inliner.h revision 581550137ee3a068a14224870e71aeee924a0646 
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_INLINER_H_
18#define ART_COMPILER_OPTIMIZING_INLINER_H_
19
20#include "invoke_type.h"
21#include "optimization.h"
22
23namespace art {
24
25class CompilerDriver;
26class DexCompilationUnit;
27class HGraph;
28class HInvoke;
29class OptimizingCompilerStats;
30
31class HInliner : public HOptimization {
32 public:
33  HInliner(HGraph* outer_graph,
34           const DexCompilationUnit& outer_compilation_unit,
35           const DexCompilationUnit& caller_compilation_unit,
36           CompilerDriver* compiler_driver,
37           StackHandleScopeCollection* handles,
38           OptimizingCompilerStats* stats,
39           size_t depth = 0)
40      : HOptimization(outer_graph, kInlinerPassName, stats),
41        outer_compilation_unit_(outer_compilation_unit),
42        caller_compilation_unit_(caller_compilation_unit),
43        compiler_driver_(compiler_driver),
44        depth_(depth),
45        handles_(handles) {}
46
47  void Run() OVERRIDE;
48
49  static constexpr const char* kInlinerPassName = "inliner";
50
51 private:
52  bool TryInline(HInvoke* invoke_instruction) const;
53  bool TryBuildAndInline(ArtMethod* resolved_method,
54                         HInvoke* invoke_instruction,
55                         bool same_dex_file) const;
56
57  const DexCompilationUnit& outer_compilation_unit_;
58  const DexCompilationUnit& caller_compilation_unit_;
59  CompilerDriver* const compiler_driver_;
60  const size_t depth_;
61  StackHandleScopeCollection* const handles_;
62
63  DISALLOW_COPY_AND_ASSIGN(HInliner);
64};
65
66}  // namespace art
67
68#endif  // ART_COMPILER_OPTIMIZING_INLINER_H_
69