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_INSTRUCTION_SIMPLIFIER_ARM_H_
18 #define ART_COMPILER_OPTIMIZING_INSTRUCTION_SIMPLIFIER_ARM_H_
19 
20 #include "nodes.h"
21 #include "optimization.h"
22 
23 namespace art {
24 namespace arm {
25 
26 class InstructionSimplifierArmVisitor : public HGraphVisitor {
27  public:
InstructionSimplifierArmVisitor(HGraph * graph,OptimizingCompilerStats * stats)28   InstructionSimplifierArmVisitor(HGraph* graph, OptimizingCompilerStats* stats)
29       : HGraphVisitor(graph), stats_(stats) {}
30 
31  private:
RecordSimplification()32   void RecordSimplification() {
33     if (stats_ != nullptr) {
34       stats_->RecordStat(kInstructionSimplificationsArch);
35     }
36   }
37 
38   void VisitMul(HMul* instruction) OVERRIDE;
39   void VisitOr(HOr* instruction) OVERRIDE;
40   void VisitAnd(HAnd* instruction) OVERRIDE;
41 
42   OptimizingCompilerStats* stats_;
43 };
44 
45 
46 class InstructionSimplifierArm : public HOptimization {
47  public:
InstructionSimplifierArm(HGraph * graph,OptimizingCompilerStats * stats)48   InstructionSimplifierArm(HGraph* graph, OptimizingCompilerStats* stats)
49     : HOptimization(graph, "instruction_simplifier_arm", stats) {}
50 
Run()51   void Run() OVERRIDE {
52     InstructionSimplifierArmVisitor visitor(graph_, stats_);
53     visitor.VisitReversePostOrder();
54   }
55 };
56 
57 }  // namespace arm
58 }  // namespace art
59 
60 #endif  // ART_COMPILER_OPTIMIZING_INSTRUCTION_SIMPLIFIER_ARM_H_
61