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

src/stub-cache.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 205 matching lines @@
   JSObject::UpdateMapCodeCache(receiver, cache_name, handler);
   return handler;
 }
 
 
 Handle<Code> StubCache::ComputeLoadField(Handle<Name> name,
                                          Handle<JSObject> receiver,
                                          Handle<JSObject> holder,
                                          PropertyIndex field) {
   if (receiver.is_identical_to(holder)) {
-    LoadFieldStub stub(LoadStubCompiler::receiver(),
-                       field.is_inobject(holder),
-                       field.translate(holder));
+    LoadFieldStub stub(field.is_inobject(holder),
+                       field.translate(holder),
+                       Representation::Tagged());
     return stub.GetCode(isolate());
   }
 
   Handle<JSObject> stub_holder = StubHolder(receiver, holder);
   Handle<Code> stub = FindHandler(
       name, receiver, stub_holder, Code::LOAD_IC, Code::FIELD);
   if (!stub.is_null()) return stub;
 
   LoadStubCompiler compiler(isolate_);
   Handle<Code> handler =
@@ skipping 93 matching lines @@
   JSObject::UpdateMapCodeCache(stub_holder, name, ic);
   return ic;
 }
 
 
 Handle<Code> StubCache::ComputeKeyedLoadField(Handle<Name> name,
                                               Handle<JSObject> receiver,
                                               Handle<JSObject> holder,
                                               PropertyIndex field) {
   if (receiver.is_identical_to(holder)) {
-    LoadFieldStub stub(KeyedLoadStubCompiler::receiver(),
-                       field.is_inobject(holder),
-                       field.translate(holder));
+    KeyedLoadFieldStub stub(field.is_inobject(holder),
+                            field.translate(holder),
+                            Representation::Tagged());
     return stub.GetCode(isolate());
   }
 
   Handle<JSObject> stub_holder = StubHolder(receiver, holder);
   Handle<Code> stub = FindHandler(
       name, receiver, stub_holder, Code::KEYED_LOAD_IC, Code::FIELD);
   if (!stub.is_null()) return stub;
 
   KeyedLoadStubCompiler compiler(isolate_);
   Handle<Code> handler =
@@ skipping 1163 matching lines @@
 
 
 Handle<Code> BaseLoadStubCompiler::CompileLoadField(Handle<JSObject> object,
                                                     Handle<JSObject> holder,
                                                     Handle<Name> name,
                                                     PropertyIndex field) {
   Label miss;
 
   Register reg = HandlerFrontendHeader(object, receiver(), holder, name, &miss);
 
-  LoadFieldStub stub(reg, field.is_inobject(holder), field.translate(holder));
-  GenerateTailCall(masm(), stub.GetCode(isolate()));
+  GenerateLoadField(reg, holder, field);
 
   __ bind(&miss);
   TailCallBuiltin(masm(), MissBuiltin(kind()));
 
   // Return the generated code.
   return GetCode(kind(), Code::FIELD, name);
 }
 
 
 // Load a fast property out of a holder object (src). In-object properties
@@ skipping 64 matching lines @@
 void BaseLoadStubCompiler::GenerateLoadPostInterceptor(
     Register interceptor_reg,
     Handle<JSObject> interceptor_holder,
     Handle<Name> name,
     LookupResult* lookup) {
   Label success;
   Handle<JSObject> holder(lookup->holder());
   if (lookup->IsField()) {
     PropertyIndex field = lookup->GetFieldIndex();
     if (interceptor_holder.is_identical_to(holder)) {
-      LoadFieldStub stub(interceptor_reg,
-                         field.is_inobject(holder),
-                         field.translate(holder));
-      GenerateTailCall(masm(), stub.GetCode(isolate()));
+      GenerateLoadField(interceptor_reg, holder, field);
     } else {
       // We found FIELD property in prototype chain of interceptor's holder.
       // Retrieve a field from field's holder.
       Register reg = HandlerFrontend(
           interceptor_holder, interceptor_reg, holder, name, &success);
       __ bind(&success);
       GenerateLoadField(reg, holder, field);
     }
   } else {
     // We found CALLBACKS property in prototype chain of interceptor's
@@ skipping 488 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal