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Unified Diff: src/compiler/js-generic-lowering.cc

Issue 1906823002: Move of the type feedback vector to the closure. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: REBASE. Created 4 years, 7 months ago
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« src/compiler/access-builder.cc ('K') | « src/compiler/js-create-lowering.cc ('k') | src/compiler/js-graph.h » ('j') | src/full-codegen/full-codegen.cc » ('J')
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Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index de167226ee5217847ff946f749c3841e066457bc..f39d8cda0a6713a8fef097cdb9b1219499bade17 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -159,14 +159,13 @@ void JSGenericLowering::LowerJSLoadProperty(Node* node) {
Callable callable =
CodeFactory::KeyedLoadICInOptimizedCode(isolate(), UNINITIALIZED);
// Load the type feedback vector from the closure.
- Node* shared_info = effect = graph()->NewNode(
+ Node* literals = effect = graph()->NewNode(
machine()->Load(MachineType::AnyTagged()), closure,
- jsgraph()->IntPtrConstant(JSFunction::kSharedFunctionInfoOffset -
- kHeapObjectTag),
+ jsgraph()->IntPtrConstant(JSFunction::kLiteralsOffset - kHeapObjectTag),
effect, control);
Node* vector = effect = graph()->NewNode(
- machine()->Load(MachineType::AnyTagged()), shared_info,
- jsgraph()->IntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset -
+ machine()->Load(MachineType::AnyTagged()), literals,
+ jsgraph()->IntPtrConstant(LiteralsArray::kFeedbackVectorOffset -
kHeapObjectTag),
effect, control);
node->InsertInput(zone(), 2, jsgraph()->SmiConstant(p.feedback().index()));
@@ -185,14 +184,13 @@ void JSGenericLowering::LowerJSLoadNamed(Node* node) {
Callable callable = CodeFactory::LoadICInOptimizedCode(
isolate(), NOT_INSIDE_TYPEOF, UNINITIALIZED);
// Load the type feedback vector from the closure.
- Node* shared_info = effect = graph()->NewNode(
+ Node* literals = effect = graph()->NewNode(
machine()->Load(MachineType::AnyTagged()), closure,
- jsgraph()->IntPtrConstant(JSFunction::kSharedFunctionInfoOffset -
- kHeapObjectTag),
+ jsgraph()->IntPtrConstant(JSFunction::kLiteralsOffset - kHeapObjectTag),
effect, control);
Node* vector = effect = graph()->NewNode(
- machine()->Load(MachineType::AnyTagged()), shared_info,
- jsgraph()->IntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset -
+ machine()->Load(MachineType::AnyTagged()), literals,
+ jsgraph()->IntPtrConstant(LiteralsArray::kFeedbackVectorOffset -
kHeapObjectTag),
effect, control);
node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name()));
@@ -213,14 +211,13 @@ void JSGenericLowering::LowerJSLoadGlobal(Node* node) {
Callable callable = CodeFactory::LoadICInOptimizedCode(
isolate(), p.typeof_mode(), UNINITIALIZED);
// Load the type feedback vector from the closure.
- Node* shared_info = effect = graph()->NewNode(
+ Node* literals = effect = graph()->NewNode(
machine()->Load(MachineType::AnyTagged()), closure,
- jsgraph()->IntPtrConstant(JSFunction::kSharedFunctionInfoOffset -
- kHeapObjectTag),
+ jsgraph()->IntPtrConstant(JSFunction::kLiteralsOffset - kHeapObjectTag),
effect, control);
Node* vector = effect = graph()->NewNode(
- machine()->Load(MachineType::AnyTagged()), shared_info,
- jsgraph()->IntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset -
+ machine()->Load(MachineType::AnyTagged()), literals,
+ jsgraph()->IntPtrConstant(LiteralsArray::kFeedbackVectorOffset -
kHeapObjectTag),
effect, control);
// Load global object from the context.
@@ -252,14 +249,13 @@ void JSGenericLowering::LowerJSStoreProperty(Node* node) {
Callable callable = CodeFactory::KeyedStoreICInOptimizedCode(
isolate(), language_mode, UNINITIALIZED);
// Load the type feedback vector from the closure.
- Node* shared_info = effect = graph()->NewNode(
+ Node* literals = effect = graph()->NewNode(
machine()->Load(MachineType::AnyTagged()), closure,
- jsgraph()->IntPtrConstant(JSFunction::kSharedFunctionInfoOffset -
- kHeapObjectTag),
+ jsgraph()->IntPtrConstant(JSFunction::kLiteralsOffset - kHeapObjectTag),
effect, control);
Node* vector = effect = graph()->NewNode(
- machine()->Load(MachineType::AnyTagged()), shared_info,
- jsgraph()->IntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset -
+ machine()->Load(MachineType::AnyTagged()), literals,
+ jsgraph()->IntPtrConstant(LiteralsArray::kFeedbackVectorOffset -
kHeapObjectTag),
effect, control);
node->InsertInput(zone(), 3, jsgraph()->SmiConstant(p.feedback().index()));
@@ -278,14 +274,13 @@ void JSGenericLowering::LowerJSStoreNamed(Node* node) {
Callable callable = CodeFactory::StoreICInOptimizedCode(
isolate(), p.language_mode(), UNINITIALIZED);
// Load the type feedback vector from the closure.
- Node* shared_info = effect = graph()->NewNode(
+ Node* literals = effect = graph()->NewNode(
machine()->Load(MachineType::AnyTagged()), closure,
- jsgraph()->IntPtrConstant(JSFunction::kSharedFunctionInfoOffset -
- kHeapObjectTag),
+ jsgraph()->IntPtrConstant(JSFunction::kLiteralsOffset - kHeapObjectTag),
effect, control);
Node* vector = effect = graph()->NewNode(
- machine()->Load(MachineType::AnyTagged()), shared_info,
- jsgraph()->IntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset -
+ machine()->Load(MachineType::AnyTagged()), literals,
+ jsgraph()->IntPtrConstant(LiteralsArray::kFeedbackVectorOffset -
kHeapObjectTag),
effect, control);
node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name()));
@@ -306,14 +301,13 @@ void JSGenericLowering::LowerJSStoreGlobal(Node* node) {
Callable callable = CodeFactory::StoreICInOptimizedCode(
isolate(), p.language_mode(), UNINITIALIZED);
// Load the type feedback vector from the closure.
- Node* shared_info = effect = graph()->NewNode(
+ Node* literals = effect = graph()->NewNode(
machine()->Load(MachineType::AnyTagged()), closure,
- jsgraph()->IntPtrConstant(JSFunction::kSharedFunctionInfoOffset -
- kHeapObjectTag),
+ jsgraph()->IntPtrConstant(JSFunction::kLiteralsOffset - kHeapObjectTag),
effect, control);
Node* vector = effect = graph()->NewNode(
- machine()->Load(MachineType::AnyTagged()), shared_info,
- jsgraph()->IntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset -
+ machine()->Load(MachineType::AnyTagged()), literals,
+ jsgraph()->IntPtrConstant(LiteralsArray::kFeedbackVectorOffset -
kHeapObjectTag),
effect, control);
// Load global object from the context.
@@ -487,7 +481,7 @@ void JSGenericLowering::LowerJSCreateClosure(Node* node) {
// Use the FastNewClosureStub that allocates in new space only for nested
// functions that don't need literals cloning.
Michael Starzinger 2016/05/10 13:47:20 nit: Last part of the comment is outdated. Better
mvstanton 2016/05/24 16:31:49 Done.
- if (p.pretenure() == NOT_TENURED && shared_info->num_literals() == 0) {
+ if (p.pretenure() == NOT_TENURED) {
Callable callable = CodeFactory::FastNewClosure(
isolate(), shared_info->language_mode(), shared_info->kind());
ReplaceWithStubCall(node, callable, flags);
« src/compiler/access-builder.cc ('K') | « src/compiler/js-create-lowering.cc ('k') | src/compiler/js-graph.h » ('j') | src/full-codegen/full-codegen.cc » ('J')

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