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 | |
Mathieu Chartier | b666f48 | 2015-02-18 14:33:14 -0800 | [diff] [blame] | 22 | #include "base/arena_allocator.h" |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 23 | #include "base/dumpable.h" |
| 24 | #include "base/timing_logger.h" |
David Brazdil | 46e2a39 | 2015-03-16 17:31:52 +0000 | [diff] [blame] | 25 | #include "boolean_simplifier.h" |
Mingyao Yang | f384f88 | 2014-10-22 16:08:18 -0700 | [diff] [blame] | 26 | #include "bounds_check_elimination.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 27 | #include "builder.h" |
| 28 | #include "code_generator.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 29 | #include "compiled_method.h" |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 30 | #include "compiler.h" |
Roland Levillain | 75be283 | 2014-10-17 17:02:00 +0100 | [diff] [blame] | 31 | #include "constant_folding.h" |
| 32 | #include "dead_code_elimination.h" |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 33 | #include "dex/quick/dex_file_to_method_inliner_map.h" |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 34 | #include "dex/verified_method.h" |
| 35 | #include "dex/verification_results.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 36 | #include "driver/compiler_driver.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 37 | #include "driver/compiler_options.h" |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 38 | #include "driver/dex_compilation_unit.h" |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 39 | #include "elf_writer_quick.h" |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 40 | #include "graph_visualizer.h" |
Nicolas Geoffray | d31cf3d | 2014-09-08 17:30:24 +0100 | [diff] [blame] | 41 | #include "gvn.h" |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 42 | #include "inliner.h" |
Nicolas Geoffray | 3c04974 | 2014-09-24 18:10:46 +0100 | [diff] [blame] | 43 | #include "instruction_simplifier.h" |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 44 | #include "intrinsics.h" |
Nicolas Geoffray | 82091da | 2015-01-26 10:02:45 +0000 | [diff] [blame] | 45 | #include "licm.h" |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 46 | #include "jni/quick/jni_compiler.h" |
| 47 | #include "mirror/art_method-inl.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 48 | #include "nodes.h" |
Nicolas Geoffray | 26a25ef | 2014-09-30 13:54:09 +0100 | [diff] [blame] | 49 | #include "prepare_for_register_allocation.h" |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 50 | #include "reference_type_propagation.h" |
Nicolas Geoffray | a7062e0 | 2014-05-22 12:50:17 +0100 | [diff] [blame] | 51 | #include "register_allocator.h" |
Nicolas Geoffray | 827eedb | 2015-01-26 15:18:36 +0000 | [diff] [blame] | 52 | #include "side_effects_analysis.h" |
Nicolas Geoffray | 3159674 | 2014-11-24 15:28:45 +0000 | [diff] [blame] | 53 | #include "ssa_builder.h" |
Nicolas Geoffray | 7dc206a | 2014-07-11 09:49:49 +0100 | [diff] [blame] | 54 | #include "ssa_phi_elimination.h" |
Nicolas Geoffray | 804d093 | 2014-05-02 08:46:00 +0100 | [diff] [blame] | 55 | #include "ssa_liveness_analysis.h" |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 56 | #include "utils/assembler.h" |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 57 | |
| 58 | namespace art { |
| 59 | |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 60 | /** |
| 61 | * Used by the code generator, to allocate the code in a vector. |
| 62 | */ |
| 63 | class CodeVectorAllocator FINAL : public CodeAllocator { |
| 64 | public: |
Andreas Gampe | 7c3952f | 2015-02-19 18:21:24 -0800 | [diff] [blame] | 65 | CodeVectorAllocator() : size_(0) {} |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 66 | |
| 67 | virtual uint8_t* Allocate(size_t size) { |
| 68 | size_ = size; |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 69 | memory_.resize(size); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 70 | return &memory_[0]; |
| 71 | } |
| 72 | |
| 73 | size_t GetSize() const { return size_; } |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 74 | const std::vector<uint8_t>& GetMemory() const { return memory_; } |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 75 | |
| 76 | private: |
| 77 | std::vector<uint8_t> memory_; |
| 78 | size_t size_; |
| 79 | |
| 80 | DISALLOW_COPY_AND_ASSIGN(CodeVectorAllocator); |
| 81 | }; |
| 82 | |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 83 | /** |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 84 | * Filter to apply to the visualizer. Methods whose name contain that filter will |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 85 | * be dumped. |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 86 | */ |
| 87 | static const char* kStringFilter = ""; |
| 88 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 89 | class PassInfo; |
| 90 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 91 | class PassInfoPrinter : public ValueObject { |
| 92 | public: |
| 93 | PassInfoPrinter(HGraph* graph, |
| 94 | const char* method_name, |
| 95 | const CodeGenerator& codegen, |
| 96 | std::ostream* visualizer_output, |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 97 | CompilerDriver* compiler_driver) |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 98 | : method_name_(method_name), |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 99 | timing_logger_enabled_(compiler_driver->GetDumpPasses()), |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 100 | timing_logger_(method_name, true, true), |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 101 | visualizer_enabled_(!compiler_driver->GetDumpCfgFileName().empty()), |
David Brazdil | 62e074f | 2015-04-07 18:09:37 +0100 | [diff] [blame] | 102 | visualizer_(visualizer_output, graph, codegen) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 103 | if (strstr(method_name, kStringFilter) == nullptr) { |
| 104 | timing_logger_enabled_ = visualizer_enabled_ = false; |
| 105 | } |
David Brazdil | 62e074f | 2015-04-07 18:09:37 +0100 | [diff] [blame] | 106 | if (visualizer_enabled_) { |
| 107 | visualizer_.PrintHeader(method_name_); |
| 108 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 109 | } |
| 110 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 111 | ~PassInfoPrinter() { |
| 112 | if (timing_logger_enabled_) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 113 | LOG(INFO) << "TIMINGS " << method_name_; |
| 114 | LOG(INFO) << Dumpable<TimingLogger>(timing_logger_); |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | private: |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 119 | void StartPass(const char* pass_name) { |
| 120 | // Dump graph first, then start timer. |
| 121 | if (visualizer_enabled_) { |
| 122 | visualizer_.DumpGraph(pass_name, /* is_after_pass */ false); |
| 123 | } |
| 124 | if (timing_logger_enabled_) { |
| 125 | timing_logger_.StartTiming(pass_name); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | void EndPass(const char* pass_name) { |
| 130 | // Pause timer first, then dump graph. |
| 131 | if (timing_logger_enabled_) { |
| 132 | timing_logger_.EndTiming(); |
| 133 | } |
| 134 | if (visualizer_enabled_) { |
| 135 | visualizer_.DumpGraph(pass_name, /* is_after_pass */ true); |
| 136 | } |
| 137 | } |
| 138 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 139 | const char* method_name_; |
| 140 | |
| 141 | bool timing_logger_enabled_; |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 142 | TimingLogger timing_logger_; |
| 143 | |
| 144 | bool visualizer_enabled_; |
| 145 | HGraphVisualizer visualizer_; |
| 146 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 147 | friend PassInfo; |
| 148 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 149 | DISALLOW_COPY_AND_ASSIGN(PassInfoPrinter); |
| 150 | }; |
| 151 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 152 | class PassInfo : public ValueObject { |
| 153 | public: |
| 154 | PassInfo(const char *pass_name, PassInfoPrinter* pass_info_printer) |
| 155 | : pass_name_(pass_name), |
| 156 | pass_info_printer_(pass_info_printer) { |
| 157 | pass_info_printer_->StartPass(pass_name_); |
| 158 | } |
| 159 | |
| 160 | ~PassInfo() { |
| 161 | pass_info_printer_->EndPass(pass_name_); |
| 162 | } |
| 163 | |
| 164 | private: |
| 165 | const char* const pass_name_; |
| 166 | PassInfoPrinter* const pass_info_printer_; |
| 167 | }; |
| 168 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 169 | class OptimizingCompiler FINAL : public Compiler { |
| 170 | public: |
| 171 | explicit OptimizingCompiler(CompilerDriver* driver); |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 172 | ~OptimizingCompiler(); |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 173 | |
| 174 | bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file, CompilationUnit* cu) const |
| 175 | OVERRIDE; |
| 176 | |
| 177 | CompiledMethod* Compile(const DexFile::CodeItem* code_item, |
| 178 | uint32_t access_flags, |
| 179 | InvokeType invoke_type, |
| 180 | uint16_t class_def_idx, |
| 181 | uint32_t method_idx, |
| 182 | jobject class_loader, |
| 183 | const DexFile& dex_file) const OVERRIDE; |
| 184 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 185 | CompiledMethod* TryCompile(const DexFile::CodeItem* code_item, |
| 186 | uint32_t access_flags, |
| 187 | InvokeType invoke_type, |
| 188 | uint16_t class_def_idx, |
| 189 | uint32_t method_idx, |
| 190 | jobject class_loader, |
| 191 | const DexFile& dex_file) const; |
| 192 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 193 | CompiledMethod* JniCompile(uint32_t access_flags, |
| 194 | uint32_t method_idx, |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 195 | const DexFile& dex_file) const OVERRIDE { |
| 196 | return ArtQuickJniCompileMethod(GetCompilerDriver(), access_flags, method_idx, dex_file); |
| 197 | } |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 198 | |
| 199 | uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const OVERRIDE |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 200 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 201 | return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCodePtrSize( |
| 202 | InstructionSetPointerSize(GetCompilerDriver()->GetInstructionSet()))); |
| 203 | } |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 204 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 205 | void InitCompilationUnit(CompilationUnit& cu) const OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 206 | |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 207 | void Init() OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 208 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 209 | void UnInit() const OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 210 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 211 | void MaybeRecordStat(MethodCompilationStat compilation_stat) const { |
| 212 | if (compilation_stats_.get() != nullptr) { |
| 213 | compilation_stats_->RecordStat(compilation_stat); |
| 214 | } |
| 215 | } |
| 216 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 217 | private: |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 218 | // Whether we should run any optimization or register allocation. If false, will |
| 219 | // just run the code generation after the graph was built. |
| 220 | const bool run_optimizations_; |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 221 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 222 | // Optimize and compile `graph`. |
| 223 | CompiledMethod* CompileOptimized(HGraph* graph, |
| 224 | CodeGenerator* codegen, |
| 225 | CompilerDriver* driver, |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 226 | const DexFile& dex_file, |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 227 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 228 | PassInfoPrinter* pass_info) const; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 229 | |
| 230 | // Just compile without doing optimizations. |
| 231 | CompiledMethod* CompileBaseline(CodeGenerator* codegen, |
| 232 | CompilerDriver* driver, |
| 233 | const DexCompilationUnit& dex_compilation_unit) const; |
| 234 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 235 | std::unique_ptr<OptimizingCompilerStats> compilation_stats_; |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 236 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 237 | std::unique_ptr<std::ostream> visualizer_output_; |
| 238 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 239 | // Delegate to Quick in case the optimizing compiler cannot compile a method. |
| 240 | std::unique_ptr<Compiler> delegate_; |
| 241 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 242 | DISALLOW_COPY_AND_ASSIGN(OptimizingCompiler); |
| 243 | }; |
| 244 | |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 245 | static const int kMaximumCompilationTimeBeforeWarning = 100; /* ms */ |
| 246 | |
| 247 | OptimizingCompiler::OptimizingCompiler(CompilerDriver* driver) |
| 248 | : Compiler(driver, kMaximumCompilationTimeBeforeWarning), |
| 249 | run_optimizations_( |
Nicolas Geoffray | a3d90fb | 2015-03-16 13:55:40 +0000 | [diff] [blame] | 250 | (driver->GetCompilerOptions().GetCompilerFilter() != CompilerOptions::kTime) |
| 251 | && !driver->GetCompilerOptions().GetDebuggable()), |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 252 | delegate_(Create(driver, Compiler::Kind::kQuick)) {} |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 253 | |
| 254 | void OptimizingCompiler::Init() { |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 255 | delegate_->Init(); |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 256 | // Enable C1visualizer output. Must be done in Init() because the compiler |
| 257 | // driver is not fully initialized when passed to the compiler's constructor. |
| 258 | CompilerDriver* driver = GetCompilerDriver(); |
David Brazdil | 866c031 | 2015-01-13 21:21:31 +0000 | [diff] [blame] | 259 | const std::string cfg_file_name = driver->GetDumpCfgFileName(); |
| 260 | if (!cfg_file_name.empty()) { |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 261 | CHECK_EQ(driver->GetThreadCount(), 1U) |
| 262 | << "Graph visualizer requires the compiler to run single-threaded. " |
| 263 | << "Invoke the compiler with '-j1'."; |
David Brazdil | 866c031 | 2015-01-13 21:21:31 +0000 | [diff] [blame] | 264 | visualizer_output_.reset(new std::ofstream(cfg_file_name)); |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 265 | } |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 266 | if (driver->GetDumpStats()) { |
| 267 | compilation_stats_.reset(new OptimizingCompilerStats()); |
| 268 | } |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 269 | } |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 270 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 271 | void OptimizingCompiler::UnInit() const { |
| 272 | delegate_->UnInit(); |
| 273 | } |
| 274 | |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 275 | OptimizingCompiler::~OptimizingCompiler() { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 276 | if (compilation_stats_.get() != nullptr) { |
| 277 | compilation_stats_->Log(); |
| 278 | } |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 279 | } |
| 280 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 281 | void OptimizingCompiler::InitCompilationUnit(CompilationUnit& cu) const { |
| 282 | delegate_->InitCompilationUnit(cu); |
| 283 | } |
| 284 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 285 | bool OptimizingCompiler::CanCompileMethod(uint32_t method_idx ATTRIBUTE_UNUSED, |
| 286 | const DexFile& dex_file ATTRIBUTE_UNUSED, |
| 287 | CompilationUnit* cu ATTRIBUTE_UNUSED) const { |
| 288 | return true; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 289 | } |
| 290 | |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 291 | static bool IsInstructionSetSupported(InstructionSet instruction_set) { |
| 292 | return instruction_set == kArm64 |
| 293 | || (instruction_set == kThumb2 && !kArm32QuickCodeUseSoftFloat) |
| 294 | || instruction_set == kX86 |
| 295 | || instruction_set == kX86_64; |
| 296 | } |
| 297 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 298 | static bool CanOptimize(const DexFile::CodeItem& code_item) { |
| 299 | // TODO: We currently cannot optimize methods with try/catch. |
| 300 | return code_item.tries_size_ == 0; |
| 301 | } |
| 302 | |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 303 | static void RunOptimizations(HOptimization* optimizations[], |
| 304 | size_t length, |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 305 | PassInfoPrinter* pass_info_printer) { |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 306 | for (size_t i = 0; i < length; ++i) { |
| 307 | HOptimization* optimization = optimizations[i]; |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 308 | { |
| 309 | PassInfo pass_info(optimization->GetPassName(), pass_info_printer); |
| 310 | optimization->Run(); |
| 311 | } |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 312 | optimization->Check(); |
| 313 | } |
| 314 | } |
| 315 | |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 316 | static void RunOptimizations(HGraph* graph, |
| 317 | CompilerDriver* driver, |
| 318 | OptimizingCompilerStats* stats, |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 319 | const DexFile& dex_file, |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 320 | const DexCompilationUnit& dex_compilation_unit, |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 321 | PassInfoPrinter* pass_info_printer, |
| 322 | StackHandleScopeCollection* handles) { |
David Brazdil | a4b8c21 | 2015-05-07 09:59:30 +0100 | [diff] [blame] | 323 | HDeadCodeElimination dce1(graph, stats, |
| 324 | HDeadCodeElimination::kInitialDeadCodeEliminationPassName); |
| 325 | HDeadCodeElimination dce2(graph, stats, |
| 326 | HDeadCodeElimination::kFinalDeadCodeEliminationPassName); |
Nicolas Geoffray | 9ee6618 | 2015-01-16 12:35:40 +0000 | [diff] [blame] | 327 | HConstantFolding fold1(graph); |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 328 | InstructionSimplifier simplify1(graph, stats); |
David Brazdil | 917f9ab | 2015-04-21 15:13:31 +0100 | [diff] [blame] | 329 | HBooleanSimplifier boolean_simplify(graph); |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 330 | |
Nicolas Geoffray | 9437b78 | 2015-03-25 10:08:51 +0000 | [diff] [blame] | 331 | HInliner inliner(graph, dex_compilation_unit, dex_compilation_unit, driver, stats); |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 332 | |
Alexandre Rames | b2a5847 | 2015-04-17 14:35:18 +0100 | [diff] [blame] | 333 | HConstantFolding fold2(graph, "constant_folding_after_inlining"); |
Nicolas Geoffray | 86dde16 | 2015-01-26 12:54:33 +0000 | [diff] [blame] | 334 | SideEffectsAnalysis side_effects(graph); |
| 335 | GVNOptimization gvn(graph, side_effects); |
Nicolas Geoffray | 82091da | 2015-01-26 10:02:45 +0000 | [diff] [blame] | 336 | LICM licm(graph, side_effects); |
Mingyao Yang | f384f88 | 2014-10-22 16:08:18 -0700 | [diff] [blame] | 337 | BoundsCheckElimination bce(graph); |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 338 | ReferenceTypePropagation type_propagation(graph, dex_file, dex_compilation_unit, handles); |
| 339 | InstructionSimplifier simplify2(graph, stats, "instruction_simplifier_after_types"); |
Nicolas Geoffray | 5e6916c | 2014-11-18 16:53:35 +0000 | [diff] [blame] | 340 | |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 341 | IntrinsicsRecognizer intrinsics(graph, dex_compilation_unit.GetDexFile(), driver); |
| 342 | |
Nicolas Geoffray | 3159674 | 2014-11-24 15:28:45 +0000 | [diff] [blame] | 343 | HOptimization* optimizations[] = { |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 344 | &intrinsics, |
Calin Juravle | 8f20bdb | 2015-04-21 14:07:50 +0100 | [diff] [blame] | 345 | &dce1, |
Nicolas Geoffray | 9ee6618 | 2015-01-16 12:35:40 +0000 | [diff] [blame] | 346 | &fold1, |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 347 | &simplify1, |
David Brazdil | 917f9ab | 2015-04-21 15:13:31 +0100 | [diff] [blame] | 348 | &inliner, |
David Brazdil | 46e2a39 | 2015-03-16 17:31:52 +0000 | [diff] [blame] | 349 | // BooleanSimplifier depends on the InstructionSimplifier removing redundant |
| 350 | // suspend checks to recognize empty blocks. |
David Brazdil | 917f9ab | 2015-04-21 15:13:31 +0100 | [diff] [blame] | 351 | &boolean_simplify, |
Nicolas Geoffray | 9ee6618 | 2015-01-16 12:35:40 +0000 | [diff] [blame] | 352 | &fold2, |
Nicolas Geoffray | 86dde16 | 2015-01-26 12:54:33 +0000 | [diff] [blame] | 353 | &side_effects, |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 354 | &gvn, |
Nicolas Geoffray | 82091da | 2015-01-26 10:02:45 +0000 | [diff] [blame] | 355 | &licm, |
Mingyao Yang | f384f88 | 2014-10-22 16:08:18 -0700 | [diff] [blame] | 356 | &bce, |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 357 | &type_propagation, |
Calin Juravle | 8f20bdb | 2015-04-21 14:07:50 +0100 | [diff] [blame] | 358 | &simplify2, |
| 359 | &dce2, |
Nicolas Geoffray | 3159674 | 2014-11-24 15:28:45 +0000 | [diff] [blame] | 360 | }; |
Nicolas Geoffray | 5e6916c | 2014-11-18 16:53:35 +0000 | [diff] [blame] | 361 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 362 | RunOptimizations(optimizations, arraysize(optimizations), pass_info_printer); |
Nicolas Geoffray | 5e6916c | 2014-11-18 16:53:35 +0000 | [diff] [blame] | 363 | } |
| 364 | |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 365 | // The stack map we generate must be 4-byte aligned on ARM. Since existing |
| 366 | // maps are generated alongside these stack maps, we must also align them. |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 367 | static ArrayRef<const uint8_t> AlignVectorSize(std::vector<uint8_t>& vector) { |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 368 | size_t size = vector.size(); |
| 369 | size_t aligned_size = RoundUp(size, 4); |
| 370 | for (; size < aligned_size; ++size) { |
| 371 | vector.push_back(0); |
| 372 | } |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 373 | return ArrayRef<const uint8_t>(vector); |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 374 | } |
| 375 | |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 376 | static void AllocateRegisters(HGraph* graph, |
| 377 | CodeGenerator* codegen, |
| 378 | PassInfoPrinter* pass_info_printer) { |
| 379 | PrepareForRegisterAllocation(graph).Run(); |
Nicolas Geoffray | 0d9f17d | 2015-04-15 14:17:44 +0100 | [diff] [blame] | 380 | SsaLivenessAnalysis liveness(graph, codegen); |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 381 | { |
| 382 | PassInfo pass_info(SsaLivenessAnalysis::kLivenessPassName, pass_info_printer); |
| 383 | liveness.Analyze(); |
| 384 | } |
| 385 | { |
| 386 | PassInfo pass_info(RegisterAllocator::kRegisterAllocatorPassName, pass_info_printer); |
| 387 | RegisterAllocator(graph->GetArena(), codegen, liveness).AllocateRegisters(); |
| 388 | } |
| 389 | } |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 390 | |
| 391 | CompiledMethod* OptimizingCompiler::CompileOptimized(HGraph* graph, |
| 392 | CodeGenerator* codegen, |
| 393 | CompilerDriver* compiler_driver, |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 394 | const DexFile& dex_file, |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 395 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 396 | PassInfoPrinter* pass_info_printer) const { |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 397 | StackHandleScopeCollection handles(Thread::Current()); |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 398 | RunOptimizations(graph, compiler_driver, compilation_stats_.get(), |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 399 | dex_file, dex_compilation_unit, pass_info_printer, &handles); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 400 | |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 401 | AllocateRegisters(graph, codegen, pass_info_printer); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 402 | |
| 403 | CodeVectorAllocator allocator; |
| 404 | codegen->CompileOptimized(&allocator); |
| 405 | |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 406 | DefaultSrcMap src_mapping_table; |
| 407 | if (compiler_driver->GetCompilerOptions().GetIncludeDebugSymbols()) { |
| 408 | codegen->BuildSourceMap(&src_mapping_table); |
| 409 | } |
| 410 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 411 | std::vector<uint8_t> stack_map; |
| 412 | codegen->BuildStackMaps(&stack_map); |
| 413 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 414 | MaybeRecordStat(MethodCompilationStat::kCompiledOptimized); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 415 | |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 416 | return CompiledMethod::SwapAllocCompiledMethod( |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 417 | compiler_driver, |
| 418 | codegen->GetInstructionSet(), |
| 419 | ArrayRef<const uint8_t>(allocator.GetMemory()), |
Roland Levillain | aa9b7c4 | 2015-02-17 15:40:09 +0000 | [diff] [blame] | 420 | // Follow Quick's behavior and set the frame size to zero if it is |
| 421 | // considered "empty" (see the definition of |
| 422 | // art::CodeGenerator::HasEmptyFrame). |
| 423 | codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 424 | codegen->GetCoreSpillMask(), |
Nicolas Geoffray | d97dc40 | 2015-01-22 13:50:01 +0000 | [diff] [blame] | 425 | codegen->GetFpuSpillMask(), |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 426 | &src_mapping_table, |
| 427 | ArrayRef<const uint8_t>(), // mapping_table. |
| 428 | ArrayRef<const uint8_t>(stack_map), |
| 429 | ArrayRef<const uint8_t>(), // native_gc_map. |
| 430 | ArrayRef<const uint8_t>(*codegen->GetAssembler()->cfi().data()), |
| 431 | ArrayRef<const LinkerPatch>()); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 432 | } |
| 433 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 434 | CompiledMethod* OptimizingCompiler::CompileBaseline( |
| 435 | CodeGenerator* codegen, |
| 436 | CompilerDriver* compiler_driver, |
| 437 | const DexCompilationUnit& dex_compilation_unit) const { |
| 438 | CodeVectorAllocator allocator; |
| 439 | codegen->CompileBaseline(&allocator); |
| 440 | |
| 441 | std::vector<uint8_t> mapping_table; |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 442 | codegen->BuildMappingTable(&mapping_table); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 443 | DefaultSrcMap src_mapping_table; |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 444 | if (compiler_driver->GetCompilerOptions().GetIncludeDebugSymbols()) { |
| 445 | codegen->BuildSourceMap(&src_mapping_table); |
| 446 | } |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 447 | std::vector<uint8_t> vmap_table; |
| 448 | codegen->BuildVMapTable(&vmap_table); |
| 449 | std::vector<uint8_t> gc_map; |
| 450 | codegen->BuildNativeGCMap(&gc_map, dex_compilation_unit); |
| 451 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 452 | MaybeRecordStat(MethodCompilationStat::kCompiledBaseline); |
Roland Levillain | aa9b7c4 | 2015-02-17 15:40:09 +0000 | [diff] [blame] | 453 | return CompiledMethod::SwapAllocCompiledMethod( |
| 454 | compiler_driver, |
| 455 | codegen->GetInstructionSet(), |
| 456 | ArrayRef<const uint8_t>(allocator.GetMemory()), |
| 457 | // Follow Quick's behavior and set the frame size to zero if it is |
| 458 | // considered "empty" (see the definition of |
| 459 | // art::CodeGenerator::HasEmptyFrame). |
| 460 | codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), |
| 461 | codegen->GetCoreSpillMask(), |
| 462 | codegen->GetFpuSpillMask(), |
| 463 | &src_mapping_table, |
| 464 | AlignVectorSize(mapping_table), |
| 465 | AlignVectorSize(vmap_table), |
| 466 | AlignVectorSize(gc_map), |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 467 | ArrayRef<const uint8_t>(*codegen->GetAssembler()->cfi().data()), |
| 468 | ArrayRef<const LinkerPatch>()); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 469 | } |
| 470 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 471 | CompiledMethod* OptimizingCompiler::TryCompile(const DexFile::CodeItem* code_item, |
| 472 | uint32_t access_flags, |
| 473 | InvokeType invoke_type, |
| 474 | uint16_t class_def_idx, |
| 475 | uint32_t method_idx, |
| 476 | jobject class_loader, |
| 477 | const DexFile& dex_file) const { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 478 | UNUSED(invoke_type); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 479 | std::string method_name = PrettyMethod(method_idx, dex_file); |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 480 | MaybeRecordStat(MethodCompilationStat::kAttemptCompilation); |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 481 | CompilerDriver* compiler_driver = GetCompilerDriver(); |
| 482 | InstructionSet instruction_set = compiler_driver->GetInstructionSet(); |
Nicolas Geoffray | 8d48673 | 2014-07-16 16:23:40 +0100 | [diff] [blame] | 483 | // Always use the thumb2 assembler: some runtime functionality (like implicit stack |
| 484 | // overflow checks) assume thumb2. |
| 485 | if (instruction_set == kArm) { |
| 486 | instruction_set = kThumb2; |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 487 | } |
| 488 | |
| 489 | // Do not attempt to compile on architectures we do not support. |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 490 | if (!IsInstructionSetSupported(instruction_set)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 491 | MaybeRecordStat(MethodCompilationStat::kNotCompiledUnsupportedIsa); |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 492 | return nullptr; |
| 493 | } |
| 494 | |
Nicolas Geoffray | b5f62b3 | 2014-10-30 10:58:41 +0000 | [diff] [blame] | 495 | if (Compiler::IsPathologicalCase(*code_item, method_idx, dex_file)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 496 | MaybeRecordStat(MethodCompilationStat::kNotCompiledPathological); |
Nicolas Geoffray | b5f62b3 | 2014-10-30 10:58:41 +0000 | [diff] [blame] | 497 | return nullptr; |
| 498 | } |
| 499 | |
Nicolas Geoffray | 36540cb | 2015-03-23 14:45:53 +0000 | [diff] [blame] | 500 | // Implementation of the space filter: do not compile a code item whose size in |
| 501 | // code units is bigger than 256. |
| 502 | static constexpr size_t kSpaceFilterOptimizingThreshold = 256; |
| 503 | const CompilerOptions& compiler_options = compiler_driver->GetCompilerOptions(); |
| 504 | if ((compiler_options.GetCompilerFilter() == CompilerOptions::kSpace) |
| 505 | && (code_item->insns_size_in_code_units_ > kSpaceFilterOptimizingThreshold)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 506 | MaybeRecordStat(MethodCompilationStat::kNotCompiledSpaceFilter); |
Nicolas Geoffray | 36540cb | 2015-03-23 14:45:53 +0000 | [diff] [blame] | 507 | return nullptr; |
| 508 | } |
| 509 | |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 510 | DexCompilationUnit dex_compilation_unit( |
| 511 | nullptr, class_loader, art::Runtime::Current()->GetClassLinker(), dex_file, code_item, |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 512 | class_def_idx, method_idx, access_flags, |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 513 | compiler_driver->GetVerifiedMethod(&dex_file, method_idx)); |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 514 | |
Calin Juravle | 3cd4fc8 | 2015-05-14 15:15:42 +0100 | [diff] [blame^] | 515 | bool requires_barrier = dex_compilation_unit.IsConstructor() |
| 516 | && compiler_driver->RequiresConstructorBarrier(Thread::Current(), |
| 517 | dex_compilation_unit.GetDexFile(), |
| 518 | dex_compilation_unit.GetClassDefIndex()); |
Nicolas Geoffray | 579ea7d | 2015-03-24 17:28:38 +0000 | [diff] [blame] | 519 | ArenaAllocator arena(Runtime::Current()->GetArenaPool()); |
Nicolas Geoffray | e0fe7ae | 2015-03-09 10:02:49 +0000 | [diff] [blame] | 520 | HGraph* graph = new (&arena) HGraph( |
Calin Juravle | 3cd4fc8 | 2015-05-14 15:15:42 +0100 | [diff] [blame^] | 521 | &arena, dex_file, method_idx, requires_barrier, |
| 522 | compiler_driver->GetCompilerOptions().GetDebuggable()); |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 523 | |
Nicolas Geoffray | 8ccc3f5 | 2014-03-19 10:34:11 +0000 | [diff] [blame] | 524 | // For testing purposes, we put a special marker on method names that should be compiled |
| 525 | // with this compiler. This makes sure we're not regressing. |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 526 | bool shouldCompile = method_name.find("$opt$") != std::string::npos; |
Nicolas Geoffray | a3d90fb | 2015-03-16 13:55:40 +0000 | [diff] [blame] | 527 | bool shouldOptimize = method_name.find("$opt$reg$") != std::string::npos && run_optimizations_; |
Nicolas Geoffray | 8ccc3f5 | 2014-03-19 10:34:11 +0000 | [diff] [blame] | 528 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 529 | std::unique_ptr<CodeGenerator> codegen( |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 530 | CodeGenerator::Create(graph, |
| 531 | instruction_set, |
| 532 | *compiler_driver->GetInstructionSetFeatures(), |
| 533 | compiler_driver->GetCompilerOptions())); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 534 | if (codegen.get() == nullptr) { |
Zheng Xu | 5667fdb | 2014-10-23 18:29:55 +0800 | [diff] [blame] | 535 | CHECK(!shouldCompile) << "Could not find code generator for optimizing compiler"; |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 536 | MaybeRecordStat(MethodCompilationStat::kNotCompiledNoCodegen); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 537 | return nullptr; |
| 538 | } |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 539 | codegen->GetAssembler()->cfi().SetEnabled( |
David Srbecky | 8dc7324 | 2015-04-12 11:40:39 +0100 | [diff] [blame] | 540 | compiler_driver->GetCompilerOptions().GetIncludeCFI()); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 541 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 542 | PassInfoPrinter pass_info_printer(graph, |
| 543 | method_name.c_str(), |
| 544 | *codegen.get(), |
| 545 | visualizer_output_.get(), |
| 546 | compiler_driver); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 547 | |
| 548 | HGraphBuilder builder(graph, |
| 549 | &dex_compilation_unit, |
| 550 | &dex_compilation_unit, |
| 551 | &dex_file, |
| 552 | compiler_driver, |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 553 | compilation_stats_.get()); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 554 | |
| 555 | VLOG(compiler) << "Building " << method_name; |
| 556 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 557 | { |
Andreas Gampe | 7c3952f | 2015-02-19 18:21:24 -0800 | [diff] [blame] | 558 | PassInfo pass_info(HGraphBuilder::kBuilderPassName, &pass_info_printer); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 559 | if (!builder.BuildGraph(*code_item)) { |
| 560 | CHECK(!shouldCompile) << "Could not build graph in optimizing compiler"; |
| 561 | return nullptr; |
| 562 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 563 | } |
Nicolas Geoffray | a7062e0 | 2014-05-22 12:50:17 +0100 | [diff] [blame] | 564 | |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 565 | bool can_optimize = CanOptimize(*code_item); |
| 566 | bool can_allocate_registers = RegisterAllocator::CanAllocateRegistersFor(*graph, instruction_set); |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 567 | |
| 568 | // `run_optimizations_` is set explicitly (either through a compiler filter |
| 569 | // or the debuggable flag). If it is set, we can run baseline. Otherwise, we fall back |
| 570 | // to Quick. |
| 571 | bool can_use_baseline = !run_optimizations_; |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 572 | if (run_optimizations_ && can_optimize && can_allocate_registers) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 573 | VLOG(compiler) << "Optimizing " << method_name; |
| 574 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 575 | { |
Andreas Gampe | 7c3952f | 2015-02-19 18:21:24 -0800 | [diff] [blame] | 576 | PassInfo pass_info(SsaBuilder::kSsaBuilderPassName, &pass_info_printer); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 577 | if (!graph->TryBuildingSsa()) { |
| 578 | // We could not transform the graph to SSA, bailout. |
| 579 | LOG(INFO) << "Skipping compilation of " << method_name << ": it contains a non natural loop"; |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 580 | MaybeRecordStat(MethodCompilationStat::kNotCompiledCannotBuildSSA); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 581 | return nullptr; |
| 582 | } |
Nicolas Geoffray | f537012 | 2014-12-02 11:51:19 +0000 | [diff] [blame] | 583 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 584 | |
| 585 | return CompileOptimized(graph, |
| 586 | codegen.get(), |
| 587 | compiler_driver, |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 588 | dex_file, |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 589 | dex_compilation_unit, |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 590 | &pass_info_printer); |
Nicolas Geoffray | 234d69d | 2015-03-09 10:28:50 +0000 | [diff] [blame] | 591 | } else if (shouldOptimize && can_allocate_registers) { |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 592 | LOG(FATAL) << "Could not allocate registers in optimizing compiler"; |
Zheng Xu | 5667fdb | 2014-10-23 18:29:55 +0800 | [diff] [blame] | 593 | UNREACHABLE(); |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 594 | } else if (can_use_baseline) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 595 | VLOG(compiler) << "Compile baseline " << method_name; |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 596 | |
| 597 | if (!run_optimizations_) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 598 | MaybeRecordStat(MethodCompilationStat::kNotOptimizedDisabled); |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 599 | } else if (!can_optimize) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 600 | MaybeRecordStat(MethodCompilationStat::kNotOptimizedTryCatch); |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 601 | } else if (!can_allocate_registers) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 602 | MaybeRecordStat(MethodCompilationStat::kNotOptimizedRegisterAllocator); |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 603 | } |
| 604 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 605 | return CompileBaseline(codegen.get(), compiler_driver, dex_compilation_unit); |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 606 | } else { |
| 607 | return nullptr; |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 608 | } |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 609 | } |
| 610 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 611 | CompiledMethod* OptimizingCompiler::Compile(const DexFile::CodeItem* code_item, |
| 612 | uint32_t access_flags, |
| 613 | InvokeType invoke_type, |
| 614 | uint16_t class_def_idx, |
| 615 | uint32_t method_idx, |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 616 | jobject jclass_loader, |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 617 | const DexFile& dex_file) const { |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 618 | CompilerDriver* compiler_driver = GetCompilerDriver(); |
| 619 | CompiledMethod* method = nullptr; |
| 620 | if (compiler_driver->IsMethodVerifiedWithoutFailures(method_idx, class_def_idx, dex_file)) { |
| 621 | method = TryCompile(code_item, access_flags, invoke_type, class_def_idx, |
| 622 | method_idx, jclass_loader, dex_file); |
| 623 | } else { |
| 624 | if (compiler_driver->GetCompilerOptions().VerifyAtRuntime()) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 625 | MaybeRecordStat(MethodCompilationStat::kNotCompiledVerifyAtRuntime); |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 626 | } else { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 627 | MaybeRecordStat(MethodCompilationStat::kNotCompiledClassNotVerified); |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 628 | } |
| 629 | } |
| 630 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 631 | if (method != nullptr) { |
| 632 | return method; |
| 633 | } |
Nicolas Geoffray | 12be74e | 2015-03-30 13:29:08 +0100 | [diff] [blame] | 634 | method = delegate_->Compile(code_item, access_flags, invoke_type, class_def_idx, method_idx, |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 635 | jclass_loader, dex_file); |
Nicolas Geoffray | 12be74e | 2015-03-30 13:29:08 +0100 | [diff] [blame] | 636 | |
| 637 | if (method != nullptr) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 638 | MaybeRecordStat(MethodCompilationStat::kCompiledQuick); |
Nicolas Geoffray | 12be74e | 2015-03-30 13:29:08 +0100 | [diff] [blame] | 639 | } |
| 640 | return method; |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 641 | } |
| 642 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 643 | Compiler* CreateOptimizingCompiler(CompilerDriver* driver) { |
| 644 | return new OptimizingCompiler(driver); |
| 645 | } |
| 646 | |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 647 | } // namespace art |