Pseudocode: Do not store "synthetic" flag of magic instructions

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

@@ -115,8 +115,7 @@ public interface JetControlFlowBuilder {
             @NotNull JetElement instructionElement,
             @Nullable JetElement valueElement,
             @NotNull List<PseudoValue> inputValues,
-            @NotNull Map<PseudoValue, TypePredicate> expectedTypes,
-            boolean synthetic
+            @NotNull Map<PseudoValue, TypePredicate> expectedTypes
     );
 
     @NotNull

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

@@ -71,10 +71,9 @@ public abstract class JetControlFlowBuilderAdapter implements JetControlFlowBuil
             @NotNull JetElement instructionElement,
             @Nullable JetElement valueElement,
             @NotNull List<PseudoValue> inputValues,
-            @NotNull Map<PseudoValue, TypePredicate> expectedTypes,
-            boolean synthetic
+            @NotNull Map<PseudoValue, TypePredicate> expectedTypes
     ) {
-        return getDelegateBuilder().magic(instructionElement, valueElement, inputValues, expectedTypes, synthetic);
+        return getDelegateBuilder().magic(instructionElement, valueElement, inputValues, expectedTypes);
     }
 
     @NotNull

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

@@ -180,13 +180,13 @@ public class JetControlFlowProcessor {
         @NotNull
         private PseudoValue createSyntheticValue(@NotNull JetElement instructionElement, JetElement... from) {
             List<PseudoValue> values = elementsToValues(from.length > 0 ? Arrays.asList(from) : Collections.<JetElement>emptyList());
-            return builder.magic(instructionElement, null, values, defaultTypeMap(values), true).getOutputValue();
+            return builder.magic(instructionElement, null, values, defaultTypeMap(values)).getOutputValue();
         }
 
         @NotNull
         private PseudoValue createNonSyntheticValue(@NotNull JetElement to, @NotNull List<? extends JetElement> from) {
             List<PseudoValue> values = elementsToValues(from);
-            return builder.magic(to, to, values, defaultTypeMap(values), false).getOutputValue();
+            return builder.magic(to, to, values, defaultTypeMap(values)).getOutputValue();
         }
 
         @NotNull
@@ -886,8 +886,7 @@ public class JetControlFlowProcessor {
                     loopRange != null ? loopRange : expression,
                     null,
                     Collections.singletonList(loopRangeValue),
-                    Collections.singletonMap(loopRangeValue, loopRangeTypePredicate),
-                    true
+                    Collections.singletonMap(loopRangeValue, loopRangeTypePredicate)
             ).getOutputValue();
 
             if (loopParameter != null) {
@@ -1387,7 +1386,7 @@ public class JetControlFlowProcessor {
             if (expectedTypePredicate == null) {
                 expectedTypePredicate = AllTypes.instance$;
             }
-            builder.magic(specifier, specifier, arguments, PseudocodePackage.expectedTypeFor(expectedTypePredicate, arguments), false);
+            builder.magic(specifier, specifier, arguments, PseudocodePackage.expectedTypeFor(expectedTypePredicate, arguments));
         }
 
         @Override

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

@@ -418,7 +418,7 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
         @Override
         public InstructionWithValue loadStringTemplate(@NotNull JetStringTemplateExpression expression, @NotNull List<PseudoValue> inputValues) {
             if (inputValues.isEmpty()) return read(expression);
-            return magic(expression, expression, inputValues, PseudocodePackage.expectedTypeFor(AllTypes.instance$, inputValues), false);
+            return magic(expression, expression, inputValues, PseudocodePackage.expectedTypeFor(AllTypes.instance$, inputValues));
         }
 
         @NotNull
@@ -427,11 +427,10 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
                 @NotNull JetElement instructionElement,
                 @Nullable JetElement valueElement,
                 @NotNull List<PseudoValue> inputValues,
-                @NotNull Map<PseudoValue, TypePredicate> expectedTypes,
-                boolean synthetic
+                @NotNull Map<PseudoValue, TypePredicate> expectedTypes
         ) {
             MagicInstruction instruction = MagicInstruction.object$.create(
-                    instructionElement, valueElement, getCurrentScope(), synthetic, inputValues, expectedTypes, valueFactory
+                    instructionElement, valueElement, getCurrentScope(), inputValues, expectedTypes, valueFactory
             );
             add(instruction);
             return instruction;
@@ -497,7 +496,7 @@ public class JetControlFlowInstructionsGenerator extends JetControlFlowBuilderAd
                     throw new IllegalArgumentException("Invalid operation: " + operation);
             }
 
-            return magic(expression, expression, inputValues, expectedTypes, false);
+            return magic(expression, expression, inputValues, expectedTypes);
         }
 
         @Override

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

@@ -97,34 +97,30 @@ public class CallInstruction private(
 //      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: providing initial values for parameters, missing right-hand side in assignments
 public class MagicInstruction(
         element: JetElement,
         lexicalScope: LexicalScope,
-        val synthetic: Boolean,
         inputValues: List<PseudoValue>,
         val expectedTypes: Map<PseudoValue, TypePredicate>
 ) : OperationInstruction(element, lexicalScope, inputValues), StrictlyValuedOperationInstruction {
+    public val synthetic: Boolean get() = outputValue.element == null
+
     override fun accept(visitor: InstructionVisitor) = visitor.visitMagic(this)
 
     override fun <R> accept(visitor: InstructionVisitorWithResult<R>): R = visitor.visitMagic(this)
 
-    override fun createCopy() = MagicInstruction(element, lexicalScope, synthetic, inputValues, expectedTypes).setResult(resultValue)
+    override fun createCopy() = MagicInstruction(element, lexicalScope, inputValues, expectedTypes).setResult(resultValue)
 
     override fun toString() = renderInstruction("magic", render(element))
 
     class object {
-        fun create(
-                element: JetElement,
-                valueElement: JetElement?,
-                lexicalScope: LexicalScope,
-                synthetic: Boolean,
-                inputValues: List<PseudoValue>,
-                expectedTypes: Map<PseudoValue, TypePredicate>,
-                factory: PseudoValueFactory
-        ): MagicInstruction = MagicInstruction(
-                element, lexicalScope, synthetic, inputValues, expectedTypes
+        fun create(element: JetElement,
+                   valueElement: JetElement?,
+                   lexicalScope: LexicalScope,
+                   inputValues: List<PseudoValue>,
+                   expectedTypes: Map<PseudoValue, TypePredicate>,
+                   factory: PseudoValueFactory): MagicInstruction = MagicInstruction(
+                element, lexicalScope, inputValues, expectedTypes
         ).setResult(factory, valueElement) as MagicInstruction
     }
 }