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 | |
Alexandre Rames | 44b9cf9 | 2015-08-19 15:39:06 +0100 | [diff] [blame] | 22 | #ifdef ART_ENABLE_CODEGEN_arm64 |
| 23 | #include "instruction_simplifier_arm64.h" |
| 24 | #endif |
| 25 | |
Mark Mendell | 0616ae0 | 2015-04-17 12:49:27 -0400 | [diff] [blame] | 26 | #ifdef ART_ENABLE_CODEGEN_x86 |
| 27 | #include "constant_area_fixups_x86.h" |
| 28 | #endif |
| 29 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 30 | #include "art_method-inl.h" |
Mathieu Chartier | b666f48 | 2015-02-18 14:33:14 -0800 | [diff] [blame] | 31 | #include "base/arena_allocator.h" |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 32 | #include "base/arena_containers.h" |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 33 | #include "base/dumpable.h" |
Vladimir Marko | c90d7c7 | 2015-10-06 17:30:45 +0000 | [diff] [blame] | 34 | #include "base/macros.h" |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 35 | #include "base/timing_logger.h" |
David Brazdil | 46e2a39 | 2015-03-16 17:31:52 +0000 | [diff] [blame] | 36 | #include "boolean_simplifier.h" |
Mingyao Yang | f384f88 | 2014-10-22 16:08:18 -0700 | [diff] [blame] | 37 | #include "bounds_check_elimination.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 38 | #include "builder.h" |
| 39 | #include "code_generator.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 40 | #include "compiled_method.h" |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 41 | #include "compiler.h" |
Roland Levillain | 75be283 | 2014-10-17 17:02:00 +0100 | [diff] [blame] | 42 | #include "constant_folding.h" |
| 43 | #include "dead_code_elimination.h" |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 44 | #include "dex/quick/dex_file_to_method_inliner_map.h" |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 45 | #include "dex/verified_method.h" |
| 46 | #include "dex/verification_results.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 47 | #include "driver/compiler_driver.h" |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 48 | #include "driver/compiler_driver-inl.h" |
Vladimir Marko | 20f8559 | 2015-03-19 10:07:02 +0000 | [diff] [blame] | 49 | #include "driver/compiler_options.h" |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 50 | #include "driver/dex_compilation_unit.h" |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 51 | #include "elf_writer_quick.h" |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 52 | #include "graph_checker.h" |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 53 | #include "graph_visualizer.h" |
Nicolas Geoffray | d31cf3d | 2014-09-08 17:30:24 +0100 | [diff] [blame] | 54 | #include "gvn.h" |
Aart Bik | 22af3be | 2015-09-10 12:50:58 -0700 | [diff] [blame] | 55 | #include "induction_var_analysis.h" |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 56 | #include "inliner.h" |
Nicolas Geoffray | 3c04974 | 2014-09-24 18:10:46 +0100 | [diff] [blame] | 57 | #include "instruction_simplifier.h" |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 58 | #include "intrinsics.h" |
Nicolas Geoffray | 82091da | 2015-01-26 10:02:45 +0000 | [diff] [blame] | 59 | #include "licm.h" |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 60 | #include "jni/quick/jni_compiler.h" |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 61 | #include "nodes.h" |
Nicolas Geoffray | 26a25ef | 2014-09-30 13:54:09 +0100 | [diff] [blame] | 62 | #include "prepare_for_register_allocation.h" |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 63 | #include "reference_type_propagation.h" |
Nicolas Geoffray | a7062e0 | 2014-05-22 12:50:17 +0100 | [diff] [blame] | 64 | #include "register_allocator.h" |
Nicolas Geoffray | 827eedb | 2015-01-26 15:18:36 +0000 | [diff] [blame] | 65 | #include "side_effects_analysis.h" |
Nicolas Geoffray | 3159674 | 2014-11-24 15:28:45 +0000 | [diff] [blame] | 66 | #include "ssa_builder.h" |
Nicolas Geoffray | 7dc206a | 2014-07-11 09:49:49 +0100 | [diff] [blame] | 67 | #include "ssa_phi_elimination.h" |
Nicolas Geoffray | 804d093 | 2014-05-02 08:46:00 +0100 | [diff] [blame] | 68 | #include "ssa_liveness_analysis.h" |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 69 | #include "utils/assembler.h" |
Calin Juravle | 175dc73 | 2015-08-25 15:42:32 +0100 | [diff] [blame] | 70 | #include "verifier/method_verifier.h" |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 71 | |
| 72 | namespace art { |
| 73 | |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 74 | /** |
| 75 | * Used by the code generator, to allocate the code in a vector. |
| 76 | */ |
| 77 | class CodeVectorAllocator FINAL : public CodeAllocator { |
| 78 | public: |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 79 | explicit CodeVectorAllocator(ArenaAllocator* arena) |
| 80 | : memory_(arena->Adapter(kArenaAllocCodeBuffer)), |
| 81 | size_(0) {} |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 82 | |
| 83 | virtual uint8_t* Allocate(size_t size) { |
| 84 | size_ = size; |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 85 | memory_.resize(size); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 86 | return &memory_[0]; |
| 87 | } |
| 88 | |
| 89 | size_t GetSize() const { return size_; } |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 90 | const ArenaVector<uint8_t>& GetMemory() const { return memory_; } |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 91 | |
| 92 | private: |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 93 | ArenaVector<uint8_t> memory_; |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 94 | size_t size_; |
| 95 | |
| 96 | DISALLOW_COPY_AND_ASSIGN(CodeVectorAllocator); |
| 97 | }; |
| 98 | |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 99 | /** |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 100 | * 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] | 101 | * be dumped. |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 102 | */ |
Andreas Gampe | 53fcd0f | 2015-07-22 12:10:13 -0700 | [diff] [blame] | 103 | static constexpr const char kStringFilter[] = ""; |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 104 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 105 | class PassScope; |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 106 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 107 | class PassObserver : public ValueObject { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 108 | public: |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 109 | PassObserver(HGraph* graph, |
| 110 | const char* method_name, |
| 111 | CodeGenerator* codegen, |
| 112 | std::ostream* visualizer_output, |
| 113 | CompilerDriver* compiler_driver) |
| 114 | : graph_(graph), |
| 115 | method_name_(method_name), |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 116 | timing_logger_enabled_(compiler_driver->GetDumpPasses()), |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 117 | timing_logger_(method_name, true, true), |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 118 | disasm_info_(graph->GetArena()), |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 119 | visualizer_enabled_(!compiler_driver->GetDumpCfgFileName().empty()), |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 120 | visualizer_(visualizer_output, graph, *codegen), |
| 121 | graph_in_bad_state_(false) { |
Andreas Gampe | 53fcd0f | 2015-07-22 12:10:13 -0700 | [diff] [blame] | 122 | if (timing_logger_enabled_ || visualizer_enabled_) { |
| 123 | if (!IsVerboseMethod(compiler_driver, method_name)) { |
| 124 | timing_logger_enabled_ = visualizer_enabled_ = false; |
| 125 | } |
| 126 | if (visualizer_enabled_) { |
| 127 | visualizer_.PrintHeader(method_name_); |
| 128 | codegen->SetDisassemblyInformation(&disasm_info_); |
| 129 | } |
David Brazdil | 62e074f | 2015-04-07 18:09:37 +0100 | [diff] [blame] | 130 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 131 | } |
| 132 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 133 | ~PassObserver() { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 134 | if (timing_logger_enabled_) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 135 | LOG(INFO) << "TIMINGS " << method_name_; |
| 136 | LOG(INFO) << Dumpable<TimingLogger>(timing_logger_); |
| 137 | } |
| 138 | } |
| 139 | |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 140 | void DumpDisassembly() const { |
| 141 | if (visualizer_enabled_) { |
| 142 | visualizer_.DumpGraphWithDisassembly(); |
| 143 | } |
| 144 | } |
| 145 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 146 | void SetGraphInBadState() { graph_in_bad_state_ = true; } |
| 147 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 148 | private: |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 149 | void StartPass(const char* pass_name) { |
| 150 | // Dump graph first, then start timer. |
| 151 | if (visualizer_enabled_) { |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 152 | visualizer_.DumpGraph(pass_name, /* is_after_pass */ false, graph_in_bad_state_); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 153 | } |
| 154 | if (timing_logger_enabled_) { |
| 155 | timing_logger_.StartTiming(pass_name); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | void EndPass(const char* pass_name) { |
| 160 | // Pause timer first, then dump graph. |
| 161 | if (timing_logger_enabled_) { |
| 162 | timing_logger_.EndTiming(); |
| 163 | } |
| 164 | if (visualizer_enabled_) { |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 165 | visualizer_.DumpGraph(pass_name, /* is_after_pass */ true, graph_in_bad_state_); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 166 | } |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 167 | |
| 168 | // Validate the HGraph if running in debug mode. |
| 169 | if (kIsDebugBuild) { |
| 170 | if (!graph_in_bad_state_) { |
| 171 | if (graph_->IsInSsaForm()) { |
| 172 | SSAChecker checker(graph_->GetArena(), graph_); |
| 173 | checker.Run(); |
| 174 | if (!checker.IsValid()) { |
| 175 | LOG(FATAL) << "Error after " << pass_name << ": " << Dumpable<SSAChecker>(checker); |
| 176 | } |
| 177 | } else { |
| 178 | GraphChecker checker(graph_->GetArena(), graph_); |
| 179 | checker.Run(); |
| 180 | if (!checker.IsValid()) { |
| 181 | LOG(FATAL) << "Error after " << pass_name << ": " << Dumpable<GraphChecker>(checker); |
| 182 | } |
| 183 | } |
| 184 | } |
| 185 | } |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 186 | } |
| 187 | |
Andreas Gampe | 53fcd0f | 2015-07-22 12:10:13 -0700 | [diff] [blame] | 188 | static bool IsVerboseMethod(CompilerDriver* compiler_driver, const char* method_name) { |
| 189 | // Test an exact match to --verbose-methods. If verbose-methods is set, this overrides an |
| 190 | // empty kStringFilter matching all methods. |
| 191 | if (compiler_driver->GetCompilerOptions().HasVerboseMethods()) { |
| 192 | return compiler_driver->GetCompilerOptions().IsVerboseMethod(method_name); |
| 193 | } |
| 194 | |
| 195 | // Test the kStringFilter sub-string. constexpr helper variable to silence unreachable-code |
| 196 | // warning when the string is empty. |
| 197 | constexpr bool kStringFilterEmpty = arraysize(kStringFilter) <= 1; |
| 198 | if (kStringFilterEmpty || strstr(method_name, kStringFilter) != nullptr) { |
| 199 | return true; |
| 200 | } |
| 201 | |
| 202 | return false; |
| 203 | } |
| 204 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 205 | HGraph* const graph_; |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 206 | const char* method_name_; |
| 207 | |
| 208 | bool timing_logger_enabled_; |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 209 | TimingLogger timing_logger_; |
| 210 | |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 211 | DisassemblyInformation disasm_info_; |
| 212 | |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 213 | bool visualizer_enabled_; |
| 214 | HGraphVisualizer visualizer_; |
| 215 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 216 | // Flag to be set by the compiler if the pass failed and the graph is not |
| 217 | // expected to validate. |
| 218 | bool graph_in_bad_state_; |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 219 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 220 | friend PassScope; |
| 221 | |
| 222 | DISALLOW_COPY_AND_ASSIGN(PassObserver); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 223 | }; |
| 224 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 225 | class PassScope : public ValueObject { |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 226 | public: |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 227 | PassScope(const char *pass_name, PassObserver* pass_observer) |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 228 | : pass_name_(pass_name), |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 229 | pass_observer_(pass_observer) { |
| 230 | pass_observer_->StartPass(pass_name_); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 231 | } |
| 232 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 233 | ~PassScope() { |
| 234 | pass_observer_->EndPass(pass_name_); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 235 | } |
| 236 | |
| 237 | private: |
| 238 | const char* const pass_name_; |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 239 | PassObserver* const pass_observer_; |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 240 | }; |
| 241 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 242 | class OptimizingCompiler FINAL : public Compiler { |
| 243 | public: |
| 244 | explicit OptimizingCompiler(CompilerDriver* driver); |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 245 | ~OptimizingCompiler(); |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 246 | |
| 247 | bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file, CompilationUnit* cu) const |
| 248 | OVERRIDE; |
| 249 | |
| 250 | CompiledMethod* Compile(const DexFile::CodeItem* code_item, |
| 251 | uint32_t access_flags, |
| 252 | InvokeType invoke_type, |
| 253 | uint16_t class_def_idx, |
| 254 | uint32_t method_idx, |
| 255 | jobject class_loader, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 256 | const DexFile& dex_file, |
| 257 | Handle<mirror::DexCache> dex_cache) const OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 258 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 259 | CompiledMethod* TryCompile(const DexFile::CodeItem* code_item, |
| 260 | uint32_t access_flags, |
| 261 | InvokeType invoke_type, |
| 262 | uint16_t class_def_idx, |
| 263 | uint32_t method_idx, |
| 264 | jobject class_loader, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 265 | const DexFile& dex_file, |
| 266 | Handle<mirror::DexCache> dex_cache) const; |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 267 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 268 | CompiledMethod* JniCompile(uint32_t access_flags, |
| 269 | uint32_t method_idx, |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 270 | const DexFile& dex_file) const OVERRIDE { |
| 271 | return ArtQuickJniCompileMethod(GetCompilerDriver(), access_flags, method_idx, dex_file); |
| 272 | } |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 273 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 274 | uintptr_t GetEntryPointOf(ArtMethod* method) const OVERRIDE |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 275 | SHARED_REQUIRES(Locks::mutator_lock_) { |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 276 | return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCodePtrSize( |
| 277 | InstructionSetPointerSize(GetCompilerDriver()->GetInstructionSet()))); |
| 278 | } |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 279 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 280 | void InitCompilationUnit(CompilationUnit& cu) const OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 281 | |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 282 | void Init() OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 283 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 284 | void UnInit() const OVERRIDE; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 285 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 286 | void MaybeRecordStat(MethodCompilationStat compilation_stat) const { |
| 287 | if (compilation_stats_.get() != nullptr) { |
| 288 | compilation_stats_->RecordStat(compilation_stat); |
| 289 | } |
| 290 | } |
| 291 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 292 | private: |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 293 | // Whether we should run any optimization or register allocation. If false, will |
| 294 | // just run the code generation after the graph was built. |
| 295 | const bool run_optimizations_; |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 296 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 297 | // Optimize and compile `graph`. |
| 298 | CompiledMethod* CompileOptimized(HGraph* graph, |
| 299 | CodeGenerator* codegen, |
| 300 | CompilerDriver* driver, |
| 301 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 302 | PassObserver* pass_observer) const; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 303 | |
| 304 | // Just compile without doing optimizations. |
| 305 | CompiledMethod* CompileBaseline(CodeGenerator* codegen, |
| 306 | CompilerDriver* driver, |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 307 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 308 | PassObserver* pass_observer) const; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 309 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 310 | std::unique_ptr<OptimizingCompilerStats> compilation_stats_; |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 311 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 312 | std::unique_ptr<std::ostream> visualizer_output_; |
| 313 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 314 | DISALLOW_COPY_AND_ASSIGN(OptimizingCompiler); |
| 315 | }; |
| 316 | |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 317 | static const int kMaximumCompilationTimeBeforeWarning = 100; /* ms */ |
| 318 | |
| 319 | OptimizingCompiler::OptimizingCompiler(CompilerDriver* driver) |
| 320 | : Compiler(driver, kMaximumCompilationTimeBeforeWarning), |
| 321 | run_optimizations_( |
Nicolas Geoffray | da3a55b | 2015-10-02 11:56:50 +0100 | [diff] [blame] | 322 | driver->GetCompilerOptions().GetCompilerFilter() != CompilerOptions::kTime) {} |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 323 | |
| 324 | void OptimizingCompiler::Init() { |
| 325 | // Enable C1visualizer output. Must be done in Init() because the compiler |
| 326 | // driver is not fully initialized when passed to the compiler's constructor. |
| 327 | CompilerDriver* driver = GetCompilerDriver(); |
David Brazdil | 866c031 | 2015-01-13 21:21:31 +0000 | [diff] [blame] | 328 | const std::string cfg_file_name = driver->GetDumpCfgFileName(); |
| 329 | if (!cfg_file_name.empty()) { |
David Brazdil | ee690a3 | 2014-12-01 17:04:16 +0000 | [diff] [blame] | 330 | CHECK_EQ(driver->GetThreadCount(), 1U) |
| 331 | << "Graph visualizer requires the compiler to run single-threaded. " |
| 332 | << "Invoke the compiler with '-j1'."; |
Calin Juravle | 87000a9 | 2015-08-24 15:34:44 +0100 | [diff] [blame] | 333 | std::ios_base::openmode cfg_file_mode = |
| 334 | driver->GetDumpCfgAppend() ? std::ofstream::app : std::ofstream::out; |
| 335 | visualizer_output_.reset(new std::ofstream(cfg_file_name, cfg_file_mode)); |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 336 | } |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 337 | if (driver->GetDumpStats()) { |
| 338 | compilation_stats_.reset(new OptimizingCompilerStats()); |
| 339 | } |
Nicolas Geoffray | f635e63 | 2014-05-14 09:43:38 +0100 | [diff] [blame] | 340 | } |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 341 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 342 | void OptimizingCompiler::UnInit() const { |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 343 | } |
| 344 | |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 345 | OptimizingCompiler::~OptimizingCompiler() { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 346 | if (compilation_stats_.get() != nullptr) { |
| 347 | compilation_stats_->Log(); |
| 348 | } |
Nicolas Geoffray | 88157ef | 2014-09-12 10:29:53 +0100 | [diff] [blame] | 349 | } |
| 350 | |
Nicolas Geoffray | da3a55b | 2015-10-02 11:56:50 +0100 | [diff] [blame] | 351 | void OptimizingCompiler::InitCompilationUnit(CompilationUnit& cu ATTRIBUTE_UNUSED) const { |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 352 | } |
| 353 | |
Nicolas Geoffray | e2dc6fa | 2014-11-17 12:55:12 +0000 | [diff] [blame] | 354 | bool OptimizingCompiler::CanCompileMethod(uint32_t method_idx ATTRIBUTE_UNUSED, |
| 355 | const DexFile& dex_file ATTRIBUTE_UNUSED, |
| 356 | CompilationUnit* cu ATTRIBUTE_UNUSED) const { |
| 357 | return true; |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 358 | } |
| 359 | |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 360 | static bool IsInstructionSetSupported(InstructionSet instruction_set) { |
Calin Juravle | cff8cc7 | 2015-10-09 12:03:24 +0100 | [diff] [blame^] | 361 | return (instruction_set == kArm && !kArm32QuickCodeUseSoftFloat) |
| 362 | || instruction_set == kArm64 |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 363 | || (instruction_set == kThumb2 && !kArm32QuickCodeUseSoftFloat) |
Alexey Frunze | 4dda337 | 2015-06-01 18:31:49 -0700 | [diff] [blame] | 364 | || instruction_set == kMips64 |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 365 | || instruction_set == kX86 |
| 366 | || instruction_set == kX86_64; |
| 367 | } |
| 368 | |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 369 | static void RunOptimizations(HOptimization* optimizations[], |
| 370 | size_t length, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 371 | PassObserver* pass_observer) { |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 372 | for (size_t i = 0; i < length; ++i) { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 373 | PassScope scope(optimizations[i]->GetPassName(), pass_observer); |
| 374 | optimizations[i]->Run(); |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 375 | } |
| 376 | } |
| 377 | |
Calin Juravle | ec74835 | 2015-07-29 13:52:12 +0100 | [diff] [blame] | 378 | static void MaybeRunInliner(HGraph* graph, |
| 379 | CompilerDriver* driver, |
| 380 | OptimizingCompilerStats* stats, |
| 381 | const DexCompilationUnit& dex_compilation_unit, |
| 382 | PassObserver* pass_observer, |
| 383 | StackHandleScopeCollection* handles) { |
| 384 | const CompilerOptions& compiler_options = driver->GetCompilerOptions(); |
| 385 | bool should_inline = (compiler_options.GetInlineDepthLimit() > 0) |
| 386 | && (compiler_options.GetInlineMaxCodeUnits() > 0); |
| 387 | if (!should_inline) { |
| 388 | return; |
| 389 | } |
| 390 | |
| 391 | ArenaAllocator* arena = graph->GetArena(); |
| 392 | HInliner* inliner = new (arena) HInliner( |
| 393 | graph, dex_compilation_unit, dex_compilation_unit, driver, handles, stats); |
| 394 | ReferenceTypePropagation* type_propagation = |
| 395 | new (arena) ReferenceTypePropagation(graph, handles, |
| 396 | "reference_type_propagation_after_inlining"); |
| 397 | |
| 398 | HOptimization* optimizations[] = { |
| 399 | inliner, |
| 400 | // Run another type propagation phase: inlining will open up more opportunities |
| 401 | // to remove checkcast/instanceof and null checks. |
| 402 | type_propagation, |
| 403 | }; |
| 404 | |
| 405 | RunOptimizations(optimizations, arraysize(optimizations), pass_observer); |
| 406 | } |
| 407 | |
Alexandre Rames | 44b9cf9 | 2015-08-19 15:39:06 +0100 | [diff] [blame] | 408 | static void RunArchOptimizations(InstructionSet instruction_set, |
| 409 | HGraph* graph, |
| 410 | OptimizingCompilerStats* stats, |
| 411 | PassObserver* pass_observer) { |
| 412 | ArenaAllocator* arena = graph->GetArena(); |
| 413 | switch (instruction_set) { |
| 414 | #ifdef ART_ENABLE_CODEGEN_arm64 |
| 415 | case kArm64: { |
| 416 | arm64::InstructionSimplifierArm64* simplifier = |
| 417 | new (arena) arm64::InstructionSimplifierArm64(graph, stats); |
| 418 | SideEffectsAnalysis* side_effects = new (arena) SideEffectsAnalysis(graph); |
| 419 | GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects, "GVN_after_arch"); |
| 420 | HOptimization* arm64_optimizations[] = { |
| 421 | simplifier, |
| 422 | side_effects, |
| 423 | gvn |
| 424 | }; |
| 425 | RunOptimizations(arm64_optimizations, arraysize(arm64_optimizations), pass_observer); |
| 426 | break; |
| 427 | } |
| 428 | #endif |
Mark Mendell | 0616ae0 | 2015-04-17 12:49:27 -0400 | [diff] [blame] | 429 | #ifdef ART_ENABLE_CODEGEN_x86 |
| 430 | case kX86: { |
| 431 | x86::ConstantAreaFixups* constant_area_fixups = |
| 432 | new (arena) x86::ConstantAreaFixups(graph, stats); |
| 433 | HOptimization* x86_optimizations[] = { |
| 434 | constant_area_fixups |
| 435 | }; |
| 436 | RunOptimizations(x86_optimizations, arraysize(x86_optimizations), pass_observer); |
| 437 | break; |
| 438 | } |
| 439 | #endif |
Alexandre Rames | 44b9cf9 | 2015-08-19 15:39:06 +0100 | [diff] [blame] | 440 | default: |
| 441 | break; |
| 442 | } |
| 443 | } |
| 444 | |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 445 | static void RunOptimizations(HGraph* graph, |
| 446 | CompilerDriver* driver, |
| 447 | OptimizingCompilerStats* stats, |
| 448 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 449 | PassObserver* pass_observer, |
Calin Juravle | acf735c | 2015-02-12 15:25:22 +0000 | [diff] [blame] | 450 | StackHandleScopeCollection* handles) { |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 451 | ArenaAllocator* arena = graph->GetArena(); |
| 452 | HDeadCodeElimination* dce1 = new (arena) HDeadCodeElimination( |
| 453 | graph, stats, HDeadCodeElimination::kInitialDeadCodeEliminationPassName); |
| 454 | HDeadCodeElimination* dce2 = new (arena) HDeadCodeElimination( |
| 455 | graph, stats, HDeadCodeElimination::kFinalDeadCodeEliminationPassName); |
| 456 | HConstantFolding* fold1 = new (arena) HConstantFolding(graph); |
| 457 | InstructionSimplifier* simplify1 = new (arena) InstructionSimplifier(graph, stats); |
| 458 | HBooleanSimplifier* boolean_simplify = new (arena) HBooleanSimplifier(graph); |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 459 | HConstantFolding* fold2 = new (arena) HConstantFolding(graph, "constant_folding_after_inlining"); |
| 460 | SideEffectsAnalysis* side_effects = new (arena) SideEffectsAnalysis(graph); |
| 461 | GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects); |
| 462 | LICM* licm = new (arena) LICM(graph, *side_effects); |
Aart Bik | 22af3be | 2015-09-10 12:50:58 -0700 | [diff] [blame] | 463 | HInductionVarAnalysis* induction = new (arena) HInductionVarAnalysis(graph); |
| 464 | BoundsCheckElimination* bce = new (arena) BoundsCheckElimination(graph, induction); |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 465 | ReferenceTypePropagation* type_propagation = |
| 466 | new (arena) ReferenceTypePropagation(graph, handles); |
| 467 | InstructionSimplifier* simplify2 = new (arena) InstructionSimplifier( |
| 468 | graph, stats, "instruction_simplifier_after_types"); |
| 469 | InstructionSimplifier* simplify3 = new (arena) InstructionSimplifier( |
Nicolas Geoffray | b2bdfce | 2015-06-18 15:46:47 +0100 | [diff] [blame] | 470 | graph, stats, "instruction_simplifier_after_bce"); |
Nicolas Geoffray | b2bdfce | 2015-06-18 15:46:47 +0100 | [diff] [blame] | 471 | InstructionSimplifier* simplify4 = new (arena) InstructionSimplifier( |
| 472 | graph, stats, "instruction_simplifier_before_codegen"); |
Nicolas Geoffray | 5e6916c | 2014-11-18 16:53:35 +0000 | [diff] [blame] | 473 | |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 474 | IntrinsicsRecognizer* intrinsics = new (arena) IntrinsicsRecognizer(graph, driver); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 475 | |
Calin Juravle | ec74835 | 2015-07-29 13:52:12 +0100 | [diff] [blame] | 476 | HOptimization* optimizations1[] = { |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 477 | intrinsics, |
Vladimir Marko | a3a3c59 | 2015-06-12 14:30:53 +0100 | [diff] [blame] | 478 | fold1, |
| 479 | simplify1, |
| 480 | type_propagation, |
Nicolas Geoffray | 18e6873 | 2015-06-17 23:09:05 +0100 | [diff] [blame] | 481 | dce1, |
Calin Juravle | ec74835 | 2015-07-29 13:52:12 +0100 | [diff] [blame] | 482 | simplify2 |
| 483 | }; |
| 484 | |
| 485 | RunOptimizations(optimizations1, arraysize(optimizations1), pass_observer); |
| 486 | |
David Brazdil | 77a48ae | 2015-09-15 12:34:04 +0000 | [diff] [blame] | 487 | // TODO: Update passes incompatible with try/catch so we have the same |
| 488 | // pipeline for all methods. |
David Brazdil | bbd733e | 2015-08-18 17:48:17 +0100 | [diff] [blame] | 489 | if (graph->HasTryCatch()) { |
David Brazdil | 77a48ae | 2015-09-15 12:34:04 +0000 | [diff] [blame] | 490 | HOptimization* optimizations2[] = { |
| 491 | side_effects, |
| 492 | gvn, |
| 493 | dce2, |
| 494 | // The codegen has a few assumptions that only the instruction simplifier |
| 495 | // can satisfy. For example, the code generator does not expect to see a |
| 496 | // HTypeConversion from a type to the same type. |
| 497 | simplify4, |
| 498 | }; |
| 499 | |
| 500 | RunOptimizations(optimizations2, arraysize(optimizations2), pass_observer); |
| 501 | } else { |
| 502 | MaybeRunInliner(graph, driver, stats, dex_compilation_unit, pass_observer, handles); |
| 503 | |
| 504 | HOptimization* optimizations2[] = { |
| 505 | // BooleanSimplifier depends on the InstructionSimplifier removing |
| 506 | // redundant suspend checks to recognize empty blocks. |
| 507 | boolean_simplify, |
| 508 | fold2, // TODO: if we don't inline we can also skip fold2. |
| 509 | side_effects, |
| 510 | gvn, |
| 511 | licm, |
Aart Bik | 22af3be | 2015-09-10 12:50:58 -0700 | [diff] [blame] | 512 | induction, |
David Brazdil | 77a48ae | 2015-09-15 12:34:04 +0000 | [diff] [blame] | 513 | bce, |
| 514 | simplify3, |
| 515 | dce2, |
| 516 | // The codegen has a few assumptions that only the instruction simplifier |
| 517 | // can satisfy. For example, the code generator does not expect to see a |
| 518 | // HTypeConversion from a type to the same type. |
| 519 | simplify4, |
| 520 | }; |
| 521 | |
| 522 | RunOptimizations(optimizations2, arraysize(optimizations2), pass_observer); |
David Brazdil | bbd733e | 2015-08-18 17:48:17 +0100 | [diff] [blame] | 523 | } |
| 524 | |
Alexandre Rames | 44b9cf9 | 2015-08-19 15:39:06 +0100 | [diff] [blame] | 525 | RunArchOptimizations(driver->GetInstructionSet(), graph, stats, pass_observer); |
Nicolas Geoffray | 5e6916c | 2014-11-18 16:53:35 +0000 | [diff] [blame] | 526 | } |
| 527 | |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 528 | // The stack map we generate must be 4-byte aligned on ARM. Since existing |
| 529 | // maps are generated alongside these stack maps, we must also align them. |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 530 | static ArrayRef<const uint8_t> AlignVectorSize(ArenaVector<uint8_t>& vector) { |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 531 | size_t size = vector.size(); |
| 532 | size_t aligned_size = RoundUp(size, 4); |
| 533 | for (; size < aligned_size; ++size) { |
| 534 | vector.push_back(0); |
| 535 | } |
Andreas Gampe | e21dc3d | 2014-12-08 16:59:43 -0800 | [diff] [blame] | 536 | return ArrayRef<const uint8_t>(vector); |
Nicolas Geoffray | 376b2bb | 2014-12-09 14:26:32 +0000 | [diff] [blame] | 537 | } |
| 538 | |
Vladimir Marko | c90d7c7 | 2015-10-06 17:30:45 +0000 | [diff] [blame] | 539 | NO_INLINE // Avoid increasing caller's frame size by large stack-allocated objects. |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 540 | static void AllocateRegisters(HGraph* graph, |
| 541 | CodeGenerator* codegen, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 542 | PassObserver* pass_observer) { |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 543 | PrepareForRegisterAllocation(graph).Run(); |
Nicolas Geoffray | 0d9f17d | 2015-04-15 14:17:44 +0100 | [diff] [blame] | 544 | SsaLivenessAnalysis liveness(graph, codegen); |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 545 | { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 546 | PassScope scope(SsaLivenessAnalysis::kLivenessPassName, pass_observer); |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 547 | liveness.Analyze(); |
| 548 | } |
| 549 | { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 550 | PassScope scope(RegisterAllocator::kRegisterAllocatorPassName, pass_observer); |
Andreas Gampe | c2bcafe | 2015-04-10 10:49:32 -0700 | [diff] [blame] | 551 | RegisterAllocator(graph->GetArena(), codegen, liveness).AllocateRegisters(); |
| 552 | } |
| 553 | } |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 554 | |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 555 | static ArenaVector<LinkerPatch> EmitAndSortLinkerPatches(CodeGenerator* codegen) { |
| 556 | ArenaVector<LinkerPatch> linker_patches(codegen->GetGraph()->GetArena()->Adapter()); |
| 557 | codegen->EmitLinkerPatches(&linker_patches); |
| 558 | |
| 559 | // Sort patches by literal offset. Required for .oat_patches encoding. |
| 560 | std::sort(linker_patches.begin(), linker_patches.end(), |
| 561 | [](const LinkerPatch& lhs, const LinkerPatch& rhs) { |
| 562 | return lhs.LiteralOffset() < rhs.LiteralOffset(); |
| 563 | }); |
| 564 | |
| 565 | return linker_patches; |
| 566 | } |
| 567 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 568 | CompiledMethod* OptimizingCompiler::CompileOptimized(HGraph* graph, |
| 569 | CodeGenerator* codegen, |
| 570 | CompilerDriver* compiler_driver, |
| 571 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 572 | PassObserver* pass_observer) const { |
Mathieu Chartier | ed15000 | 2015-08-28 11:16:54 -0700 | [diff] [blame] | 573 | ScopedObjectAccess soa(Thread::Current()); |
| 574 | StackHandleScopeCollection handles(soa.Self()); |
| 575 | soa.Self()->TransitionFromRunnableToSuspended(kNative); |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 576 | RunOptimizations(graph, compiler_driver, compilation_stats_.get(), |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 577 | dex_compilation_unit, pass_observer, &handles); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 578 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 579 | AllocateRegisters(graph, codegen, pass_observer); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 580 | |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 581 | ArenaAllocator* arena = graph->GetArena(); |
| 582 | CodeVectorAllocator allocator(arena); |
Yevgeny Rouban | 2a7c1ef | 2015-07-22 18:36:24 +0600 | [diff] [blame] | 583 | DefaultSrcMap src_mapping_table; |
| 584 | codegen->SetSrcMap(compiler_driver->GetCompilerOptions().GetGenerateDebugInfo() |
| 585 | ? &src_mapping_table |
| 586 | : nullptr); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 587 | codegen->CompileOptimized(&allocator); |
| 588 | |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 589 | ArenaVector<LinkerPatch> linker_patches = EmitAndSortLinkerPatches(codegen); |
| 590 | |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 591 | ArenaVector<uint8_t> stack_map(arena->Adapter(kArenaAllocStackMaps)); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 592 | codegen->BuildStackMaps(&stack_map); |
| 593 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 594 | MaybeRecordStat(MethodCompilationStat::kCompiledOptimized); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 595 | |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 596 | CompiledMethod* compiled_method = CompiledMethod::SwapAllocCompiledMethod( |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 597 | compiler_driver, |
| 598 | codegen->GetInstructionSet(), |
| 599 | ArrayRef<const uint8_t>(allocator.GetMemory()), |
Roland Levillain | aa9b7c4 | 2015-02-17 15:40:09 +0000 | [diff] [blame] | 600 | // Follow Quick's behavior and set the frame size to zero if it is |
| 601 | // considered "empty" (see the definition of |
| 602 | // art::CodeGenerator::HasEmptyFrame). |
| 603 | codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 604 | codegen->GetCoreSpillMask(), |
Nicolas Geoffray | d97dc40 | 2015-01-22 13:50:01 +0000 | [diff] [blame] | 605 | codegen->GetFpuSpillMask(), |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 606 | &src_mapping_table, |
| 607 | ArrayRef<const uint8_t>(), // mapping_table. |
| 608 | ArrayRef<const uint8_t>(stack_map), |
| 609 | ArrayRef<const uint8_t>(), // native_gc_map. |
| 610 | ArrayRef<const uint8_t>(*codegen->GetAssembler()->cfi().data()), |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 611 | ArrayRef<const LinkerPatch>(linker_patches)); |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 612 | pass_observer->DumpDisassembly(); |
Mathieu Chartier | ed15000 | 2015-08-28 11:16:54 -0700 | [diff] [blame] | 613 | |
| 614 | soa.Self()->TransitionFromSuspendedToRunnable(); |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 615 | return compiled_method; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 616 | } |
| 617 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 618 | CompiledMethod* OptimizingCompiler::CompileBaseline( |
| 619 | CodeGenerator* codegen, |
| 620 | CompilerDriver* compiler_driver, |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 621 | const DexCompilationUnit& dex_compilation_unit, |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 622 | PassObserver* pass_observer) const { |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 623 | ArenaAllocator* arena = codegen->GetGraph()->GetArena(); |
| 624 | CodeVectorAllocator allocator(arena); |
Yevgeny Rouban | 2a7c1ef | 2015-07-22 18:36:24 +0600 | [diff] [blame] | 625 | DefaultSrcMap src_mapping_table; |
| 626 | codegen->SetSrcMap(compiler_driver->GetCompilerOptions().GetGenerateDebugInfo() |
| 627 | ? &src_mapping_table |
| 628 | : nullptr); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 629 | codegen->CompileBaseline(&allocator); |
| 630 | |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 631 | ArenaVector<LinkerPatch> linker_patches = EmitAndSortLinkerPatches(codegen); |
| 632 | |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 633 | ArenaVector<uint8_t> mapping_table(arena->Adapter(kArenaAllocBaselineMaps)); |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 634 | codegen->BuildMappingTable(&mapping_table); |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 635 | ArenaVector<uint8_t> vmap_table(arena->Adapter(kArenaAllocBaselineMaps)); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 636 | codegen->BuildVMapTable(&vmap_table); |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 637 | ArenaVector<uint8_t> gc_map(arena->Adapter(kArenaAllocBaselineMaps)); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 638 | codegen->BuildNativeGCMap(&gc_map, dex_compilation_unit); |
| 639 | |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 640 | MaybeRecordStat(MethodCompilationStat::kCompiledBaseline); |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 641 | CompiledMethod* compiled_method = CompiledMethod::SwapAllocCompiledMethod( |
Roland Levillain | aa9b7c4 | 2015-02-17 15:40:09 +0000 | [diff] [blame] | 642 | compiler_driver, |
| 643 | codegen->GetInstructionSet(), |
| 644 | ArrayRef<const uint8_t>(allocator.GetMemory()), |
| 645 | // Follow Quick's behavior and set the frame size to zero if it is |
| 646 | // considered "empty" (see the definition of |
| 647 | // art::CodeGenerator::HasEmptyFrame). |
| 648 | codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), |
| 649 | codegen->GetCoreSpillMask(), |
| 650 | codegen->GetFpuSpillMask(), |
| 651 | &src_mapping_table, |
| 652 | AlignVectorSize(mapping_table), |
| 653 | AlignVectorSize(vmap_table), |
| 654 | AlignVectorSize(gc_map), |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 655 | ArrayRef<const uint8_t>(*codegen->GetAssembler()->cfi().data()), |
Vladimir Marko | 5815501 | 2015-08-19 12:49:41 +0000 | [diff] [blame] | 656 | ArrayRef<const LinkerPatch>(linker_patches)); |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 657 | pass_observer->DumpDisassembly(); |
Alexandre Rames | eb7b739 | 2015-06-19 14:47:01 +0100 | [diff] [blame] | 658 | return compiled_method; |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 659 | } |
| 660 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 661 | CompiledMethod* OptimizingCompiler::TryCompile(const DexFile::CodeItem* code_item, |
| 662 | uint32_t access_flags, |
| 663 | InvokeType invoke_type, |
| 664 | uint16_t class_def_idx, |
| 665 | uint32_t method_idx, |
| 666 | jobject class_loader, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 667 | const DexFile& dex_file, |
| 668 | Handle<mirror::DexCache> dex_cache) const { |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 669 | UNUSED(invoke_type); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 670 | std::string method_name = PrettyMethod(method_idx, dex_file); |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 671 | MaybeRecordStat(MethodCompilationStat::kAttemptCompilation); |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 672 | CompilerDriver* compiler_driver = GetCompilerDriver(); |
| 673 | InstructionSet instruction_set = compiler_driver->GetInstructionSet(); |
Calin Juravle | cff8cc7 | 2015-10-09 12:03:24 +0100 | [diff] [blame^] | 674 | |
Nicolas Geoffray | 8d48673 | 2014-07-16 16:23:40 +0100 | [diff] [blame] | 675 | // Always use the thumb2 assembler: some runtime functionality (like implicit stack |
| 676 | // overflow checks) assume thumb2. |
| 677 | if (instruction_set == kArm) { |
| 678 | instruction_set = kThumb2; |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 679 | } |
| 680 | |
| 681 | // Do not attempt to compile on architectures we do not support. |
Nicolas Geoffray | 1ba0f59 | 2014-10-27 15:14:55 +0000 | [diff] [blame] | 682 | if (!IsInstructionSetSupported(instruction_set)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 683 | MaybeRecordStat(MethodCompilationStat::kNotCompiledUnsupportedIsa); |
Nicolas Geoffray | 8fb5ce3 | 2014-07-04 09:43:26 +0100 | [diff] [blame] | 684 | return nullptr; |
| 685 | } |
| 686 | |
Nicolas Geoffray | b5f62b3 | 2014-10-30 10:58:41 +0000 | [diff] [blame] | 687 | if (Compiler::IsPathologicalCase(*code_item, method_idx, dex_file)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 688 | MaybeRecordStat(MethodCompilationStat::kNotCompiledPathological); |
Nicolas Geoffray | b5f62b3 | 2014-10-30 10:58:41 +0000 | [diff] [blame] | 689 | return nullptr; |
| 690 | } |
| 691 | |
Nicolas Geoffray | 36540cb | 2015-03-23 14:45:53 +0000 | [diff] [blame] | 692 | // 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] | 693 | // code units is bigger than 128. |
| 694 | static constexpr size_t kSpaceFilterOptimizingThreshold = 128; |
Nicolas Geoffray | 36540cb | 2015-03-23 14:45:53 +0000 | [diff] [blame] | 695 | const CompilerOptions& compiler_options = compiler_driver->GetCompilerOptions(); |
| 696 | if ((compiler_options.GetCompilerFilter() == CompilerOptions::kSpace) |
| 697 | && (code_item->insns_size_in_code_units_ > kSpaceFilterOptimizingThreshold)) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 698 | MaybeRecordStat(MethodCompilationStat::kNotCompiledSpaceFilter); |
Nicolas Geoffray | 36540cb | 2015-03-23 14:45:53 +0000 | [diff] [blame] | 699 | return nullptr; |
| 700 | } |
| 701 | |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 702 | DexCompilationUnit dex_compilation_unit( |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 703 | nullptr, class_loader, Runtime::Current()->GetClassLinker(), dex_file, code_item, |
Ian Rogers | 72d3262 | 2014-05-06 16:20:11 -0700 | [diff] [blame] | 704 | class_def_idx, method_idx, access_flags, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 705 | compiler_driver->GetVerifiedMethod(&dex_file, method_idx), dex_cache); |
Nicolas Geoffray | 92cf83e | 2014-03-18 17:59:20 +0000 | [diff] [blame] | 706 | |
Calin Juravle | 3cd4fc8 | 2015-05-14 15:15:42 +0100 | [diff] [blame] | 707 | bool requires_barrier = dex_compilation_unit.IsConstructor() |
| 708 | && compiler_driver->RequiresConstructorBarrier(Thread::Current(), |
| 709 | dex_compilation_unit.GetDexFile(), |
| 710 | dex_compilation_unit.GetClassDefIndex()); |
Nicolas Geoffray | 579ea7d | 2015-03-24 17:28:38 +0000 | [diff] [blame] | 711 | ArenaAllocator arena(Runtime::Current()->GetArenaPool()); |
Nicolas Geoffray | e0fe7ae | 2015-03-09 10:02:49 +0000 | [diff] [blame] | 712 | HGraph* graph = new (&arena) HGraph( |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 713 | &arena, dex_file, method_idx, requires_barrier, compiler_driver->GetInstructionSet(), |
| 714 | kInvalidInvokeType, compiler_driver->GetCompilerOptions().GetDebuggable()); |
Nicolas Geoffray | e53798a | 2014-12-01 10:31:54 +0000 | [diff] [blame] | 715 | |
Nicolas Geoffray | a3d90fb | 2015-03-16 13:55:40 +0000 | [diff] [blame] | 716 | bool shouldOptimize = method_name.find("$opt$reg$") != std::string::npos && run_optimizations_; |
Nicolas Geoffray | 8ccc3f5 | 2014-03-19 10:34:11 +0000 | [diff] [blame] | 717 | |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 718 | std::unique_ptr<CodeGenerator> codegen( |
Calin Juravle | cd6dffe | 2015-01-08 17:35:35 +0000 | [diff] [blame] | 719 | CodeGenerator::Create(graph, |
| 720 | instruction_set, |
| 721 | *compiler_driver->GetInstructionSetFeatures(), |
| 722 | compiler_driver->GetCompilerOptions())); |
Nicolas Geoffray | 12df9eb | 2015-01-09 14:53:50 +0000 | [diff] [blame] | 723 | if (codegen.get() == nullptr) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 724 | MaybeRecordStat(MethodCompilationStat::kNotCompiledNoCodegen); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 725 | return nullptr; |
| 726 | } |
David Srbecky | c6b4dd8 | 2015-04-07 20:32:43 +0100 | [diff] [blame] | 727 | codegen->GetAssembler()->cfi().SetEnabled( |
David Srbecky | 8363c77 | 2015-05-28 16:12:43 +0100 | [diff] [blame] | 728 | compiler_driver->GetCompilerOptions().GetGenerateDebugInfo()); |
Nicolas Geoffray | 787c307 | 2014-03-17 10:20:19 +0000 | [diff] [blame] | 729 | |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 730 | PassObserver pass_observer(graph, |
| 731 | method_name.c_str(), |
| 732 | codegen.get(), |
| 733 | visualizer_output_.get(), |
| 734 | compiler_driver); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 735 | |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 736 | const uint8_t* interpreter_metadata = nullptr; |
| 737 | { |
| 738 | ScopedObjectAccess soa(Thread::Current()); |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 739 | StackHandleScope<1> hs(soa.Self()); |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 740 | Handle<mirror::ClassLoader> loader(hs.NewHandle( |
| 741 | soa.Decode<mirror::ClassLoader*>(class_loader))); |
| 742 | ArtMethod* art_method = compiler_driver->ResolveMethod( |
| 743 | soa, dex_cache, loader, &dex_compilation_unit, method_idx, invoke_type); |
| 744 | // We may not get a method, for example if its class is erroneous. |
| 745 | // TODO: Clean this up, the compiler driver should just pass the ArtMethod to compile. |
| 746 | if (art_method != nullptr) { |
| 747 | interpreter_metadata = art_method->GetQuickenedInfo(); |
| 748 | } |
| 749 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 750 | HGraphBuilder builder(graph, |
| 751 | &dex_compilation_unit, |
| 752 | &dex_compilation_unit, |
| 753 | &dex_file, |
| 754 | compiler_driver, |
Nicolas Geoffray | 9523a3e | 2015-07-17 11:51:28 +0000 | [diff] [blame] | 755 | compilation_stats_.get(), |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 756 | interpreter_metadata, |
| 757 | dex_cache); |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 758 | |
| 759 | VLOG(compiler) << "Building " << method_name; |
| 760 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 761 | { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 762 | PassScope scope(HGraphBuilder::kBuilderPassName, &pass_observer); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 763 | if (!builder.BuildGraph(*code_item)) { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 764 | pass_observer.SetGraphInBadState(); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 765 | return nullptr; |
| 766 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 767 | } |
Nicolas Geoffray | a7062e0 | 2014-05-22 12:50:17 +0100 | [diff] [blame] | 768 | |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 769 | bool can_allocate_registers = RegisterAllocator::CanAllocateRegistersFor(*graph, instruction_set); |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 770 | |
| 771 | // `run_optimizations_` is set explicitly (either through a compiler filter |
| 772 | // or the debuggable flag). If it is set, we can run baseline. Otherwise, we fall back |
| 773 | // to Quick. |
Nicolas Geoffray | 2e7cd75 | 2015-07-10 11:38:52 +0100 | [diff] [blame] | 774 | bool can_use_baseline = !run_optimizations_ && builder.CanUseBaselineForStringInit(); |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 775 | CompiledMethod* compiled_method = nullptr; |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 776 | if (run_optimizations_ && can_allocate_registers) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 777 | VLOG(compiler) << "Optimizing " << method_name; |
| 778 | |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 779 | { |
David Brazdil | 69ba7b7 | 2015-06-23 18:27:30 +0100 | [diff] [blame] | 780 | PassScope scope(SsaBuilder::kSsaBuilderPassName, &pass_observer); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 781 | if (!graph->TryBuildingSsa()) { |
| 782 | // We could not transform the graph to SSA, bailout. |
| 783 | 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] | 784 | MaybeRecordStat(MethodCompilationStat::kNotCompiledCannotBuildSSA); |
David Brazdil | ffee3d3 | 2015-07-06 11:48:53 +0100 | [diff] [blame] | 785 | pass_observer.SetGraphInBadState(); |
David Brazdil | 809658e | 2015-02-05 11:34:02 +0000 | [diff] [blame] | 786 | return nullptr; |
| 787 | } |
Nicolas Geoffray | f537012 | 2014-12-02 11:51:19 +0000 | [diff] [blame] | 788 | } |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 789 | |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 790 | compiled_method = CompileOptimized(graph, |
| 791 | codegen.get(), |
| 792 | compiler_driver, |
| 793 | dex_compilation_unit, |
| 794 | &pass_observer); |
David Brazdil | bbd733e | 2015-08-18 17:48:17 +0100 | [diff] [blame] | 795 | } else if (shouldOptimize && can_allocate_registers) { |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 796 | LOG(FATAL) << "Could not allocate registers in optimizing compiler"; |
Zheng Xu | 5667fdb | 2014-10-23 18:29:55 +0800 | [diff] [blame] | 797 | UNREACHABLE(); |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 798 | } else if (can_use_baseline) { |
David Brazdil | 5e8b137 | 2015-01-23 14:39:08 +0000 | [diff] [blame] | 799 | VLOG(compiler) << "Compile baseline " << method_name; |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 800 | |
| 801 | if (!run_optimizations_) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 802 | MaybeRecordStat(MethodCompilationStat::kNotOptimizedDisabled); |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 803 | } else if (!can_allocate_registers) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 804 | MaybeRecordStat(MethodCompilationStat::kNotOptimizedRegisterAllocator); |
Calin Juravle | 48c2b03 | 2014-12-09 18:11:36 +0000 | [diff] [blame] | 805 | } |
| 806 | |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 807 | compiled_method = CompileBaseline(codegen.get(), |
| 808 | compiler_driver, |
| 809 | dex_compilation_unit, |
| 810 | &pass_observer); |
Nicolas Geoffray | 86dbb9a | 2014-06-04 11:12:39 +0100 | [diff] [blame] | 811 | } |
Vladimir Marko | f9f6441 | 2015-09-02 14:05:49 +0100 | [diff] [blame] | 812 | |
| 813 | if (kArenaAllocatorCountAllocations) { |
| 814 | if (arena.BytesAllocated() > 4 * MB) { |
| 815 | MemStats mem_stats(arena.GetMemStats()); |
| 816 | LOG(INFO) << PrettyMethod(method_idx, dex_file) << " " << Dumpable<MemStats>(mem_stats); |
| 817 | } |
| 818 | } |
| 819 | |
| 820 | return compiled_method; |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 821 | } |
| 822 | |
Calin Juravle | 07380a2 | 2015-09-17 14:15:12 +0100 | [diff] [blame] | 823 | static bool CanHandleVerificationFailure(const VerifiedMethod* verified_method) { |
| 824 | // For access errors the compiler will use the unresolved helpers (e.g. HInvokeUnresolved). |
| 825 | uint32_t unresolved_mask = verifier::VerifyError::VERIFY_ERROR_NO_CLASS |
| 826 | | verifier::VerifyError::VERIFY_ERROR_ACCESS_CLASS |
| 827 | | verifier::VerifyError::VERIFY_ERROR_ACCESS_FIELD |
| 828 | | verifier::VerifyError::VERIFY_ERROR_ACCESS_METHOD; |
Calin Juravle | 175dc73 | 2015-08-25 15:42:32 +0100 | [diff] [blame] | 829 | return (verified_method->GetEncounteredVerificationFailures() & (~unresolved_mask)) == 0; |
| 830 | } |
| 831 | |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 832 | CompiledMethod* OptimizingCompiler::Compile(const DexFile::CodeItem* code_item, |
| 833 | uint32_t access_flags, |
| 834 | InvokeType invoke_type, |
| 835 | uint16_t class_def_idx, |
| 836 | uint32_t method_idx, |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 837 | jobject jclass_loader, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 838 | const DexFile& dex_file, |
| 839 | Handle<mirror::DexCache> dex_cache) const { |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 840 | CompilerDriver* compiler_driver = GetCompilerDriver(); |
| 841 | CompiledMethod* method = nullptr; |
Calin Juravle | 175dc73 | 2015-08-25 15:42:32 +0100 | [diff] [blame] | 842 | const VerifiedMethod* verified_method = compiler_driver->GetVerifiedMethod(&dex_file, method_idx); |
| 843 | DCHECK(!verified_method->HasRuntimeThrow()); |
| 844 | if (compiler_driver->IsMethodVerifiedWithoutFailures(method_idx, class_def_idx, dex_file) |
Calin Juravle | 07380a2 | 2015-09-17 14:15:12 +0100 | [diff] [blame] | 845 | || CanHandleVerificationFailure(verified_method)) { |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 846 | method = TryCompile(code_item, access_flags, invoke_type, class_def_idx, |
Mathieu Chartier | 736b560 | 2015-09-02 14:54:11 -0700 | [diff] [blame] | 847 | method_idx, jclass_loader, dex_file, dex_cache); |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 848 | } else { |
| 849 | if (compiler_driver->GetCompilerOptions().VerifyAtRuntime()) { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 850 | MaybeRecordStat(MethodCompilationStat::kNotCompiledVerifyAtRuntime); |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 851 | } else { |
Calin Juravle | 2be39e0 | 2015-04-21 13:56:34 +0100 | [diff] [blame] | 852 | MaybeRecordStat(MethodCompilationStat::kNotCompiledClassNotVerified); |
Calin Juravle | f1c6d9e | 2015-04-13 18:42:21 +0100 | [diff] [blame] | 853 | } |
| 854 | } |
| 855 | |
Calin Juravle | cff8cc7 | 2015-10-09 12:03:24 +0100 | [diff] [blame^] | 856 | if (kIsDebugBuild && |
| 857 | IsCompilingWithCoreImage() && |
| 858 | IsInstructionSetSupported(compiler_driver->GetInstructionSet())) { |
Calin Juravle | 09b1d6f | 2015-10-07 12:08:54 +0100 | [diff] [blame] | 859 | // For testing purposes, we put a special marker on method names that should be compiled |
| 860 | // with this compiler. This makes sure we're not regressing. |
| 861 | std::string method_name = PrettyMethod(method_idx, dex_file); |
| 862 | bool shouldCompile = method_name.find("$opt$") != std::string::npos; |
| 863 | DCHECK((method != nullptr) || !shouldCompile) << "Didn't compile " << method_name; |
| 864 | } |
| 865 | |
Nicolas Geoffray | 12be74e | 2015-03-30 13:29:08 +0100 | [diff] [blame] | 866 | return method; |
Nicolas Geoffray | 216eaa2 | 2015-03-17 17:09:30 +0000 | [diff] [blame] | 867 | } |
| 868 | |
Andreas Gampe | 53c913b | 2014-08-12 23:19:23 -0700 | [diff] [blame] | 869 | Compiler* CreateOptimizingCompiler(CompilerDriver* driver) { |
| 870 | return new OptimizingCompiler(driver); |
| 871 | } |
| 872 | |
Nicolas Geoffray | 335005e | 2015-06-25 10:01:47 +0100 | [diff] [blame] | 873 | bool IsCompilingWithCoreImage() { |
| 874 | const std::string& image = Runtime::Current()->GetImageLocation(); |
| 875 | return EndsWith(image, "core.art") || EndsWith(image, "core-optimizing.art"); |
| 876 | } |
| 877 | |
Nicolas Geoffray | b34f69a | 2014-03-07 15:28:39 +0000 | [diff] [blame] | 878 | } // namespace art |