inliner.h revision 6e4758615308bb525b6350c30468e33a2e1f2274 
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           OptimizingCompilerStats* stats,
38           size_t depth = 0)
39      : HOptimization(outer_graph, true, kInlinerPassName, stats),
40        outer_compilation_unit_(outer_compilation_unit),
41        caller_compilation_unit_(caller_compilation_unit),
42        compiler_driver_(compiler_driver),
43        depth_(depth) {}
44
45  void Run() OVERRIDE;
46
47  static constexpr const char* kInlinerPassName = "inliner";
48
49 private:
50  bool TryInline(HInvoke* invoke_instruction, uint32_t method_index, InvokeType invoke_type) const;
51  bool TryBuildAndInline(ArtMethod* resolved_method,
52                         HInvoke* invoke_instruction,
53                         uint32_t method_index,
54                         bool same_dex_file) const;
55
56  const DexCompilationUnit& outer_compilation_unit_;
57  const DexCompilationUnit& caller_compilation_unit_;
58  CompilerDriver* const compiler_driver_;
59  const size_t depth_;
60
61  DISALLOW_COPY_AND_ASSIGN(HInliner);
62};
63
64}  // namespace art
65
66#endif  // ART_COMPILER_OPTIMIZING_INLINER_H_
67