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 | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 22 | #include "art_method-inl.h" |
Mathieu Chartier | b666f48 | 2015-02-18 14:33:14 -0800 | [diff] [blame] | 23 | #include "base/arena_allocator.h" |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 24 | #include "base/dumpable.h" |
| 25 | #include "base/timing_logger.h" |
David Brazdil | 46e2a39 | 2015-03-16 17:31:52 +0000 | [diff] [blame] | 26 | #include "boolean_simplifier.h" |
Mingyao Yang | f384f88 | 2014-10-22 16:08:18 -0700 | [diff] [blame] | 27 | #include "bounds_check_elimination.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 28 | #include "builder.h" |
| 29 | #include "code_generator.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 30 | #include "compiled_method.h" |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 31 | #include "compiler.h" |
Roland Levillain | 75be283 | 2014-10-17 17:02:00 +0100 | [diff] [blame] | 32 | #include "constant_folding.h" |
| 33 | #include "dead_code_elimination.h" |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 34 | #include "dex/quick/dex_file_to_method_inliner_map.h" |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 35 | #include "dex/verified_method.h" |
| 36 | #include "dex/verification_results.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 37 | #include "driver/compiler_driver.h" |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 38 | #include "driver/compiler_driver-inl.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 39 | #include "driver/compiler_options.h" |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 40 | #include "driver/dex_compilation_unit.h" |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 41 | #include "elf_writer_quick.h" |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 42 | #include "graph_checker.h" |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 43 | #include "graph_visualizer.h" |
Nicolas Geoffray | d31cf3d | 2014-09-08 17:30:24 +0100 | [diff] [blame] | 44 | #include "gvn.h" |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 45 | #include "inliner.h" |
Nicolas Geoffray | 3c04974 | 2014-09-24 18:10:46 +0100 | [diff] [blame] | 46 | #include "instruction_simplifier.h" |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 47 | #include "intrinsics.h" |
Nicolas Geoffray | 82091da | 2015-01-26 10:02:45 +0000 | [diff] [blame] | 48 | #include "licm.h" |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 49 | #include "jni/quick/jni_compiler.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 50 | #include "nodes.h" |
Nicolas Geoffray | 26a25ef | 2014-09-30 13:54:09 +0100 | [diff] [blame] | 51 | #include "prepare_for_register_allocation.h" |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 52 | #include "reference_type_propagation.h" |
Nicolas Geoffray | a7062e0 | 2014-05-22 12:50:17 +0100 | [diff] [blame] | 53 | #include "register_allocator.h" |
Nicolas Geoffray | 827eedb | 2015-01-26 15:18:36 +0000 | [diff] [blame] | 54 | #include "side_effects_analysis.h" |
Nicolas Geoffray | 3159674 | 2014-11-24 15:28:45 +0000 | [diff] [blame] | 55 | #include "ssa_builder.h" |
Nicolas Geoffray | 7dc206a | 2014-07-11 09:49:49 +0100 | [diff] [blame] | 56 | #include "ssa_phi_elimination.h" |
Nicolas Geoffray | 804d093 | 2014-05-02 08:46:00 +0100 | [diff] [blame] | 57 | #include "ssa_liveness_analysis.h" |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 58 | #include "utils/assembler.h" |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 59 | |
| 60 | namespace art { |
| 61 | |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 62 | /** |
| 63 | * Used by the code generator, to allocate the code in a vector. |
| 64 | */ |
| 65 | class CodeVectorAllocator FINAL : public CodeAllocator { |
| 66 | public: |
Andreas Gampe | 7c3952f | 2015-02-19 18:21:24 -0800 | [diff] [blame] | 67 | CodeVectorAllocator() : size_(0) {} |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 68 | |
| 69 | virtual uint8_t* Allocate(size_t size) { |
| 70 | size_ = size; |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 71 | memory_.resize(size); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 72 | return &memory_[0]; |
| 73 | } |
| 74 | |
| 75 | size_t GetSize() const { return size_; } |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 76 | const std::vector<uint8_t>& GetMemory() const { return memory_; } |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 77 | |
| 78 | private: |
| 79 | std::vector<uint8_t> memory_; |
| 80 | size_t size_; |
| 81 | |
| 82 | DISALLOW_COPY_AND_ASSIGN(CodeVectorAllocator); |
| 83 | }; |
| 84 | |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 85 | /** |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 86 | * 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] | 87 | * be dumped. |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 88 | */ |
Andreas Gampe | 53fcd0f | 2015-07-22 12:10:13 -0700 | [diff] [blame^] | 89 | static constexpr const char kStringFilter[] = ""; |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 90 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 91 | class PassScope; |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 92 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 93 | class PassObserver : public ValueObject { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 94 | public: |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 95 | PassObserver(HGraph* graph, |
| 96 | const char* method_name, |
| 97 | CodeGenerator* codegen, |
| 98 | std::ostream* visualizer_output, |
| 99 | CompilerDriver* compiler_driver) |
| 100 | : graph_(graph), |
| 101 | method_name_(method_name), |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 102 | timing_logger_enabled_(compiler_driver->GetDumpPasses()), |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 103 | timing_logger_(method_name, true, true), |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 104 | disasm_info_(graph->GetArena()), |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 105 | visualizer_enabled_(!compiler_driver->GetDumpCfgFileName().empty()), |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 106 | visualizer_(visualizer_output, graph, *codegen), |
| 107 | graph_in_bad_state_(false) { |
Andreas Gampe | 53fcd0f | 2015-07-22 12:10:13 -0700 | [diff] [blame^] | 108 | if (timing_logger_enabled_ || visualizer_enabled_) { |
| 109 | if (!IsVerboseMethod(compiler_driver, method_name)) { |
| 110 | timing_logger_enabled_ = visualizer_enabled_ = false; |
| 111 | } |
| 112 | if (visualizer_enabled_) { |
| 113 | visualizer_.PrintHeader(method_name_); |
| 114 | codegen->SetDisassemblyInformation(&disasm_info_); |
| 115 | } |
David Brazdil | 62e074f | 2015-04-07 18:09:37 +0100 | [diff] [blame] | 116 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 117 | } |
| 118 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 119 | ~PassObserver() { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 120 | if (timing_logger_enabled_) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 121 | LOG(INFO) << "TIMINGS " << method_name_; |
| 122 | LOG(INFO) << Dumpable<TimingLogger>(timing_logger_); |
| 123 | } |
| 124 | } |
| 125 | |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 126 | void DumpDisassembly() const { |
| 127 | if (visualizer_enabled_) { |
| 128 | visualizer_.DumpGraphWithDisassembly(); |
| 129 | } |
| 130 | } |
| 131 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 132 | void SetGraphInBadState() { graph_in_bad_state_ = true; } |
| 133 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 134 | private: |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 135 | void StartPass(const char* pass_name) { |
| 136 | // Dump graph first, then start timer. |
| 137 | if (visualizer_enabled_) { |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 138 | visualizer_.DumpGraph(pass_name, /* is_after_pass */ false, graph_in_bad_state_); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 139 | } |
| 140 | if (timing_logger_enabled_) { |
| 141 | timing_logger_.StartTiming(pass_name); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | void EndPass(const char* pass_name) { |
| 146 | // Pause timer first, then dump graph. |
| 147 | if (timing_logger_enabled_) { |
| 148 | timing_logger_.EndTiming(); |
| 149 | } |
| 150 | if (visualizer_enabled_) { |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 151 | visualizer_.DumpGraph(pass_name, /* is_after_pass */ true, graph_in_bad_state_); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 152 | } |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 153 | |
| 154 | // Validate the HGraph if running in debug mode. |
| 155 | if (kIsDebugBuild) { |
| 156 | if (!graph_in_bad_state_) { |
| 157 | if (graph_->IsInSsaForm()) { |
| 158 | SSAChecker checker(graph_->GetArena(), graph_); |
| 159 | checker.Run(); |
| 160 | if (!checker.IsValid()) { |
| 161 | LOG(FATAL) << "Error after " << pass_name << ": " << Dumpable<SSAChecker>(checker); |
| 162 | } |
| 163 | } else { |
| 164 | GraphChecker checker(graph_->GetArena(), graph_); |
| 165 | checker.Run(); |
| 166 | if (!checker.IsValid()) { |
| 167 | LOG(FATAL) << "Error after " << pass_name << ": " << Dumpable<GraphChecker>(checker); |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | } |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 172 | } |
| 173 | |
Andreas Gampe | 53fcd0f | 2015-07-22 12:10:13 -0700 | [diff] [blame^] | 174 | static bool IsVerboseMethod(CompilerDriver* compiler_driver, const char* method_name) { |
| 175 | // Test an exact match to --verbose-methods. If verbose-methods is set, this overrides an |
| 176 | // empty kStringFilter matching all methods. |
| 177 | if (compiler_driver->GetCompilerOptions().HasVerboseMethods()) { |
| 178 | return compiler_driver->GetCompilerOptions().IsVerboseMethod(method_name); |
| 179 | } |
| 180 | |
| 181 | // Test the kStringFilter sub-string. constexpr helper variable to silence unreachable-code |
| 182 | // warning when the string is empty. |
| 183 | constexpr bool kStringFilterEmpty = arraysize(kStringFilter) <= 1; |
| 184 | if (kStringFilterEmpty || strstr(method_name, kStringFilter) != nullptr) { |
| 185 | return true; |
| 186 | } |
| 187 | |
| 188 | return false; |
| 189 | } |
| 190 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 191 | HGraph* const graph_; |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 192 | const char* method_name_; |
| 193 | |
| 194 | bool timing_logger_enabled_; |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 195 | TimingLogger timing_logger_; |
| 196 | |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 197 | DisassemblyInformation disasm_info_; |
| 198 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 199 | bool visualizer_enabled_; |
| 200 | HGraphVisualizer visualizer_; |
| 201 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 202 | // Flag to be set by the compiler if the pass failed and the graph is not |
| 203 | // expected to validate. |
| 204 | bool graph_in_bad_state_; |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 205 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 206 | friend PassScope; |
| 207 | |
| 208 | DISALLOW_COPY_AND_ASSIGN(PassObserver); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 209 | }; |
| 210 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 211 | class PassScope : public ValueObject { |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 212 | public: |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 213 | PassScope(const char *pass_name, PassObserver* pass_observer) |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 214 | : pass_name_(pass_name), |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 215 | pass_observer_(pass_observer) { |
| 216 | pass_observer_->StartPass(pass_name_); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 217 | } |
| 218 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 219 | ~PassScope() { |
| 220 | pass_observer_->EndPass(pass_name_); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | private: |
| 224 | const char* const pass_name_; |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 225 | PassObserver* const pass_observer_; |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 226 | }; |
| 227 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 228 | class OptimizingCompiler FINAL : public Compiler { |
| 229 | public: |
| 230 | explicit OptimizingCompiler(CompilerDriver* driver); |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 231 | ~OptimizingCompiler(); |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 232 | |
| 233 | bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file, CompilationUnit* cu) const |
| 234 | OVERRIDE; |
| 235 | |
| 236 | CompiledMethod* Compile(const DexFile::CodeItem* code_item, |
| 237 | uint32_t access_flags, |
| 238 | InvokeType invoke_type, |
| 239 | uint16_t class_def_idx, |
| 240 | uint32_t method_idx, |
| 241 | jobject class_loader, |
| 242 | const DexFile& dex_file) const OVERRIDE; |
| 243 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 244 | CompiledMethod* TryCompile(const DexFile::CodeItem* code_item, |
| 245 | uint32_t access_flags, |
| 246 | InvokeType invoke_type, |
| 247 | uint16_t class_def_idx, |
| 248 | uint32_t method_idx, |
| 249 | jobject class_loader, |
| 250 | const DexFile& dex_file) const; |
| 251 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 252 | CompiledMethod* JniCompile(uint32_t access_flags, |
| 253 | uint32_t method_idx, |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 254 | const DexFile& dex_file) const OVERRIDE { |
| 255 | return ArtQuickJniCompileMethod(GetCompilerDriver(), access_flags, method_idx, dex_file); |
| 256 | } |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 257 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 258 | uintptr_t GetEntryPointOf(ArtMethod* method) const OVERRIDE |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 259 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 260 | return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCodePtrSize( |
| 261 | InstructionSetPointerSize(GetCompilerDriver()->GetInstructionSet()))); |
| 262 | } |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 263 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 264 | void InitCompilationUnit(CompilationUnit& cu) const OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 265 | |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 266 | void Init() OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 267 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 268 | void UnInit() const OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 269 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 270 | void MaybeRecordStat(MethodCompilationStat compilation_stat) const { |
| 271 | if (compilation_stats_.get() != nullptr) { |
| 272 | compilation_stats_->RecordStat(compilation_stat); |
| 273 | } |
| 274 | } |
| 275 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 276 | private: |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 277 | // Whether we should run any optimization or register allocation. If false, will |
| 278 | // just run the code generation after the graph was built. |
| 279 | const bool run_optimizations_; |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 280 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 281 | // Optimize and compile `graph`. |
| 282 | CompiledMethod* CompileOptimized(HGraph* graph, |
| 283 | CodeGenerator* codegen, |
| 284 | CompilerDriver* driver, |
| 285 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 286 | PassObserver* pass_observer) const; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 287 | |
| 288 | // Just compile without doing optimizations. |
| 289 | CompiledMethod* CompileBaseline(CodeGenerator* codegen, |
| 290 | CompilerDriver* driver, |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 291 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 292 | PassObserver* pass_observer) const; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 293 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 294 | std::unique_ptr<OptimizingCompilerStats> compilation_stats_; |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 295 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 296 | std::unique_ptr<std::ostream> visualizer_output_; |
| 297 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 298 | // Delegate to Quick in case the optimizing compiler cannot compile a method. |
| 299 | std::unique_ptr<Compiler> delegate_; |
| 300 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 301 | DISALLOW_COPY_AND_ASSIGN(OptimizingCompiler); |
| 302 | }; |
| 303 | |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 304 | static const int kMaximumCompilationTimeBeforeWarning = 100; /* ms */ |
| 305 | |
| 306 | OptimizingCompiler::OptimizingCompiler(CompilerDriver* driver) |
| 307 | : Compiler(driver, kMaximumCompilationTimeBeforeWarning), |
| 308 | run_optimizations_( |
Nicolas Geoffray | a3d90fb | 2015-03-16 13:55:40 +0000 | [diff] [blame] | 309 | (driver->GetCompilerOptions().GetCompilerFilter() != CompilerOptions::kTime) |
| 310 | && !driver->GetCompilerOptions().GetDebuggable()), |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 311 | delegate_(Create(driver, Compiler::Kind::kQuick)) {} |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 312 | |
| 313 | void OptimizingCompiler::Init() { |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 314 | delegate_->Init(); |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 315 | // Enable C1visualizer output. Must be done in Init() because the compiler |
| 316 | // driver is not fully initialized when passed to the compiler's constructor. |
| 317 | CompilerDriver* driver = GetCompilerDriver(); |
David Brazdil | 866c031 | 2015-01-13 21:21:31 +0000 | [diff] [blame] | 318 | const std::string cfg_file_name = driver->GetDumpCfgFileName(); |
| 319 | if (!cfg_file_name.empty()) { |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 320 | CHECK_EQ(driver->GetThreadCount(), 1U) |
| 321 | << "Graph visualizer requires the compiler to run single-threaded. " |
| 322 | << "Invoke the compiler with '-j1'."; |
David Brazdil | 866c031 | 2015-01-13 21:21:31 +0000 | [diff] [blame] | 323 | visualizer_output_.reset(new std::ofstream(cfg_file_name)); |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 324 | } |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 325 | if (driver->GetDumpStats()) { |
| 326 | compilation_stats_.reset(new OptimizingCompilerStats()); |
| 327 | } |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 328 | } |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 329 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 330 | void OptimizingCompiler::UnInit() const { |
| 331 | delegate_->UnInit(); |
| 332 | } |
| 333 | |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 334 | OptimizingCompiler::~OptimizingCompiler() { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 335 | if (compilation_stats_.get() != nullptr) { |
| 336 | compilation_stats_->Log(); |
| 337 | } |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 338 | } |
| 339 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 340 | void OptimizingCompiler::InitCompilationUnit(CompilationUnit& cu) const { |
| 341 | delegate_->InitCompilationUnit(cu); |
| 342 | } |
| 343 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 344 | bool OptimizingCompiler::CanCompileMethod(uint32_t method_idx ATTRIBUTE_UNUSED, |
| 345 | const DexFile& dex_file ATTRIBUTE_UNUSED, |
| 346 | CompilationUnit* cu ATTRIBUTE_UNUSED) const { |
| 347 | return true; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 348 | } |
| 349 | |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 350 | static bool IsInstructionSetSupported(InstructionSet instruction_set) { |
| 351 | return instruction_set == kArm64 |
| 352 | || (instruction_set == kThumb2 && !kArm32QuickCodeUseSoftFloat) |
Alexey Frunze | 4dda337 | 2015-06-01 18:31:49 -0700 | [diff] [blame] | 353 | || instruction_set == kMips64 |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 354 | || instruction_set == kX86 |
| 355 | || instruction_set == kX86_64; |
| 356 | } |
| 357 | |
Nicolas Geoffray | de58ab2 | 2014-11-05 12:46:03 +0000 | [diff] [blame] | 358 | static bool CanOptimize(const DexFile::CodeItem& code_item) { |
| 359 | // TODO: We currently cannot optimize methods with try/catch. |
| 360 | return code_item.tries_size_ == 0; |
| 361 | } |
| 362 | |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 363 | static void RunOptimizations(HOptimization* optimizations[], |
| 364 | size_t length, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 365 | PassObserver* pass_observer) { |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 366 | for (size_t i = 0; i < length; ++i) { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 367 | PassScope scope(optimizations[i]->GetPassName(), pass_observer); |
| 368 | optimizations[i]->Run(); |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 369 | } |
| 370 | } |
| 371 | |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 372 | static void RunOptimizations(HGraph* graph, |
| 373 | CompilerDriver* driver, |
| 374 | OptimizingCompilerStats* stats, |
| 375 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 376 | PassObserver* pass_observer, |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 377 | StackHandleScopeCollection* handles) { |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 378 | ArenaAllocator* arena = graph->GetArena(); |
| 379 | HDeadCodeElimination* dce1 = new (arena) HDeadCodeElimination( |
| 380 | graph, stats, HDeadCodeElimination::kInitialDeadCodeEliminationPassName); |
| 381 | HDeadCodeElimination* dce2 = new (arena) HDeadCodeElimination( |
| 382 | graph, stats, HDeadCodeElimination::kFinalDeadCodeEliminationPassName); |
| 383 | HConstantFolding* fold1 = new (arena) HConstantFolding(graph); |
| 384 | InstructionSimplifier* simplify1 = new (arena) InstructionSimplifier(graph, stats); |
| 385 | HBooleanSimplifier* boolean_simplify = new (arena) HBooleanSimplifier(graph); |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 386 | |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 387 | HInliner* inliner = new (arena) HInliner( |
| 388 | graph, dex_compilation_unit, dex_compilation_unit, driver, handles, stats); |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 389 | |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 390 | HConstantFolding* fold2 = new (arena) HConstantFolding(graph, "constant_folding_after_inlining"); |
| 391 | SideEffectsAnalysis* side_effects = new (arena) SideEffectsAnalysis(graph); |
| 392 | GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects); |
| 393 | LICM* licm = new (arena) LICM(graph, *side_effects); |
| 394 | BoundsCheckElimination* bce = new (arena) BoundsCheckElimination(graph); |
| 395 | ReferenceTypePropagation* type_propagation = |
| 396 | new (arena) ReferenceTypePropagation(graph, handles); |
| 397 | InstructionSimplifier* simplify2 = new (arena) InstructionSimplifier( |
| 398 | graph, stats, "instruction_simplifier_after_types"); |
| 399 | InstructionSimplifier* simplify3 = new (arena) InstructionSimplifier( |
Nicolas Geoffray | b2bdfce | 2015-06-18 15:46:47 +0100 | [diff] [blame] | 400 | graph, stats, "instruction_simplifier_after_bce"); |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 401 | ReferenceTypePropagation* type_propagation2 = |
| 402 | new (arena) ReferenceTypePropagation(graph, handles); |
Nicolas Geoffray | b2bdfce | 2015-06-18 15:46:47 +0100 | [diff] [blame] | 403 | InstructionSimplifier* simplify4 = new (arena) InstructionSimplifier( |
| 404 | graph, stats, "instruction_simplifier_before_codegen"); |
Nicolas Geoffray | 5e6916c | 2014-11-18 16:53:35 +0000 | [diff] [blame] | 405 | |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 406 | IntrinsicsRecognizer* intrinsics = new (arena) IntrinsicsRecognizer(graph, driver); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 407 | |
Nicolas Geoffray | 3159674 | 2014-11-24 15:28:45 +0000 | [diff] [blame] | 408 | HOptimization* optimizations[] = { |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 409 | intrinsics, |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 410 | fold1, |
| 411 | simplify1, |
| 412 | type_propagation, |
Nicolas Geoffray | 18e6873 | 2015-06-17 23:09:05 +0100 | [diff] [blame] | 413 | dce1, |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 414 | simplify2, |
| 415 | inliner, |
Nicolas Geoffray | 454a481 | 2015-06-09 10:37:32 +0100 | [diff] [blame] | 416 | // Run another type propagation phase: inlining will open up more opprotunities |
| 417 | // to remove checkast/instanceof and null checks. |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 418 | type_propagation2, |
David Brazdil | 46e2a39 | 2015-03-16 17:31:52 +0000 | [diff] [blame] | 419 | // BooleanSimplifier depends on the InstructionSimplifier removing redundant |
| 420 | // suspend checks to recognize empty blocks. |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 421 | boolean_simplify, |
| 422 | fold2, |
| 423 | side_effects, |
| 424 | gvn, |
| 425 | licm, |
| 426 | bce, |
| 427 | simplify3, |
| 428 | dce2, |
Nicolas Geoffray | b2bdfce | 2015-06-18 15:46:47 +0100 | [diff] [blame] | 429 | // The codegen has a few assumptions that only the instruction simplifier can |
| 430 | // satisfy. For example, the code generator does not expect to see a |
| 431 | // HTypeConversion from a type to the same type. |
| 432 | simplify4, |
Nicolas Geoffray | 3159674 | 2014-11-24 15:28:45 +0000 | [diff] [blame] | 433 | }; |
Nicolas Geoffray | 5e6916c | 2014-11-18 16:53:35 +0000 | [diff] [blame] | 434 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 435 | RunOptimizations(optimizations, arraysize(optimizations), pass_observer); |
Nicolas Geoffray | 5e6916c | 2014-11-18 16:53:35 +0000 | [diff] [blame] | 436 | } |
| 437 | |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 438 | // The stack map we generate must be 4-byte aligned on ARM. Since existing |
| 439 | // maps are generated alongside these stack maps, we must also align them. |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 440 | static ArrayRef<const uint8_t> AlignVectorSize(std::vector<uint8_t>& vector) { |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 441 | size_t size = vector.size(); |
| 442 | size_t aligned_size = RoundUp(size, 4); |
| 443 | for (; size < aligned_size; ++size) { |
| 444 | vector.push_back(0); |
| 445 | } |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 446 | return ArrayRef<const uint8_t>(vector); |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 447 | } |
| 448 | |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 449 | static void AllocateRegisters(HGraph* graph, |
| 450 | CodeGenerator* codegen, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 451 | PassObserver* pass_observer) { |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 452 | PrepareForRegisterAllocation(graph).Run(); |
Nicolas Geoffray | 0d9f17d | 2015-04-15 14:17:44 +0100 | [diff] [blame] | 453 | SsaLivenessAnalysis liveness(graph, codegen); |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 454 | { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 455 | PassScope scope(SsaLivenessAnalysis::kLivenessPassName, pass_observer); |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 456 | liveness.Analyze(); |
| 457 | } |
| 458 | { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 459 | PassScope scope(RegisterAllocator::kRegisterAllocatorPassName, pass_observer); |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 460 | RegisterAllocator(graph->GetArena(), codegen, liveness).AllocateRegisters(); |
| 461 | } |
| 462 | } |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 463 | |
| 464 | CompiledMethod* OptimizingCompiler::CompileOptimized(HGraph* graph, |
| 465 | CodeGenerator* codegen, |
| 466 | CompilerDriver* compiler_driver, |
| 467 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 468 | PassObserver* pass_observer) const { |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 469 | StackHandleScopeCollection handles(Thread::Current()); |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 470 | RunOptimizations(graph, compiler_driver, compilation_stats_.get(), |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 471 | dex_compilation_unit, pass_observer, &handles); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 472 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 473 | AllocateRegisters(graph, codegen, pass_observer); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 474 | |
| 475 | CodeVectorAllocator allocator; |
| 476 | codegen->CompileOptimized(&allocator); |
| 477 | |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 478 | DefaultSrcMap src_mapping_table; |
David Srbecky | 8363c77 | 2015-05-28 16:12:43 +0100 | [diff] [blame] | 479 | if (compiler_driver->GetCompilerOptions().GetGenerateDebugInfo()) { |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 480 | codegen->BuildSourceMap(&src_mapping_table); |
| 481 | } |
| 482 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 483 | std::vector<uint8_t> stack_map; |
| 484 | codegen->BuildStackMaps(&stack_map); |
| 485 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 486 | MaybeRecordStat(MethodCompilationStat::kCompiledOptimized); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 487 | |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 488 | CompiledMethod* compiled_method = CompiledMethod::SwapAllocCompiledMethod( |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 489 | compiler_driver, |
| 490 | codegen->GetInstructionSet(), |
| 491 | ArrayRef<const uint8_t>(allocator.GetMemory()), |
Roland Levillain | aa9b7c4 | 2015-02-17 15:40:09 +0000 | [diff] [blame] | 492 | // Follow Quick's behavior and set the frame size to zero if it is |
| 493 | // considered "empty" (see the definition of |
| 494 | // art::CodeGenerator::HasEmptyFrame). |
| 495 | codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 496 | codegen->GetCoreSpillMask(), |
Nicolas Geoffray | d97dc40 | 2015-01-22 13:50:01 +0000 | [diff] [blame] | 497 | codegen->GetFpuSpillMask(), |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 498 | &src_mapping_table, |
| 499 | ArrayRef<const uint8_t>(), // mapping_table. |
| 500 | ArrayRef<const uint8_t>(stack_map), |
| 501 | ArrayRef<const uint8_t>(), // native_gc_map. |
| 502 | ArrayRef<const uint8_t>(*codegen->GetAssembler()->cfi().data()), |
| 503 | ArrayRef<const LinkerPatch>()); |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 504 | pass_observer->DumpDisassembly(); |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 505 | return compiled_method; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 506 | } |
| 507 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 508 | CompiledMethod* OptimizingCompiler::CompileBaseline( |
| 509 | CodeGenerator* codegen, |
| 510 | CompilerDriver* compiler_driver, |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 511 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 512 | PassObserver* pass_observer) const { |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 513 | CodeVectorAllocator allocator; |
| 514 | codegen->CompileBaseline(&allocator); |
| 515 | |
| 516 | std::vector<uint8_t> mapping_table; |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 517 | codegen->BuildMappingTable(&mapping_table); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 518 | DefaultSrcMap src_mapping_table; |
David Srbecky | 8363c77 | 2015-05-28 16:12:43 +0100 | [diff] [blame] | 519 | if (compiler_driver->GetCompilerOptions().GetGenerateDebugInfo()) { |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 520 | codegen->BuildSourceMap(&src_mapping_table); |
| 521 | } |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 522 | std::vector<uint8_t> vmap_table; |
| 523 | codegen->BuildVMapTable(&vmap_table); |
| 524 | std::vector<uint8_t> gc_map; |
| 525 | codegen->BuildNativeGCMap(&gc_map, dex_compilation_unit); |
| 526 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 527 | MaybeRecordStat(MethodCompilationStat::kCompiledBaseline); |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 528 | CompiledMethod* compiled_method = CompiledMethod::SwapAllocCompiledMethod( |
Roland Levillain | aa9b7c4 | 2015-02-17 15:40:09 +0000 | [diff] [blame] | 529 | compiler_driver, |
| 530 | codegen->GetInstructionSet(), |
| 531 | ArrayRef<const uint8_t>(allocator.GetMemory()), |
| 532 | // Follow Quick's behavior and set the frame size to zero if it is |
| 533 | // considered "empty" (see the definition of |
| 534 | // art::CodeGenerator::HasEmptyFrame). |
| 535 | codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), |
| 536 | codegen->GetCoreSpillMask(), |
| 537 | codegen->GetFpuSpillMask(), |
| 538 | &src_mapping_table, |
| 539 | AlignVectorSize(mapping_table), |
| 540 | AlignVectorSize(vmap_table), |
| 541 | AlignVectorSize(gc_map), |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 542 | ArrayRef<const uint8_t>(*codegen->GetAssembler()->cfi().data()), |
| 543 | ArrayRef<const LinkerPatch>()); |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 544 | pass_observer->DumpDisassembly(); |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 545 | return compiled_method; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 546 | } |
| 547 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 548 | CompiledMethod* OptimizingCompiler::TryCompile(const DexFile::CodeItem* code_item, |
| 549 | uint32_t access_flags, |
| 550 | InvokeType invoke_type, |
| 551 | uint16_t class_def_idx, |
| 552 | uint32_t method_idx, |
| 553 | jobject class_loader, |
| 554 | const DexFile& dex_file) const { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 555 | UNUSED(invoke_type); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 556 | std::string method_name = PrettyMethod(method_idx, dex_file); |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 557 | MaybeRecordStat(MethodCompilationStat::kAttemptCompilation); |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 558 | CompilerDriver* compiler_driver = GetCompilerDriver(); |
| 559 | InstructionSet instruction_set = compiler_driver->GetInstructionSet(); |
Nicolas Geoffray | 8d48673 | 2014-07-16 16:23:40 +0100 | [diff] [blame] | 560 | // Always use the thumb2 assembler: some runtime functionality (like implicit stack |
| 561 | // overflow checks) assume thumb2. |
| 562 | if (instruction_set == kArm) { |
| 563 | instruction_set = kThumb2; |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | // Do not attempt to compile on architectures we do not support. |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 567 | if (!IsInstructionSetSupported(instruction_set)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 568 | MaybeRecordStat(MethodCompilationStat::kNotCompiledUnsupportedIsa); |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 569 | return nullptr; |
| 570 | } |
| 571 | |
Nicolas Geoffray | b5f62b3 | 2014-10-30 10:58:41 +0000 | [diff] [blame] | 572 | if (Compiler::IsPathologicalCase(*code_item, method_idx, dex_file)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 573 | MaybeRecordStat(MethodCompilationStat::kNotCompiledPathological); |
Nicolas Geoffray | b5f62b3 | 2014-10-30 10:58:41 +0000 | [diff] [blame] | 574 | return nullptr; |
| 575 | } |
| 576 | |
Nicolas Geoffray | 36540cb | 2015-03-23 14:45:53 +0000 | [diff] [blame] | 577 | // Implementation of the space filter: do not compile a code item whose size in |
Nicolas Geoffray | 432bf3d | 2015-07-17 11:11:09 +0100 | [diff] [blame] | 578 | // code units is bigger than 128. |
| 579 | static constexpr size_t kSpaceFilterOptimizingThreshold = 128; |
Nicolas Geoffray | 36540cb | 2015-03-23 14:45:53 +0000 | [diff] [blame] | 580 | const CompilerOptions& compiler_options = compiler_driver->GetCompilerOptions(); |
| 581 | if ((compiler_options.GetCompilerFilter() == CompilerOptions::kSpace) |
| 582 | && (code_item->insns_size_in_code_units_ > kSpaceFilterOptimizingThreshold)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 583 | MaybeRecordStat(MethodCompilationStat::kNotCompiledSpaceFilter); |
Nicolas Geoffray | 36540cb | 2015-03-23 14:45:53 +0000 | [diff] [blame] | 584 | return nullptr; |
| 585 | } |
| 586 | |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 587 | DexCompilationUnit dex_compilation_unit( |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 588 | nullptr, class_loader, Runtime::Current()->GetClassLinker(), dex_file, code_item, |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 589 | class_def_idx, method_idx, access_flags, |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 590 | compiler_driver->GetVerifiedMethod(&dex_file, method_idx)); |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 591 | |
Calin Juravle | 3cd4fc8 | 2015-05-14 15:15:42 +0100 | [diff] [blame] | 592 | bool requires_barrier = dex_compilation_unit.IsConstructor() |
| 593 | && compiler_driver->RequiresConstructorBarrier(Thread::Current(), |
| 594 | dex_compilation_unit.GetDexFile(), |
| 595 | dex_compilation_unit.GetClassDefIndex()); |
Nicolas Geoffray | 579ea7d | 2015-03-24 17:28:38 +0000 | [diff] [blame] | 596 | ArenaAllocator arena(Runtime::Current()->GetArenaPool()); |
Nicolas Geoffray | e0fe7ae | 2015-03-09 10:02:49 +0000 | [diff] [blame] | 597 | HGraph* graph = new (&arena) HGraph( |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 598 | &arena, dex_file, method_idx, requires_barrier, compiler_driver->GetInstructionSet(), |
| 599 | kInvalidInvokeType, compiler_driver->GetCompilerOptions().GetDebuggable()); |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 600 | |
Nicolas Geoffray | 8ccc3f5 | 2014-03-19 10:34:11 +0000 | [diff] [blame] | 601 | // For testing purposes, we put a special marker on method names that should be compiled |
| 602 | // with this compiler. This makes sure we're not regressing. |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 603 | bool shouldCompile = method_name.find("$opt$") != std::string::npos; |
Nicolas Geoffray | a3d90fb | 2015-03-16 13:55:40 +0000 | [diff] [blame] | 604 | bool shouldOptimize = method_name.find("$opt$reg$") != std::string::npos && run_optimizations_; |
Nicolas Geoffray | 8ccc3f5 | 2014-03-19 10:34:11 +0000 | [diff] [blame] | 605 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 606 | std::unique_ptr<CodeGenerator> codegen( |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 607 | CodeGenerator::Create(graph, |
| 608 | instruction_set, |
| 609 | *compiler_driver->GetInstructionSetFeatures(), |
| 610 | compiler_driver->GetCompilerOptions())); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 611 | if (codegen.get() == nullptr) { |
Zheng Xu | 5667fdb | 2014-10-23 18:29:55 +0800 | [diff] [blame] | 612 | CHECK(!shouldCompile) << "Could not find code generator for optimizing compiler"; |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 613 | MaybeRecordStat(MethodCompilationStat::kNotCompiledNoCodegen); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 614 | return nullptr; |
| 615 | } |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 616 | codegen->GetAssembler()->cfi().SetEnabled( |
David Srbecky | 8363c77 | 2015-05-28 16:12:43 +0100 | [diff] [blame] | 617 | compiler_driver->GetCompilerOptions().GetGenerateDebugInfo()); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 618 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 619 | PassObserver pass_observer(graph, |
| 620 | method_name.c_str(), |
| 621 | codegen.get(), |
| 622 | visualizer_output_.get(), |
| 623 | compiler_driver); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 624 | |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 625 | const uint8_t* interpreter_metadata = nullptr; |
| 626 | { |
| 627 | ScopedObjectAccess soa(Thread::Current()); |
| 628 | StackHandleScope<4> hs(soa.Self()); |
| 629 | ClassLinker* class_linker = dex_compilation_unit.GetClassLinker(); |
| 630 | Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); |
| 631 | Handle<mirror::ClassLoader> loader(hs.NewHandle( |
| 632 | soa.Decode<mirror::ClassLoader*>(class_loader))); |
| 633 | ArtMethod* art_method = compiler_driver->ResolveMethod( |
| 634 | soa, dex_cache, loader, &dex_compilation_unit, method_idx, invoke_type); |
| 635 | // We may not get a method, for example if its class is erroneous. |
| 636 | // TODO: Clean this up, the compiler driver should just pass the ArtMethod to compile. |
| 637 | if (art_method != nullptr) { |
| 638 | interpreter_metadata = art_method->GetQuickenedInfo(); |
| 639 | } |
| 640 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 641 | HGraphBuilder builder(graph, |
| 642 | &dex_compilation_unit, |
| 643 | &dex_compilation_unit, |
| 644 | &dex_file, |
| 645 | compiler_driver, |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 646 | compilation_stats_.get(), |
| 647 | interpreter_metadata); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 648 | |
| 649 | VLOG(compiler) << "Building " << method_name; |
| 650 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 651 | { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 652 | PassScope scope(HGraphBuilder::kBuilderPassName, &pass_observer); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 653 | if (!builder.BuildGraph(*code_item)) { |
Nicolas Geoffray | 335005e | 2015-06-25 10:01:47 +0100 | [diff] [blame] | 654 | DCHECK(!(IsCompilingWithCoreImage() && shouldCompile)) |
| 655 | << "Could not build graph in optimizing compiler"; |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 656 | pass_observer.SetGraphInBadState(); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 657 | return nullptr; |
| 658 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 659 | } |
Nicolas Geoffray | a7062e0 | 2014-05-22 12:50:17 +0100 | [diff] [blame] | 660 | |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 661 | bool can_optimize = CanOptimize(*code_item); |
| 662 | bool can_allocate_registers = RegisterAllocator::CanAllocateRegistersFor(*graph, instruction_set); |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 663 | |
| 664 | // `run_optimizations_` is set explicitly (either through a compiler filter |
| 665 | // or the debuggable flag). If it is set, we can run baseline. Otherwise, we fall back |
| 666 | // to Quick. |
Nicolas Geoffray | 2e7cd75 | 2015-07-10 11:38:52 +0100 | [diff] [blame] | 667 | bool can_use_baseline = !run_optimizations_ && builder.CanUseBaselineForStringInit(); |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 668 | if (run_optimizations_ && can_allocate_registers) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 669 | VLOG(compiler) << "Optimizing " << method_name; |
| 670 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 671 | { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 672 | PassScope scope(SsaBuilder::kSsaBuilderPassName, &pass_observer); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 673 | if (!graph->TryBuildingSsa()) { |
| 674 | // We could not transform the graph to SSA, bailout. |
| 675 | 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] | 676 | MaybeRecordStat(MethodCompilationStat::kNotCompiledCannotBuildSSA); |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 677 | pass_observer.SetGraphInBadState(); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 678 | return nullptr; |
| 679 | } |
Nicolas Geoffray | f537012 | 2014-12-02 11:51:19 +0000 | [diff] [blame] | 680 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 681 | |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 682 | if (can_optimize) { |
| 683 | return CompileOptimized(graph, |
| 684 | codegen.get(), |
| 685 | compiler_driver, |
| 686 | dex_compilation_unit, |
| 687 | &pass_observer); |
| 688 | } |
| 689 | } |
| 690 | |
| 691 | if (shouldOptimize && can_allocate_registers) { |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 692 | LOG(FATAL) << "Could not allocate registers in optimizing compiler"; |
Zheng Xu | 5667fdb | 2014-10-23 18:29:55 +0800 | [diff] [blame] | 693 | UNREACHABLE(); |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 694 | } else if (can_use_baseline) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 695 | VLOG(compiler) << "Compile baseline " << method_name; |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 696 | |
| 697 | if (!run_optimizations_) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 698 | MaybeRecordStat(MethodCompilationStat::kNotOptimizedDisabled); |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 699 | } else if (!can_optimize) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 700 | MaybeRecordStat(MethodCompilationStat::kNotOptimizedTryCatch); |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 701 | } else if (!can_allocate_registers) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 702 | MaybeRecordStat(MethodCompilationStat::kNotOptimizedRegisterAllocator); |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 703 | } |
| 704 | |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 705 | return CompileBaseline(codegen.get(), |
| 706 | compiler_driver, |
| 707 | dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 708 | &pass_observer); |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 709 | } else { |
| 710 | return nullptr; |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 711 | } |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 712 | } |
| 713 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 714 | CompiledMethod* OptimizingCompiler::Compile(const DexFile::CodeItem* code_item, |
| 715 | uint32_t access_flags, |
| 716 | InvokeType invoke_type, |
| 717 | uint16_t class_def_idx, |
| 718 | uint32_t method_idx, |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 719 | jobject jclass_loader, |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 720 | const DexFile& dex_file) const { |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 721 | CompilerDriver* compiler_driver = GetCompilerDriver(); |
| 722 | CompiledMethod* method = nullptr; |
Nicolas Geoffray | 4824c27 | 2015-06-24 15:53:03 +0100 | [diff] [blame] | 723 | if (compiler_driver->IsMethodVerifiedWithoutFailures(method_idx, class_def_idx, dex_file) && |
| 724 | !compiler_driver->GetVerifiedMethod(&dex_file, method_idx)->HasRuntimeThrow()) { |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 725 | method = TryCompile(code_item, access_flags, invoke_type, class_def_idx, |
| 726 | method_idx, jclass_loader, dex_file); |
| 727 | } else { |
| 728 | if (compiler_driver->GetCompilerOptions().VerifyAtRuntime()) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 729 | MaybeRecordStat(MethodCompilationStat::kNotCompiledVerifyAtRuntime); |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 730 | } else { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 731 | MaybeRecordStat(MethodCompilationStat::kNotCompiledClassNotVerified); |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 732 | } |
| 733 | } |
| 734 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 735 | if (method != nullptr) { |
| 736 | return method; |
| 737 | } |
Nicolas Geoffray | 12be74e | 2015-03-30 13:29:08 +0100 | [diff] [blame] | 738 | 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] | 739 | jclass_loader, dex_file); |
Nicolas Geoffray | 12be74e | 2015-03-30 13:29:08 +0100 | [diff] [blame] | 740 | |
| 741 | if (method != nullptr) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 742 | MaybeRecordStat(MethodCompilationStat::kCompiledQuick); |
Nicolas Geoffray | 12be74e | 2015-03-30 13:29:08 +0100 | [diff] [blame] | 743 | } |
| 744 | return method; |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 745 | } |
| 746 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 747 | Compiler* CreateOptimizingCompiler(CompilerDriver* driver) { |
| 748 | return new OptimizingCompiler(driver); |
| 749 | } |
| 750 | |
Nicolas Geoffray | 335005e | 2015-06-25 10:01:47 +0100 | [diff] [blame] | 751 | bool IsCompilingWithCoreImage() { |
| 752 | const std::string& image = Runtime::Current()->GetImageLocation(); |
| 753 | return EndsWith(image, "core.art") || EndsWith(image, "core-optimizing.art"); |
| 754 | } |
| 755 | |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 756 | } // namespace art |