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_BUILDER_H_ 18 #define ART_COMPILER_OPTIMIZING_BUILDER_H_ 19 20 #include "base/arena_object.h" 21 #include "base/array_ref.h" 22 #include "dex/code_item_accessors.h" 23 #include "dex/dex_file-inl.h" 24 #include "dex/dex_file.h" 25 #include "nodes.h" 26 27 namespace art { 28 29 class ArtMethod; 30 class CodeGenerator; 31 class DexCompilationUnit; 32 class OptimizingCompilerStats; 33 34 class HGraphBuilder : public ValueObject { 35 public: 36 HGraphBuilder(HGraph* graph, 37 const CodeItemDebugInfoAccessor& accessor, 38 const DexCompilationUnit* dex_compilation_unit, 39 const DexCompilationUnit* outer_compilation_unit, 40 CodeGenerator* code_generator, 41 OptimizingCompilerStats* compiler_stats, 42 ArrayRef<const uint8_t> interpreter_metadata, 43 VariableSizedHandleScope* handles); 44 45 // Only for unit testing. 46 HGraphBuilder(HGraph* graph, 47 const DexCompilationUnit* dex_compilation_unit, 48 const CodeItemDebugInfoAccessor& accessor, 49 VariableSizedHandleScope* handles, 50 DataType::Type return_type = DataType::Type::kInt32); 51 52 GraphAnalysisResult BuildGraph(); 53 void BuildIntrinsicGraph(ArtMethod* method); 54 55 static constexpr const char* kBuilderPassName = "builder"; 56 57 private: 58 bool SkipCompilation(size_t number_of_branches); 59 60 HGraph* const graph_; 61 const DexFile* const dex_file_; 62 const CodeItemDebugInfoAccessor code_item_accessor_; // null for intrinsic graph. 63 64 // The compilation unit of the current method being compiled. Note that 65 // it can be an inlined method. 66 const DexCompilationUnit* const dex_compilation_unit_; 67 68 // The compilation unit of the enclosing method being compiled. 69 const DexCompilationUnit* const outer_compilation_unit_; 70 71 CodeGenerator* const code_generator_; 72 73 OptimizingCompilerStats* const compilation_stats_; 74 const ArrayRef<const uint8_t> interpreter_metadata_; 75 VariableSizedHandleScope* const handles_; 76 const DataType::Type return_type_; 77 78 DISALLOW_COPY_AND_ASSIGN(HGraphBuilder); 79 }; 80 81 } // namespace art 82 83 #endif // ART_COMPILER_OPTIMIZING_BUILDER_H_ 84