1 /*
2  * Copyright (C) 2015 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_LICM_H_
18 #define ART_COMPILER_OPTIMIZING_LICM_H_
19 
20 #include "nodes.h"
21 #include "optimization.h"
22 
23 namespace art {
24 
25 class SideEffectsAnalysis;
26 
27 class LICM : public HOptimization {
28  public:
29   LICM(HGraph* graph,
30        const SideEffectsAnalysis& side_effects,
31        OptimizingCompilerStats* stats,
32        const char* name = kLoopInvariantCodeMotionPassName)
HOptimization(graph,name,stats)33       : HOptimization(graph, name, stats),
34         side_effects_(side_effects) {}
35 
36   bool Run() override;
37 
38   static constexpr const char* kLoopInvariantCodeMotionPassName = "licm";
39 
40  private:
41   const SideEffectsAnalysis& side_effects_;
42 
43   DISALLOW_COPY_AND_ASSIGN(LICM);
44 };
45 
46 }  // namespace art
47 
48 #endif  // ART_COMPILER_OPTIMIZING_LICM_H_
49