[ic] Pass name to LoadGlobalIC again.

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/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/compilation-info.h"
 #include "src/compiler/bytecode-branch-analysis.h"
@@ skipping 723 matching lines @@
   Node* value = environment()->LookupAccumulator();
   environment()->BindRegister(bytecode_iterator().GetRegisterOperand(0), value);
 }
 
 void BytecodeGraphBuilder::VisitMov() {
   Node* value =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   environment()->BindRegister(bytecode_iterator().GetRegisterOperand(1), value);
 }
 
-Node* BytecodeGraphBuilder::BuildLoadGlobal(uint32_t feedback_slot_index,
+Node* BytecodeGraphBuilder::BuildLoadGlobal(Handle<Name> name,
+                                            uint32_t feedback_slot_index,
                                             TypeofMode typeof_mode) {
   VectorSlotPair feedback = CreateVectorSlotPair(feedback_slot_index);
   DCHECK_EQ(FeedbackVectorSlotKind::LOAD_GLOBAL_IC,
             feedback_vector()->GetKind(feedback.slot()));
-  Handle<Name> name(feedback_vector()->GetName(feedback.slot()));
   const Operator* op = javascript()->LoadGlobal(name, feedback, typeof_mode);
   return NewNode(op, GetFunctionClosure());
 }
 
 void BytecodeGraphBuilder::VisitLdaGlobal() {
   PrepareEagerCheckpoint();
-  Node* node = BuildLoadGlobal(bytecode_iterator().GetIndexOperand(0),
-                               TypeofMode::NOT_INSIDE_TYPEOF);
+  Handle<Name> name =
+      Handle<Name>::cast(bytecode_iterator().GetConstantForIndexOperand(0));
+  uint32_t feedback_slot_index = bytecode_iterator().GetIndexOperand(1);
+  Node* node =
+      BuildLoadGlobal(name, feedback_slot_index, TypeofMode::NOT_INSIDE_TYPEOF);
   environment()->BindAccumulator(node, Environment::kAttachFrameState);
 }
 
 void BytecodeGraphBuilder::VisitLdaGlobalInsideTypeof() {
   PrepareEagerCheckpoint();
-  Node* node = BuildLoadGlobal(bytecode_iterator().GetIndexOperand(0),
-                               TypeofMode::INSIDE_TYPEOF);
+  Handle<Name> name =
+      Handle<Name>::cast(bytecode_iterator().GetConstantForIndexOperand(0));
+  uint32_t feedback_slot_index = bytecode_iterator().GetIndexOperand(1);
+  Node* node =
+      BuildLoadGlobal(name, feedback_slot_index, TypeofMode::INSIDE_TYPEOF);
   environment()->BindAccumulator(node, Environment::kAttachFrameState);
 }
 
 void BytecodeGraphBuilder::BuildStoreGlobal(LanguageMode language_mode) {
   PrepareEagerCheckpoint();
   Handle<Name> name =
       Handle<Name>::cast(bytecode_iterator().GetConstantForIndexOperand(0));
   VectorSlotPair feedback =
       CreateVectorSlotPair(bytecode_iterator().GetIndexOperand(1));
   Node* value = environment()->LookupAccumulator();
@@ skipping 168 matching lines @@
 
 void BytecodeGraphBuilder::BuildLdaLookupGlobalSlot(TypeofMode typeof_mode) {
   uint32_t depth = bytecode_iterator().GetUnsignedImmediateOperand(2);
 
   // Check if any context in the depth has an extension.
   Environment* slow_environment = CheckContextExtensions(depth);
 
   // Fast path, do a global load.
   {
     PrepareEagerCheckpoint();
-    Node* node =
-        BuildLoadGlobal(bytecode_iterator().GetIndexOperand(1), typeof_mode);
+    Handle<Name> name =
+        Handle<Name>::cast(bytecode_iterator().GetConstantForIndexOperand(0));
+    uint32_t feedback_slot_index = bytecode_iterator().GetIndexOperand(1);
+    Node* node = BuildLoadGlobal(name, feedback_slot_index, typeof_mode);
     environment()->BindAccumulator(node, Environment::kAttachFrameState);
   }
 
   // Only build the slow path if there were any slow-path checks.
   if (slow_environment != nullptr) {
     // Add a merge to the fast environment.
     NewMerge();
     Environment* fast_environment = environment();
 
     // Slow path, do a runtime load lookup.
@@ skipping 1242 matching lines @@
         it->source_position().ScriptOffset(), start_position_.InliningId()));
     it->Advance();
   } else {
     DCHECK_GT(it->code_offset(), offset);
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8