>) L1                                                                                             NEXT:[<END>]
 - 3 jmp(L4 [afterCatches])                                                                                     PREV:[]
 L4 [afterCatches]:
   2 jmp(L7 [skipFinallyToErrorBlock])                                                                          NEXT:[mark({ doSmth(3) })]                                                                                        PREV:[jmp(L4 [afterCatches])]
 L3 [onExceptionToFinallyBlock]:
   5 mark({ doSmth(3) })                                                                                        PREV:[jmp?(L3 [onExceptionToFinallyBlock])]
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v4>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v4>) -> <v5>
   2 jmp(error)                                                                                                 NEXT:[<ERROR>]
 L7 [skipFinallyToErrorBlock]:
   5 mark({ doSmth(3) })                                                                                        PREV:[jmp(L7 [skipFinallyToErrorBlock])]
     mark(doSmth(3))
-    r(3)
+    r(3) -> <v4>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v4>) -> <v5>
 L1:
-  1 <END>                                                                                                      NEXT:[<SINK>]                                                                                                     PREV:[ret(*) L1, call(doSmth, doSmth)]
+  1 <END>                                                                                                      NEXT:[<SINK>]                                                                                                     PREV:[ret(*|<v3>) L1, call(doSmth, doSmth|<v4>) -> <v5>]
 error:
     <ERROR>                                                                                                    PREV:[jmp(error)]
 sink:
@@ -925,13 +935,14 @@ fun doSmth(i: Int) {
 L0:
   1 <START>
     v(i: Int)
-    w(i)
+    magic(i: Int) -> <v0>
+    w(i|<v0>)
   2 mark({ })
     read (Unit)
 L1:
-  1 <END>          NEXT:[<SINK>]
+  1 <END>                    NEXT:[<SINK>]
 error:
-    <ERROR>        PREV:[]
+    <ERROR>                  PREV:[]
 sink:
-    <SINK>         PREV:[<ERROR>, <END>]
+    <SINK>                   PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/controlStructures/FinallyTestCopy.instructions

@@ -74,46 +74,49 @@ L0:
   1 <START>
   2 mark({ try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { return 1 } })
     mark(try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { return 1 })
-    jmp?(L2 [onException])                                                                                                              NEXT:[jmp?(L5 [catch 0]), jmp?(L3 [onExceptionToFinallyBlock])]
+    jmp?(L2 [onException])                                                                                                                                    NEXT:[jmp?(L5 [catch 0]), jmp?(L3 [onExceptionToFinallyBlock])]
-    jmp?(L3 [onExceptionToFinallyBlock])                                                                                                NEXT:[mark({ return 1 }), mark({ doSmth() })]
+    jmp?(L3 [onExceptionToFinallyBlock])                                                                                                                      NEXT:[mark({ return 1 }), mark({ doSmth() })]
   3 mark({ doSmth() })
     mark(doSmth())
-    call(doSmth, doSmth)
+    call(doSmth, doSmth) -> <v0>
-  2 jmp(L4 [afterCatches])                                                                                                              NEXT:[jmp(L6 [skipFinallyToErrorBlock])]
+  2 jmp(L4 [afterCatches])                                                                                                                                    NEXT:[jmp(L6 [skipFinallyToErrorBlock])]
 L2 [onException]:
-    jmp?(L5 [catch 0])                                                                                                                  NEXT:[v(e: Exception), v(e: NullPointerException)]                                                                                         PREV:[jmp?(L2 [onException])]
+    jmp?(L5 [catch 0])                                                                                                                                        NEXT:[v(e: Exception), v(e: NullPointerException)]                                                                                         PREV:[jmp?(L2 [onException])]
   3 v(e: NullPointerException)
-    w(e)
+    magic(e: NullPointerException) -> <v1>
+    w(e|<v1>)
   4 mark({ doSmth1() })
     mark(doSmth1())
-    call(doSmth1, doSmth1)
+    call(doSmth1, doSmth1) -> <v2>
-  3 jmp(L4 [afterCatches])                                                                                                              NEXT:[jmp(L6 [skipFinallyToErrorBlock])]
+  3 jmp(L4 [afterCatches])                                                                                                                                    NEXT:[jmp(L6 [skipFinallyToErrorBlock])]
 L5 [catch 0]:
-    v(e: Exception)                                                                                                                     PREV:[jmp?(L5 [catch 0])]
+    v(e: Exception)                                                                                                                                           PREV:[jmp?(L5 [catch 0])]
-    w(e)
+    magic(e: Exception) -> <v3>
+    w(e|<v3>)
   4 mark({ doSmth2() })
     mark(doSmth2())
-    call(doSmth2, doSmth2)
+    call(doSmth2, doSmth2) -> <v4>
   3 jmp(L4 [afterCatches])
 L4 [afterCatches]:
-  2 jmp(L6 [skipFinallyToErrorBlock])                                                                                                   NEXT:[mark({ return 1 })]                                                                                                                  PREV:[jmp(L4 [afterCatches]), jmp(L4 [afterCatches]), jmp(L4 [afterCatches])]
+  2 jmp(L6 [skipFinallyToErrorBlock])                                                                                                                         NEXT:[mark({ return 1 })]                                                                                                                  PREV:[jmp(L4 [afterCatches]), jmp(L4 [afterCatches]), jmp(L4 [afterCatches])]
 L3 [onExceptionToFinallyBlock]:
 L7 [start finally]:
-  3 mark({ return 1 })                                                                                                                  PREV:[jmp?(L3 [onExceptionToFinallyBlock])]
+  3 mark({ return 1 })                                                                                                                                        PREV:[jmp?(L3 [onExceptionToFinallyBlock])]
-    r(1)
+    r(1) -> <v5>
-    ret(*) L1                                                                                                                           NEXT:[<END>]
+    ret(*|<v5>) L1                                                                                                                                            NEXT:[<END>]
 L8 [finish finally]:
-- 2 jmp(error)                                                                                                                          NEXT:[<ERROR>]                                                                                                                             PREV:[]
+- 2 jmp(error)                                                                                                                                                NEXT:[<ERROR>]                                                                                                                             PREV:[]
 L6 [skipFinallyToErrorBlock]:
-  3 mark({ return 1 })                                                                                                                  PREV:[jmp(L6 [skipFinallyToErrorBlock])]
+  3 mark({ return 1 })                                                                                                                                        PREV:[jmp(L6 [skipFinallyToErrorBlock])]
-    r(1)
+    r(1) -> <v5>
-    ret(*) L1
+    ret(*|<v5>) L1                                                                                                                                            NEXT:[<END>]
+- 2 magic(try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { return 1 }|<v0>, <v2>, <v4>) -> <v6>    PREV:[]
 L1:
-  1 <END>                                                                                                                               NEXT:[<SINK>]                                                                                                                              PREV:[ret(*) L1, ret(*) L1]
+  1 <END>                                                                                                                                                     NEXT:[<SINK>]                                                                                                                              PREV:[ret(*|<v5>) L1, ret(*|<v5>) L1]
 error:
-    <ERROR>                                                                                                                             PREV:[]
+    <ERROR>                                                                                                                                                   PREV:[]
 sink:
-    <SINK>                                                                                                                              PREV:[<ERROR>, <END>]
+    <SINK>                                                                                                                                                    PREV:[<ERROR>, <END>]
 =====================
 == testCopy2 ==
 fun testCopy2() {
@@ -140,67 +143,70 @@ L0:
     mark(while (cond()) { try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue } })
 L2 [loop entry point]:
 L5 [condition entry point]:
-    mark(cond())                                                                                                                                                                   PREV:[mark(while (cond()) { try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue } }), jmp(L2 [loop entry point]), jmp(L2 [loop entry point])]
+    mark(cond())                                                                                                                                                                      PREV:[mark(while (cond()) { try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue } }), jmp(L2 [loop entry point]), jmp(L2 [loop entry point])]
-    call(cond, cond)
+    call(cond, cond) -> <v0>
-    jf(L3 [loop exit point])                                                                                                                                                       NEXT:[read (Unit), mark({ try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue } })]
+    jf(L3 [loop exit point]|<v0>)                                                                                                                                                     NEXT:[read (Unit), mark({ try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue } })]
 L4 [body entry point]:
   3 mark({ try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue } })
     mark(try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue })
-    jmp?(L6 [onException])                                                                                                                                                         NEXT:[jmp?(L9 [catch 0]), jmp?(L7 [onExceptionToFinallyBlock])]
+    jmp?(L6 [onException])                                                                                                                                                            NEXT:[jmp?(L9 [catch 0]), jmp?(L7 [onExceptionToFinallyBlock])]
-    jmp?(L7 [onExceptionToFinallyBlock])                                                                                                                                           NEXT:[mark({ if (cond()) return else continue }), mark({ doSmth() })]
+    jmp?(L7 [onExceptionToFinallyBlock])                                                                                                                                              NEXT:[mark({ if (cond()) return else continue }), mark({ doSmth() })]
   4 mark({ doSmth() })
     mark(doSmth())
-    call(doSmth, doSmth)
+    call(doSmth, doSmth) -> <v1>
-  3 jmp(L8 [afterCatches])                                                                                                                                                         NEXT:[jmp(L10 [skipFinallyToErrorBlock])]
+  3 jmp(L8 [afterCatches])                                                                                                                                                            NEXT:[jmp(L10 [skipFinallyToErrorBlock])]
 L6 [onException]:
-    jmp?(L9 [catch 0])                                                                                                                                                             NEXT:[v(e: Exception), v(e: NullPointerException)]                                                                                                                                    PREV:[jmp?(L6 [onException])]
+    jmp?(L9 [catch 0])                                                                                                                                                                NEXT:[v(e: Exception), v(e: NullPointerException)]                                                                                                                                       PREV:[jmp?(L6 [onException])]
   4 v(e: NullPointerException)
-    w(e)
+    magic(e: NullPointerException) -> <v2>
+    w(e|<v2>)
   5 mark({ doSmth1() })
     mark(doSmth1())
-    call(doSmth1, doSmth1)
+    call(doSmth1, doSmth1) -> <v3>
-  4 jmp(L8 [afterCatches])                                                                                                                                                         NEXT:[jmp(L10 [skipFinallyToErrorBlock])]
+  4 jmp(L8 [afterCatches])                                                                                                                                                            NEXT:[jmp(L10 [skipFinallyToErrorBlock])]
 L9 [catch 0]:
-    v(e: Exception)                                                                                                                                                                PREV:[jmp?(L9 [catch 0])]
+    v(e: Exception)                                                                                                                                                                   PREV:[jmp?(L9 [catch 0])]
-    w(e)
+    magic(e: Exception) -> <v4>
+    w(e|<v4>)
   5 mark({ doSmth2() })
     mark(doSmth2())
-    call(doSmth2, doSmth2)
+    call(doSmth2, doSmth2) -> <v5>
   4 jmp(L8 [afterCatches])
 L8 [afterCatches]:
-  3 jmp(L10 [skipFinallyToErrorBlock])                                                                                                                                             NEXT:[mark({ if (cond()) return else continue })]                                                                                                                                     PREV:[jmp(L8 [afterCatches]), jmp(L8 [afterCatches]), jmp(L8 [afterCatches])]
+  3 jmp(L10 [skipFinallyToErrorBlock])                                                                                                                                                NEXT:[mark({ if (cond()) return else continue })]                                                                                                                                        PREV:[jmp(L8 [afterCatches]), jmp(L8 [afterCatches]), jmp(L8 [afterCatches])]
 L7 [onExceptionToFinallyBlock]:
 L11 [start finally]:
-  4 mark({ if (cond()) return else continue })                                                                                                                                     PREV:[jmp?(L7 [onExceptionToFinallyBlock])]
+  4 mark({ if (cond()) return else continue })                                                                                                                                        PREV:[jmp?(L7 [onExceptionToFinallyBlock])]
     mark(if (cond()) return else continue)
     mark(cond())
-    call(cond, cond)
+    call(cond, cond) -> <v6>
-    jf(L12)                                                                                                                                                                        NEXT:[jmp(L2 [loop entry point]), ret L1]
+    jf(L12|<v6>)                                                                                                                                                                      NEXT:[jmp(L2 [loop entry point]), ret L1]
-    ret L1                                                                                                                                                                         NEXT:[<END>]
+    ret L1                                                                                                                                                                            NEXT:[<END>]
--   jmp(L13)                                                                                                                                                                       NEXT:[jmp(error)]                                                                                                                                                                     PREV:[]
+-   jmp(L13)                                                                                                                                                                          NEXT:[jmp(error)]                                                                                                                                                                        PREV:[]
 L12:
-    jmp(L2 [loop entry point])                                                                                                                                                     NEXT:[mark(cond())]                                                                                                                                                                   PREV:[jf(L12)]
+    jmp(L2 [loop entry point])                                                                                                                                                        NEXT:[mark(cond())]                                                                                                                                                                      PREV:[jf(L12|<v6>)]
 L13:
 L14 [finish finally]:
-- 3 jmp(error)                                                                                                                                                                     NEXT:[<ERROR>]                                                                                                                                                                        PREV:[]
+- 3 jmp(error)                                                                                                                                                                        NEXT:[<ERROR>]                                                                                                                                                                           PREV:[]
 L10 [skipFinallyToErrorBlock]:
-  4 mark({ if (cond()) return else continue })                                                                                                                                     PREV:[jmp(L10 [skipFinallyToErrorBlock])]
+  4 mark({ if (cond()) return else continue })                                                                                                                                        PREV:[jmp(L10 [skipFinallyToErrorBlock])]
     mark(if (cond()) return else continue)
     mark(cond())
-    call(cond, cond)
+    call(cond, cond) -> <v6>
-    jf(copy L12)                                                                                                                                                                   NEXT:[jmp(L2 [loop entry point]), ret L1]
+    jf(copy L12|<v6>)                                                                                                                                                                 NEXT:[jmp(L2 [loop entry point]), ret L1]
-    ret L1                                                                                                                                                                         NEXT:[<END>]
+    ret L1                                                                                                                                                                            NEXT:[<END>]
--   jmp(copy L13)                                                                                                                                                                  NEXT:[jmp(L2 [loop entry point])]                                                                                                                                                     PREV:[]
+-   jmp(copy L13)                                                                                                                                                                     NEXT:[magic(try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue }|<v1>, <v3>, <v5>) -> <v7>]    PREV:[]
-    jmp(L2 [loop entry point])                                                                                                                                                     NEXT:[mark(cond())]                                                                                                                                                                   PREV:[jf(copy L12)]
+    jmp(L2 [loop entry point])                                                                                                                                                        NEXT:[mark(cond())]                                                                                                                                                                      PREV:[jf(copy L12|<v6>)]
-- 2 jmp(L2 [loop entry point])                                                                                                                                                     NEXT:[mark(cond())]                                                                                                                                                                   PREV:[]
+- 3 magic(try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { if (cond()) return else continue }|<v1>, <v3>, <v5>) -> <v7>    PREV:[]
+- 2 jmp(L2 [loop entry point])                                                                                                                                                        NEXT:[mark(cond())]                                                                                                                                                                      PREV:[]
 L3 [loop exit point]:
-    read (Unit)                                                                                                                                                                    PREV:[jf(L3 [loop exit point])]
+    read (Unit)                                                                                                                                                                       PREV:[jf(L3 [loop exit point]|<v0>)]
 L1:
-  1 <END>                                                                                                                                                                          NEXT:[<SINK>]                                                                                                                                                                         PREV:[ret L1, ret L1, read (Unit)]
+  1 <END>                                                                                                                                                                             NEXT:[<SINK>]                                                                                                                                                                            PREV:[ret L1, ret L1, read (Unit)]
 error:
-    <ERROR>                                                                                                                                                                        PREV:[]
+    <ERROR>                                                                                                                                                                           PREV:[]
 sink:
-    <SINK>                                                                                                                                                                         PREV:[<ERROR>, <END>]
+    <SINK>                                                                                                                                                                            PREV:[<ERROR>, <END>]
 =====================
 == testCopy3 ==
 fun testCopy3() {
@@ -222,58 +228,61 @@ L0:
   1 <START>
   2 mark({ try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { while (cond()); } })
     mark(try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { while (cond()); })
-    jmp?(L2 [onException])                                                                                                                     NEXT:[jmp?(L5 [catch 0]), jmp?(L3 [onExceptionToFinallyBlock])]
+    jmp?(L2 [onException])                                                                                                                                           NEXT:[jmp?(L5 [catch 0]), jmp?(L3 [onExceptionToFinallyBlock])]
-    jmp?(L3 [onExceptionToFinallyBlock])                                                                                                       NEXT:[mark({ while (cond()); }), mark({ doSmth() })]
+    jmp?(L3 [onExceptionToFinallyBlock])                                                                                                                             NEXT:[mark({ while (cond()); }), mark({ doSmth() })]
   3 mark({ doSmth() })
     mark(doSmth())
-    call(doSmth, doSmth)
+    call(doSmth, doSmth) -> <v0>
-  2 jmp(L4 [afterCatches])                                                                                                                     NEXT:[jmp(L6 [skipFinallyToErrorBlock])]
+  2 jmp(L4 [afterCatches])                                                                                                                                           NEXT:[jmp(L6 [skipFinallyToErrorBlock])]
 L2 [onException]:
-    jmp?(L5 [catch 0])                                                                                                                         NEXT:[v(e: Exception), v(e: NullPointerException)]                                                                                                PREV:[jmp?(L2 [onException])]
+    jmp?(L5 [catch 0])                                                                                                                                               NEXT:[v(e: Exception), v(e: NullPointerException)]                                                                                                                      PREV:[jmp?(L2 [onException])]
   3 v(e: NullPointerException)
-    w(e)
+    magic(e: NullPointerException) -> <v1>
+    w(e|<v1>)
   4 mark({ doSmth1() })
     mark(doSmth1())
-    call(doSmth1, doSmth1)
+    call(doSmth1, doSmth1) -> <v2>
-  3 jmp(L4 [afterCatches])                                                                                                                     NEXT:[jmp(L6 [skipFinallyToErrorBlock])]
+  3 jmp(L4 [afterCatches])                                                                                                                                           NEXT:[jmp(L6 [skipFinallyToErrorBlock])]
 L5 [catch 0]:
-    v(e: Exception)                                                                                                                            PREV:[jmp?(L5 [catch 0])]
+    v(e: Exception)                                                                                                                                                  PREV:[jmp?(L5 [catch 0])]
-    w(e)
+    magic(e: Exception) -> <v3>
+    w(e|<v3>)
   4 mark({ doSmth2() })
     mark(doSmth2())
-    call(doSmth2, doSmth2)
+    call(doSmth2, doSmth2) -> <v4>
   3 jmp(L4 [afterCatches])
 L4 [afterCatches]:
-  2 jmp(L6 [skipFinallyToErrorBlock])                                                                                                          NEXT:[mark({ while (cond()); })]                                                                                                                  PREV:[jmp(L4 [afterCatches]), jmp(L4 [afterCatches]), jmp(L4 [afterCatches])]
+  2 jmp(L6 [skipFinallyToErrorBlock])                                                                                                                                NEXT:[mark({ while (cond()); })]                                                                                                                                        PREV:[jmp(L4 [afterCatches]), jmp(L4 [afterCatches]), jmp(L4 [afterCatches])]
 L3 [onExceptionToFinallyBlock]:
 L7 [start finally]:
-  3 mark({ while (cond()); })                                                                                                                  PREV:[jmp?(L3 [onExceptionToFinallyBlock])]
+  3 mark({ while (cond()); })                                                                                                                                        PREV:[jmp?(L3 [onExceptionToFinallyBlock])]
     mark(while (cond()))
 L8 [loop entry point]:
 L11 [condition entry point]:
-    mark(cond())                                                                                                                               PREV:[mark(while (cond())), jmp(L8 [loop entry point])]
+    mark(cond())                                                                                                                                                     PREV:[mark(while (cond())), jmp(L8 [loop entry point])]
-    call(cond, cond)
+    call(cond, cond) -> <v5>
-    jf(L9 [loop exit point])                                                                                                                   NEXT:[read (Unit), jmp(L8 [loop entry point])]
+    jf(L9 [loop exit point]|<v5>)                                                                                                                                    NEXT:[read (Unit), jmp(L8 [loop entry point])]
 L10 [body entry point]:
-    jmp(L8 [loop entry point])                                                                                                                 NEXT:[mark(cond())]
+    jmp(L8 [loop entry point])                                                                                                                                       NEXT:[mark(cond())]
 L9 [loop exit point]:
-    read (Unit)                                                                                                                                PREV:[jf(L9 [loop exit point])]
+    read (Unit)                                                                                                                                                      PREV:[jf(L9 [loop exit point]|<v5>)]
 L12 [finish finally]:
-  2 jmp(error)                                                                                                                                 NEXT:[<ERROR>]
+  2 jmp(error)                                                                                                                                                       NEXT:[<ERROR>]
 L6 [skipFinallyToErrorBlock]:
-  3 mark({ while (cond()); })                                                                                                                  PREV:[jmp(L6 [skipFinallyToErrorBlock])]
+  3 mark({ while (cond()); })                                                                                                                                        PREV:[jmp(L6 [skipFinallyToErrorBlock])]
     mark(while (cond()))
-    mark(cond())                                                                                                                               PREV:[mark(while (cond())), jmp(copy L8 [loop entry point])]
+    mark(cond())                                                                                                                                                     PREV:[mark(while (cond())), jmp(copy L8 [loop entry point])]
-    call(cond, cond)
+    call(cond, cond) -> <v5>
-    jf(copy L9 [loop exit point])                                                                                                              NEXT:[read (Unit), jmp(copy L8 [loop entry point])]
+    jf(copy L9 [loop exit point]|<v5>)                                                                                                                               NEXT:[read (Unit), jmp(copy L8 [loop entry point])]
-    jmp(copy L8 [loop entry point])                                                                                                            NEXT:[mark(cond())]
+    jmp(copy L8 [loop entry point])                                                                                                                                  NEXT:[mark(cond())]
-    read (Unit)                                                                                                                                PREV:[jf(copy L9 [loop exit point])]
+    read (Unit)                                                                                                                                                      PREV:[jf(copy L9 [loop exit point]|<v5>)]
+  2 magic(try { doSmth() } catch (e: NullPointerException) { doSmth1() } catch (e: Exception) { doSmth2() } finally { while (cond()); }|<v0>, <v2>, <v4>) -> <v6>
 L1:
-  1 <END>                                                                                                                                      NEXT:[<SINK>]
+  1 <END>                                                                                                                                                            NEXT:[<SINK>]
 error:
-    <ERROR>                                                                                                                                    PREV:[jmp(error)]
+    <ERROR>                                                                                                                                                          PREV:[jmp(error)]
 sink:
-    <SINK>                                                                                                                                     PREV:[<ERROR>, <END>]
+    <SINK>                                                                                                                                                           PREV:[<ERROR>, <END>]
 =====================
 == doTestCopy4 ==
 fun doTestCopy4(list: List<String>?) : Int {
@@ -289,28 +298,29 @@ fun doTestCopy4(list: List<String>?) : Int {
 L0:
   1 <START>
     v(list: List<String>?)
-    w(list)
+    magic(list: List<String>?) -> <v0>
+    w(list|<v0>)
   2 mark({ try { doSmth() } finally { if(list != null) { } } })
     mark(try { doSmth() } finally { if(list != null) { } })
     jmp?(L2 [onExceptionToFinallyBlock])                           NEXT:[mark({ if(list != null) { } }), mark({ doSmth() })]
   3 mark({ doSmth() })
     mark(doSmth())
-    call(doSmth, doSmth)
+    call(doSmth, doSmth) -> <v1>
   2 jmp(L3 [skipFinallyToErrorBlock])                              NEXT:[mark({ if(list != null) { } })]
 L2 [onExceptionToFinallyBlock]:
 L4 [start finally]:
   3 mark({ if(list != null) { } })                                 PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
     mark(if(list != null) { })
     mark(list != null)
-    r(list)
+    r(list) -> <v2>
-    r(null)
+    r(null) -> <v3>
-    call(!=, equals)
+    call(!=, equals|<v2>, <v3>) -> <v4>
-    jf(L5)                                                         NEXT:[read (Unit), mark({ })]
+    jf(L5|<v4>)                                                    NEXT:[read (Unit), mark({ })]
   4 mark({ })
     read (Unit)
   3 jmp(L6)                                                        NEXT:[jmp(error)]
 L5:
-    read (Unit)                                                    PREV:[jf(L5)]
+    read (Unit)                                                    PREV:[jf(L5|<v4>)]
 L6:
 L7 [finish finally]:
   2 jmp(error)                                                     NEXT:[<ERROR>]                                                        PREV:[jmp(L6), read (Unit)]
@@ -318,14 +328,14 @@ L3 [skipFinallyToErrorBlock]:
   3 mark({ if(list != null) { } })                                 PREV:[jmp(L3 [skipFinallyToErrorBlock])]
     mark(if(list != null) { })
     mark(list != null)
-    r(list)
+    r(list) -> <v2>
-    r(null)
+    r(null) -> <v3>
-    call(!=, equals)
+    call(!=, equals|<v2>, <v3>) -> <v4>
-    jf(copy L5)                                                    NEXT:[read (Unit), mark({ })]
+    jf(copy L5|<v4>)                                               NEXT:[read (Unit), mark({ })]
   4 mark({ })
     read (Unit)
   3 jmp(copy L6)                                                   NEXT:[<END>]
-    read (Unit)                                                    PREV:[jf(copy L5)]
+    read (Unit)                                                    PREV:[jf(copy L5|<v4>)]
 L1:
   1 <END>                                                          NEXT:[<SINK>]                                                         PREV:[jmp(copy L6), read (Unit)]
 error:

compiler/testData/cfg/controlStructures/For.instructions

@@ -10,20 +10,21 @@ L0:
   2 mark({ for (i in 1..2) { doSmth(i) } })
   3 mark(for (i in 1..2) { doSmth(i) })
     mark(1..2)
-    r(1)
+    r(1) -> <v0>
-    r(2)
+    r(2) -> <v1>
-    call(.., rangeTo)
+    call(.., rangeTo|<v0>, <v1>) -> <v2>
     v(i)
 L3:
-    jmp?(L2)                                   NEXT:[read (Unit), w(i)]
+    jmp?(L2)                                   NEXT:[read (Unit), magic(1..2|<v2>) -> <v3>]
 L4 [loop entry point]:
 L5 [body entry point]:
-    w(i)                                       PREV:[jmp?(L2), jmp?(L4 [loop entry point])]
+    magic(1..2|<v2>) -> <v3>                   PREV:[jmp?(L2), jmp?(L4 [loop entry point])]
+    w(i|<v3>)
   4 mark({ doSmth(i) })
     mark(doSmth(i))
-    r(i)
+    r(i) -> <v4>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v4>) -> <v5>
-  3 jmp?(L4 [loop entry point])                NEXT:[w(i), read (Unit)]
+  3 jmp?(L4 [loop entry point])                NEXT:[magic(1..2|<v2>) -> <v3>, read (Unit)]
 L2:
     read (Unit)                                PREV:[jmp?(L2), jmp?(L4 [loop entry point])]
 L1:
@@ -39,13 +40,14 @@ fun doSmth(i: Int) {}
 L0:
   1 <START>
     v(i: Int)
-    w(i)
+    magic(i: Int) -> <v0>
+    w(i|<v0>)
   2 mark({})
     read (Unit)
 L1:
-  1 <END>          NEXT:[<SINK>]
+  1 <END>                    NEXT:[<SINK>]
 error:
-    <ERROR>        PREV:[]
+    <ERROR>                  PREV:[]
 sink:
-    <SINK>         PREV:[<ERROR>, <END>]
+    <SINK>                   PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/controlStructures/If.instructions

@@ -19,41 +19,42 @@ fun t1(b: Boolean) {
 L0:
   1 <START>
     v(b: Boolean)
-    w(b)
+    magic(b: Boolean) -> <v0>
+    w(b|<v0>)
   2 mark({ var u: String if (b) { u = "s" } doSmth(u) var r: String if (b) { r = "s" } else { r = "t" } doSmth(r) })
     v(var u: String)
     mark(if (b) { u = "s" })
-    r(b)
+    r(b) -> <v1>
-    jf(L2)                                                                                                              NEXT:[read (Unit), mark({ u = "s" })]
+    jf(L2|<v1>)                                                                                                         NEXT:[read (Unit), mark({ u = "s" })]
   3 mark({ u = "s" })
     mark("s")
-    r("s")
+    r("s") -> <v2>
-    w(u)
+    w(u|<v2>)
   2 jmp(L3)                                                                                                             NEXT:[mark(doSmth(u))]
 L2:
-    read (Unit)                                                                                                         PREV:[jf(L2)]
+    read (Unit)                                                                                                         PREV:[jf(L2|<v1>)]
 L3:
     mark(doSmth(u))                                                                                                     PREV:[jmp(L3), read (Unit)]
-    r(u)
+    r(u) -> <v3>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v3>) -> <v4>
     v(var r: String)
     mark(if (b) { r = "s" } else { r = "t" })
-    r(b)
+    r(b) -> <v5>
-    jf(L4)                                                                                                              NEXT:[mark({ r = "t" }), mark({ r = "s" })]
+    jf(L4|<v5>)                                                                                                         NEXT:[mark({ r = "t" }), mark({ r = "s" })]
   3 mark({ r = "s" })
     mark("s")
-    r("s")
+    r("s") -> <v6>
-    w(r)
+    w(r|<v6>)
   2 jmp(L5)                                                                                                             NEXT:[mark(doSmth(r))]
 L4:
-  3 mark({ r = "t" })                                                                                                   PREV:[jf(L4)]
+  3 mark({ r = "t" })                                                                                                   PREV:[jf(L4|<v5>)]
     mark("t")
-    r("t")
+    r("t") -> <v7>
-    w(r)
+    w(r|<v7>)
 L5:
-  2 mark(doSmth(r))                                                                                                     PREV:[jmp(L5), w(r)]
+  2 mark(doSmth(r))                                                                                                     PREV:[jmp(L5), w(r|<v7>)]
-    r(r)
+    r(r) -> <v8>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v8>) -> <v9>
 L1:
   1 <END>                                                                                                               NEXT:[<SINK>]
 error:
@@ -76,32 +77,34 @@ fun t2(b: Boolean) {
 L0:
   1 <START>
     v(b: Boolean)
-    w(b)
+    magic(b: Boolean) -> <v0>
+    w(b|<v0>)
   2 mark({ val i = 3 if (b) { return; } doSmth(i) if (i is Int) { return; } })
     v(val i = 3)
-    r(3)
+    r(3) -> <v1>
-    w(i)
+    w(i|<v1>)
     mark(if (b) { return; })
-    r(b)
+    r(b) -> <v2>
-    jf(L2)                                                                        NEXT:[read (Unit), mark({ return; })]
+    jf(L2|<v2>)                                                                   NEXT:[read (Unit), mark({ return; })]
   3 mark({ return; })
     ret L1                                                                        NEXT:[<END>]
 - 2 jmp(L3)                                                                       NEXT:[mark(doSmth(i))]                                                               PREV:[]
 L2:
-    read (Unit)                                                                   PREV:[jf(L2)]
+    read (Unit)                                                                   PREV:[jf(L2|<v2>)]
 L3:
     mark(doSmth(i))
-    r(i)
+    r(i) -> <v3>
-    call(doSmth, doSmth)
+    call(doSmth, doSmth|<v3>) -> <v4>
     mark(if (i is Int) { return; })
     mark(i is Int)
-    r(i)
+    r(i) -> <v5>
-    jf(L4)                                                                        NEXT:[read (Unit), mark({ return; })]
+    magic(i is Int|<v5>) -> <v6>
+    jf(L4|<v6>)                                                                   NEXT:[read (Unit), mark({ return; })]
   3 mark({ return; })
     ret L1                                                                        NEXT:[<END>]
 - 2 jmp(L5)                                                                       NEXT:[<END>]                                                                         PREV:[]
 L4:
-    read (Unit)                                                                   PREV:[jf(L4)]
+    read (Unit)                                                                   PREV:[jf(L4|<v6>)]
 L1:
 L5:
   1 <END>                                                                         NEXT:[<SINK>]                                                                        PREV:[ret L1, ret L1, read (Unit)]
@@ -116,13 +119,14 @@ fun doSmth(s: String) {}
 L0:
   1 <START>
     v(s: String)
-    w(s)
+    magic(s: String) -> <v0>
+    w(s|<v0>)
   2 mark({})
     read (Unit)
 L1:
-  1 <END>           NEXT:[<SINK>]
+  1 <END>                       NEXT:[<SINK>]
 error:
-    <ERROR>         PREV:[]
+    <ERROR>                     PREV:[]
 sink:
-    <SINK>          PREV:[<ERROR>, <END>]
+    <SINK>                      PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/controlStructures/OnlyWhileInFunctionBody.instructions

@@ -11,23 +11,23 @@ L0:
     mark(while(0 > 1) { 2 })
 L2 [loop entry point]:
 L5 [condition entry point]:
-    mark(0 > 1)                     PREV:[mark(while(0 > 1) { 2 }), jmp(L2 [loop entry point])]
+    mark(0 > 1)                              PREV:[mark(while(0 > 1) { 2 }), jmp(L2 [loop entry point])]
-    r(0)
+    r(0) -> <v0>
-    r(1)
+    r(1) -> <v1>
-    call(>, compareTo)
+    call(>, compareTo|<v0>, <v1>) -> <v2>
-    jf(L3 [loop exit point])        NEXT:[read (Unit), mark({ 2 })]
+    jf(L3 [loop exit point]|<v2>)            NEXT:[read (Unit), mark({ 2 })]
 L4 [body entry point]:
   3 mark({ 2 })
-    r(2)
+    r(2) -> <v3>
-  2 jmp(L2 [loop entry point])      NEXT:[mark(0 > 1)]
+  2 jmp(L2 [loop entry point])               NEXT:[mark(0 > 1)]
 L3 [loop exit point]:
-    read (Unit)                     PREV:[jf(L3 [loop exit point])]
+    read (Unit)                              PREV:[jf(L3 [loop exit point]|<v2>)]
 L1:
-  1 <END>                           NEXT:[<SINK>]
+  1 <END>                                    NEXT:[<SINK>]
 error:
-    <ERROR>                         PREV:[]
+    <ERROR>                                  PREV:[]
 sink:
-    <SINK>                          PREV:[<ERROR>, <END>]
+    <SINK>                                   PREV:[<ERROR>, <END>]
 =====================
 == dowhile ==
 fun dowhile() {
@@ -42,19 +42,19 @@ L0:
 L2 [loop entry point]:
 L4 [body entry point]:
     mark({return})
-    ret L1                                NEXT:[<END>]
+    ret L1                                   NEXT:[<END>]
 L5 [condition entry point]:
--   mark(0 > 1)                           PREV:[]
+-   mark(0 > 1)                              PREV:[]
--   r(0)                                  PREV:[]
+-   r(0) -> <v0>                             PREV:[]
--   r(1)                                  PREV:[]
+-   r(1) -> <v1>                             PREV:[]
--   call(>, compareTo)                    PREV:[]
+-   call(>, compareTo|<v0>, <v1>) -> <v2>    PREV:[]
--   jt(L2 [loop entry point])             NEXT:[read (Unit), mark({return})]           PREV:[]
+-   jt(L2 [loop entry point]|<v2>)           NEXT:[read (Unit), mark({return})]              PREV:[]
 L3 [loop exit point]:
--   read (Unit)                           PREV:[]
+-   read (Unit)                              PREV:[]
 L1:
-  1 <END>                                 NEXT:[<SINK>]                                PREV:[ret L1]
+  1 <END>                                    NEXT:[<SINK>]                                   PREV:[ret L1]
 error:
-    <ERROR>                               PREV:[]
+    <ERROR>                                  PREV:[]
 sink:
-    <SINK>                                PREV:[<ERROR>, <END>]
+    <SINK>                                   PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/controlStructures/returnsInWhen.instructions

@@ -8,20 +8,22 @@ fun illegalWhenBlock(a: Any): Any {
 L0:
   1 <START>
     v(a: Any)
-    w(a)
+    magic(a: Any) -> <v0>
+    w(a|<v0>)
   2 mark({ when(a) { is Int -> return a } })
     mark(when(a) { is Int -> return a })
-    r(a)
+    r(a) -> <v1>
     mark(is Int -> return a)
-    jmp?(L4)                                    NEXT:[<END>, r(a)]
+    magic(is Int|<v1>) -> <v2>
+    jmp?(L4|<v2>)                               NEXT:[<END>, r(a) -> <v3>]
 L3:
-    r(a)
+    r(a) -> <v3>
-    ret(*) L1                                   NEXT:[<END>]
+    ret(*|<v3>) L1                              NEXT:[<END>]
 -   jmp(L2)                                     PREV:[]
 L1:
 L2:
 L4:
-  1 <END>                                       NEXT:[<SINK>]                                      PREV:[jmp?(L4), ret(*) L1]
+  1 <END>                                       NEXT:[<SINK>]                                      PREV:[jmp?(L4|<v2>), ret(*|<v3>) L1]
 error:
     <ERROR>                                     PREV:[]
 sink:

compiler/testData/cfg/conventions/equals.instructions

@@ -7,26 +7,28 @@ fun foo(a: Int, b: Int) {
 L0:
   1 <START>
     v(a: Int)
-    w(a)
+    magic(a: Int) -> <v0>
+    w(a|<v0>)
     v(b: Int)
-    w(b)
+    magic(b: Int) -> <v1>
+    w(b|<v1>)
   2 mark({ if (a == b) { } })
     mark(if (a == b) { })
     mark(a == b)
-    r(a)
+    r(a) -> <v2>
-    r(b)
+    r(b) -> <v3>
-    call(==, equals)
+    call(==, equals|<v2>, <v3>) -> <v4>
-    jf(L2)                       NEXT:[read (Unit), mark({ })]
+    jf(L2|<v4>)                            NEXT:[read (Unit), mark({ })]
   3 mark({ })
     read (Unit)
-  2 jmp(L3)                      NEXT:[<END>]
+  2 jmp(L3)                                NEXT:[<END>]
 L2:
-    read (Unit)                  PREV:[jf(L2)]
+    read (Unit)                            PREV:[jf(L2|<v4>)]
 L1:
 L3:
-  1 <END>                        NEXT:[<SINK>]                       PREV:[jmp(L3), read (Unit)]
+  1 <END>                                  NEXT:[<SINK>]                                 PREV:[jmp(L3), read (Unit)]
 error:
-    <ERROR>                      PREV:[]
+    <ERROR>                                PREV:[]
 sink:
-    <SINK>                       PREV:[<ERROR>, <END>]
+    <SINK>                                 PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/conventions/incrementAtTheEnd.instructions

@@ -8,16 +8,16 @@ L0:
   1 <START>
   2 mark({ var i = 1 i++ })
     v(var i = 1)
-    r(1)
+    r(1) -> <v0>
-    w(i)
+    w(i|<v0>)
     mark(i++)
-    r(i)
+    r(i) -> <v1>
-    call(++, inc)
+    call(++, inc|<v1>) -> <v2>
-    w(i)
+    w(i|<v2>)
 L1:
-  1 <END>                      NEXT:[<SINK>]
+  1 <END>                         NEXT:[<SINK>]
 error:
-    <ERROR>                    PREV:[]
+    <ERROR>                       PREV:[]
 sink:
-    <SINK>                     PREV:[<ERROR>, <END>]
+    <SINK>                        PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/conventions/invoke.instructions

@@ -6,15 +6,16 @@ fun foo(f: () -> Unit) {
 L0:
   1 <START>
     v(f: () -> Unit)
-    w(f)
+    magic(f: () -> Unit) -> <v0>
+    w(f|<v0>)
   2 mark({ f() })
     mark(f())
-    r(f)
+    r(f) -> <v1>
-    call(f, invoke)
+    call(f, invoke|<v1>) -> <v2>
 L1:
-  1 <END>               NEXT:[<SINK>]
+  1 <END>                           NEXT:[<SINK>]
 error:
-    <ERROR>             PREV:[]
+    <ERROR>                         PREV:[]
 sink:
-    <SINK>              PREV:[<ERROR>, <END>]
+    <SINK>                          PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/conventions/notEqual.instructions

@@ -6,26 +6,28 @@ fun neq(a: Int, b: Int) {
 L0:
   1 <START>
     v(a: Int)
-    w(a)
+    magic(a: Int) -> <v0>
+    w(a|<v0>)
     v(b: Int)
-    w(b)
+    magic(b: Int) -> <v1>
+    w(b|<v1>)
   2 mark({ if (a != b) {} })
     mark(if (a != b) {})
     mark(a != b)
-    r(a)
+    r(a) -> <v2>
-    r(b)
+    r(b) -> <v3>
-    call(!=, equals)
+    call(!=, equals|<v2>, <v3>) -> <v4>
-    jf(L2)                      NEXT:[read (Unit), mark({})]
+    jf(L2|<v4>)                            NEXT:[read (Unit), mark({})]
   3 mark({})
     read (Unit)
-  2 jmp(L3)                     NEXT:[<END>]
+  2 jmp(L3)                                NEXT:[<END>]
 L2:
-    read (Unit)                 PREV:[jf(L2)]
+    read (Unit)                            PREV:[jf(L2|<v4>)]
 L1:
 L3:
-  1 <END>                       NEXT:[<SINK>]                      PREV:[jmp(L3), read (Unit)]
+  1 <END>                                  NEXT:[<SINK>]                                 PREV:[jmp(L3), read (Unit)]
 error:
-    <ERROR>                     PREV:[]
+    <ERROR>                                PREV:[]
 sink:
-    <SINK>                      PREV:[<ERROR>, <END>]
+    <SINK>                                 PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/deadCode/DeadCode.instructions

@@ -9,14 +9,14 @@ L0:
   2 mark({ throw Exception() test() })
     mark(throw Exception())
     mark(Exception())
-    call(Exception, <init>)
+    call(Exception, <init>) -> <v0>
-    throw (throw Exception())             NEXT:[<ERROR>]
+    throw (throw Exception()|<v0>)        NEXT:[<ERROR>]
 -   mark(test())                          PREV:[]
--   call(test, test)                      PREV:[]
+-   call(test, test) -> <v1>              PREV:[]
 L1:
   1 <END>                                 NEXT:[<SINK>]                                PREV:[]
 error:
-    <ERROR>                               PREV:[throw (throw Exception())]
+    <ERROR>                               PREV:[throw (throw Exception()|<v0>)]
 sink:
     <SINK>                                PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/deadCode/returnInElvis.instructions

@@ -7,8 +7,8 @@ L0:
   1 <START>
   2 mark({ return ?: null })
     ret L1                      NEXT:[<END>]
--   jt(L2)                      NEXT:[r(null), <END>]              PREV:[]
+-   jt(L2)                      NEXT:[r(null) -> <v0>, <END>]      PREV:[]
--   r(null)                     PREV:[]
+-   r(null) -> <v0>             PREV:[]
 L1:
 L2:
   1 <END>                       NEXT:[<SINK>]                      PREV:[ret L1]

compiler/testData/cfg/deadCode/stringTemplate.instructions

@@ -9,14 +9,14 @@ L0:
     mark("${throw Exception()} ${1}")
     mark(throw Exception())
     mark(Exception())
-    call(Exception, <init>)
+    call(Exception, <init>) -> <v0>
-    throw (throw Exception())                NEXT:[<ERROR>]
+    throw (throw Exception()|<v0>)                     NEXT:[<ERROR>]
--   r(1)                                     PREV:[]
+-   r(1) -> <v1>                                       PREV:[]
--   r("${throw Exception()} ${1}")           PREV:[]
+-   magic("${throw Exception()} ${1}"|<v1>) -> <v2>    PREV:[]
 L1:
-  1 <END>                                    NEXT:[<SINK>]                                   PREV:[]
+  1 <END>                                              NEXT:[<SINK>]                                             PREV:[]
 error:
-    <ERROR>                                  PREV:[throw (throw Exception())]
+    <ERROR>                                            PREV:[throw (throw Exception()|<v0>)]
 sink:
-    <SINK>                                   PREV:[<ERROR>, <END>]
+    <SINK>                                             PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/declarations/classesAndObjects/AnonymousInitializers.instructions

@@ -18,16 +18,16 @@ class AnonymousInitializers() {
 L0:
   1 <START>
     v(val k = 34)
-    r(34)
+    r(34) -> <v0>
-    w(k)
+    w(k|<v0>)
     v(val i: Int)
   2 mark({ $i = 12 })
-    r(12)
+    r(12) -> <v1>
-    w($i)
+    w($i|<v1>)
   1 v(val j: Int get() = 20)
   2 mark({ $i = 13 })
-    r(13)
+    r(13) -> <v2>
-    w($i)
+    w($i|<v2>)
 L1:
   1 <END>                       NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/functionLiterals/unusedFunctionLiteral.instructions

@@ -7,16 +7,16 @@ L0:
   1 <START>
   2 mark({ {} })
     mark({})
-    jmp?(L2)        NEXT:[r({}), d({})]
+    jmp?(L2)         NEXT:[r({}) -> <v0>, d({})]
-    d({})           NEXT:[<SINK>]
+    d({})            NEXT:[<SINK>]
 L2:
-    r({})           PREV:[jmp?(L2)]
+    r({}) -> <v0>    PREV:[jmp?(L2)]
 L1:
-  1 <END>           NEXT:[<SINK>]
+  1 <END>            NEXT:[<SINK>]
 error:
-    <ERROR>         PREV:[]
+    <ERROR>          PREV:[]
 sink:
-    <SINK>          PREV:[<ERROR>, <END>, d({})]
+    <SINK>           PREV:[<ERROR>, <END>, d({})]
 =====================
 == anonymous_0 ==
 {}

compiler/testData/cfg/declarations/functions/FailFunction.instructions

@@ -9,12 +9,12 @@ L0:
     mark(throw java.lang.RuntimeException())
     mark(java.lang.RuntimeException())
     mark(RuntimeException())
-    call(RuntimeException, <init>)
+    call(RuntimeException, <init>) -> <v0>
-    throw (throw java.lang.RuntimeException())      NEXT:[<ERROR>]
+    throw (throw java.lang.RuntimeException()|<v0>)    NEXT:[<ERROR>]
 L1:
-  1 <END>                                           NEXT:[<SINK>]                                          PREV:[]
+  1 <END>                                              NEXT:[<SINK>]                                             PREV:[]
 error:
-    <ERROR>                                         PREV:[throw (throw java.lang.RuntimeException())]
+    <ERROR>                                            PREV:[throw (throw java.lang.RuntimeException()|<v0>)]
 sink:
-    <SINK>                                          PREV:[<ERROR>, <END>]
+    <SINK>                                             PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/declarations/functions/typeParameter.instructions

@@ -7,6 +7,7 @@ L0:
   1 <START>
   2 mark({ T })
     error(T, No resolved call)
+    magic(T) -> <v0>
 L1:
   1 <END>                         NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/local/LocalDeclarations.instructions

@@ -20,8 +20,8 @@ class C() {
 L0:
   1 <START>
     v(val a: Int = 1)
-    r(1)
+    r(1) -> <v0>
-    w(a)
+    w(a|<v0>)
 L1:
     <END>                NEXT:[<SINK>]
 error:
@@ -35,15 +35,16 @@ fun doSmth(i: Int) {}
 L0:
   1 <START>
     v(i: Int)
-    w(i)
+    magic(i: Int) -> <v0>
+    w(i|<v0>)
   2 mark({})
     read (Unit)
 L1:
-  1 <END>          NEXT:[<SINK>]
+  1 <END>                    NEXT:[<SINK>]
 error:
-    <ERROR>        PREV:[]
+    <ERROR>                  PREV:[]
 sink:
-    <SINK>         PREV:[<ERROR>, <END>]
+    <SINK>                   PREV:[<ERROR>, <END>]
 =====================
 == test1 ==
 fun test1() {
@@ -62,10 +63,10 @@ L0:
     mark(object { val x : Int { $x = 1 } })
     v(val x : Int)
   3 mark({ $x = 1 })
-    r(1)
+    r(1) -> <v0>
-    w($x)
+    w($x|<v0>)
-  2 r(object { val x : Int { $x = 1 } })
+  2 r(object { val x : Int { $x = 1 } }) -> <v1>
-    w(a)
+    w(a|<v1>)
 L1:
   1 <END>                                                  NEXT:[<SINK>]
 error:
@@ -85,8 +86,8 @@ L0:
   1 <START>
     v(val x : Int)
   2 mark({ $x = 1 })
-    r(1)
+    r(1) -> <v0>
-    w($x)
+    w($x|<v0>)
 L1:
   1 <END>               NEXT:[<SINK>]
 error:
@@ -106,15 +107,15 @@ L0:
   1 <START>
   2 mark({ val b = 1 val a = object { val x = b } })
     v(val b = 1)
-    r(1)
+    r(1) -> <v0>
-    w(b)
+    w(b|<v0>)
     v(val a = object { val x = b })
     mark(object { val x = b })
     v(val x = b)
-    r(b)
+    r(b) -> <v1>
-    w(x)
+    w(x|<v1>)
-    r(object { val x = b })
+    r(object { val x = b }) -> <v2>
-    w(a)
+    w(a|<v2>)
 L1:
   1 <END>                                               NEXT:[<SINK>]
 error:
@@ -138,11 +139,11 @@ L0:
     v(val a = object { val y : Int fun inner_bar() { y = 10 } })
     mark(object { val y : Int fun inner_bar() { y = 10 } })
     v(val y : Int)
-    jmp?(L2)                                                               NEXT:[r(object { val y : Int fun inner_bar() { y = 10 } }), d(fun inner_bar() { y = 10 })]
+    jmp?(L2)                                                               NEXT:[r(object { val y : Int fun inner_bar() { y = 10 } }) -> <v0>, d(fun inner_bar() { y = 10 })]
     d(fun inner_bar() { y = 10 })                                          NEXT:[<SINK>]
 L2:
-    r(object { val y : Int fun inner_bar() { y = 10 } })                   PREV:[jmp?(L2)]
+    r(object { val y : Int fun inner_bar() { y = 10 } }) -> <v0>           PREV:[jmp?(L2)]
-    w(a)
+    w(a|<v0>)
 L1:
   1 <END>                                                                  NEXT:[<SINK>]
 error:
@@ -158,8 +159,8 @@ fun inner_bar() {
 L3:
   3 <START>
   4 mark({ y = 10 })
-    r(10)
+    r(10) -> <v0>
-    w(y)
+    w(y|<v0>)
 L4:
   3 <END>               NEXT:[<SINK>]
 error:
@@ -189,13 +190,13 @@ L0:
     v(val x : Int)
     v(val y : Int)
   3 mark({ $x = 1 })
-    r(1)
+    r(1) -> <v0>
-    w($x)
+    w($x|<v0>)
-  2 jmp?(L2)                                                                                NEXT:[r(object { val x : Int val y : Int { $x = 1 } fun ggg() { y = 10 } }), d(fun ggg() { y = 10 })]
+  2 jmp?(L2)                                                                                NEXT:[r(object { val x : Int val y : Int { $x = 1 } fun ggg() { y = 10 } }) -> <v1>, d(fun ggg() { y = 10 })]
     d(fun ggg() { y = 10 })                                                                 NEXT:[<SINK>]
 L2:
-    r(object { val x : Int val y : Int { $x = 1 } fun ggg() { y = 10 } })                   PREV:[jmp?(L2)]
+    r(object { val x : Int val y : Int { $x = 1 } fun ggg() { y = 10 } }) -> <v1>           PREV:[jmp?(L2)]
-    w(a)
+    w(a|<v1>)
 L1:
   1 <END>                                                                                   NEXT:[<SINK>]
 error:
@@ -211,8 +212,8 @@ fun ggg() {
 L3:
   3 <START>
   4 mark({ y = 10 })
-    r(10)
+    r(10) -> <v0>
-    w(y)
+    w(y|<v0>)
 L4:
   3 <END>               NEXT:[<SINK>]
 error:
@@ -242,19 +243,19 @@ L0:
     v(val a = object { var x = 1 { $x = 2 } fun foo() { x = 3 } fun bar() { x = 4 } })
     mark(object { var x = 1 { $x = 2 } fun foo() { x = 3 } fun bar() { x = 4 } })
     v(var x = 1)
-    r(1)
+    r(1) -> <v0>
-    w(x)
+    w(x|<v0>)
   3 mark({ $x = 2 })
-    r(2)
+    r(2) -> <v1>
-    w($x)
+    w($x|<v1>)
   2 jmp?(L2)                                                                                     NEXT:[jmp?(L5), d(fun foo() { x = 3 })]
     d(fun foo() { x = 3 })                                                                       NEXT:[<SINK>]
 L2:
-    jmp?(L5)                                                                                     NEXT:[r(object { var x = 1 { $x = 2 } fun foo() { x = 3 } fun bar() { x = 4 } }), d(fun bar() { x = 4 })]    PREV:[jmp?(L2)]
+    jmp?(L5)                                                                                     NEXT:[r(object { var x = 1 { $x = 2 } fun foo() { x = 3 } fun bar() { x = 4 } }) -> <v2>, d(fun bar() { x = 4 })]    PREV:[jmp?(L2)]
     d(fun bar() { x = 4 })                                                                       NEXT:[<SINK>]
 L5:
-    r(object { var x = 1 { $x = 2 } fun foo() { x = 3 } fun bar() { x = 4 } })                   PREV:[jmp?(L5)]
+    r(object { var x = 1 { $x = 2 } fun foo() { x = 3 } fun bar() { x = 4 } }) -> <v2>           PREV:[jmp?(L5)]
-    w(a)
+    w(a|<v2>)
 L1:
   1 <END>                                                                                        NEXT:[<SINK>]
 error:
@@ -270,8 +271,8 @@ fun foo() {
 L3:
   3 <START>
   4 mark({ x = 3 })
-    r(3)
+    r(3) -> <v0>
-    w(x)
+    w(x|<v0>)
 L4:
   3 <END>              NEXT:[<SINK>]
 error:
@@ -287,8 +288,8 @@ fun bar() {
 L6:
   3 <START>
   4 mark({ x = 4 })
-    r(4)
+    r(4) -> <v0>
-    w(x)
+    w(x|<v0>)
 L7:
   3 <END>              NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/local/ObjectExpression.instructions

@@ -44,13 +44,13 @@ override fun foo() = 10
 ---------------------
 L0:
   1 <START>
-    r(10)
+    r(10) -> <v0>
 L1:
-    <END>      NEXT:[<SINK>]
+    <END>            NEXT:[<SINK>]
 error:
-    <ERROR>    PREV:[]
+    <ERROR>          PREV:[]
 sink:
-    <SINK>     PREV:[<ERROR>, <END>]
+    <SINK>           PREV:[<ERROR>, <END>]
 =====================
 == foo ==
 fun foo(b: B) : Int {
@@ -61,18 +61,19 @@ fun foo(b: B) : Int {
 L0:
   1 <START>
     v(b: B)
-    w(b)
+    magic(b: B) -> <v0>
+    w(b|<v0>)
   2 mark({ val o = object : A by b {} return o.foo() })
     v(val o = object : A by b {})
     mark(object : A by b {})
-    r(b)
+    r(b) -> <v1>
-    r(object : A by b {})
+    r(object : A by b {}) -> <v2>
-    w(o)
+    w(o|<v2>)
     mark(o.foo())
     mark(foo())
-    r(o)
+    r(o) -> <v3>
-    call(foo, foo)
+    call(foo, foo|<v3>) -> <v4>
-    ret(*) L1
+    ret(*|<v4>) L1
 L1:
   1 <END>                                                  NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/local/localClass.instructions

@@ -38,8 +38,8 @@ L3:
   4 mark({ val x = "" fun loc() { val x3 = "" } })
     v(val x = "")
     mark("")
-    r("")
+    r("") -> <v0>
-    w(x)
+    w(x|<v0>)
     jmp?(L5)                                          NEXT:[<END>, d(fun loc() { val x3 = "" })]
     d(fun loc() { val x3 = "" })                      NEXT:[<SINK>]
 L4:
@@ -60,8 +60,8 @@ L6:
   6 mark({ val x3 = "" })
     v(val x3 = "")
     mark("")
-    r("")
+    r("") -> <v0>
-    w(x3)
+    w(x3|<v0>)
 L7:
   5 <END>                    NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/local/localProperty.instructions

@@ -33,8 +33,8 @@ L3:
   3 <START>
   4 mark({ val b: Int return b })
     v(val b: Int)
-    r(b)
+    r(b) -> <v0>
-    ret(*) L4
+    ret(*|<v0>) L4
 L4:
   3 <END>                            NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/multiDeclaration/MultiDecl.instructions

@@ -18,26 +18,26 @@ fun component1() = 1
 ---------------------
 L0:
   1 <START>
-    r(1)
+    r(1) -> <v0>
 L1:
-    <END>      NEXT:[<SINK>]
+    <END>           NEXT:[<SINK>]
 error:
-    <ERROR>    PREV:[]
+    <ERROR>         PREV:[]
 sink:
-    <SINK>     PREV:[<ERROR>, <END>]
+    <SINK>          PREV:[<ERROR>, <END>]
 =====================
 == component2 ==
 fun component2() = 2
 ---------------------
 L0:
   1 <START>
-    r(2)
+    r(2) -> <v0>
 L1:
-    <END>      NEXT:[<SINK>]
+    <END>           NEXT:[<SINK>]
 error:
-    <ERROR>    PREV:[]
+    <ERROR>         PREV:[]
 sink:
-    <SINK>     PREV:[<ERROR>, <END>]
+    <SINK>          PREV:[<ERROR>, <END>]
 =====================
 == test ==
 fun test(c: C) {
@@ -48,18 +48,19 @@ fun test(c: C) {
 L0:
   1 <START>
     v(c: C)
-    w(c)
+    magic(c: C) -> <v0>
+    w(c|<v0>)
   2 mark({ val (a, b) = c val d = 1 })
-    r(c)
+    r(c) -> <v1>
     v(a)
-    call(a, component1)
+    call(a, component1|<v1>) -> <v2>
-    w(a)
+    w(a|<v2>)
     v(b)
-    call(b, component2)
+    call(b, component2|<v1>) -> <v3>
-    w(b)
+    w(b|<v3>)
     v(val d = 1)
-    r(1)
+    r(1) -> <v4>
-    w(d)
+    w(d|<v4>)
 L1:
   1 <END>                                 NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/multiDeclaration/multiDeclarationWithError.instructions

@@ -7,14 +7,17 @@ fun foo(x: Int) {
 L0:
   1 <START>
     v(x: Int)
-    w(x)
+    magic(x: Int) -> <v0>
+    w(x|<v0>)
   2 mark({ val (a, b) = x a })
-    r(x)
+    r(x) -> <v1>
     v(a)
-    w(a)
+    magic(a|<v1>) -> <v2>
+    w(a|<v2>)
     v(b)
-    w(b)
+    magic(b|<v1>) -> <v3>
-    r(a)
+    w(b|<v3>)
+    r(a) -> <v4>
 L1:
   1 <END>                         NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/properties/DelegatedProperty.instructions

@@ -18,16 +18,18 @@ fun get(_this: Any, p: PropertyMetadata): Int = 0
 L0:
   1 <START>
     v(_this: Any)
-    w(_this)
+    magic(_this: Any) -> <v0>
+    w(_this|<v0>)
     v(p: PropertyMetadata)
-    w(p)
+    magic(p: PropertyMetadata) -> <v1>
-    r(0)
+    w(p|<v1>)
+    r(0) -> <v2>
 L1:
-    <END>                     NEXT:[<SINK>]
+    <END>                                 NEXT:[<SINK>]
 error:
-    <ERROR>                   PREV:[]
+    <ERROR>                               PREV:[]
 sink:
-    <SINK>                    PREV:[<ERROR>, <END>]
+    <SINK>                                PREV:[<ERROR>, <END>]
 =====================
 == a ==
 val a = Delegate()
@@ -36,14 +38,14 @@ L0:
   1 <START>
     v(val a = Delegate())
     mark(Delegate())
-    call(Delegate, <init>)
+    call(Delegate, <init>) -> <v0>
-    w(a)
+    w(a|<v0>)
 L1:
-    <END>                     NEXT:[<SINK>]
+    <END>                             NEXT:[<SINK>]
 error:
-    <ERROR>                   PREV:[]
+    <ERROR>                           PREV:[]
 sink:
-    <SINK>                    PREV:[<ERROR>, <END>]
+    <SINK>                            PREV:[<ERROR>, <END>]
 =====================
 == b ==
 val b by a
@@ -51,7 +53,7 @@ val b by a
 L0:
   1 <START>
     v(val b by a)
-    r(a)
+    r(a) -> <v0>
 L1:
     <END>            NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/properties/backingFieldAccess.instructions

@@ -12,7 +12,7 @@ L0:
   1 <START>
     v(val a: Int get() = 1)
   2 mark({ $a })
-    r($a)
+    r($a) -> <v0>
 L1:
   1 <END>                      NEXT:[<SINK>]
 error:

compiler/testData/cfg/declarations/properties/backingFieldQualifiedWithThis.instructions

@@ -21,15 +21,15 @@ L0:
   1 <START>
     mark("foo" + this.$bar)
     mark("foo")
-    r("foo")
+    r("foo") -> <v0>
     mark(this.$bar)
-    r(this)
+    r(this) -> <v1>
-    r($bar)
+    r($bar|<v1>) -> <v2>
-    call(+, plus)
+    call(+, plus|<v0>, <v2>) -> <v3>
 L1:
-    <END>                      NEXT:[<SINK>]
+    <END>                               NEXT:[<SINK>]
 error:
-    <ERROR>                    PREV:[]
+    <ERROR>                             PREV:[]
 sink:
-    <SINK>                     PREV:[<ERROR>, <END>]
+    <SINK>                              PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/expressions/Assignments.instructions

@@ -26,55 +26,65 @@ fun assignments() : Unit {
 
     val t = Test();
     t.x = 1
+    t.x += 1
 }
 ---------------------
 L0:
   1 <START>
-  2 mark({ var x = 1 x = 2 x += 2 x = if (true) 1 else 2 val y = true && false val z = false && true val t = Test(); t.x = 1 })
+  2 mark({ var x = 1 x = 2 x += 2 x = if (true) 1 else 2 val y = true && false val z = false && true val t = Test(); t.x = 1 t.x += 1 })
     v(var x = 1)
-    r(1)
+    r(1) -> <v0>
-    w(x)
+    w(x|<v0>)
-    r(2)
+    r(2) -> <v1>
-    w(x)
+    w(x|<v1>)
     mark(x += 2)
-    r(x)
+    r(x) -> <v2>
-    r(2)
+    r(2) -> <v3>
-    call(+=, plus)
+    call(+=, plus|<v2>, <v3>) -> <v4>
-    w(x)
+    w(x|<v4>)
     mark(if (true) 1 else 2)
-    r(true)
+    r(true) -> <v5>
-    jf(L2)                                                                                                                         NEXT:[r(2), r(1)]
+    jf(L2|<v5>)                                                                                                                             NEXT:[r(2) -> <v7>, r(1) -> <v6>]
-    r(1)
+    r(1) -> <v6>
-    jmp(L3)                                                                                                                        NEXT:[w(x)]
+    jmp(L3)                                                                                                                                 NEXT:[magic(if (true) 1 else 2|<v6>, <v7>) -> <v8>]
 L2:
-    r(2)                                                                                                                           PREV:[jf(L2)]
+    r(2) -> <v7>                                                                                                                            PREV:[jf(L2|<v5>)]
 L3:
-    w(x)                                                                                                                           PREV:[jmp(L3), r(2)]
+    magic(if (true) 1 else 2|<v6>, <v7>) -> <v8>                                                                                            PREV:[jmp(L3), r(2) -> <v7>]
+    w(x|<v8>)
     v(val y = true && false)
-    r(true)
+    r(true) -> <v9>
-    jf(L4)                                                                                                                         NEXT:[r(true && false), r(false)]
+    jf(L4|<v9>)                                                                                                                             NEXT:[magic(true && false|<v9>, <v10>) -> <v11>, r(false) -> <v10>]
-    r(false)
+    r(false) -> <v10>
 L4:
-    r(true && false)                                                                                                               PREV:[jf(L4), r(false)]
+    magic(true && false|<v9>, <v10>) -> <v11>                                                                                               PREV:[jf(L4|<v9>), r(false) -> <v10>]
-    w(y)
+    w(y|<v11>)
     v(val z = false && true)
-    r(false)
+    r(false) -> <v12>
-    jf(L5)                                                                                                                         NEXT:[r(false && true), r(true)]
+    jf(L5|<v12>)                                                                                                                            NEXT:[magic(false && true|<v12>, <v13>) -> <v14>, r(true) -> <v13>]
-    r(true)
+    r(true) -> <v13>
 L5:
-    r(false && true)                                                                                                               PREV:[jf(L5), r(true)]
+    magic(false && true|<v12>, <v13>) -> <v14>                                                                                              PREV:[jf(L5|<v12>), r(true) -> <v13>]
-    w(z)
+    w(z|<v14>)
     v(val t = Test())
     mark(Test())
-    call(Test, <init>)
+    call(Test, <init>) -> <v15>
-    w(t)
+    w(t|<v15>)
-    r(1)
+    r(1) -> <v16>
-    r(t)
+    r(t) -> <v17>
-    w(t.x)
+    w(t.x|<v17>, <v16>)
+    mark(t.x += 1)
+    mark(t.x)
+    r(t) -> <v18>
+    r(x|<v18>) -> <v19>
+    r(1) -> <v20>
+    call(+=, plus|<v19>, <v20>) -> <v21>
+    r(t) -> <v22>
+    w(t.x|<v22>, <v21>)
 L1:
-  1 <END>                                                                                                                          NEXT:[<SINK>]
+  1 <END>                                                                                                                                   NEXT:[<SINK>]
 error:
-    <ERROR>                                                                                                                        PREV:[]
+    <ERROR>                                                                                                                                 PREV:[]
 sink:
-    <SINK>                                                                                                                         PREV:[<ERROR>, <END>]
+    <SINK>                                                                                                                                  PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/expressions/Assignments.kt

@@ -14,4 +14,5 @@ fun assignments() : Unit {
 
     val t = Test();
     t.x = 1
+    t.x += 1
 }

compiler/testData/cfg/expressions/LazyBooleans.instructions

@@ -20,63 +20,68 @@ fun lazyBooleans(a : Boolean, b : Boolean) : Unit {
 L0:
   1 <START>
     v(a : Boolean)
-    w(a)
+    magic(a : Boolean) -> <v0>
+    w(a|<v0>)
     v(b : Boolean)
-    w(b)
+    magic(b : Boolean) -> <v1>
+    w(b|<v1>)
   2 mark({ if (a) { 1 } else { 2 } 3 if (a && b) 5 else 6 7 if (a || b) 8 else 9 10 if (a) 11 12 if (a) else 13 14 })
     mark(if (a) { 1 } else { 2 })
-    r(a)
+    r(a) -> <v2>
-    jf(L2)                                                                                                               NEXT:[mark({ 2 }), mark({ 1 })]
+    jf(L2|<v2>)                                                                                                          NEXT:[mark({ 2 }), mark({ 1 })]
   3 mark({ 1 })
-    r(1)
+    r(1) -> <v3>
-  2 jmp(L3)                                                                                                              NEXT:[r(3)]
+  2 jmp(L3)                                                                                                              NEXT:[magic(if (a) { 1 } else { 2 }|<v3>, <v4>) -> <v5>]
 L2:
-  3 mark({ 2 })                                                                                                          PREV:[jf(L2)]
+  3 mark({ 2 })                                                                                                          PREV:[jf(L2|<v2>)]
-    r(2)
+    r(2) -> <v4>
 L3:
-  2 r(3)                                                                                                                 PREV:[jmp(L3), r(2)]
+  2 magic(if (a) { 1 } else { 2 }|<v3>, <v4>) -> <v5>                                                                    PREV:[jmp(L3), r(2) -> <v4>]
+    r(3) -> <v6>
     mark(if (a && b) 5 else 6)
-    r(a)
+    r(a) -> <v7>
-    jf(L4)                                                                                                               NEXT:[jf(L5), r(b)]
+    jf(L4|<v7>)                                                                                                          NEXT:[jf(L5), r(b) -> <v8>]
-    r(b)
+    r(b) -> <v8>
 L4:
-    jf(L5)                                                                                                               NEXT:[r(6), r(5)]                                                                                                           PREV:[jf(L4), r(b)]
+    jf(L5)                                                                                                               NEXT:[r(6) -> <v10>, r(5) -> <v9>]                                                                                          PREV:[jf(L4|<v7>), r(b) -> <v8>]
-    r(5)
+    r(5) -> <v9>
-    jmp(L6)                                                                                                              NEXT:[r(7)]
+    jmp(L6)                                                                                                              NEXT:[magic(if (a && b) 5 else 6|<v9>, <v10>) -> <v11>]
 L5:
-    r(6)                                                                                                                 PREV:[jf(L5)]
+    r(6) -> <v10>                                                                                                        PREV:[jf(L5)]
 L6:
-    r(7)                                                                                                                 PREV:[jmp(L6), r(6)]
+    magic(if (a && b) 5 else 6|<v9>, <v10>) -> <v11>                                                                     PREV:[jmp(L6), r(6) -> <v10>]
+    r(7) -> <v12>
     mark(if (a || b) 8 else 9)
-    r(a)
+    r(a) -> <v13>
-    jt(L7)                                                                                                               NEXT:[r(b), jf(L8)]
+    jt(L7|<v13>)                                                                                                         NEXT:[r(b) -> <v14>, jf(L8)]
-    r(b)
+    r(b) -> <v14>
 L7:
-    jf(L8)                                                                                                               NEXT:[r(9), r(8)]                                                                                                           PREV:[jt(L7), r(b)]
+    jf(L8)                                                                                                               NEXT:[r(9) -> <v16>, r(8) -> <v15>]                                                                                         PREV:[jt(L7|<v13>), r(b) -> <v14>]
-    r(8)
+    r(8) -> <v15>
-    jmp(L9)                                                                                                              NEXT:[r(10)]
+    jmp(L9)                                                                                                              NEXT:[magic(if (a || b) 8 else 9|<v15>, <v16>) -> <v17>]
 L8:
-    r(9)                                                                                                                 PREV:[jf(L8)]
+    r(9) -> <v16>                                                                                                        PREV:[jf(L8)]
 L9:
-    r(10)                                                                                                                PREV:[jmp(L9), r(9)]
+    magic(if (a || b) 8 else 9|<v15>, <v16>) -> <v17>                                                                    PREV:[jmp(L9), r(9) -> <v16>]
+    r(10) -> <v18>
     mark(if (a) 11)
-    r(a)
+    r(a) -> <v19>
-    jf(L10)                                                                                                              NEXT:[read (Unit), r(11)]
+    jf(L10|<v19>)                                                                                                        NEXT:[read (Unit), r(11) -> <v20>]
-    r(11)
+    r(11) -> <v20>
-    jmp(L11)                                                                                                             NEXT:[r(12)]
+    jmp(L11)                                                                                                             NEXT:[r(12) -> <v21>]
 L10:
-    read (Unit)                                                                                                          PREV:[jf(L10)]
+    read (Unit)                                                                                                          PREV:[jf(L10|<v19>)]
 L11:
-    r(12)                                                                                                                PREV:[jmp(L11), read (Unit)]
+    r(12) -> <v21>                                                                                                       PREV:[jmp(L11), read (Unit)]
     mark(if (a) else 13)
-    r(a)
+    r(a) -> <v22>
-    jf(L12)                                                                                                              NEXT:[r(13), read (Unit)]
+    jf(L12|<v22>)                                                                                                        NEXT:[r(13) -> <v23>, read (Unit)]
     read (Unit)
-    jmp(L13)                                                                                                             NEXT:[r(14)]
+    jmp(L13)                                                                                                             NEXT:[r(14) -> <v24>]
 L12:
-    r(13)                                                                                                                PREV:[jf(L12)]
+    r(13) -> <v23>                                                                                                       PREV:[jf(L12|<v22>)]
 L13:
-    r(14)                                                                                                                PREV:[jmp(L13), r(13)]
+    r(14) -> <v24>                                                                                                       PREV:[jmp(L13), r(13) -> <v23>]
 L1:
   1 <END>                                                                                                                NEXT:[<SINK>]
 error:

compiler/testData/cfg/expressions/ReturnFromExpression.instructions

@@ -6,17 +6,17 @@ fun blockAndAndMismatch() : Boolean {
 L0:
   1 <START>
   2 mark({ false || (return false) })
-    r(false)
+    r(false) -> <v0>
-    jt(L2)                               NEXT:[mark((return false)), r(false || (return false))]
+    jt(L2|<v0>)                                    NEXT:[mark((return false)), magic(false || (return false)|<v0>) -> <v2>]
     mark((return false))
-    r(false)
+    r(false) -> <v1>
-    ret(*) L1                            NEXT:[<END>]
+    ret(*|<v1>) L1                                 NEXT:[<END>]
 L2:
-    r(false || (return false))           PREV:[jt(L2)]
+    magic(false || (return false)|<v0>) -> <v2>    PREV:[jt(L2|<v0>)]
 L1:
-  1 <END>                                NEXT:[<SINK>]                                              PREV:[ret(*) L1, r(false || (return false))]
+  1 <END>                                          NEXT:[<SINK>]                                                               PREV:[ret(*|<v1>) L1, magic(false || (return false)|<v0>) -> <v2>]
 error:
-    <ERROR>                              PREV:[]
+    <ERROR>                                        PREV:[]
 sink:
-    <SINK>                               PREV:[<ERROR>, <END>]
+    <SINK>                                         PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/expressions/assignmentToThis.instructions

@@ -6,9 +6,10 @@ fun Int.bar(c: C) {
 L0:
   1 <START>
     v(c: C)
-    w(c)
+    magic(c: C) -> <v0>
+    w(c|<v0>)
   2 mark({ this = c })
-    r(c)
+    r(c) -> <v1>
     unsupported(BINARY_EXPRESSION : this = c)
 L1:
   1 <END>                                        NEXT:[<SINK>]

compiler/testData/cfg/expressions/chainedQualifiedExpression.instructions

@@ -62,8 +62,8 @@ L0:
   1 <START>
   2 mark({ val inTopLevel = 1.0 BunchKeywordRegister() .add(ABSTRACT_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(FINAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(OPEN_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(INTERNAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PRIVATE_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PROTECTED_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PUBLIC_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(CLASS_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(ENUM_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(FUN_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(GET_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(SET_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(TRAIT_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(VAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(VAR_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(TYPE_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(IMPORT_KEYWORD, inTopLevel) .add(PACKAGE_KEYWORD, inTopLevel) .add(OVERRIDE_KEYWORD, inTopLevel) .add(IN_KEYWORD, inTopLevel, inTopLevel) .add(OUT_KEYWORD, inTopLevel) .add(OBJECT_KEYWORD, unresolvedCode) .registerAll() })
     v(val inTopLevel = 1.0)
-    r(1.0)
+    r(1.0) -> <v0>
-    w(inTopLevel)
+    w(inTopLevel|<v0>)
     mark(BunchKeywordRegister() .add(ABSTRACT_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(FINAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(OPEN_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(INTERNAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PRIVATE_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PROTECTED_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PUBLIC_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(CLASS_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(ENUM_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(FUN_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(GET_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(SET_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(TRAIT_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(VAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(VAR_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(TYPE_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(IMPORT_KEYWORD, inTopLevel) .add(PACKAGE_KEYWORD, inTopLevel) .add(OVERRIDE_KEYWORD, inTopLevel) .add(IN_KEYWORD, inTopLevel, inTopLevel) .add(OUT_KEYWORD, inTopLevel) .add(OBJECT_KEYWORD, unresolvedCode) .registerAll())
     mark(registerAll())
     mark(BunchKeywordRegister() .add(ABSTRACT_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(FINAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(OPEN_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(INTERNAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PRIVATE_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PROTECTED_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(PUBLIC_KEYWORD, inTopLevel, inTopLevel, inTopLevel, inTopLevel) .add(CLASS_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(ENUM_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(FUN_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(GET_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(SET_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(TRAIT_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(VAL_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(VAR_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(TYPE_KEYWORD, inTopLevel, inTopLevel, inTopLevel) .add(IMPORT_KEYWORD, inTopLevel) .add(PACKAGE_KEYWORD, inTopLevel) .add(OVERRIDE_KEYWORD, inTopLevel) .add(IN_KEYWORD, inTopLevel, inTopLevel) .add(OUT_KEYWORD, inTopLevel) .add(OBJECT_KEYWORD, unresolvedCode))
@@ -111,111 +111,112 @@ L0:
     mark(BunchKeywordRegister() .add(ABSTRACT_KEYWORD, inTopLevel, inTopLevel, inTopLevel))
     mark(add(ABSTRACT_KEYWORD, inTopLevel, inTopLevel, inTopLevel))
     mark(BunchKeywordRegister())
-    call(BunchKeywordRegister, <init>)
+    call(BunchKeywordRegister, <init>) -> <v1>
-    r(ABSTRACT_KEYWORD)
+    r(ABSTRACT_KEYWORD) -> <v2>
-    r(inTopLevel)
+    r(inTopLevel) -> <v3>
-    r(inTopLevel)
+    r(inTopLevel) -> <v4>
-    r(inTopLevel)
+    r(inTopLevel) -> <v5>
-    call(add, add)
+    call(add, add|<v1>, <v2>, <v3>, <v4>, <v5>) -> <v6>
-    r(FINAL_KEYWORD)
+    r(FINAL_KEYWORD) -> <v7>
-    r(inTopLevel)
+    r(inTopLevel) -> <v8>
-    r(inTopLevel)
+    r(inTopLevel) -> <v9>
-    r(inTopLevel)
+    r(inTopLevel) -> <v10>
-    call(add, add)
+    call(add, add|<v6>, <v7>, <v8>, <v9>, <v10>) -> <v11>
-    r(OPEN_KEYWORD)
+    r(OPEN_KEYWORD) -> <v12>
-    r(inTopLevel)
+    r(inTopLevel) -> <v13>
-    r(inTopLevel)
+    r(inTopLevel) -> <v14>
-    r(inTopLevel)
+    r(inTopLevel) -> <v15>
-    call(add, add)
+    call(add, add|<v11>, <v12>, <v13>, <v14>, <v15>) -> <v16>
-    r(INTERNAL_KEYWORD)
+    r(INTERNAL_KEYWORD) -> <v17>
-    r(inTopLevel)
+    r(inTopLevel) -> <v18>
-    r(inTopLevel)
+    r(inTopLevel) -> <v19>
-    r(inTopLevel)
+    r(inTopLevel) -> <v20>
-    r(inTopLevel)
+    r(inTopLevel) -> <v21>
-    call(add, add)
+    call(add, add|<v16>, <v17>, <v18>, <v19>, <v20>, <v21>) -> <v22>
-    r(PRIVATE_KEYWORD)
+    r(PRIVATE_KEYWORD) -> <v23>
-    r(inTopLevel)
+    r(inTopLevel) -> <v24>
-    r(inTopLevel)
+    r(inTopLevel) -> <v25>
-    r(inTopLevel)
+    r(inTopLevel) -> <v26>
-    r(inTopLevel)
+    r(inTopLevel) -> <v27>
-    call(add, add)
+    call(add, add|<v22>, <v23>, <v24>, <v25>, <v26>, <v27>) -> <v28>
-    r(PROTECTED_KEYWORD)
+    r(PROTECTED_KEYWORD) -> <v29>
-    r(inTopLevel)
+    r(inTopLevel) -> <v30>
-    r(inTopLevel)
+    r(inTopLevel) -> <v31>
-    r(inTopLevel)
+    r(inTopLevel) -> <v32>
-    r(inTopLevel)
+    r(inTopLevel) -> <v33>
-    call(add, add)
+    call(add, add|<v28>, <v29>, <v30>, <v31>, <v32>, <v33>) -> <v34>
-    r(PUBLIC_KEYWORD)
+    r(PUBLIC_KEYWORD) -> <v35>
-    r(inTopLevel)
+    r(inTopLevel) -> <v36>
-    r(inTopLevel)
+    r(inTopLevel) -> <v37>
-    r(inTopLevel)
+    r(inTopLevel) -> <v38>
-    r(inTopLevel)
+    r(inTopLevel) -> <v39>
-    call(add, add)
+    call(add, add|<v34>, <v35>, <v36>, <v37>, <v38>, <v39>) -> <v40>
-    r(CLASS_KEYWORD)
+    r(CLASS_KEYWORD) -> <v41>
-    r(inTopLevel)
+    r(inTopLevel) -> <v42>
-    r(inTopLevel)
+    r(inTopLevel) -> <v43>
-    r(inTopLevel)
+    r(inTopLevel) -> <v44>
-    call(add, add)
+    call(add, add|<v40>, <v41>, <v42>, <v43>, <v44>) -> <v45>
-    r(ENUM_KEYWORD)
+    r(ENUM_KEYWORD) -> <v46>
-    r(inTopLevel)
+    r(inTopLevel) -> <v47>
-    r(inTopLevel)
+    r(inTopLevel) -> <v48>
-    r(inTopLevel)
+    r(inTopLevel) -> <v49>
-    call(add, add)
+    call(add, add|<v45>, <v46>, <v47>, <v48>, <v49>) -> <v50>
-    r(FUN_KEYWORD)
+    r(FUN_KEYWORD) -> <v51>
-    r(inTopLevel)
+    r(inTopLevel) -> <v52>
-    r(inTopLevel)
+    r(inTopLevel) -> <v53>
-    r(inTopLevel)
+    r(inTopLevel) -> <v54>
-    call(add, add)
+    call(add, add|<v50>, <v51>, <v52>, <v53>, <v54>) -> <v55>
-    r(GET_KEYWORD)
+    r(GET_KEYWORD) -> <v56>
-    r(inTopLevel)
+    r(inTopLevel) -> <v57>
-    r(inTopLevel)
+    r(inTopLevel) -> <v58>
-    r(inTopLevel)
+    r(inTopLevel) -> <v59>
-    call(add, add)
+    call(add, add|<v55>, <v56>, <v57>, <v58>, <v59>) -> <v60>
-    r(SET_KEYWORD)
+    r(SET_KEYWORD) -> <v61>
-    r(inTopLevel)
+    r(inTopLevel) -> <v62>
-    r(inTopLevel)
+    r(inTopLevel) -> <v63>
-    r(inTopLevel)
+    r(inTopLevel) -> <v64>
-    call(add, add)
+    call(add, add|<v60>, <v61>, <v62>, <v63>, <v64>) -> <v65>
-    r(TRAIT_KEYWORD)
+    r(TRAIT_KEYWORD) -> <v66>
-    r(inTopLevel)
+    r(inTopLevel) -> <v67>
-    r(inTopLevel)
+    r(inTopLevel) -> <v68>
-    r(inTopLevel)
+    r(inTopLevel) -> <v69>
-    call(add, add)
+    call(add, add|<v65>, <v66>, <v67>, <v68>, <v69>) -> <v70>
-    r(VAL_KEYWORD)
+    r(VAL_KEYWORD) -> <v71>
-    r(inTopLevel)
+    r(inTopLevel) -> <v72>
-    r(inTopLevel)
+    r(inTopLevel) -> <v73>
-    r(inTopLevel)
+    r(inTopLevel) -> <v74>
-    call(add, add)
+    call(add, add|<v70>, <v71>, <v72>, <v73>, <v74>) -> <v75>
-    r(VAR_KEYWORD)
+    r(VAR_KEYWORD) -> <v76>
-    r(inTopLevel)
+    r(inTopLevel) -> <v77>
-    r(inTopLevel)
+    r(inTopLevel) -> <v78>
-    r(inTopLevel)
+    r(inTopLevel) -> <v79>
-    call(add, add)
+    call(add, add|<v75>, <v76>, <v77>, <v78>, <v79>) -> <v80>
-    r(TYPE_KEYWORD)
+    r(TYPE_KEYWORD) -> <v81>
-    r(inTopLevel)
+    r(inTopLevel) -> <v82>
-    r(inTopLevel)
+    r(inTopLevel) -> <v83>
-    r(inTopLevel)
+    r(inTopLevel) -> <v84>
-    call(add, add)
+    call(add, add|<v80>, <v81>, <v82>, <v83>, <v84>) -> <v85>
-    r(IMPORT_KEYWORD)
+    r(IMPORT_KEYWORD) -> <v86>
-    r(inTopLevel)
+    r(inTopLevel) -> <v87>
-    call(add, add)
+    call(add, add|<v85>, <v86>, <v87>) -> <v88>
-    r(PACKAGE_KEYWORD)
+    r(PACKAGE_KEYWORD) -> <v89>
-    r(inTopLevel)
+    r(inTopLevel) -> <v90>
-    call(add, add)
+    call(add, add|<v88>, <v89>, <v90>) -> <v91>
-    r(OVERRIDE_KEYWORD)
+    r(OVERRIDE_KEYWORD) -> <v92>
-    r(inTopLevel)
+    r(inTopLevel) -> <v93>
-    call(add, add)
+    call(add, add|<v91>, <v92>, <v93>) -> <v94>
-    r(IN_KEYWORD)
+    r(IN_KEYWORD) -> <v95>
-    r(inTopLevel)
+    r(inTopLevel) -> <v96>
-    r(inTopLevel)
+    r(inTopLevel) -> <v97>
-    call(add, add)
+    call(add, add|<v94>, <v95>, <v96>, <v97>) -> <v98>
-    r(OUT_KEYWORD)
+    r(OUT_KEYWORD) -> <v99>
-    r(inTopLevel)
+    r(inTopLevel) -> <v100>
-    call(add, add)
+    call(add, add|<v98>, <v99>, <v100>) -> <v101>
-    r(OBJECT_KEYWORD)
+    r(OBJECT_KEYWORD) -> <v102>
     error(unresolvedCode, No resolved call)
-    call(add, add)
+    magic(unresolvedCode) -> <v103>
-    call(registerAll, registerAll)
+    call(add, add|<v101>, <v102>, <v103>) -> <v104>
+    call(registerAll, registerAll|<v104>) -> <v105>
 L1:
   1 <END>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     NEXT:[<SINK>]
 error:
@@ -230,8 +231,8 @@ L0:
   1 <START>
     v(val ABSTRACT_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(ABSTRACT_KEYWORD)
+    w(ABSTRACT_KEYWORD|<v0>)
 L1:
     <END>                                   NEXT:[<SINK>]
 error:
@@ -259,8 +260,8 @@ L0:
   1 <START>
     v(val OPEN_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(OPEN_KEYWORD)
+    w(OPEN_KEYWORD|<v0>)
 L1:
     <END>                               NEXT:[<SINK>]
 error:
@@ -275,8 +276,8 @@ L0:
   1 <START>
     v(val INTERNAL_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(INTERNAL_KEYWORD)
+    w(INTERNAL_KEYWORD|<v0>)
 L1:
     <END>                                   NEXT:[<SINK>]
 error:
@@ -291,8 +292,8 @@ L0:
   1 <START>
     v(val PRIVATE_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(PRIVATE_KEYWORD)
+    w(PRIVATE_KEYWORD|<v0>)
 L1:
     <END>                                  NEXT:[<SINK>]
 error:
@@ -307,8 +308,8 @@ L0:
   1 <START>
     v(val PROTECTED_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(PROTECTED_KEYWORD)
+    w(PROTECTED_KEYWORD|<v0>)
 L1:
     <END>                                    NEXT:[<SINK>]
 error:
@@ -323,8 +324,8 @@ L0:
   1 <START>
     v(val PUBLIC_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(PUBLIC_KEYWORD)
+    w(PUBLIC_KEYWORD|<v0>)
 L1:
     <END>                                 NEXT:[<SINK>]
 error:
@@ -339,8 +340,8 @@ L0:
   1 <START>
     v(val CLASS_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(CLASS_KEYWORD)
+    w(CLASS_KEYWORD|<v0>)
 L1:
     <END>                                NEXT:[<SINK>]
 error:
@@ -355,8 +356,8 @@ L0:
   1 <START>
     v(val ENUM_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(ENUM_KEYWORD)
+    w(ENUM_KEYWORD|<v0>)
 L1:
     <END>                               NEXT:[<SINK>]
 error:
@@ -371,8 +372,8 @@ L0:
   1 <START>
     v(val FUN_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(FUN_KEYWORD)
+    w(FUN_KEYWORD|<v0>)
 L1:
     <END>                              NEXT:[<SINK>]
 error:
@@ -387,8 +388,8 @@ L0:
   1 <START>
     v(val GET_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(GET_KEYWORD)
+    w(GET_KEYWORD|<v0>)
 L1:
     <END>                              NEXT:[<SINK>]
 error:
@@ -403,8 +404,8 @@ L0:
   1 <START>
     v(val SET_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(SET_KEYWORD)
+    w(SET_KEYWORD|<v0>)
 L1:
     <END>                              NEXT:[<SINK>]
 error:
@@ -419,8 +420,8 @@ L0:
   1 <START>
     v(val TRAIT_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(TRAIT_KEYWORD)
+    w(TRAIT_KEYWORD|<v0>)
 L1:
     <END>                                NEXT:[<SINK>]
 error:
@@ -435,8 +436,8 @@ L0:
   1 <START>
     v(val VAL_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(VAL_KEYWORD)
+    w(VAL_KEYWORD|<v0>)
 L1:
     <END>                              NEXT:[<SINK>]
 error:
@@ -451,8 +452,8 @@ L0:
   1 <START>
     v(val VAR_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(VAR_KEYWORD)
+    w(VAR_KEYWORD|<v0>)
 L1:
     <END>                              NEXT:[<SINK>]
 error:
@@ -467,8 +468,8 @@ L0:
   1 <START>
     v(val TYPE_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(TYPE_KEYWORD)
+    w(TYPE_KEYWORD|<v0>)
 L1:
     <END>                               NEXT:[<SINK>]
 error:
@@ -483,8 +484,8 @@ L0:
   1 <START>
     v(val IMPORT_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(IMPORT_KEYWORD)
+    w(IMPORT_KEYWORD|<v0>)
 L1:
     <END>                                 NEXT:[<SINK>]
 error:
@@ -499,8 +500,8 @@ L0:
   1 <START>
     v(val PACKAGE_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(PACKAGE_KEYWORD)
+    w(PACKAGE_KEYWORD|<v0>)
 L1:
     <END>                                  NEXT:[<SINK>]
 error:
@@ -515,8 +516,8 @@ L0:
   1 <START>
     v(val OVERRIDE_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(OVERRIDE_KEYWORD)
+    w(OVERRIDE_KEYWORD|<v0>)
 L1:
     <END>                                   NEXT:[<SINK>]
 error:
@@ -531,8 +532,8 @@ L0:
   1 <START>
     v(val IN_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(IN_KEYWORD)
+    w(IN_KEYWORD|<v0>)
 L1:
     <END>                             NEXT:[<SINK>]
 error:
@@ -547,8 +548,8 @@ L0:
   1 <START>
     v(val OUT_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(OUT_KEYWORD)
+    w(OUT_KEYWORD|<v0>)
 L1:
     <END>                              NEXT:[<SINK>]
 error:
@@ -563,8 +564,8 @@ L0:
   1 <START>
     v(val OBJECT_KEYWORD = JetToken())
     mark(JetToken())
-    call(JetToken, <init>)
+    call(JetToken, <init>) -> <v0>
-    w(OBJECT_KEYWORD)
+    w(OBJECT_KEYWORD|<v0>)
 L1:
     <END>                                 NEXT:[<SINK>]
 error:

compiler/testData/cfg/expressions/expressionAsFunction.instructions

@@ -6,16 +6,17 @@ fun invoke(f: () -> Unit) {
 L0:
   1 <START>
     v(f: () -> Unit)
-    w(f)
+    magic(f: () -> Unit) -> <v0>
+    w(f|<v0>)
   2 mark({ (f)() })
     mark((f)())
     mark((f))
-    r(f)
+    r(f) -> <v1>
-    call((f), invoke)
+    call((f), invoke|<v1>) -> <v2>
 L1:
-  1 <END>                NEXT:[<SINK>]
+  1 <END>                             NEXT:[<SINK>]
 error:
-    <ERROR>              PREV:[]
+    <ERROR>                           PREV:[]
 sink:
-    <SINK>               PREV:[<ERROR>, <END>]
+    <SINK>                            PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/expressions/nothingExpr.instructions

@@ -0,0 +1,58 @@
+== doSomething ==
+fun Any?.doSomething() {}
+---------------------
+L0:
+  1 <START>
+  2 mark({})
+    read (Unit)
+L1:
+  1 <END>          NEXT:[<SINK>]
+error:
+    <ERROR>        PREV:[]
+sink:
+    <SINK>         PREV:[<ERROR>, <END>]
+=====================
+== bar ==
+fun bar(): Nothing = throw Exception()
+---------------------
+L0:
+  1 <START>
+    mark(throw Exception())
+    mark(Exception())
+    call(Exception, <init>) -> <v0>
+    throw (throw Exception()|<v0>)     NEXT:[<ERROR>]
+L1:
+    <END>                              NEXT:[<SINK>]                             PREV:[]
+error:
+    <ERROR>                            PREV:[throw (throw Exception()|<v0>)]
+sink:
+    <SINK>                             PREV:[<ERROR>, <END>]
+=====================
+== foo ==
+fun foo() {
+    null!!.doSomething()
+    bar().doSomething
+}
+---------------------
+L0:
+  1 <START>
+  2 mark({ null!!.doSomething() bar().doSomething })
+    mark(null!!.doSomething())
+    mark(doSomething())
+    mark(null!!)
+    r(null) -> <v0>
+    magic(null!!|<v0>) -> <v1>
+    jmp(error)                                          NEXT:[<ERROR>]
+-   call(doSomething, doSomething|<v1>) -> <v2>         PREV:[]
+-   mark(bar().doSomething)                             PREV:[]
+-   mark(bar())                                         PREV:[]
+-   call(bar, bar)                                      PREV:[]
+-   jmp(error)                                          NEXT:[<ERROR>]                                             PREV:[]
+-   call(doSomething, doSomething) -> <v3>              PREV:[]
+L1:
+  1 <END>                                               NEXT:[<SINK>]                                              PREV:[]
+error:
+    <ERROR>                                             PREV:[jmp(error)]
+sink:
+    <SINK>                                              PREV:[<ERROR>, <END>]
+=====================

compiler/testData/cfg/expressions/nothingExpr.kt

@@ -0,0 +1,8 @@
+fun Any?.doSomething() {}
+
+fun bar(): Nothing = throw Exception()
+
+fun foo() {
+    null!!.doSomething()
+    bar().doSomething
+}

compiler/testData/cfg/expressions/propertySafeCall.instructions

@@ -6,15 +6,16 @@ fun test(s: String?) {
 L0:
   1 <START>
     v(s: String?)
-    w(s)
+    magic(s: String?) -> <v0>
+    w(s|<v0>)
   2 mark({ s?.length })
     mark(s?.length)
-    r(s)
+    r(s) -> <v1>
-    r(length)
+    r(length|<v1>) -> <v2>
 L1:
-  1 <END>                  NEXT:[<SINK>]
+  1 <END>                        NEXT:[<SINK>]
 error:
-    <ERROR>                PREV:[]
+    <ERROR>                      PREV:[]
 sink:
-    <SINK>                 PREV:[<ERROR>, <END>]
+    <SINK>                       PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/expressions/qualifiedExpressionWithoutSelector.instructions

@@ -6,14 +6,16 @@ fun foo(s: String) {
 L0:
   1 <START>
     v(s: String)
-    w(s)
+    magic(s: String) -> <v0>
+    w(s|<v0>)
   2 mark({ s. })
     mark(s.)
-    r(s)
+    r(s) -> <v1>
+    magic(s.|<v1>) -> <v2>
 L1:
-  1 <END>           NEXT:[<SINK>]
+  1 <END>                       NEXT:[<SINK>]
 error:
-    <ERROR>         PREV:[]
+    <ERROR>                     PREV:[]
 sink:
-    <SINK>          PREV:[<ERROR>, <END>]
+    <SINK>                      PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/expressions/thisExpression.instructions

@@ -7,11 +7,11 @@ L0:
   1 <START>
   2 mark({ this() })
     mark(this())
-    call(this, invoke)
+    call(this, invoke) -> <v0>
 L1:
-  1 <END>                 NEXT:[<SINK>]
+  1 <END>                         NEXT:[<SINK>]
 error:
-    <ERROR>               PREV:[]
+    <ERROR>                       PREV:[]
 sink:
-    <SINK>                PREV:[<ERROR>, <END>]
+    <SINK>                        PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/expressions/unresolvedCall.instructions

@@ -6,13 +6,15 @@ fun test(a: Any) {
 L0:
   1 <START>
     v(a: Any)
-    w(a)
+    magic(a: Any) -> <v0>
+    w(a|<v0>)
   2 mark({ a.foo() })
     mark(a.foo())
     mark(foo())
     error(foo, No resolved call)
     error(foo, No resolved call)
-    r(a)
+    r(a) -> <v1>
+    magic(foo|<v1>) -> <v2>
 L1:
   1 <END>                           NEXT:[<SINK>]
 error:

compiler/testData/cfg/expressions/unresolvedProperty.instructions

@@ -0,0 +1,22 @@
+== test ==
+fun test(a: Any) {
+    a.foo
+}
+---------------------
+L0:
+  1 <START>
+    v(a: Any)
+    magic(a: Any) -> <v0>
+    w(a|<v0>)
+  2 mark({ a.foo })
+    mark(a.foo)
+    error(foo, No resolved call)
+    r(a) -> <v1>
+    magic(foo|<v1>) -> <v2>
+L1:
+  1 <END>                           NEXT:[<SINK>]
+error:
+    <ERROR>                         PREV:[]
+sink:
+    <SINK>                          PREV:[<ERROR>, <END>]
+=====================

compiler/testData/cfg/expressions/unresolvedProperty.kt

@@ -0,0 +1,3 @@
+fun test(a: Any) {
+    a.foo
+}

compiler/testData/cfg/expressions/unusedExpressionSimpleName.instructions

@@ -6,13 +6,15 @@ fun main(arg : Array<String>) {
 L0:
   1 <START>
     v(arg : Array<String>)
-    w(arg)
+    magic(arg : Array<String>) -> <v0>
+    w(arg|<v0>)
   2 mark({ a })
     error(a, No resolved call)
+    magic(a) -> <v1>
 L1:
-  1 <END>                         NEXT:[<SINK>]
+  1 <END>                                 NEXT:[<SINK>]
 error:
-    <ERROR>                       PREV:[]
+    <ERROR>                               PREV:[]
 sink:
-    <SINK>                        PREV:[<ERROR>, <END>]
+    <SINK>                                PREV:[<ERROR>, <END>]
 =====================

compiler/testData/cfg/tailCalls/finally.instructions

@@ -19,13 +19,13 @@ L2 [onExceptionToFinallyBlock]:
 L4 [start finally]:
   3 mark({ test() })                                      PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
     mark(test())
-    call(test, test)
+    call(test, test) -> <v0>
 L5 [finish finally]:
   2 jmp(error)                                            NEXT:[<ERROR>]
 L3 [skipFinallyToErrorBlock]:
   3 mark({ test() })                                      PREV:[jmp(L3 [skipFinallyToErrorBlock])]
     mark(test())
-    call(test, test)
+    call(test, test) -> <v0>
 L1:
   1 <END>                                                 NEXT:[<SINK>]
 error:

compiler/testData/cfg/tailCalls/finallyWithReturn.instructions

@@ -19,17 +19,17 @@ L2 [onExceptionToFinallyBlock]:
 L4 [start finally]:
   3 mark({ return test() })                                      PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
     mark(test())
-    call(test, test)
+    call(test, test) -> <v0>
-    ret(*) L1                                                    NEXT:[<END>]
+    ret(*|<v0>) L1                                               NEXT:[<END>]
 L5 [finish finally]:
 - 2 jmp(error)                                                   NEXT:[<ERROR>]                                                      PREV:[]
 L3 [skipFinallyToErrorBlock]:
   3 mark({ return test() })                                      PREV:[jmp(L3 [skipFinallyToErrorBlock])]
     mark(test())
-    call(test, test)
+    call(test, test) -> <v0>
-    ret(*) L1
+    ret(*|<v0>) L1
 L1:
-  1 <END>                                                        NEXT:[<SINK>]                                                       PREV:[ret(*) L1, ret(*) L1]
+  1 <END>                                                        NEXT:[<SINK>]                                                       PREV:[ret(*|<v0>) L1, ret(*|<v0>) L1]
 error:
     <ERROR>                                                      PREV:[]
 sink:

compiler/testData/cfg/tailCalls/sum.instructions

@@ -7,38 +7,40 @@ tailRecursive fun sum(x: Long, sum: Long): Long {
 L0:
   1 <START>
     v(x: Long)
-    w(x)
+    magic(x: Long) -> <v0>
+    w(x|<v0>)
     v(sum: Long)
-    w(sum)
+    magic(sum: Long) -> <v1>
+    w(sum|<v1>)
   2 mark({ if (x == 0.toLong()) return sum return sum(x - 1, sum + x) })
     mark(if (x == 0.toLong()) return sum)
     mark(x == 0.toLong())
-    r(x)
+    r(x) -> <v2>
     mark(0.toLong())
     mark(toLong())
-    r(0)
+    r(0) -> <v3>
-    call(toLong, toLong)
+    call(toLong, toLong|<v3>) -> <v4>
-    call(==, equals)
+    call(==, equals|<v2>, <v4>) -> <v5>
-    jf(L2)                                                                  NEXT:[read (Unit), r(sum)]
+    jf(L2|<v5>)                                                             NEXT:[read (Unit), r(sum) -> <v6>]
-    r(sum)
+    r(sum) -> <v6>
-    ret(*) L1                                                               NEXT:[<END>]
+    ret(*|<v6>) L1                                                          NEXT:[<END>]
 -   jmp(L3)                                                                 NEXT:[mark(sum(x - 1, sum + x))]                                               PREV:[]
 L2:
-    read (Unit)                                                             PREV:[jf(L2)]
+    read (Unit)                                                             PREV:[jf(L2|<v5>)]
 L3:
     mark(sum(x - 1, sum + x))
     mark(x - 1)
-    r(x)
+    r(x) -> <v7>
-    r(1)
+    r(1) -> <v8>
-    call(-, minus)
+    call(-, minus|<v7>, <v8>) -> <v9>
     mark(sum + x)
-    r(sum)
+    r(sum) -> <v10>
-    r(x)
+    r(x) -> <v11>
-    call(+, plus)
+    call(+, plus|<v10>, <v11>) -> <v12>
-    call(sum, sum)
+    call(sum, sum|<v9>, <v12>) -> <v13>
-    ret(*) L1
+    ret(*|<v13>) L1
 L1:
-  1 <END>                                                                   NEXT:[<SINK>]                                                                  PREV:[ret(*) L1, ret(*) L1]
+  1 <END>                                                                   NEXT:[<SINK>]                                                                  PREV:[ret(*|<v6>) L1, ret(*|<v13>) L1]
 error:
     <ERROR>                                                                 PREV:[]
 sink:

compiler/testData/cfg/tailCalls/try.instructions

@@ -14,18 +14,19 @@ L0:
     jmp?(L2 [onException])                                     NEXT:[v(e: Throwable), mark({ return foo() })]
   3 mark({ return foo() })
     mark(foo())
-    call(foo, foo)
+    call(foo, foo) -> <v0>
-    ret(*) L1                                                  NEXT:[<END>]
+    ret(*|<v0>) L1                                             NEXT:[<END>]
 - 2 jmp(L3 [afterCatches])                                     NEXT:[<END>]                                                      PREV:[]
 L2 [onException]:
   3 v(e: Throwable)                                            PREV:[jmp?(L2 [onException])]
-    w(e)
+    magic(e: Throwable) -> <v1>
+    w(e|<v1>)
   4 mark({ })
     read (Unit)
   3 jmp(L3 [afterCatches])
 L1:
 L3 [afterCatches]:
-  1 <END>                                                      NEXT:[<SINK>]                                                     PREV:[ret(*) L1, jmp(L3 [afterCatches])]
+  1 <END>                                                      NEXT:[<SINK>]                                                     PREV:[ret(*|<v0>) L1, jmp(L3 [afterCatches])]
 error:
     <ERROR>                                                    PREV:[]
 sink: