gvn.h revision 69ba7b7112c2277ac225615b37e6df74c055740d 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_COMPILER_OPTIMIZING_GVN_H_
18#define ART_COMPILER_OPTIMIZING_GVN_H_
19
20#include "nodes.h"
21#include "optimization.h"
22
23namespace art {
24
25class SideEffectsAnalysis;
26
27class GVNOptimization : public HOptimization {
28 public:
29  GVNOptimization(HGraph* graph, const SideEffectsAnalysis& side_effects)
30      : HOptimization(graph, kGlobalValueNumberingPassName), side_effects_(side_effects) {}
31
32  void Run() OVERRIDE;
33
34  static constexpr const char* kGlobalValueNumberingPassName = "GVN";
35
36 private:
37  const SideEffectsAnalysis& side_effects_;
38
39  DISALLOW_COPY_AND_ASSIGN(GVNOptimization);
40};
41
42}  // namespace art
43
44#endif  // ART_COMPILER_OPTIMIZING_GVN_H_
45