Remove HLoadElements instruction and replace with use of more general HLoadNamedField.

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 272 matching lines @@
       AddInstruction(new(zone) HLoadKeyed(GetParameter(0),
                                           GetParameter(1),
                                           NULL,
                                           FAST_ELEMENTS));
 
   IfBuilder checker(this);
   checker.IfNot<HCompareObjectEqAndBranch, HValue*>(boilerplate, undefined);
   checker.Then();
 
   if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) {
-    HValue* elements =
-        AddInstruction(new(zone) HLoadElements(boilerplate, NULL));
+    HValue* elements = AddLoadElements(boilerplate);
 
     IfBuilder if_fixed_cow(this);
     if_fixed_cow.IfCompareMap(elements, factory->fixed_cow_array_map());
     if_fixed_cow.Then();
     environment()->Push(BuildCloneShallowArray(context(),
                                                boilerplate,
                                                alloc_site_mode,
                                                FAST_ELEMENTS,
                                                0/*copy-on-write*/));
     if_fixed_cow.Else();
@@ skipping 141 matching lines @@
 
   IfBuilder if_builder(this);
 
   if_builder.IfCompare(array_length, graph()->GetConstant0(), Token::EQ);
   if_builder.Then();
 
   // Nothing to do, just change the map.
 
   if_builder.Else();
 
-  HInstruction* elements =
-      AddInstruction(new(zone) HLoadElements(js_array, js_array));
+  HInstruction* elements = AddLoadElements(js_array);
 
   HInstruction* elements_length =
       AddInstruction(new(zone) HFixedArrayBaseLength(elements));
 
   HValue* new_elements =
       BuildAllocateAndInitializeElements(context(), to_kind, elements_length);
 
   BuildCopyElements(context(), elements,
                     casted_stub()->from_kind(), new_elements,
                     to_kind, array_length, elements_length);
@@ skipping 166 matching lines @@
       ? graph()->GetConstantSmi1()
       : graph()->GetConstantUndefined();
 }
 
 
 Handle<Code> CompareNilICStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 } }  // namespace v8::internal