Remove strong mode support from property loads.

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 627 matching lines @@
   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, GetFunctionClosure());
   environment()->BindAccumulator(node, &states);
 }
 
-void BytecodeGraphBuilder::VisitLdaGlobalSloppy() {
+void BytecodeGraphBuilder::VisitLdaGlobal() {
   BuildLoadGlobal(TypeofMode::NOT_INSIDE_TYPEOF);
 }
 
-void BytecodeGraphBuilder::VisitLdaGlobalStrict() {
+void BytecodeGraphBuilder::VisitLdaGlobalInsideTypeof() {
+  BuildLoadGlobal(TypeofMode::INSIDE_TYPEOF);
+}
+
+void BytecodeGraphBuilder::VisitLdaGlobalWide() {
   BuildLoadGlobal(TypeofMode::NOT_INSIDE_TYPEOF);
 }
 
-void BytecodeGraphBuilder::VisitLdaGlobalInsideTypeofSloppy() {
+void BytecodeGraphBuilder::VisitLdaGlobalInsideTypeofWide() {
   BuildLoadGlobal(TypeofMode::INSIDE_TYPEOF);
 }
 
-void BytecodeGraphBuilder::VisitLdaGlobalInsideTypeofStrict() {
-  BuildLoadGlobal(TypeofMode::INSIDE_TYPEOF);
-}
-
-void BytecodeGraphBuilder::VisitLdaGlobalSloppyWide() {
-  BuildLoadGlobal(TypeofMode::NOT_INSIDE_TYPEOF);
-}
-
-void BytecodeGraphBuilder::VisitLdaGlobalStrictWide() {
-  BuildLoadGlobal(TypeofMode::NOT_INSIDE_TYPEOF);
-}
-
-void BytecodeGraphBuilder::VisitLdaGlobalInsideTypeofSloppyWide() {
-  BuildLoadGlobal(TypeofMode::INSIDE_TYPEOF);
-}
-
-void BytecodeGraphBuilder::VisitLdaGlobalInsideTypeofStrictWide() {
-  BuildLoadGlobal(TypeofMode::INSIDE_TYPEOF);
-}
-
 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, GetFunctionClosure());
@@ skipping 103 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);
+  const Operator* op = javascript()->LoadNamed(name, feedback);
   Node* node = NewNode(op, object, GetFunctionClosure());
   environment()->BindAccumulator(node, &states);
 }
 
-void BytecodeGraphBuilder::VisitLoadICSloppy() {
-  DCHECK(is_sloppy(language_mode()));
-  BuildNamedLoad();
-}
+void BytecodeGraphBuilder::VisitLoadIC() { BuildNamedLoad(); }
 
-void BytecodeGraphBuilder::VisitLoadICStrict() {
-  DCHECK(is_strict(language_mode()));
-  BuildNamedLoad();
-}
-
-void BytecodeGraphBuilder::VisitLoadICSloppyWide() {
-  DCHECK(is_sloppy(language_mode()));
-  BuildNamedLoad();
-}
-
-void BytecodeGraphBuilder::VisitLoadICStrictWide() {
-  DCHECK(is_strict(language_mode()));
-  BuildNamedLoad();
-}
+void BytecodeGraphBuilder::VisitLoadICWide() { BuildNamedLoad(); }
 
 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);
+  const Operator* op = javascript()->LoadProperty(feedback);
   Node* node = NewNode(op, object, key, GetFunctionClosure());
   environment()->BindAccumulator(node, &states);
 }
 
-void BytecodeGraphBuilder::VisitKeyedLoadICSloppy() {
-  DCHECK(is_sloppy(language_mode()));
-  BuildKeyedLoad();
-}
+void BytecodeGraphBuilder::VisitKeyedLoadIC() { BuildKeyedLoad(); }
 
-void BytecodeGraphBuilder::VisitKeyedLoadICStrict() {
-  DCHECK(is_strict(language_mode()));
-  BuildKeyedLoad();
-}
-
-void BytecodeGraphBuilder::VisitKeyedLoadICSloppyWide() {
-  DCHECK(is_sloppy(language_mode()));
-  BuildKeyedLoad();
-}
-
-void BytecodeGraphBuilder::VisitKeyedLoadICStrictWide() {
-  DCHECK(is_strict(language_mode()));
-  BuildKeyedLoad();
-}
+void BytecodeGraphBuilder::VisitKeyedLoadICWide() { BuildKeyedLoad(); }
 
 void BytecodeGraphBuilder::BuildNamedStore(LanguageMode language_mode) {
   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));
@@ skipping 924 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