1 /*
2  * Copyright (C) 2016 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_CHA_GUARD_OPTIMIZATION_H_
18 #define ART_COMPILER_OPTIMIZING_CHA_GUARD_OPTIMIZATION_H_
19 
20 #include "optimization.h"
21 
22 namespace art {
23 
24 /**
25  * Optimize CHA guards by removing/moving them.
26  */
27 class CHAGuardOptimization : public HOptimization {
28  public:
29   explicit CHAGuardOptimization(HGraph* graph,
30                                 const char* name = kCHAGuardOptimizationPassName)
HOptimization(graph,name)31       : HOptimization(graph, name) {}
32 
33   bool Run() override;
34 
35   static constexpr const char* kCHAGuardOptimizationPassName = "cha_guard_optimization";
36 
37  private:
38   DISALLOW_COPY_AND_ASSIGN(CHAGuardOptimization);
39 };
40 
41 }  // namespace art
42 
43 #endif  // ART_COMPILER_OPTIMIZING_CHA_GUARD_OPTIMIZATION_H_
44