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      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)
     33       : HOptimization(graph, name, stats),
     34         side_effects_(side_effects) {}
     35 
     36   void 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