1// Copyright 2013 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_HYDROGEN_STORE_ELIMINATION_H_
6#define V8_HYDROGEN_STORE_ELIMINATION_H_
7
8#include "src/hydrogen.h"
9#include "src/hydrogen-alias-analysis.h"
10
11namespace v8 {
12namespace internal {
13
14class HStoreEliminationPhase : public HPhase {
15 public:
16  explicit HStoreEliminationPhase(HGraph* graph)
17    : HPhase("H_Store elimination", graph),
18      unobserved_(10, zone()),
19      aliasing_() { }
20
21  void Run();
22 private:
23  ZoneList<HStoreNamedField*> unobserved_;
24  HAliasAnalyzer* aliasing_;
25
26  void ProcessStore(HStoreNamedField* store);
27  void ProcessLoad(HLoadNamedField* load);
28  void ProcessInstr(HInstruction* instr, GVNFlagSet flags);
29};
30
31
32} }  // namespace v8::internal
33
34#endif
35