Revert "Revert of [builtins] Properly optimize TypedArray/DataView accessors. (patchset #3 id:40001…

src/code-stubs-hydrogen.cc

 // Copyright 2012 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/code-stubs.h"
 
 #include "src/bailout-reason.h"
 #include "src/crankshaft/hydrogen.h"
 #include "src/crankshaft/lithium.h"
 #include "src/field-index.h"
@@ skipping 946 matching lines @@
   return BuildLoadNamedField(GetParameter(0), casted_stub()->index());
 }
 
 
 Handle<Code> LoadFieldStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
 template <>
-HValue* CodeStubGraphBuilder<ArrayBufferViewLoadFieldStub>::BuildCodeStub() {
-  return BuildArrayBufferViewFieldAccessor(GetParameter(0), nullptr,
-                                           casted_stub()->index());
-}
-
-
-Handle<Code> ArrayBufferViewLoadFieldStub::GenerateCode() {
-  return DoGenerateCode(this);
-}
-
-
-template <>
 HValue* CodeStubGraphBuilder<LoadConstantStub>::BuildCodeStub() {
   HValue* map = AddLoadMap(GetParameter(0), NULL);
   HObjectAccess descriptors_access = HObjectAccess::ForObservableJSObjectOffset(
       Map::kDescriptorsOffset, Representation::Tagged());
   HValue* descriptors = Add<HLoadNamedField>(map, nullptr, descriptors_access);
   HObjectAccess value_access = HObjectAccess::ForObservableJSObjectOffset(
       DescriptorArray::GetValueOffset(casted_stub()->constant_index()));
   return Add<HLoadNamedField>(descriptors, nullptr, value_access);
 }
 
@@ skipping 1202 matching lines @@
   return Pop();
 }
 
 
 Handle<Code> KeyedLoadGenericStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 }  // namespace internal
 }  // namespace v8