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Pseudocode: Do not regenerate receiver values

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This commit is contained in:
Alexey Sedunov
2014-07-23 15:03:21 +04:00
parent 77bbf8f73b
commit d008cb8c21
6 changed files with 42 additions and 44 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/cfg/JetControlFlowProcessor.java
+15 -16
View File
@@ -316,7 +316,7 @@ public class JetControlFlowProcessor {
CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor(); CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor();
if (resultingDescriptor instanceof ReceiverParameterDescriptor) { if (resultingDescriptor instanceof ReceiverParameterDescriptor) {
builder.readVariable(expression, resolvedCall, getReceiverValues(resolvedCall, true)); builder.readVariable(expression, resolvedCall, getReceiverValues(resolvedCall));
} }
copyValue(expression, expression.getInstanceReference()); copyValue(expression, expression.getInstanceReference());
@@ -452,7 +452,11 @@ public class JetControlFlowProcessor {
mark(expression); mark(expression);
} }
private void visitAssignment(JetExpression lhs, @NotNull Function0<PseudoValue> rhsDeferredValue, JetExpression parentExpression) { private void visitAssignment(
JetExpression lhs,
@NotNull Function0<PseudoValue> rhsDeferredValue,
JetExpression parentExpression
) {
JetExpression left = JetPsiUtil.deparenthesize(lhs); JetExpression left = JetPsiUtil.deparenthesize(lhs);
if (left == null) { if (left == null) {
builder.compilationError(lhs, "No lValue in assignment"); builder.compilationError(lhs, "No lValue in assignment");
@@ -469,7 +473,7 @@ public class JetControlFlowProcessor {
if (left instanceof JetSimpleNameExpression || left instanceof JetQualifiedExpression) { if (left instanceof JetSimpleNameExpression || left instanceof JetQualifiedExpression) {
accessTarget = getResolvedCallAccessTarget(PsiUtilPackage.getQualifiedElementSelector(left)); accessTarget = getResolvedCallAccessTarget(PsiUtilPackage.getQualifiedElementSelector(left));
if (accessTarget instanceof AccessTarget.Call) { if (accessTarget instanceof AccessTarget.Call) {
receiverValues = getReceiverValues(((AccessTarget.Call) accessTarget).getResolvedCall(), true); receiverValues = getReceiverValues(((AccessTarget.Call) accessTarget).getResolvedCall());
} }
} }
else if (left instanceof JetProperty) { else if (left instanceof JetProperty) {
@@ -498,7 +502,7 @@ public class JetControlFlowProcessor {
generateInstructions(lhs.getArrayExpression()); generateInstructions(lhs.getArrayExpression());
Map<PseudoValue, ReceiverValue> receiverValues = getReceiverValues(setResolvedCall, false); Map<PseudoValue, ReceiverValue> receiverValues = getReceiverValues(setResolvedCall);
SmartFMap<PseudoValue, ValueParameterDescriptor> argumentValues = SmartFMap<PseudoValue, ValueParameterDescriptor> argumentValues =
getArraySetterArguments(rhsDeferredValue, setResolvedCall); getArraySetterArguments(rhsDeferredValue, setResolvedCall);
@@ -1214,7 +1218,7 @@ public class JetControlFlowProcessor {
writtenValue = builder.call( writtenValue = builder.call(
entry, entry,
resolvedCall, resolvedCall,
getReceiverValues(resolvedCall, false), getReceiverValues(resolvedCall),
Collections.<PseudoValue, ValueParameterDescriptor>emptyMap() Collections.<PseudoValue, ValueParameterDescriptor>emptyMap()
).getOutputValue(); ).getOutputValue();
} }
@@ -1493,7 +1497,7 @@ public class JetControlFlowProcessor {
} }
CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor(); CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor();
Map<PseudoValue, ReceiverValue> receivers = getReceiverValues(resolvedCall, true); Map<PseudoValue, ReceiverValue> receivers = getReceiverValues(resolvedCall);
SmartFMap<PseudoValue, ValueParameterDescriptor> parameterValues = SmartFMap.emptyMap(); SmartFMap<PseudoValue, ValueParameterDescriptor> parameterValues = SmartFMap.emptyMap();
for (ValueParameterDescriptor parameterDescriptor : resultingDescriptor.getValueParameters()) { for (ValueParameterDescriptor parameterDescriptor : resultingDescriptor.getValueParameters()) {
ResolvedValueArgument argument = resolvedCall.getValueArguments().get(parameterDescriptor); ResolvedValueArgument argument = resolvedCall.getValueArguments().get(parameterDescriptor);
@@ -1517,13 +1521,11 @@ public class JetControlFlowProcessor {
} }
@NotNull @NotNull
private Map<PseudoValue, ReceiverValue> getReceiverValues( private Map<PseudoValue, ReceiverValue> getReceiverValues(ResolvedCall<?> resolvedCall) {
ResolvedCall<?> resolvedCall,
boolean generateInstructions) {
SmartFMap<PseudoValue, ReceiverValue> receiverValues = SmartFMap.emptyMap(); SmartFMap<PseudoValue, ReceiverValue> receiverValues = SmartFMap.emptyMap();
JetElement callElement = resolvedCall.getCall().getCallElement(); JetElement callElement = resolvedCall.getCall().getCallElement();
receiverValues = getReceiverValues(callElement, resolvedCall.getThisObject(), generateInstructions, receiverValues); receiverValues = getReceiverValues(callElement, resolvedCall.getThisObject(), receiverValues);
receiverValues = getReceiverValues(callElement, resolvedCall.getReceiverArgument(), generateInstructions, receiverValues); receiverValues = getReceiverValues(callElement, resolvedCall.getReceiverArgument(), receiverValues);
return receiverValues; return receiverValues;
} }
@@ -1531,19 +1533,16 @@ public class JetControlFlowProcessor {
private SmartFMap<PseudoValue, ReceiverValue> getReceiverValues( private SmartFMap<PseudoValue, ReceiverValue> getReceiverValues(
JetElement callElement, JetElement callElement,
ReceiverValue receiver, ReceiverValue receiver,
boolean generateInstructions,
SmartFMap<PseudoValue, ReceiverValue> receiverValues SmartFMap<PseudoValue, ReceiverValue> receiverValues
) { ) {
if (!receiver.exists()) return receiverValues; if (!receiver.exists()) return receiverValues;
if (receiver instanceof ThisReceiver) { if (receiver instanceof ThisReceiver) {
if (generateInstructions) { receiverValues = receiverValues.plus(createSyntheticValue(callElement, MagicKind.IMPLICIT_RECEIVER), receiver);
receiverValues = receiverValues.plus(createSyntheticValue(callElement, MagicKind.IMPLICIT_RECEIVER), receiver);
}
} }
else if (receiver instanceof ExpressionReceiver) { else if (receiver instanceof ExpressionReceiver) {
JetExpression expression = ((ExpressionReceiver) receiver).getExpression(); JetExpression expression = ((ExpressionReceiver) receiver).getExpression();
if (generateInstructions) { if (builder.getBoundValue(expression) == null) {
generateInstructions(expression); generateInstructions(expression);
} }
compiler/testData/cfg/expressions/Assignments.instructions
+1 -2
View File
@@ -79,8 +79,7 @@ L5:
r(1) -> <v20> r(1) -> <v20>
mark(t.x += 1) mark(t.x += 1)
call(t.x += 1, plus|<v19>, <v20>) -> <v21> call(t.x += 1, plus|<v19>, <v20>) -> <v21>
r(t) -> <v22> w(t.x|<v18>, <v21>)
w(t.x|<v22>, <v21>)
L1: L1:
1 <END> NEXT:[<SINK>] 1 <END> NEXT:[<SINK>]
error: error:
compiler/testData/cfg/expressions/Assignments.values
+1 -1
View File
@@ -38,7 +38,7 @@ false && true
Test() <v15>: Test NEW: call(Test(), <init>) -> <v15> Test() <v15>: Test NEW: call(Test(), <init>) -> <v15>
t <v16>: Test NEW: r(t) -> <v16> t <v16>: Test NEW: r(t) -> <v16>
1 <v17>: Int NEW: r(1) -> <v17> 1 <v17>: Int NEW: r(1) -> <v17>
t <v22>: Test NEW: r(t) -> <v22> t <v18>: Test NEW: r(t) -> <v18>
x <v19>: Int NEW: r(x|<v18>) -> <v19> x <v19>: Int NEW: r(x|<v18>) -> <v19>
t.x <v19>: Int COPY t.x <v19>: Int COPY
1 <v20>: Int NEW: r(1) -> <v20> 1 <v20>: Int NEW: r(1) -> <v20>
compiler/testData/cfg/expressions/nothingExpr.instructions
+14 -14
View File
@@ -31,28 +31,28 @@ sink:
== foo == == foo ==
fun foo() { fun foo() {
null!!.doSomething() null!!.doSomething()
bar().doSomething bar().doSomething()
} }
--------------------- ---------------------
L0: L0:
1 <START> 1 <START>
2 mark({ null!!.doSomething() bar().doSomething }) 2 mark({ null!!.doSomething() bar().doSomething() })
mark(null!!.doSomething()) mark(null!!.doSomething())
r(null) -> <v0> r(null) -> <v0>
magic[NOT_NULL_ASSERTION](null!!|<v0>) -> <v1> magic[NOT_NULL_ASSERTION](null!!|<v0>) -> <v1>
jmp(error) NEXT:[<ERROR>] jmp(error) NEXT:[<ERROR>]
- mark(doSomething()) PREV:[] - mark(doSomething()) PREV:[]
- call(doSomething(), doSomething|<v1>) -> <v2> PREV:[] - call(doSomething(), doSomething|<v1>) -> <v2> PREV:[]
- mark(bar().doSomething) PREV:[] - mark(bar().doSomething()) PREV:[]
- mark(bar()) PREV:[] - mark(bar()) PREV:[]
- call(bar(), bar) PREV:[] - call(bar(), bar) PREV:[]
- jmp(error) NEXT:[<ERROR>] PREV:[] - jmp(error) NEXT:[<ERROR>] PREV:[]
- mark(doSomething) PREV:[] - mark(doSomething()) PREV:[]
- call(doSomething, doSomething|!<v3>) -> <v4> PREV:[] - call(doSomething(), doSomething|!<v3>) -> <v4> PREV:[]
L1: L1:
1 <END> NEXT:[<SINK>] PREV:[] 1 <END> NEXT:[<SINK>] PREV:[]
error: error:
<ERROR> PREV:[jmp(error)] <ERROR> PREV:[jmp(error)]
sink: sink:
<SINK> PREV:[<ERROR>, <END>] <SINK> PREV:[<ERROR>, <END>]
===================== =====================
compiler/testData/cfg/expressions/nothingExpr.kt
+1 -1
View File
@@ -4,5 +4,5 @@ fun bar(): Nothing = throw Exception()
fun foo() { fun foo() {
null!!.doSomething() null!!.doSomething()
bar().doSomething bar().doSomething()
} }
compiler/testData/cfg/expressions/nothingExpr.values
+9 -9
View File
@@ -10,15 +10,15 @@ Exception() <v0>: {<: Throwable} NEW: call(Exception(), <init>) -> <v0>
== foo == == foo ==
fun foo() { fun foo() {
null!!.doSomething() null!!.doSomething()
bar().doSomething bar().doSomething()
} }
--------------------- ---------------------
null <v0>: * NEW: r(null) -> <v0> null <v0>: * NEW: r(null) -> <v0>
null!! <v1>: * NEW: magic[NOT_NULL_ASSERTION](null!!|<v0>) -> <v1> null!! <v1>: * NEW: magic[NOT_NULL_ASSERTION](null!!|<v0>) -> <v1>
doSomething() <v2>: * NEW: call(doSomething(), doSomething|<v1>) -> <v2> doSomething() <v2>: * NEW: call(doSomething(), doSomething|<v1>) -> <v2>
null!!.doSomething() <v2>: * COPY null!!.doSomething() <v2>: * COPY
bar() !<v3>: * bar() !<v3>: *
doSomething <v4>: * NEW: call(doSomething, doSomething|!<v3>) -> <v4> doSomething() <v4>: * NEW: call(doSomething(), doSomething|!<v3>) -> <v4>
bar().doSomething <v4>: * COPY bar().doSomething() <v4>: * COPY
{ null!!.doSomething() bar().doSomething } <v4>: * COPY { null!!.doSomething() bar().doSomething() } <v4>: * COPY
===================== =====================