optimizing_compiler.cc revision 579ea7d0d89a1d7f02c35ef1beb6328a37259735
1b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray/* 2b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * Copyright (C) 2014 The Android Open Source Project 3b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * 4b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * Licensed under the Apache License, Version 2.0 (the "License"); 5b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * you may not use this file except in compliance with the License. 6b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * You may obtain a copy of the License at 7b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * 8b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * http://www.apache.org/licenses/LICENSE-2.0 9b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * 10b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * Unless required by applicable law or agreed to in writing, software 11b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * distributed under the License is distributed on an "AS IS" BASIS, 12b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * See the License for the specific language governing permissions and 14b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray * limitations under the License. 15b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray */ 16b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray 1753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe#include "optimizing_compiler.h" 1853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 19f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray#include <fstream> 20787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include <stdint.h> 21787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 22b666f4805c8ae707ea6fd7f6c7f375e0b000dba8Mathieu Chartier#include "base/arena_allocator.h" 235e8b137d28c840b128e2488f954cccee3e86db14David Brazdil#include "base/dumpable.h" 245e8b137d28c840b128e2488f954cccee3e86db14David Brazdil#include "base/timing_logger.h" 25f384f88d4d1e89df82f47fbc7245a8acc9c2d49cMingyao Yang#include "bounds_check_elimination.h" 26787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include "builder.h" 27787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include "code_generator.h" 2853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe#include "compiler.h" 2975be28332b278cff9039b54bfb228ac72f539cccRoland Levillain#include "constant_folding.h" 3075be28332b278cff9039b54bfb228ac72f539cccRoland Levillain#include "dead_code_elimination.h" 3171fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe#include "dex/quick/dex_file_to_method_inliner_map.h" 32787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include "driver/compiler_driver.h" 3392cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray#include "driver/dex_compilation_unit.h" 34e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray#include "elf_writer_quick.h" 35f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray#include "graph_visualizer.h" 36d31cf3d55a0847c018c4eaa2b349b8eea509de64Nicolas Geoffray#include "gvn.h" 37e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray#include "inliner.h" 383c04974a90b0e03f4b509010bff49f0b2a3da57fNicolas Geoffray#include "instruction_simplifier.h" 3971fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe#include "intrinsics.h" 4082091dad38f3e5bfaf3b6984c9ab73069fb68310Nicolas Geoffray#include "licm.h" 41e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray#include "jni/quick/jni_compiler.h" 42e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray#include "mirror/art_method-inl.h" 43787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include "nodes.h" 4426a25ef62a13f409f941aa39825a51b4d6f0f047Nicolas Geoffray#include "prepare_for_register_allocation.h" 45a7062e05e6048c7f817d784a5b94e3122e25b1ecNicolas Geoffray#include "register_allocator.h" 46827eedbfa882496407375f22b08243a38a5bd53bNicolas Geoffray#include "side_effects_analysis.h" 473159674c0863f53cfbc1913d493550221ac47f02Nicolas Geoffray#include "ssa_builder.h" 487dc206a53a42a658f52d5cb0b7e79b47da370c9bNicolas Geoffray#include "ssa_phi_elimination.h" 49804d09372cc3d80d537da1489da4a45e0e19aa5dNicolas Geoffray#include "ssa_liveness_analysis.h" 5010e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle#include "reference_type_propagation.h" 51b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray 52b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffraynamespace art { 53b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray 54787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray/** 55787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray * Used by the code generator, to allocate the code in a vector. 56787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray */ 57787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffrayclass CodeVectorAllocator FINAL : public CodeAllocator { 58787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray public: 597c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe CodeVectorAllocator() : size_(0) {} 60787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 61787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray virtual uint8_t* Allocate(size_t size) { 62787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray size_ = size; 6392cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray memory_.resize(size); 64787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray return &memory_[0]; 65787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray } 66787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 67787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray size_t GetSize() const { return size_; } 6892cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray const std::vector<uint8_t>& GetMemory() const { return memory_; } 69787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 70787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray private: 71787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray std::vector<uint8_t> memory_; 72787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray size_t size_; 73787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 74787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray DISALLOW_COPY_AND_ASSIGN(CodeVectorAllocator); 75787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray}; 76787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 77f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray/** 78f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray * Filter to apply to the visualizer. Methods whose name contain that filter will 79ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil * be dumped. 80f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray */ 81f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffraystatic const char* kStringFilter = ""; 82f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray 83809658ec5c5515ae9eb87d32012ec5e088612949David Brazdilclass PassInfo; 84809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 855e8b137d28c840b128e2488f954cccee3e86db14David Brazdilclass PassInfoPrinter : public ValueObject { 865e8b137d28c840b128e2488f954cccee3e86db14David Brazdil public: 875e8b137d28c840b128e2488f954cccee3e86db14David Brazdil PassInfoPrinter(HGraph* graph, 885e8b137d28c840b128e2488f954cccee3e86db14David Brazdil const char* method_name, 895e8b137d28c840b128e2488f954cccee3e86db14David Brazdil const CodeGenerator& codegen, 905e8b137d28c840b128e2488f954cccee3e86db14David Brazdil std::ostream* visualizer_output, 91809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil CompilerDriver* compiler_driver) 925e8b137d28c840b128e2488f954cccee3e86db14David Brazdil : method_name_(method_name), 93809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil timing_logger_enabled_(compiler_driver->GetDumpPasses()), 945e8b137d28c840b128e2488f954cccee3e86db14David Brazdil timing_logger_(method_name, true, true), 95809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil visualizer_enabled_(!compiler_driver->GetDumpCfgFileName().empty()), 965e8b137d28c840b128e2488f954cccee3e86db14David Brazdil visualizer_(visualizer_output, graph, codegen, method_name_) { 975e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (strstr(method_name, kStringFilter) == nullptr) { 985e8b137d28c840b128e2488f954cccee3e86db14David Brazdil timing_logger_enabled_ = visualizer_enabled_ = false; 995e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1005e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1015e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 102809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil ~PassInfoPrinter() { 103809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil if (timing_logger_enabled_) { 104809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil LOG(INFO) << "TIMINGS " << method_name_; 105809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil LOG(INFO) << Dumpable<TimingLogger>(timing_logger_); 106809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 107809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 108809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 109809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil private: 110809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil void StartPass(const char* pass_name) { 1115e8b137d28c840b128e2488f954cccee3e86db14David Brazdil // Dump graph first, then start timer. 1125e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (visualizer_enabled_) { 1135e8b137d28c840b128e2488f954cccee3e86db14David Brazdil visualizer_.DumpGraph(pass_name, /* is_after_pass */ false); 1145e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1155e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (timing_logger_enabled_) { 1165e8b137d28c840b128e2488f954cccee3e86db14David Brazdil timing_logger_.StartTiming(pass_name); 1175e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1185e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1195e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 120809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil void EndPass(const char* pass_name) { 1215e8b137d28c840b128e2488f954cccee3e86db14David Brazdil // Pause timer first, then dump graph. 1225e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (timing_logger_enabled_) { 1235e8b137d28c840b128e2488f954cccee3e86db14David Brazdil timing_logger_.EndTiming(); 1245e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1255e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (visualizer_enabled_) { 1265e8b137d28c840b128e2488f954cccee3e86db14David Brazdil visualizer_.DumpGraph(pass_name, /* is_after_pass */ true); 1275e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1285e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1295e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 1305e8b137d28c840b128e2488f954cccee3e86db14David Brazdil const char* method_name_; 1315e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 1325e8b137d28c840b128e2488f954cccee3e86db14David Brazdil bool timing_logger_enabled_; 1335e8b137d28c840b128e2488f954cccee3e86db14David Brazdil TimingLogger timing_logger_; 1345e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 1355e8b137d28c840b128e2488f954cccee3e86db14David Brazdil bool visualizer_enabled_; 1365e8b137d28c840b128e2488f954cccee3e86db14David Brazdil HGraphVisualizer visualizer_; 1375e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 138809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil friend PassInfo; 139809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 1405e8b137d28c840b128e2488f954cccee3e86db14David Brazdil DISALLOW_COPY_AND_ASSIGN(PassInfoPrinter); 1415e8b137d28c840b128e2488f954cccee3e86db14David Brazdil}; 1425e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 143809658ec5c5515ae9eb87d32012ec5e088612949David Brazdilclass PassInfo : public ValueObject { 144809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil public: 145809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfo(const char *pass_name, PassInfoPrinter* pass_info_printer) 146809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil : pass_name_(pass_name), 147809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil pass_info_printer_(pass_info_printer) { 148809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil pass_info_printer_->StartPass(pass_name_); 149809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 150809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 151809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil ~PassInfo() { 152809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil pass_info_printer_->EndPass(pass_name_); 153809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 154809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 155809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil private: 156809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil const char* const pass_name_; 157809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfoPrinter* const pass_info_printer_; 158809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil}; 159809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 16053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampeclass OptimizingCompiler FINAL : public Compiler { 16153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe public: 16253c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe explicit OptimizingCompiler(CompilerDriver* driver); 16388157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray ~OptimizingCompiler(); 16453c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 16553c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file, CompilationUnit* cu) const 16653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe OVERRIDE; 16753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 16853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe CompiledMethod* Compile(const DexFile::CodeItem* code_item, 16953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uint32_t access_flags, 17053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe InvokeType invoke_type, 17153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uint16_t class_def_idx, 17253c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uint32_t method_idx, 17353c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe jobject class_loader, 17453c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe const DexFile& dex_file) const OVERRIDE; 17553c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 176216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray CompiledMethod* TryCompile(const DexFile::CodeItem* code_item, 177216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t access_flags, 178216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray InvokeType invoke_type, 179216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint16_t class_def_idx, 180216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t method_idx, 181216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray jobject class_loader, 182216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray const DexFile& dex_file) const; 183216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 18453c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe CompiledMethod* JniCompile(uint32_t access_flags, 18553c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uint32_t method_idx, 186216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray const DexFile& dex_file) const OVERRIDE { 187216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return ArtQuickJniCompileMethod(GetCompilerDriver(), access_flags, method_idx, dex_file); 188216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } 18953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 19053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const OVERRIDE 191216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 192216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCodePtrSize( 193216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray InstructionSetPointerSize(GetCompilerDriver()->GetInstructionSet()))); 194216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } 19553c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 19653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe bool WriteElf(art::File* file, 19753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe OatWriter* oat_writer, 19853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe const std::vector<const art::DexFile*>& dex_files, 19953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe const std::string& android_root, 200216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray bool is_host) const OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 201216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return art::ElfWriterQuick32::Create(file, oat_writer, dex_files, android_root, is_host, 202216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray *GetCompilerDriver()); 203216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } 20453c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 205216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray void InitCompilationUnit(CompilationUnit& cu) const OVERRIDE; 20653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 207ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil void Init() OVERRIDE; 20853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 209216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray void UnInit() const OVERRIDE; 21053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 21153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe private: 21288157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray // Whether we should run any optimization or register allocation. If false, will 21388157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray // just run the code generation after the graph was built. 21488157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray const bool run_optimizations_; 21548c2b03965830c73cdddeae8aea8030f08430137Calin Juravle 21612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray // Optimize and compile `graph`. 21712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompiledMethod* CompileOptimized(HGraph* graph, 21812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeGenerator* codegen, 21912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompilerDriver* driver, 220acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle const DexFile& dex_file, 22112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray const DexCompilationUnit& dex_compilation_unit, 2225e8b137d28c840b128e2488f954cccee3e86db14David Brazdil PassInfoPrinter* pass_info) const; 22312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 22412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray // Just compile without doing optimizations. 22512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompiledMethod* CompileBaseline(CodeGenerator* codegen, 22612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompilerDriver* driver, 22712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray const DexCompilationUnit& dex_compilation_unit) const; 22812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 22948c2b03965830c73cdddeae8aea8030f08430137Calin Juravle mutable OptimizingCompilerStats compilation_stats_; 23088157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray 23153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe std::unique_ptr<std::ostream> visualizer_output_; 23253c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 233216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray // Delegate to Quick in case the optimizing compiler cannot compile a method. 234216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray std::unique_ptr<Compiler> delegate_; 235216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 23653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe DISALLOW_COPY_AND_ASSIGN(OptimizingCompiler); 23753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe}; 23853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 23988157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffraystatic const int kMaximumCompilationTimeBeforeWarning = 100; /* ms */ 24088157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray 24188157efc1e16707d4ae10775d4acb15121c50fe7Nicolas GeoffrayOptimizingCompiler::OptimizingCompiler(CompilerDriver* driver) 24288157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray : Compiler(driver, kMaximumCompilationTimeBeforeWarning), 24388157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray run_optimizations_( 244a3d90fb449e2fba87211a7de323faff63cba41fcNicolas Geoffray (driver->GetCompilerOptions().GetCompilerFilter() != CompilerOptions::kTime) 245a3d90fb449e2fba87211a7de323faff63cba41fcNicolas Geoffray && !driver->GetCompilerOptions().GetDebuggable()), 246216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray compilation_stats_(), 247216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray delegate_(Create(driver, Compiler::Kind::kQuick)) {} 248ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil 249ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdilvoid OptimizingCompiler::Init() { 250216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray delegate_->Init(); 251ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil // Enable C1visualizer output. Must be done in Init() because the compiler 252ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil // driver is not fully initialized when passed to the compiler's constructor. 253ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil CompilerDriver* driver = GetCompilerDriver(); 254866c03125a3fcd74c9fff04da87865f5eb1767d9David Brazdil const std::string cfg_file_name = driver->GetDumpCfgFileName(); 255866c03125a3fcd74c9fff04da87865f5eb1767d9David Brazdil if (!cfg_file_name.empty()) { 256ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil CHECK_EQ(driver->GetThreadCount(), 1U) 257ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil << "Graph visualizer requires the compiler to run single-threaded. " 258ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil << "Invoke the compiler with '-j1'."; 259866c03125a3fcd74c9fff04da87865f5eb1767d9David Brazdil visualizer_output_.reset(new std::ofstream(cfg_file_name)); 260f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray } 261f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray} 262787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 263216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffrayvoid OptimizingCompiler::UnInit() const { 264216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray delegate_->UnInit(); 265216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray} 266216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 26788157efc1e16707d4ae10775d4acb15121c50fe7Nicolas GeoffrayOptimizingCompiler::~OptimizingCompiler() { 26848c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.Log(); 26988157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray} 27088157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray 271216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffrayvoid OptimizingCompiler::InitCompilationUnit(CompilationUnit& cu) const { 272216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray delegate_->InitCompilationUnit(cu); 273216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray} 274216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 275e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffraybool OptimizingCompiler::CanCompileMethod(uint32_t method_idx ATTRIBUTE_UNUSED, 276e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray const DexFile& dex_file ATTRIBUTE_UNUSED, 277e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray CompilationUnit* cu ATTRIBUTE_UNUSED) const { 278e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray return true; 27953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe} 28053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 2811ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffraystatic bool IsInstructionSetSupported(InstructionSet instruction_set) { 2821ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray return instruction_set == kArm64 2831ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray || (instruction_set == kThumb2 && !kArm32QuickCodeUseSoftFloat) 2841ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray || instruction_set == kX86 2851ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray || instruction_set == kX86_64; 2861ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray} 2871ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray 288de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffraystatic bool CanOptimize(const DexFile::CodeItem& code_item) { 289de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffray // TODO: We currently cannot optimize methods with try/catch. 290de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffray return code_item.tries_size_ == 0; 291de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffray} 292de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffray 29310e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravlestatic void RunOptimizations(HOptimization* optimizations[], 29410e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle size_t length, 295809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfoPrinter* pass_info_printer) { 29610e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle for (size_t i = 0; i < length; ++i) { 29710e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle HOptimization* optimization = optimizations[i]; 298809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 299809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfo pass_info(optimization->GetPassName(), pass_info_printer); 300809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil optimization->Run(); 301809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 30210e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle optimization->Check(); 30310e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle } 30410e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle} 30510e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle 306e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffraystatic void RunOptimizations(HGraph* graph, 307e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray CompilerDriver* driver, 308e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray OptimizingCompilerStats* stats, 309acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle const DexFile& dex_file, 310e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray const DexCompilationUnit& dex_compilation_unit, 311acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle PassInfoPrinter* pass_info_printer, 312acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle StackHandleScopeCollection* handles) { 313e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray HDeadCodeElimination dce(graph); 3149ee66183d8e046ea661f642ba884626f16b46e06Nicolas Geoffray HConstantFolding fold1(graph); 315acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle InstructionSimplifier simplify1(graph, stats); 316e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray 317e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray HInliner inliner(graph, dex_compilation_unit, driver, stats); 318e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray 3199ee66183d8e046ea661f642ba884626f16b46e06Nicolas Geoffray HConstantFolding fold2(graph); 32086dde1658a1951c251dd5c6ff21ecc5c281879a6Nicolas Geoffray SideEffectsAnalysis side_effects(graph); 32186dde1658a1951c251dd5c6ff21ecc5c281879a6Nicolas Geoffray GVNOptimization gvn(graph, side_effects); 32282091dad38f3e5bfaf3b6984c9ab73069fb68310Nicolas Geoffray LICM licm(graph, side_effects); 323f384f88d4d1e89df82f47fbc7245a8acc9c2d49cMingyao Yang BoundsCheckElimination bce(graph); 324acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle ReferenceTypePropagation type_propagation(graph, dex_file, dex_compilation_unit, handles); 325acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle InstructionSimplifier simplify2(graph, stats, "instruction_simplifier_after_types"); 3265e6916cea259897baaca019c5c7a5d05746306edNicolas Geoffray 32771fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe IntrinsicsRecognizer intrinsics(graph, dex_compilation_unit.GetDexFile(), driver); 32871fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe 3293159674c0863f53cfbc1913d493550221ac47f02Nicolas Geoffray HOptimization* optimizations[] = { 33071fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe &intrinsics, 331e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &dce, 3329ee66183d8e046ea661f642ba884626f16b46e06Nicolas Geoffray &fold1, 333e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &simplify1, 334e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &inliner, 3359ee66183d8e046ea661f642ba884626f16b46e06Nicolas Geoffray &fold2, 33686dde1658a1951c251dd5c6ff21ecc5c281879a6Nicolas Geoffray &side_effects, 337e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &gvn, 33882091dad38f3e5bfaf3b6984c9ab73069fb68310Nicolas Geoffray &licm, 339f384f88d4d1e89df82f47fbc7245a8acc9c2d49cMingyao Yang &bce, 34010e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle &type_propagation, 341e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &simplify2 3423159674c0863f53cfbc1913d493550221ac47f02Nicolas Geoffray }; 3435e6916cea259897baaca019c5c7a5d05746306edNicolas Geoffray 344809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil RunOptimizations(optimizations, arraysize(optimizations), pass_info_printer); 3455e6916cea259897baaca019c5c7a5d05746306edNicolas Geoffray} 3465e6916cea259897baaca019c5c7a5d05746306edNicolas Geoffray 347376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray// The stack map we generate must be 4-byte aligned on ARM. Since existing 348376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray// maps are generated alongside these stack maps, we must also align them. 349e21dc3db191df04c100620965bee4617b3b24397Andreas Gampestatic ArrayRef<const uint8_t> AlignVectorSize(std::vector<uint8_t>& vector) { 350376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray size_t size = vector.size(); 351376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray size_t aligned_size = RoundUp(size, 4); 352376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray for (; size < aligned_size; ++size) { 353376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray vector.push_back(0); 354376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray } 355e21dc3db191df04c100620965bee4617b3b24397Andreas Gampe return ArrayRef<const uint8_t>(vector); 356376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray} 357376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray 35812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 35912df9ebf72255544b0147c81b1dca6644a29764eNicolas GeoffrayCompiledMethod* OptimizingCompiler::CompileOptimized(HGraph* graph, 36012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeGenerator* codegen, 36112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompilerDriver* compiler_driver, 362acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle const DexFile& dex_file, 36312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray const DexCompilationUnit& dex_compilation_unit, 364809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfoPrinter* pass_info_printer) const { 365acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle StackHandleScopeCollection handles(Thread::Current()); 366acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle RunOptimizations(graph, compiler_driver, &compilation_stats_, 367acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle dex_file, dex_compilation_unit, pass_info_printer, &handles); 36812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 36912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray PrepareForRegisterAllocation(graph).Run(); 37012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray SsaLivenessAnalysis liveness(*graph, codegen); 371809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 3727c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe PassInfo pass_info(SsaLivenessAnalysis::kLivenessPassName, pass_info_printer); 373809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil liveness.Analyze(); 374809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 375809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 3767c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe PassInfo pass_info(RegisterAllocator::kRegisterAllocatorPassName, pass_info_printer); 377809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil RegisterAllocator(graph->GetArena(), codegen, liveness).AllocateRegisters(); 378809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 37912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 38012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeVectorAllocator allocator; 38112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->CompileOptimized(&allocator); 38212df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 38312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::vector<uint8_t> stack_map; 38412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->BuildStackMaps(&stack_map); 38512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 38612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray compilation_stats_.RecordStat(MethodCompilationStat::kCompiledOptimized); 38712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 38812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray return CompiledMethod::SwapAllocCompiledMethodStackMap( 38912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray compiler_driver, 39012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->GetInstructionSet(), 39112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray ArrayRef<const uint8_t>(allocator.GetMemory()), 392aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // Follow Quick's behavior and set the frame size to zero if it is 393aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // considered "empty" (see the definition of 394aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // art::CodeGenerator::HasEmptyFrame). 395aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), 39612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->GetCoreSpillMask(), 397d97dc40d186aec46bfd318b6a2026a98241d7e9cNicolas Geoffray codegen->GetFpuSpillMask(), 39812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray ArrayRef<const uint8_t>(stack_map)); 39912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray} 40012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 40112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 40212df9ebf72255544b0147c81b1dca6644a29764eNicolas GeoffrayCompiledMethod* OptimizingCompiler::CompileBaseline( 40312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeGenerator* codegen, 40412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompilerDriver* compiler_driver, 40512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray const DexCompilationUnit& dex_compilation_unit) const { 40612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeVectorAllocator allocator; 40712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->CompileBaseline(&allocator); 40812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 40912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::vector<uint8_t> mapping_table; 41012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray DefaultSrcMap src_mapping_table; 41112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray bool include_debug_symbol = compiler_driver->GetCompilerOptions().GetIncludeDebugSymbols(); 41212df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->BuildMappingTable(&mapping_table, include_debug_symbol ? &src_mapping_table : nullptr); 41312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::vector<uint8_t> vmap_table; 41412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->BuildVMapTable(&vmap_table); 41512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::vector<uint8_t> gc_map; 41612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->BuildNativeGCMap(&gc_map, dex_compilation_unit); 41712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 41812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray compilation_stats_.RecordStat(MethodCompilationStat::kCompiledBaseline); 419aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain return CompiledMethod::SwapAllocCompiledMethod( 420aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain compiler_driver, 421aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->GetInstructionSet(), 422aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain ArrayRef<const uint8_t>(allocator.GetMemory()), 423aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // Follow Quick's behavior and set the frame size to zero if it is 424aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // considered "empty" (see the definition of 425aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // art::CodeGenerator::HasEmptyFrame). 426aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), 427aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->GetCoreSpillMask(), 428aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->GetFpuSpillMask(), 429aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain &src_mapping_table, 430aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain AlignVectorSize(mapping_table), 431aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain AlignVectorSize(vmap_table), 432aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain AlignVectorSize(gc_map), 433aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain ArrayRef<const uint8_t>()); 43412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray} 43512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 436216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas GeoffrayCompiledMethod* OptimizingCompiler::TryCompile(const DexFile::CodeItem* code_item, 437216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t access_flags, 438216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray InvokeType invoke_type, 439216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint16_t class_def_idx, 440216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t method_idx, 441216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray jobject class_loader, 442216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray const DexFile& dex_file) const { 4436a3c1fcb4ba42ad4d5d142c17a3712a6ddd3866fIan Rogers UNUSED(invoke_type); 4445e8b137d28c840b128e2488f954cccee3e86db14David Brazdil std::string method_name = PrettyMethod(method_idx, dex_file); 44548c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kAttemptCompilation); 446cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle CompilerDriver* compiler_driver = GetCompilerDriver(); 447cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle InstructionSet instruction_set = compiler_driver->GetInstructionSet(); 4488d486731559ba0c5e12c27b4a507181333702b7eNicolas Geoffray // Always use the thumb2 assembler: some runtime functionality (like implicit stack 4498d486731559ba0c5e12c27b4a507181333702b7eNicolas Geoffray // overflow checks) assume thumb2. 4508d486731559ba0c5e12c27b4a507181333702b7eNicolas Geoffray if (instruction_set == kArm) { 4518d486731559ba0c5e12c27b4a507181333702b7eNicolas Geoffray instruction_set = kThumb2; 4528fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray } 4538fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray 4548fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray // Do not attempt to compile on architectures we do not support. 4551ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray if (!IsInstructionSetSupported(instruction_set)) { 45648c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledUnsupportedIsa); 4578fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray return nullptr; 4588fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray } 4598fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray 460b5f62b3dc5ac2731ba8ad53cdf3d9bdb14fbf86bNicolas Geoffray if (Compiler::IsPathologicalCase(*code_item, method_idx, dex_file)) { 46148c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledPathological); 462b5f62b3dc5ac2731ba8ad53cdf3d9bdb14fbf86bNicolas Geoffray return nullptr; 463b5f62b3dc5ac2731ba8ad53cdf3d9bdb14fbf86bNicolas Geoffray } 464b5f62b3dc5ac2731ba8ad53cdf3d9bdb14fbf86bNicolas Geoffray 46536540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray // Implementation of the space filter: do not compile a code item whose size in 46636540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray // code units is bigger than 256. 46736540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray static constexpr size_t kSpaceFilterOptimizingThreshold = 256; 46836540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray const CompilerOptions& compiler_options = compiler_driver->GetCompilerOptions(); 46936540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray if ((compiler_options.GetCompilerFilter() == CompilerOptions::kSpace) 47036540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray && (code_item->insns_size_in_code_units_ > kSpaceFilterOptimizingThreshold)) { 47136540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledSpaceFilter); 47236540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray return nullptr; 47336540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray } 47436540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray 47592cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray DexCompilationUnit dex_compilation_unit( 47692cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray nullptr, class_loader, art::Runtime::Current()->GetClassLinker(), dex_file, code_item, 47772d32629303f8f39362a4099481f48646aed042fIan Rogers class_def_idx, method_idx, access_flags, 478cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle compiler_driver->GetVerifiedMethod(&dex_file, method_idx)); 47992cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray 480579ea7d0d89a1d7f02c35ef1beb6328a37259735Nicolas Geoffray ArenaAllocator arena(Runtime::Current()->GetArenaPool()); 481e0fe7ae36180863e45cbb9d1e6e9c30b1b1a949cNicolas Geoffray HGraph* graph = new (&arena) HGraph( 482e0fe7ae36180863e45cbb9d1e6e9c30b1b1a949cNicolas Geoffray &arena, compiler_driver->GetCompilerOptions().GetDebuggable()); 483e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray 4848ccc3f5d06fd217cdaabd37e743adab2031d3720Nicolas Geoffray // For testing purposes, we put a special marker on method names that should be compiled 4858ccc3f5d06fd217cdaabd37e743adab2031d3720Nicolas Geoffray // with this compiler. This makes sure we're not regressing. 486e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray bool shouldCompile = method_name.find("$opt$") != std::string::npos; 487a3d90fb449e2fba87211a7de323faff63cba41fcNicolas Geoffray bool shouldOptimize = method_name.find("$opt$reg$") != std::string::npos && run_optimizations_; 4888ccc3f5d06fd217cdaabd37e743adab2031d3720Nicolas Geoffray 48912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::unique_ptr<CodeGenerator> codegen( 490cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle CodeGenerator::Create(graph, 491cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle instruction_set, 492cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle *compiler_driver->GetInstructionSetFeatures(), 493cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle compiler_driver->GetCompilerOptions())); 49412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray if (codegen.get() == nullptr) { 4955667fdbb6e441dee7534ade18b628ed396daf593Zheng Xu CHECK(!shouldCompile) << "Could not find code generator for optimizing compiler"; 49648c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledNoCodegen); 497787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray return nullptr; 498787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray } 499787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 500809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfoPrinter pass_info_printer(graph, 501809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil method_name.c_str(), 502809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil *codegen.get(), 503809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil visualizer_output_.get(), 504809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil compiler_driver); 5055e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 5065e8b137d28c840b128e2488f954cccee3e86db14David Brazdil HGraphBuilder builder(graph, 5075e8b137d28c840b128e2488f954cccee3e86db14David Brazdil &dex_compilation_unit, 5085e8b137d28c840b128e2488f954cccee3e86db14David Brazdil &dex_compilation_unit, 5095e8b137d28c840b128e2488f954cccee3e86db14David Brazdil &dex_file, 5105e8b137d28c840b128e2488f954cccee3e86db14David Brazdil compiler_driver, 5115e8b137d28c840b128e2488f954cccee3e86db14David Brazdil &compilation_stats_); 5125e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 5135e8b137d28c840b128e2488f954cccee3e86db14David Brazdil VLOG(compiler) << "Building " << method_name; 5145e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 515809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 5167c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe PassInfo pass_info(HGraphBuilder::kBuilderPassName, &pass_info_printer); 517809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil if (!builder.BuildGraph(*code_item)) { 518809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil CHECK(!shouldCompile) << "Could not build graph in optimizing compiler"; 519809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil return nullptr; 520809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 5215e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 522a7062e05e6048c7f817d784a5b94e3122e25b1ecNicolas Geoffray 52348c2b03965830c73cdddeae8aea8030f08430137Calin Juravle bool can_optimize = CanOptimize(*code_item); 52448c2b03965830c73cdddeae8aea8030f08430137Calin Juravle bool can_allocate_registers = RegisterAllocator::CanAllocateRegistersFor(*graph, instruction_set); 525216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 526216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray // `run_optimizations_` is set explicitly (either through a compiler filter 527216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray // or the debuggable flag). If it is set, we can run baseline. Otherwise, we fall back 528216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray // to Quick. 529216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray bool can_use_baseline = !run_optimizations_; 53048c2b03965830c73cdddeae8aea8030f08430137Calin Juravle if (run_optimizations_ && can_optimize && can_allocate_registers) { 5315e8b137d28c840b128e2488f954cccee3e86db14David Brazdil VLOG(compiler) << "Optimizing " << method_name; 5325e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 533809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 5347c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe PassInfo pass_info(SsaBuilder::kSsaBuilderPassName, &pass_info_printer); 535809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil if (!graph->TryBuildingSsa()) { 536809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil // We could not transform the graph to SSA, bailout. 537809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil LOG(INFO) << "Skipping compilation of " << method_name << ": it contains a non natural loop"; 538809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledCannotBuildSSA); 539809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil return nullptr; 540809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 541f537012ceb6cba8a78b36a5065beb9588451a250Nicolas Geoffray } 5425e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 5435e8b137d28c840b128e2488f954cccee3e86db14David Brazdil return CompileOptimized(graph, 5445e8b137d28c840b128e2488f954cccee3e86db14David Brazdil codegen.get(), 5455e8b137d28c840b128e2488f954cccee3e86db14David Brazdil compiler_driver, 546acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle dex_file, 5475e8b137d28c840b128e2488f954cccee3e86db14David Brazdil dex_compilation_unit, 548809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil &pass_info_printer); 549234d69d075d1608f80adb647f7935077b62b6376Nicolas Geoffray } else if (shouldOptimize && can_allocate_registers) { 55086dbb9a12119273039ce272b41c809fa548b37b6Nicolas Geoffray LOG(FATAL) << "Could not allocate registers in optimizing compiler"; 5515667fdbb6e441dee7534ade18b628ed396daf593Zheng Xu UNREACHABLE(); 552216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } else if (can_use_baseline) { 5535e8b137d28c840b128e2488f954cccee3e86db14David Brazdil VLOG(compiler) << "Compile baseline " << method_name; 55448c2b03965830c73cdddeae8aea8030f08430137Calin Juravle 55548c2b03965830c73cdddeae8aea8030f08430137Calin Juravle if (!run_optimizations_) { 55648c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotOptimizedDisabled); 55748c2b03965830c73cdddeae8aea8030f08430137Calin Juravle } else if (!can_optimize) { 55848c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotOptimizedTryCatch); 55948c2b03965830c73cdddeae8aea8030f08430137Calin Juravle } else if (!can_allocate_registers) { 56048c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotOptimizedRegisterAllocator); 56148c2b03965830c73cdddeae8aea8030f08430137Calin Juravle } 56248c2b03965830c73cdddeae8aea8030f08430137Calin Juravle 5635e8b137d28c840b128e2488f954cccee3e86db14David Brazdil return CompileBaseline(codegen.get(), compiler_driver, dex_compilation_unit); 564216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } else { 565216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return nullptr; 566216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } 567216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray} 568216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 569216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas GeoffrayCompiledMethod* OptimizingCompiler::Compile(const DexFile::CodeItem* code_item, 570216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t access_flags, 571216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray InvokeType invoke_type, 572216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint16_t class_def_idx, 573216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t method_idx, 574216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray jobject class_loader, 575216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray const DexFile& dex_file) const { 576216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray CompiledMethod* method = TryCompile(code_item, access_flags, invoke_type, class_def_idx, 577216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray method_idx, class_loader, dex_file); 578216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray if (method != nullptr) { 579216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return method; 5803946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray } 581216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return delegate_->Compile(code_item, access_flags, invoke_type, class_def_idx, method_idx, 582216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray class_loader, dex_file); 583b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray} 584b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray 58553c913bb71b218714823c8c87a1f92830c336f61Andreas GampeCompiler* CreateOptimizingCompiler(CompilerDriver* driver) { 58653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe return new OptimizingCompiler(driver); 58753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe} 58853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 589b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray} // namespace art 590