Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 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 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 17 | #include "optimizing_compiler.h" |
| 18 | |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 19 | #include <fstream> |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 20 | #include <stdint.h> |
| 21 | |
| 22 | #include "builder.h" |
| 23 | #include "code_generator.h" |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 24 | #include "compiler.h" |
Roland Levillain | 75be283 | 2014-10-17 17:02:00 +0100 | [diff] [blame] | 25 | #include "constant_folding.h" |
| 26 | #include "dead_code_elimination.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 27 | #include "driver/compiler_driver.h" |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 28 | #include "driver/dex_compilation_unit.h" |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 29 | #include "elf_writer_quick.h" |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 30 | #include "graph_visualizer.h" |
Nicolas Geoffray | d31cf3d | 2014-09-08 17:30:24 +0100 | [diff] [blame] | 31 | #include "gvn.h" |
Nicolas Geoffray | 3c04974 | 2014-09-24 18:10:46 +0100 | [diff] [blame] | 32 | #include "instruction_simplifier.h" |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 33 | #include "jni/quick/jni_compiler.h" |
| 34 | #include "mirror/art_method-inl.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 35 | #include "nodes.h" |
Nicolas Geoffray | 26a25ef | 2014-09-30 13:54:09 +0100 | [diff] [blame] | 36 | #include "prepare_for_register_allocation.h" |
Nicolas Geoffray | a7062e0 | 2014-05-22 12:50:17 +0100 | [diff] [blame] | 37 | #include "register_allocator.h" |
Nicolas Geoffray | 7dc206a | 2014-07-11 09:49:49 +0100 | [diff] [blame] | 38 | #include "ssa_phi_elimination.h" |
Nicolas Geoffray | 804d093 | 2014-05-02 08:46:00 +0100 | [diff] [blame] | 39 | #include "ssa_liveness_analysis.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 40 | #include "utils/arena_allocator.h" |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 41 | |
| 42 | namespace art { |
| 43 | |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 44 | /** |
| 45 | * Used by the code generator, to allocate the code in a vector. |
| 46 | */ |
| 47 | class CodeVectorAllocator FINAL : public CodeAllocator { |
| 48 | public: |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 49 | CodeVectorAllocator() {} |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 50 | |
| 51 | virtual uint8_t* Allocate(size_t size) { |
| 52 | size_ = size; |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 53 | memory_.resize(size); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 54 | return &memory_[0]; |
| 55 | } |
| 56 | |
| 57 | size_t GetSize() const { return size_; } |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 58 | const std::vector<uint8_t>& GetMemory() const { return memory_; } |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 59 | |
| 60 | private: |
| 61 | std::vector<uint8_t> memory_; |
| 62 | size_t size_; |
| 63 | |
| 64 | DISALLOW_COPY_AND_ASSIGN(CodeVectorAllocator); |
| 65 | }; |
| 66 | |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 67 | /** |
| 68 | * If set to true, generates a file suitable for the c1visualizer tool and IRHydra. |
| 69 | */ |
| 70 | static bool kIsVisualizerEnabled = false; |
| 71 | |
| 72 | /** |
| 73 | * Filter to apply to the visualizer. Methods whose name contain that filter will |
| 74 | * be in the file. |
| 75 | */ |
| 76 | static const char* kStringFilter = ""; |
| 77 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 78 | class OptimizingCompiler FINAL : public Compiler { |
| 79 | public: |
| 80 | explicit OptimizingCompiler(CompilerDriver* driver); |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 81 | ~OptimizingCompiler(); |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 82 | |
| 83 | bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file, CompilationUnit* cu) const |
| 84 | OVERRIDE; |
| 85 | |
| 86 | CompiledMethod* Compile(const DexFile::CodeItem* code_item, |
| 87 | uint32_t access_flags, |
| 88 | InvokeType invoke_type, |
| 89 | uint16_t class_def_idx, |
| 90 | uint32_t method_idx, |
| 91 | jobject class_loader, |
| 92 | const DexFile& dex_file) const OVERRIDE; |
| 93 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 94 | CompiledMethod* JniCompile(uint32_t access_flags, |
| 95 | uint32_t method_idx, |
| 96 | const DexFile& dex_file) const OVERRIDE; |
| 97 | |
| 98 | uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const OVERRIDE |
| 99 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 100 | |
| 101 | bool WriteElf(art::File* file, |
| 102 | OatWriter* oat_writer, |
| 103 | const std::vector<const art::DexFile*>& dex_files, |
| 104 | const std::string& android_root, |
| 105 | bool is_host) const OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 106 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 107 | Backend* GetCodeGenerator(CompilationUnit* cu ATTRIBUTE_UNUSED, |
| 108 | void* compilation_unit ATTRIBUTE_UNUSED) const OVERRIDE { |
| 109 | return nullptr; |
| 110 | } |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 111 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 112 | void InitCompilationUnit(CompilationUnit& cu ATTRIBUTE_UNUSED) const OVERRIDE {} |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 113 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 114 | void Init() const OVERRIDE {} |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 115 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 116 | void UnInit() const OVERRIDE {} |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 117 | |
| 118 | private: |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 119 | // Whether we should run any optimization or register allocation. If false, will |
| 120 | // just run the code generation after the graph was built. |
| 121 | const bool run_optimizations_; |
| 122 | mutable AtomicInteger total_compiled_methods_; |
| 123 | mutable AtomicInteger unoptimized_compiled_methods_; |
| 124 | mutable AtomicInteger optimized_compiled_methods_; |
| 125 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 126 | std::unique_ptr<std::ostream> visualizer_output_; |
| 127 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 128 | DISALLOW_COPY_AND_ASSIGN(OptimizingCompiler); |
| 129 | }; |
| 130 | |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 131 | static const int kMaximumCompilationTimeBeforeWarning = 100; /* ms */ |
| 132 | |
| 133 | OptimizingCompiler::OptimizingCompiler(CompilerDriver* driver) |
| 134 | : Compiler(driver, kMaximumCompilationTimeBeforeWarning), |
| 135 | run_optimizations_( |
| 136 | driver->GetCompilerOptions().GetCompilerFilter() != CompilerOptions::kTime), |
| 137 | total_compiled_methods_(0), |
| 138 | unoptimized_compiled_methods_(0), |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 139 | optimized_compiled_methods_(0) { |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 140 | if (kIsVisualizerEnabled) { |
| 141 | visualizer_output_.reset(new std::ofstream("art.cfg")); |
| 142 | } |
| 143 | } |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 144 | |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 145 | OptimizingCompiler::~OptimizingCompiler() { |
Nicolas Geoffray | ce71ae7 | 2014-09-18 11:31:32 +0100 | [diff] [blame] | 146 | if (total_compiled_methods_ == 0) { |
| 147 | LOG(INFO) << "Did not compile any method."; |
| 148 | } else { |
| 149 | size_t unoptimized_percent = (unoptimized_compiled_methods_ * 100 / total_compiled_methods_); |
| 150 | size_t optimized_percent = (optimized_compiled_methods_ * 100 / total_compiled_methods_); |
| 151 | LOG(INFO) << "Compiled " << total_compiled_methods_ << " methods: " |
| 152 | << unoptimized_percent << "% (" << unoptimized_compiled_methods_ << ") unoptimized, " |
| 153 | << optimized_percent << "% (" << optimized_compiled_methods_ << ") optimized."; |
| 154 | } |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 155 | } |
| 156 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 157 | bool OptimizingCompiler::CanCompileMethod(uint32_t method_idx ATTRIBUTE_UNUSED, |
| 158 | const DexFile& dex_file ATTRIBUTE_UNUSED, |
| 159 | CompilationUnit* cu ATTRIBUTE_UNUSED) const { |
| 160 | return true; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | CompiledMethod* OptimizingCompiler::JniCompile(uint32_t access_flags, |
| 164 | uint32_t method_idx, |
| 165 | const DexFile& dex_file) const { |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 166 | return ArtQuickJniCompileMethod(GetCompilerDriver(), access_flags, method_idx, dex_file); |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | uintptr_t OptimizingCompiler::GetEntryPointOf(mirror::ArtMethod* method) const { |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 170 | return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCode()); |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | bool OptimizingCompiler::WriteElf(art::File* file, OatWriter* oat_writer, |
| 174 | const std::vector<const art::DexFile*>& dex_files, |
| 175 | const std::string& android_root, bool is_host) const { |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 176 | return art::ElfWriterQuick32::Create(file, oat_writer, dex_files, android_root, is_host, |
| 177 | *GetCompilerDriver()); |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 178 | } |
| 179 | |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 180 | static bool IsInstructionSetSupported(InstructionSet instruction_set) { |
| 181 | return instruction_set == kArm64 |
| 182 | || (instruction_set == kThumb2 && !kArm32QuickCodeUseSoftFloat) |
| 183 | || instruction_set == kX86 |
| 184 | || instruction_set == kX86_64; |
| 185 | } |
| 186 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 187 | static bool CanOptimize(const DexFile::CodeItem& code_item) { |
| 188 | // TODO: We currently cannot optimize methods with try/catch. |
| 189 | return code_item.tries_size_ == 0; |
| 190 | } |
| 191 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame^] | 192 | CompiledMethod* OptimizingCompiler::Compile(const DexFile::CodeItem* code_item, |
| 193 | uint32_t access_flags, |
| 194 | InvokeType invoke_type, |
| 195 | uint16_t class_def_idx, |
| 196 | uint32_t method_idx, |
| 197 | jobject class_loader, |
| 198 | const DexFile& dex_file) const { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 199 | UNUSED(invoke_type); |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 200 | total_compiled_methods_++; |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 201 | InstructionSet instruction_set = GetCompilerDriver()->GetInstructionSet(); |
Nicolas Geoffray | 8d48673 | 2014-07-16 16:23:40 +0100 | [diff] [blame] | 202 | // Always use the thumb2 assembler: some runtime functionality (like implicit stack |
| 203 | // overflow checks) assume thumb2. |
| 204 | if (instruction_set == kArm) { |
| 205 | instruction_set = kThumb2; |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | // Do not attempt to compile on architectures we do not support. |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 209 | if (!IsInstructionSetSupported(instruction_set)) { |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 210 | return nullptr; |
| 211 | } |
| 212 | |
Nicolas Geoffray | b5f62b3 | 2014-10-30 10:58:41 +0000 | [diff] [blame] | 213 | if (Compiler::IsPathologicalCase(*code_item, method_idx, dex_file)) { |
| 214 | return nullptr; |
| 215 | } |
| 216 | |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 217 | DexCompilationUnit dex_compilation_unit( |
| 218 | nullptr, class_loader, art::Runtime::Current()->GetClassLinker(), dex_file, code_item, |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 219 | class_def_idx, method_idx, access_flags, |
| 220 | GetCompilerDriver()->GetVerifiedMethod(&dex_file, method_idx)); |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 221 | |
Nicolas Geoffray | 8ccc3f5 | 2014-03-19 10:34:11 +0000 | [diff] [blame] | 222 | // For testing purposes, we put a special marker on method names that should be compiled |
| 223 | // with this compiler. This makes sure we're not regressing. |
| 224 | bool shouldCompile = dex_compilation_unit.GetSymbol().find("00024opt_00024") != std::string::npos; |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 225 | bool shouldOptimize = |
| 226 | dex_compilation_unit.GetSymbol().find("00024reg_00024") != std::string::npos; |
Nicolas Geoffray | 8ccc3f5 | 2014-03-19 10:34:11 +0000 | [diff] [blame] | 227 | |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 228 | ArenaPool pool; |
| 229 | ArenaAllocator arena(&pool); |
Nicolas Geoffray | e503832 | 2014-07-04 09:41:32 +0100 | [diff] [blame] | 230 | HGraphBuilder builder(&arena, &dex_compilation_unit, &dex_file, GetCompilerDriver()); |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 231 | |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 232 | HGraph* graph = builder.BuildGraph(*code_item); |
| 233 | if (graph == nullptr) { |
Zheng Xu | 5667fdb | 2014-10-23 18:29:55 +0800 | [diff] [blame] | 234 | CHECK(!shouldCompile) << "Could not build graph in optimizing compiler"; |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 235 | return nullptr; |
| 236 | } |
| 237 | |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 238 | CodeGenerator* codegen = CodeGenerator::Create(&arena, graph, instruction_set); |
| 239 | if (codegen == nullptr) { |
Zheng Xu | 5667fdb | 2014-10-23 18:29:55 +0800 | [diff] [blame] | 240 | CHECK(!shouldCompile) << "Could not find code generator for optimizing compiler"; |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 241 | return nullptr; |
| 242 | } |
| 243 | |
Nicolas Geoffray | a7062e0 | 2014-05-22 12:50:17 +0100 | [diff] [blame] | 244 | HGraphVisualizer visualizer( |
| 245 | visualizer_output_.get(), graph, kStringFilter, *codegen, dex_compilation_unit); |
| 246 | visualizer.DumpGraph("builder"); |
| 247 | |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 248 | CodeVectorAllocator allocator; |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 249 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 250 | if (run_optimizations_ |
| 251 | && CanOptimize(*code_item) |
| 252 | && RegisterAllocator::CanAllocateRegistersFor(*graph, instruction_set)) { |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 253 | optimized_compiled_methods_++; |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 254 | graph->BuildDominatorTree(); |
| 255 | graph->TransformToSSA(); |
| 256 | visualizer.DumpGraph("ssa"); |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 257 | graph->FindNaturalLoops(); |
Nicolas Geoffray | 7dc206a | 2014-07-11 09:49:49 +0100 | [diff] [blame] | 258 | |
Roland Levillain | 75be283 | 2014-10-17 17:02:00 +0100 | [diff] [blame] | 259 | HDeadCodeElimination(graph, visualizer).Execute(); |
| 260 | HConstantFolding(graph, visualizer).Execute(); |
| 261 | |
Nicolas Geoffray | 7dc206a | 2014-07-11 09:49:49 +0100 | [diff] [blame] | 262 | SsaRedundantPhiElimination(graph).Run(); |
| 263 | SsaDeadPhiElimination(graph).Run(); |
Nicolas Geoffray | 3c04974 | 2014-09-24 18:10:46 +0100 | [diff] [blame] | 264 | InstructionSimplifier(graph).Run(); |
Nicolas Geoffray | d31cf3d | 2014-09-08 17:30:24 +0100 | [diff] [blame] | 265 | GlobalValueNumberer(graph->GetArena(), graph).Run(); |
| 266 | visualizer.DumpGraph(kGVNPassName); |
Nicolas Geoffray | af07bc1 | 2014-11-12 18:08:09 +0000 | [diff] [blame] | 267 | InstructionSimplifier(graph).Run(); |
Nicolas Geoffray | 26a25ef | 2014-09-30 13:54:09 +0100 | [diff] [blame] | 268 | PrepareForRegisterAllocation(graph).Run(); |
Nicolas Geoffray | 7dc206a | 2014-07-11 09:49:49 +0100 | [diff] [blame] | 269 | |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 270 | SsaLivenessAnalysis liveness(*graph, codegen); |
| 271 | liveness.Analyze(); |
| 272 | visualizer.DumpGraph(kLivenessPassName); |
| 273 | |
| 274 | RegisterAllocator register_allocator(graph->GetArena(), codegen, liveness); |
| 275 | register_allocator.AllocateRegisters(); |
| 276 | |
| 277 | visualizer.DumpGraph(kRegisterAllocatorPassName); |
| 278 | codegen->CompileOptimized(&allocator); |
Nicolas Geoffray | 3946844 | 2014-09-02 15:17:15 +0100 | [diff] [blame] | 279 | |
| 280 | std::vector<uint8_t> mapping_table; |
| 281 | SrcMap src_mapping_table; |
| 282 | codegen->BuildMappingTable(&mapping_table, |
| 283 | GetCompilerDriver()->GetCompilerOptions().GetIncludeDebugSymbols() ? |
| 284 | &src_mapping_table : nullptr); |
| 285 | |
| 286 | std::vector<uint8_t> stack_map; |
| 287 | codegen->BuildStackMaps(&stack_map); |
| 288 | |
| 289 | return new CompiledMethod(GetCompilerDriver(), |
| 290 | instruction_set, |
| 291 | allocator.GetMemory(), |
| 292 | codegen->GetFrameSize(), |
| 293 | codegen->GetCoreSpillMask(), |
| 294 | 0, /* FPR spill mask, unused */ |
| 295 | mapping_table, |
| 296 | stack_map); |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 297 | } else if (shouldOptimize && RegisterAllocator::Supports(instruction_set)) { |
| 298 | LOG(FATAL) << "Could not allocate registers in optimizing compiler"; |
Zheng Xu | 5667fdb | 2014-10-23 18:29:55 +0800 | [diff] [blame] | 299 | UNREACHABLE(); |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 300 | } else { |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 301 | unoptimized_compiled_methods_++; |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 302 | codegen->CompileBaseline(&allocator); |
| 303 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 304 | if (CanOptimize(*code_item)) { |
| 305 | // Run these phases to get some test coverage. |
| 306 | graph->BuildDominatorTree(); |
| 307 | graph->TransformToSSA(); |
| 308 | visualizer.DumpGraph("ssa"); |
| 309 | graph->FindNaturalLoops(); |
| 310 | SsaRedundantPhiElimination(graph).Run(); |
| 311 | SsaDeadPhiElimination(graph).Run(); |
| 312 | GlobalValueNumberer(graph->GetArena(), graph).Run(); |
| 313 | SsaLivenessAnalysis liveness(*graph, codegen); |
| 314 | liveness.Analyze(); |
| 315 | visualizer.DumpGraph(kLivenessPassName); |
| 316 | } |
Nicolas Geoffray | 3946844 | 2014-09-02 15:17:15 +0100 | [diff] [blame] | 317 | |
| 318 | std::vector<uint8_t> mapping_table; |
| 319 | SrcMap src_mapping_table; |
| 320 | codegen->BuildMappingTable(&mapping_table, |
| 321 | GetCompilerDriver()->GetCompilerOptions().GetIncludeDebugSymbols() ? |
| 322 | &src_mapping_table : nullptr); |
| 323 | std::vector<uint8_t> vmap_table; |
| 324 | codegen->BuildVMapTable(&vmap_table); |
| 325 | std::vector<uint8_t> gc_map; |
| 326 | codegen->BuildNativeGCMap(&gc_map, dex_compilation_unit); |
| 327 | |
| 328 | return new CompiledMethod(GetCompilerDriver(), |
| 329 | instruction_set, |
| 330 | allocator.GetMemory(), |
| 331 | codegen->GetFrameSize(), |
| 332 | codegen->GetCoreSpillMask(), |
| 333 | 0, /* FPR spill mask, unused */ |
| 334 | &src_mapping_table, |
| 335 | mapping_table, |
| 336 | vmap_table, |
| 337 | gc_map, |
| 338 | nullptr); |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 339 | } |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 340 | } |
| 341 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 342 | Compiler* CreateOptimizingCompiler(CompilerDriver* driver) { |
| 343 | return new OptimizingCompiler(driver); |
| 344 | } |
| 345 | |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 346 | } // namespace art |