Merged: [turbofan] Remove bogus constant materialization from frame.

src/compiler/ia32/code-generator-ia32.cc

 // Copyright 2013 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/code-generator.h"
 
 #include "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 2022 matching lines @@
       __ mov(dst, src);
     } else {
       Operand dst = g.ToOperand(destination);
       __ push(src);
       __ pop(dst);
     }
   } else if (source->IsConstant()) {
     Constant src_constant = g.ToConstant(source);
     if (src_constant.type() == Constant::kHeapObject) {
       Handle<HeapObject> src = src_constant.ToHeapObject();
-      int slot;
-      if (IsMaterializableFromFrame(src, &slot)) {
-        if (destination->IsRegister()) {
-          Register dst = g.ToRegister(destination);
-          __ mov(dst, g.SlotToOperand(slot));
-        } else {
-          DCHECK(destination->IsStackSlot());
-          Operand dst = g.ToOperand(destination);
-          __ push(g.SlotToOperand(slot));
-          __ pop(dst);
-        }
-      } else if (destination->IsRegister()) {
+      if (destination->IsRegister()) {
         Register dst = g.ToRegister(destination);
         __ LoadHeapObject(dst, src);
       } else {
         DCHECK(destination->IsStackSlot());
         Operand dst = g.ToOperand(destination);
         AllowDeferredHandleDereference embedding_raw_address;
         if (isolate()->heap()->InNewSpace(*src)) {
           __ PushHeapObject(src);
           __ pop(dst);
         } else {
@@ skipping 203 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8