Turn the load field code stub into a hydrogen code stub.

src/code-stubs-hydrogen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 222 matching lines @@
 
   // Create the code object.
   CodeDesc desc;
   masm.GetCode(&desc);
 
   // Copy the generated code into a heap object.
   Code::Flags flags = Code::ComputeFlags(
       GetCodeKind(),
       GetICState(),
       GetExtraICState(),
-      GetStubType(), -1);
+      GetStubType(),
+      GetStubFlags());
   Handle<Code> new_object = factory->NewCode(
       desc, flags, masm.CodeObject(), NeedsImmovableCode());
   return new_object;
 }
 
 
 template <class Stub>
 static Handle<Code> DoGenerateCode(Stub* stub) {
   Isolate* isolate = Isolate::Current();
   CodeStub::Major  major_key =
@@ skipping 149 matching lines @@
       false, STANDARD_STORE, Representation::Tagged());
   return load;
 }
 
 
 Handle<Code> KeyedLoadFastElementStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
+template<>
+HValue* CodeStubGraphBuilder<LoadFieldStub>::BuildCodeStub() {
+  Representation representation = casted_stub()->representation();
+  HInstruction* load = AddInstruction(new(zone()) HLoadNamedField(
+      GetParameter(0), casted_stub()->is_inobject(),
+      representation, casted_stub()->offset()));
+  return load;
+}
+
+
+Handle<Code> LoadFieldStub::GenerateCode() {
+  return DoGenerateCode(this);
+}
+
+
+template<>
+HValue* CodeStubGraphBuilder<KeyedLoadFieldStub>::BuildCodeStub() {
+  Representation representation = casted_stub()->representation();
+  HInstruction* load = AddInstruction(new(zone()) HLoadNamedField(
+      GetParameter(0), casted_stub()->is_inobject(),
+      representation, casted_stub()->offset()));
+  return load;
+}
+
+
+Handle<Code> KeyedLoadFieldStub::GenerateCode() {
+  return DoGenerateCode(this);
+}
+
+
 template <>
 HValue* CodeStubGraphBuilder<KeyedStoreFastElementStub>::BuildCodeStub() {
   BuildUncheckedMonomorphicElementAccess(
       GetParameter(0), GetParameter(1), GetParameter(2), NULL,
       casted_stub()->is_js_array(), casted_stub()->elements_kind(),
       true, casted_stub()->store_mode(), Representation::Tagged());
 
   return GetParameter(2);
 }
 
@@ skipping 211 matching lines @@
       ? graph()->GetConstantSmi1()
       : graph()->GetConstantUndefined();
 }
 
 
 Handle<Code> CompareNilICStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 } }  // namespace v8::internal