[turbofan] No need to load the feedback vector on the JS graph level.

src/compiler/bytecode-graph-builder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/bytecode-graph-builder.h"
 
 #include "src/compiler/bytecode-branch-analysis.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/operator-properties.h"
 #include "src/interpreter/bytecodes.h"
@@ skipping 645 matching lines @@
 
 void BytecodeGraphBuilder::BuildLoadGlobal(
     TypeofMode typeof_mode) {
   FrameStateBeforeAndAfter states(this);
   Handle<Name> name =
       Handle<Name>::cast(bytecode_iterator().GetConstantForIndexOperand(0));
   VectorSlotPair feedback =
       CreateVectorSlotPair(bytecode_iterator().GetIndexOperand(1));
 
   const Operator* op = javascript()->LoadGlobal(name, feedback, typeof_mode);
-  Node* node = NewNode(op, BuildLoadFeedbackVector());
+  Node* node = NewNode(op, GetFunctionClosure());
   environment()->BindAccumulator(node, &states);
 }
 
 void BytecodeGraphBuilder::VisitLdaGlobalSloppy() {
   BuildLoadGlobal(TypeofMode::NOT_INSIDE_TYPEOF);
 }
 
 void BytecodeGraphBuilder::VisitLdaGlobalStrict() {
   BuildLoadGlobal(TypeofMode::NOT_INSIDE_TYPEOF);
 }
@@ skipping 24 matching lines @@
 
 void BytecodeGraphBuilder::BuildStoreGlobal(LanguageMode language_mode) {
   FrameStateBeforeAndAfter states(this);
   Handle<Name> name =
       Handle<Name>::cast(bytecode_iterator().GetConstantForIndexOperand(0));
   VectorSlotPair feedback =
       CreateVectorSlotPair(bytecode_iterator().GetIndexOperand(1));
   Node* value = environment()->LookupAccumulator();
 
   const Operator* op = javascript()->StoreGlobal(language_mode, name, feedback);
-  Node* node = NewNode(op, value, BuildLoadFeedbackVector());
+  Node* node = NewNode(op, value, GetFunctionClosure());
   environment()->RecordAfterState(node, &states);
 }
 
 void BytecodeGraphBuilder::VisitStaGlobalSloppy() {
   BuildStoreGlobal(LanguageMode::SLOPPY);
 }
 
 void BytecodeGraphBuilder::VisitStaGlobalStrict() {
   BuildStoreGlobal(LanguageMode::STRICT);
 }
@@ skipping 91 matching lines @@
 void BytecodeGraphBuilder::BuildNamedLoad() {
   FrameStateBeforeAndAfter states(this);
   Node* object =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   Handle<Name> name =
       Handle<Name>::cast(bytecode_iterator().GetConstantForIndexOperand(1));
   VectorSlotPair feedback =
       CreateVectorSlotPair(bytecode_iterator().GetIndexOperand(2));
 
   const Operator* op = javascript()->LoadNamed(language_mode(), name, feedback);
-  Node* node = NewNode(op, object, BuildLoadFeedbackVector());
+  Node* node = NewNode(op, object, GetFunctionClosure());
   environment()->BindAccumulator(node, &states);
 }
 
 void BytecodeGraphBuilder::VisitLoadICSloppy() {
   DCHECK(is_sloppy(language_mode()));
   BuildNamedLoad();
 }
 
 void BytecodeGraphBuilder::VisitLoadICStrict() {
   DCHECK(is_strict(language_mode()));
@@ skipping 12 matching lines @@
 
 void BytecodeGraphBuilder::BuildKeyedLoad() {
   FrameStateBeforeAndAfter states(this);
   Node* key = environment()->LookupAccumulator();
   Node* object =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   VectorSlotPair feedback =
       CreateVectorSlotPair(bytecode_iterator().GetIndexOperand(1));
 
   const Operator* op = javascript()->LoadProperty(language_mode(), feedback);
-  Node* node = NewNode(op, object, key, BuildLoadFeedbackVector());
+  Node* node = NewNode(op, object, key, GetFunctionClosure());
   environment()->BindAccumulator(node, &states);
 }
 
 void BytecodeGraphBuilder::VisitKeyedLoadICSloppy() {
   DCHECK(is_sloppy(language_mode()));
   BuildKeyedLoad();
 }
 
 void BytecodeGraphBuilder::VisitKeyedLoadICStrict() {
   DCHECK(is_strict(language_mode()));
@@ skipping 14 matching lines @@
   FrameStateBeforeAndAfter states(this);
   Node* value = environment()->LookupAccumulator();
   Node* object =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   Handle<Name> name =
       Handle<Name>::cast(bytecode_iterator().GetConstantForIndexOperand(1));
   VectorSlotPair feedback =
       CreateVectorSlotPair(bytecode_iterator().GetIndexOperand(2));
 
   const Operator* op = javascript()->StoreNamed(language_mode, name, feedback);
-  Node* node = NewNode(op, object, value, BuildLoadFeedbackVector());
+  Node* node = NewNode(op, object, value, GetFunctionClosure());
   environment()->RecordAfterState(node, &states);
 }
 
 void BytecodeGraphBuilder::VisitStoreICSloppy() {
   BuildNamedStore(LanguageMode::SLOPPY);
 }
 
 void BytecodeGraphBuilder::VisitStoreICStrict() {
   BuildNamedStore(LanguageMode::STRICT);
 }
@@ skipping 10 matching lines @@
   FrameStateBeforeAndAfter states(this);
   Node* value = environment()->LookupAccumulator();
   Node* object =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   Node* key =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(1));
   VectorSlotPair feedback =
       CreateVectorSlotPair(bytecode_iterator().GetIndexOperand(2));
 
   const Operator* op = javascript()->StoreProperty(language_mode, feedback);
-  Node* node = NewNode(op, object, key, value, BuildLoadFeedbackVector());
+  Node* node = NewNode(op, object, key, value, GetFunctionClosure());
   environment()->RecordAfterState(node, &states);
 }
 
 void BytecodeGraphBuilder::VisitKeyedStoreICSloppy() {
   BuildKeyedStore(LanguageMode::SLOPPY);
 }
 
 void BytecodeGraphBuilder::VisitKeyedStoreICStrict() {
   BuildKeyedStore(LanguageMode::STRICT);
 }
@@ skipping 880 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8