optimizing_compiler.cc revision 9437b78780f9e6ffa5797ebe82de8e8d7f3a5ed6
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" 2546e2a3915aa68c77426b71e95b9f3658250646b7David Brazdil#include "boolean_simplifier.h" 26f384f88d4d1e89df82f47fbc7245a8acc9c2d49cMingyao Yang#include "bounds_check_elimination.h" 27787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include "builder.h" 28787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include "code_generator.h" 2953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe#include "compiler.h" 3075be28332b278cff9039b54bfb228ac72f539cccRoland Levillain#include "constant_folding.h" 3175be28332b278cff9039b54bfb228ac72f539cccRoland Levillain#include "dead_code_elimination.h" 3271fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe#include "dex/quick/dex_file_to_method_inliner_map.h" 33787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include "driver/compiler_driver.h" 3492cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray#include "driver/dex_compilation_unit.h" 35e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray#include "elf_writer_quick.h" 36f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray#include "graph_visualizer.h" 37d31cf3d55a0847c018c4eaa2b349b8eea509de64Nicolas Geoffray#include "gvn.h" 38e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray#include "inliner.h" 393c04974a90b0e03f4b509010bff49f0b2a3da57fNicolas Geoffray#include "instruction_simplifier.h" 4071fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe#include "intrinsics.h" 4182091dad38f3e5bfaf3b6984c9ab73069fb68310Nicolas Geoffray#include "licm.h" 42e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray#include "jni/quick/jni_compiler.h" 43e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray#include "mirror/art_method-inl.h" 44787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray#include "nodes.h" 4526a25ef62a13f409f941aa39825a51b4d6f0f047Nicolas Geoffray#include "prepare_for_register_allocation.h" 46a7062e05e6048c7f817d784a5b94e3122e25b1ecNicolas Geoffray#include "register_allocator.h" 47827eedbfa882496407375f22b08243a38a5bd53bNicolas Geoffray#include "side_effects_analysis.h" 483159674c0863f53cfbc1913d493550221ac47f02Nicolas Geoffray#include "ssa_builder.h" 497dc206a53a42a658f52d5cb0b7e79b47da370c9bNicolas Geoffray#include "ssa_phi_elimination.h" 50804d09372cc3d80d537da1489da4a45e0e19aa5dNicolas Geoffray#include "ssa_liveness_analysis.h" 5110e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle#include "reference_type_propagation.h" 52b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray 53b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffraynamespace art { 54b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray 55787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray/** 56787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray * Used by the code generator, to allocate the code in a vector. 57787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray */ 58787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffrayclass CodeVectorAllocator FINAL : public CodeAllocator { 59787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray public: 607c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe CodeVectorAllocator() : size_(0) {} 61787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 62787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray virtual uint8_t* Allocate(size_t size) { 63787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray size_ = size; 6492cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray memory_.resize(size); 65787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray return &memory_[0]; 66787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray } 67787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 68787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray size_t GetSize() const { return size_; } 6992cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray const std::vector<uint8_t>& GetMemory() const { return memory_; } 70787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 71787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray private: 72787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray std::vector<uint8_t> memory_; 73787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray size_t size_; 74787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 75787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray DISALLOW_COPY_AND_ASSIGN(CodeVectorAllocator); 76787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray}; 77787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 78f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray/** 79f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray * Filter to apply to the visualizer. Methods whose name contain that filter will 80ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil * be dumped. 81f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray */ 82f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffraystatic const char* kStringFilter = ""; 83f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray 84809658ec5c5515ae9eb87d32012ec5e088612949David Brazdilclass PassInfo; 85809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 865e8b137d28c840b128e2488f954cccee3e86db14David Brazdilclass PassInfoPrinter : public ValueObject { 875e8b137d28c840b128e2488f954cccee3e86db14David Brazdil public: 885e8b137d28c840b128e2488f954cccee3e86db14David Brazdil PassInfoPrinter(HGraph* graph, 895e8b137d28c840b128e2488f954cccee3e86db14David Brazdil const char* method_name, 905e8b137d28c840b128e2488f954cccee3e86db14David Brazdil const CodeGenerator& codegen, 915e8b137d28c840b128e2488f954cccee3e86db14David Brazdil std::ostream* visualizer_output, 92809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil CompilerDriver* compiler_driver) 935e8b137d28c840b128e2488f954cccee3e86db14David Brazdil : method_name_(method_name), 94809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil timing_logger_enabled_(compiler_driver->GetDumpPasses()), 955e8b137d28c840b128e2488f954cccee3e86db14David Brazdil timing_logger_(method_name, true, true), 96809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil visualizer_enabled_(!compiler_driver->GetDumpCfgFileName().empty()), 975e8b137d28c840b128e2488f954cccee3e86db14David Brazdil visualizer_(visualizer_output, graph, codegen, method_name_) { 985e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (strstr(method_name, kStringFilter) == nullptr) { 995e8b137d28c840b128e2488f954cccee3e86db14David Brazdil timing_logger_enabled_ = visualizer_enabled_ = false; 1005e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1015e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1025e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 103809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil ~PassInfoPrinter() { 104809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil if (timing_logger_enabled_) { 105809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil LOG(INFO) << "TIMINGS " << method_name_; 106809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil LOG(INFO) << Dumpable<TimingLogger>(timing_logger_); 107809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 108809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 109809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 110809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil private: 111809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil void StartPass(const char* pass_name) { 1125e8b137d28c840b128e2488f954cccee3e86db14David Brazdil // Dump graph first, then start timer. 1135e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (visualizer_enabled_) { 1145e8b137d28c840b128e2488f954cccee3e86db14David Brazdil visualizer_.DumpGraph(pass_name, /* is_after_pass */ false); 1155e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1165e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (timing_logger_enabled_) { 1175e8b137d28c840b128e2488f954cccee3e86db14David Brazdil timing_logger_.StartTiming(pass_name); 1185e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1195e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1205e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 121809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil void EndPass(const char* pass_name) { 1225e8b137d28c840b128e2488f954cccee3e86db14David Brazdil // Pause timer first, then dump graph. 1235e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (timing_logger_enabled_) { 1245e8b137d28c840b128e2488f954cccee3e86db14David Brazdil timing_logger_.EndTiming(); 1255e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1265e8b137d28c840b128e2488f954cccee3e86db14David Brazdil if (visualizer_enabled_) { 1275e8b137d28c840b128e2488f954cccee3e86db14David Brazdil visualizer_.DumpGraph(pass_name, /* is_after_pass */ true); 1285e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1295e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 1305e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 1315e8b137d28c840b128e2488f954cccee3e86db14David Brazdil const char* method_name_; 1325e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 1335e8b137d28c840b128e2488f954cccee3e86db14David Brazdil bool timing_logger_enabled_; 1345e8b137d28c840b128e2488f954cccee3e86db14David Brazdil TimingLogger timing_logger_; 1355e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 1365e8b137d28c840b128e2488f954cccee3e86db14David Brazdil bool visualizer_enabled_; 1375e8b137d28c840b128e2488f954cccee3e86db14David Brazdil HGraphVisualizer visualizer_; 1385e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 139809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil friend PassInfo; 140809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 1415e8b137d28c840b128e2488f954cccee3e86db14David Brazdil DISALLOW_COPY_AND_ASSIGN(PassInfoPrinter); 1425e8b137d28c840b128e2488f954cccee3e86db14David Brazdil}; 1435e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 144809658ec5c5515ae9eb87d32012ec5e088612949David Brazdilclass PassInfo : public ValueObject { 145809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil public: 146809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfo(const char *pass_name, PassInfoPrinter* pass_info_printer) 147809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil : pass_name_(pass_name), 148809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil pass_info_printer_(pass_info_printer) { 149809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil pass_info_printer_->StartPass(pass_name_); 150809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 151809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 152809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil ~PassInfo() { 153809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil pass_info_printer_->EndPass(pass_name_); 154809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 155809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 156809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil private: 157809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil const char* const pass_name_; 158809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfoPrinter* const pass_info_printer_; 159809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil}; 160809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil 16153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampeclass OptimizingCompiler FINAL : public Compiler { 16253c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe public: 16353c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe explicit OptimizingCompiler(CompilerDriver* driver); 16488157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray ~OptimizingCompiler(); 16553c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 16653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file, CompilationUnit* cu) const 16753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe OVERRIDE; 16853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 16953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe CompiledMethod* Compile(const DexFile::CodeItem* code_item, 17053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uint32_t access_flags, 17153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe InvokeType invoke_type, 17253c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uint16_t class_def_idx, 17353c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uint32_t method_idx, 17453c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe jobject class_loader, 17553c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe const DexFile& dex_file) const OVERRIDE; 17653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 177216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray CompiledMethod* TryCompile(const DexFile::CodeItem* code_item, 178216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t access_flags, 179216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray InvokeType invoke_type, 180216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint16_t class_def_idx, 181216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t method_idx, 182216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray jobject class_loader, 183216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray const DexFile& dex_file) const; 184216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 18553c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe CompiledMethod* JniCompile(uint32_t access_flags, 18653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uint32_t method_idx, 187216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray const DexFile& dex_file) const OVERRIDE { 188216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return ArtQuickJniCompileMethod(GetCompilerDriver(), access_flags, method_idx, dex_file); 189216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } 19053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 19153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const OVERRIDE 192216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 193216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return reinterpret_cast<uintptr_t>(method->GetEntryPointFromQuickCompiledCodePtrSize( 194216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray InstructionSetPointerSize(GetCompilerDriver()->GetInstructionSet()))); 195216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } 19653c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 19753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe bool WriteElf(art::File* file, 19853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe OatWriter* oat_writer, 19953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe const std::vector<const art::DexFile*>& dex_files, 20053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe const std::string& android_root, 201216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray bool is_host) const OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 202216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return art::ElfWriterQuick32::Create(file, oat_writer, dex_files, android_root, is_host, 203216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray *GetCompilerDriver()); 204216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } 20553c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 206216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray void InitCompilationUnit(CompilationUnit& cu) const OVERRIDE; 20753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 208ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil void Init() OVERRIDE; 20953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 210216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray void UnInit() const OVERRIDE; 21153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 21253c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe private: 21388157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray // Whether we should run any optimization or register allocation. If false, will 21488157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray // just run the code generation after the graph was built. 21588157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray const bool run_optimizations_; 21648c2b03965830c73cdddeae8aea8030f08430137Calin Juravle 21712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray // Optimize and compile `graph`. 21812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompiledMethod* CompileOptimized(HGraph* graph, 21912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeGenerator* codegen, 22012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompilerDriver* driver, 221acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle const DexFile& dex_file, 22212df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray const DexCompilationUnit& dex_compilation_unit, 2235e8b137d28c840b128e2488f954cccee3e86db14David Brazdil PassInfoPrinter* pass_info) const; 22412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 22512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray // Just compile without doing optimizations. 22612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompiledMethod* CompileBaseline(CodeGenerator* codegen, 22712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompilerDriver* driver, 22812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray const DexCompilationUnit& dex_compilation_unit) const; 22912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 23048c2b03965830c73cdddeae8aea8030f08430137Calin Juravle mutable OptimizingCompilerStats compilation_stats_; 23188157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray 23253c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe std::unique_ptr<std::ostream> visualizer_output_; 23353c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 234216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray // Delegate to Quick in case the optimizing compiler cannot compile a method. 235216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray std::unique_ptr<Compiler> delegate_; 236216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 23753c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe DISALLOW_COPY_AND_ASSIGN(OptimizingCompiler); 23853c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe}; 23953c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 24088157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffraystatic const int kMaximumCompilationTimeBeforeWarning = 100; /* ms */ 24188157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray 24288157efc1e16707d4ae10775d4acb15121c50fe7Nicolas GeoffrayOptimizingCompiler::OptimizingCompiler(CompilerDriver* driver) 24388157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray : Compiler(driver, kMaximumCompilationTimeBeforeWarning), 24488157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray run_optimizations_( 245a3d90fb449e2fba87211a7de323faff63cba41fcNicolas Geoffray (driver->GetCompilerOptions().GetCompilerFilter() != CompilerOptions::kTime) 246a3d90fb449e2fba87211a7de323faff63cba41fcNicolas Geoffray && !driver->GetCompilerOptions().GetDebuggable()), 247216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray compilation_stats_(), 248216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray delegate_(Create(driver, Compiler::Kind::kQuick)) {} 249ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil 250ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdilvoid OptimizingCompiler::Init() { 251216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray delegate_->Init(); 252ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil // Enable C1visualizer output. Must be done in Init() because the compiler 253ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil // driver is not fully initialized when passed to the compiler's constructor. 254ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil CompilerDriver* driver = GetCompilerDriver(); 255866c03125a3fcd74c9fff04da87865f5eb1767d9David Brazdil const std::string cfg_file_name = driver->GetDumpCfgFileName(); 256866c03125a3fcd74c9fff04da87865f5eb1767d9David Brazdil if (!cfg_file_name.empty()) { 257ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil CHECK_EQ(driver->GetThreadCount(), 1U) 258ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil << "Graph visualizer requires the compiler to run single-threaded. " 259ee690a3dd364c025ebc1767d9f84097bb7473eecDavid Brazdil << "Invoke the compiler with '-j1'."; 260866c03125a3fcd74c9fff04da87865f5eb1767d9David Brazdil visualizer_output_.reset(new std::ofstream(cfg_file_name)); 261f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray } 262f635e63318447ca04731b265a86a573c9ed1737cNicolas Geoffray} 263787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 264216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffrayvoid OptimizingCompiler::UnInit() const { 265216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray delegate_->UnInit(); 266216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray} 267216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 26888157efc1e16707d4ae10775d4acb15121c50fe7Nicolas GeoffrayOptimizingCompiler::~OptimizingCompiler() { 26948c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.Log(); 27088157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray} 27188157efc1e16707d4ae10775d4acb15121c50fe7Nicolas Geoffray 272216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffrayvoid OptimizingCompiler::InitCompilationUnit(CompilationUnit& cu) const { 273216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray delegate_->InitCompilationUnit(cu); 274216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray} 275216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 276e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffraybool OptimizingCompiler::CanCompileMethod(uint32_t method_idx ATTRIBUTE_UNUSED, 277e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray const DexFile& dex_file ATTRIBUTE_UNUSED, 278e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray CompilationUnit* cu ATTRIBUTE_UNUSED) const { 279e2dc6fa7aa319ee892d6ed407c986c5a3ec3dcd7Nicolas Geoffray return true; 28053c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe} 28153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 2821ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffraystatic bool IsInstructionSetSupported(InstructionSet instruction_set) { 2831ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray return instruction_set == kArm64 2841ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray || (instruction_set == kThumb2 && !kArm32QuickCodeUseSoftFloat) 2851ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray || instruction_set == kX86 2861ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray || instruction_set == kX86_64; 2871ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray} 2881ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray 289de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffraystatic bool CanOptimize(const DexFile::CodeItem& code_item) { 290de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffray // TODO: We currently cannot optimize methods with try/catch. 291de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffray return code_item.tries_size_ == 0; 292de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffray} 293de58ab2c03ff8112b07ab827c8fa38f670dfc656Nicolas Geoffray 29410e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravlestatic void RunOptimizations(HOptimization* optimizations[], 29510e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle size_t length, 296809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfoPrinter* pass_info_printer) { 29710e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle for (size_t i = 0; i < length; ++i) { 29810e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle HOptimization* optimization = optimizations[i]; 299809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 300809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfo pass_info(optimization->GetPassName(), pass_info_printer); 301809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil optimization->Run(); 302809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 30310e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle optimization->Check(); 30410e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle } 30510e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle} 30610e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle 307e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffraystatic void RunOptimizations(HGraph* graph, 308e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray CompilerDriver* driver, 309e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray OptimizingCompilerStats* stats, 310acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle const DexFile& dex_file, 311e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray const DexCompilationUnit& dex_compilation_unit, 312acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle PassInfoPrinter* pass_info_printer, 313acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle StackHandleScopeCollection* handles) { 314e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray HDeadCodeElimination dce(graph); 3159ee66183d8e046ea661f642ba884626f16b46e06Nicolas Geoffray HConstantFolding fold1(graph); 316acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle InstructionSimplifier simplify1(graph, stats); 31746e2a3915aa68c77426b71e95b9f3658250646b7David Brazdil HBooleanSimplifier boolean_not(graph); 318e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray 3199437b78780f9e6ffa5797ebe82de8e8d7f3a5ed6Nicolas Geoffray HInliner inliner(graph, dex_compilation_unit, dex_compilation_unit, driver, stats); 320e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray 3219ee66183d8e046ea661f642ba884626f16b46e06Nicolas Geoffray HConstantFolding fold2(graph); 32286dde1658a1951c251dd5c6ff21ecc5c281879a6Nicolas Geoffray SideEffectsAnalysis side_effects(graph); 32386dde1658a1951c251dd5c6ff21ecc5c281879a6Nicolas Geoffray GVNOptimization gvn(graph, side_effects); 32482091dad38f3e5bfaf3b6984c9ab73069fb68310Nicolas Geoffray LICM licm(graph, side_effects); 325f384f88d4d1e89df82f47fbc7245a8acc9c2d49cMingyao Yang BoundsCheckElimination bce(graph); 326acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle ReferenceTypePropagation type_propagation(graph, dex_file, dex_compilation_unit, handles); 327acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle InstructionSimplifier simplify2(graph, stats, "instruction_simplifier_after_types"); 3285e6916cea259897baaca019c5c7a5d05746306edNicolas Geoffray 32971fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe IntrinsicsRecognizer intrinsics(graph, dex_compilation_unit.GetDexFile(), driver); 33071fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe 3313159674c0863f53cfbc1913d493550221ac47f02Nicolas Geoffray HOptimization* optimizations[] = { 33271fb52fee246b7d511f520febbd73dc7a9bbca79Andreas Gampe &intrinsics, 333e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &dce, 3349ee66183d8e046ea661f642ba884626f16b46e06Nicolas Geoffray &fold1, 335e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &simplify1, 33646e2a3915aa68c77426b71e95b9f3658250646b7David Brazdil // BooleanSimplifier depends on the InstructionSimplifier removing redundant 33746e2a3915aa68c77426b71e95b9f3658250646b7David Brazdil // suspend checks to recognize empty blocks. 33846e2a3915aa68c77426b71e95b9f3658250646b7David Brazdil &boolean_not, 339e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &inliner, 3409ee66183d8e046ea661f642ba884626f16b46e06Nicolas Geoffray &fold2, 34186dde1658a1951c251dd5c6ff21ecc5c281879a6Nicolas Geoffray &side_effects, 342e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &gvn, 34382091dad38f3e5bfaf3b6984c9ab73069fb68310Nicolas Geoffray &licm, 344f384f88d4d1e89df82f47fbc7245a8acc9c2d49cMingyao Yang &bce, 34510e244f9e7f6d96a95c910a2bedef5bd3810c637Calin Juravle &type_propagation, 346e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray &simplify2 3473159674c0863f53cfbc1913d493550221ac47f02Nicolas Geoffray }; 3485e6916cea259897baaca019c5c7a5d05746306edNicolas Geoffray 349809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil RunOptimizations(optimizations, arraysize(optimizations), pass_info_printer); 3505e6916cea259897baaca019c5c7a5d05746306edNicolas Geoffray} 3515e6916cea259897baaca019c5c7a5d05746306edNicolas Geoffray 352376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray// The stack map we generate must be 4-byte aligned on ARM. Since existing 353376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray// maps are generated alongside these stack maps, we must also align them. 354e21dc3db191df04c100620965bee4617b3b24397Andreas Gampestatic ArrayRef<const uint8_t> AlignVectorSize(std::vector<uint8_t>& vector) { 355376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray size_t size = vector.size(); 356376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray size_t aligned_size = RoundUp(size, 4); 357376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray for (; size < aligned_size; ++size) { 358376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray vector.push_back(0); 359376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray } 360e21dc3db191df04c100620965bee4617b3b24397Andreas Gampe return ArrayRef<const uint8_t>(vector); 361376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray} 362376b2bbf7c39108223a7a01568a7b4b04d84eeacNicolas Geoffray 36312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 36412df9ebf72255544b0147c81b1dca6644a29764eNicolas GeoffrayCompiledMethod* OptimizingCompiler::CompileOptimized(HGraph* graph, 36512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeGenerator* codegen, 36612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompilerDriver* compiler_driver, 367acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle const DexFile& dex_file, 36812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray const DexCompilationUnit& dex_compilation_unit, 369809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfoPrinter* pass_info_printer) const { 370acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle StackHandleScopeCollection handles(Thread::Current()); 371acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle RunOptimizations(graph, compiler_driver, &compilation_stats_, 372acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle dex_file, dex_compilation_unit, pass_info_printer, &handles); 37312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 37412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray PrepareForRegisterAllocation(graph).Run(); 37512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray SsaLivenessAnalysis liveness(*graph, codegen); 376809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 3777c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe PassInfo pass_info(SsaLivenessAnalysis::kLivenessPassName, pass_info_printer); 378809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil liveness.Analyze(); 379809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 380809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 3817c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe PassInfo pass_info(RegisterAllocator::kRegisterAllocatorPassName, pass_info_printer); 382809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil RegisterAllocator(graph->GetArena(), codegen, liveness).AllocateRegisters(); 383809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 38412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 38512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeVectorAllocator allocator; 38612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->CompileOptimized(&allocator); 38712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 38812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::vector<uint8_t> stack_map; 38912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->BuildStackMaps(&stack_map); 39012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 39112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray compilation_stats_.RecordStat(MethodCompilationStat::kCompiledOptimized); 39212df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 39312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray return CompiledMethod::SwapAllocCompiledMethodStackMap( 39412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray compiler_driver, 39512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->GetInstructionSet(), 39612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray ArrayRef<const uint8_t>(allocator.GetMemory()), 397aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // Follow Quick's behavior and set the frame size to zero if it is 398aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // considered "empty" (see the definition of 399aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // art::CodeGenerator::HasEmptyFrame). 400aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), 40112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->GetCoreSpillMask(), 402d97dc40d186aec46bfd318b6a2026a98241d7e9cNicolas Geoffray codegen->GetFpuSpillMask(), 40312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray ArrayRef<const uint8_t>(stack_map)); 40412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray} 40512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 40612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 40712df9ebf72255544b0147c81b1dca6644a29764eNicolas GeoffrayCompiledMethod* OptimizingCompiler::CompileBaseline( 40812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeGenerator* codegen, 40912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CompilerDriver* compiler_driver, 41012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray const DexCompilationUnit& dex_compilation_unit) const { 41112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray CodeVectorAllocator allocator; 41212df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->CompileBaseline(&allocator); 41312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 41412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::vector<uint8_t> mapping_table; 41512df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray DefaultSrcMap src_mapping_table; 41612df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray bool include_debug_symbol = compiler_driver->GetCompilerOptions().GetIncludeDebugSymbols(); 41712df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->BuildMappingTable(&mapping_table, include_debug_symbol ? &src_mapping_table : nullptr); 41812df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::vector<uint8_t> vmap_table; 41912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->BuildVMapTable(&vmap_table); 42012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::vector<uint8_t> gc_map; 42112df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray codegen->BuildNativeGCMap(&gc_map, dex_compilation_unit); 42212df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 42312df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray compilation_stats_.RecordStat(MethodCompilationStat::kCompiledBaseline); 424aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain return CompiledMethod::SwapAllocCompiledMethod( 425aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain compiler_driver, 426aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->GetInstructionSet(), 427aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain ArrayRef<const uint8_t>(allocator.GetMemory()), 428aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // Follow Quick's behavior and set the frame size to zero if it is 429aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // considered "empty" (see the definition of 430aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain // art::CodeGenerator::HasEmptyFrame). 431aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->HasEmptyFrame() ? 0 : codegen->GetFrameSize(), 432aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->GetCoreSpillMask(), 433aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain codegen->GetFpuSpillMask(), 434aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain &src_mapping_table, 435aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain AlignVectorSize(mapping_table), 436aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain AlignVectorSize(vmap_table), 437aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain AlignVectorSize(gc_map), 438aa9b7c48069699e2aabedc6c0f62cb131fee0c73Roland Levillain ArrayRef<const uint8_t>()); 43912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray} 44012df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray 441216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas GeoffrayCompiledMethod* OptimizingCompiler::TryCompile(const DexFile::CodeItem* code_item, 442216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t access_flags, 443216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray InvokeType invoke_type, 444216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint16_t class_def_idx, 445216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t method_idx, 446216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray jobject class_loader, 447216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray const DexFile& dex_file) const { 4486a3c1fcb4ba42ad4d5d142c17a3712a6ddd3866fIan Rogers UNUSED(invoke_type); 4495e8b137d28c840b128e2488f954cccee3e86db14David Brazdil std::string method_name = PrettyMethod(method_idx, dex_file); 45048c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kAttemptCompilation); 451cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle CompilerDriver* compiler_driver = GetCompilerDriver(); 452cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle InstructionSet instruction_set = compiler_driver->GetInstructionSet(); 4538d486731559ba0c5e12c27b4a507181333702b7eNicolas Geoffray // Always use the thumb2 assembler: some runtime functionality (like implicit stack 4548d486731559ba0c5e12c27b4a507181333702b7eNicolas Geoffray // overflow checks) assume thumb2. 4558d486731559ba0c5e12c27b4a507181333702b7eNicolas Geoffray if (instruction_set == kArm) { 4568d486731559ba0c5e12c27b4a507181333702b7eNicolas Geoffray instruction_set = kThumb2; 4578fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray } 4588fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray 4598fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray // Do not attempt to compile on architectures we do not support. 4601ba0f596e9e4ddd778ab431237d11baa85594ebaNicolas Geoffray if (!IsInstructionSetSupported(instruction_set)) { 46148c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledUnsupportedIsa); 4628fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray return nullptr; 4638fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray } 4648fb5ce3a7e1dec587642f900be86729c10224174Nicolas Geoffray 465b5f62b3dc5ac2731ba8ad53cdf3d9bdb14fbf86bNicolas Geoffray if (Compiler::IsPathologicalCase(*code_item, method_idx, dex_file)) { 46648c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledPathological); 467b5f62b3dc5ac2731ba8ad53cdf3d9bdb14fbf86bNicolas Geoffray return nullptr; 468b5f62b3dc5ac2731ba8ad53cdf3d9bdb14fbf86bNicolas Geoffray } 469b5f62b3dc5ac2731ba8ad53cdf3d9bdb14fbf86bNicolas Geoffray 47036540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray // Implementation of the space filter: do not compile a code item whose size in 47136540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray // code units is bigger than 256. 47236540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray static constexpr size_t kSpaceFilterOptimizingThreshold = 256; 47336540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray const CompilerOptions& compiler_options = compiler_driver->GetCompilerOptions(); 47436540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray if ((compiler_options.GetCompilerFilter() == CompilerOptions::kSpace) 47536540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray && (code_item->insns_size_in_code_units_ > kSpaceFilterOptimizingThreshold)) { 47636540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledSpaceFilter); 47736540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray return nullptr; 47836540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray } 47936540cb4d549c706cc7cd23086684f1548a91042Nicolas Geoffray 48092cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray DexCompilationUnit dex_compilation_unit( 48192cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray nullptr, class_loader, art::Runtime::Current()->GetClassLinker(), dex_file, code_item, 48272d32629303f8f39362a4099481f48646aed042fIan Rogers class_def_idx, method_idx, access_flags, 483cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle compiler_driver->GetVerifiedMethod(&dex_file, method_idx)); 48492cf83e001357329cbf41fa15a6e053fab6f4933Nicolas Geoffray 485579ea7d0d89a1d7f02c35ef1beb6328a37259735Nicolas Geoffray ArenaAllocator arena(Runtime::Current()->GetArenaPool()); 486e0fe7ae36180863e45cbb9d1e6e9c30b1b1a949cNicolas Geoffray HGraph* graph = new (&arena) HGraph( 487e0fe7ae36180863e45cbb9d1e6e9c30b1b1a949cNicolas Geoffray &arena, compiler_driver->GetCompilerOptions().GetDebuggable()); 488e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray 4898ccc3f5d06fd217cdaabd37e743adab2031d3720Nicolas Geoffray // For testing purposes, we put a special marker on method names that should be compiled 4908ccc3f5d06fd217cdaabd37e743adab2031d3720Nicolas Geoffray // with this compiler. This makes sure we're not regressing. 491e53798a7e3267305f696bf658e418c92e63e0834Nicolas Geoffray bool shouldCompile = method_name.find("$opt$") != std::string::npos; 492a3d90fb449e2fba87211a7de323faff63cba41fcNicolas Geoffray bool shouldOptimize = method_name.find("$opt$reg$") != std::string::npos && run_optimizations_; 4938ccc3f5d06fd217cdaabd37e743adab2031d3720Nicolas Geoffray 49412df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray std::unique_ptr<CodeGenerator> codegen( 495cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle CodeGenerator::Create(graph, 496cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle instruction_set, 497cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle *compiler_driver->GetInstructionSetFeatures(), 498cd6dffedf1bd8e6dfb3fb0c933551f9a90f7de3fCalin Juravle compiler_driver->GetCompilerOptions())); 49912df9ebf72255544b0147c81b1dca6644a29764eNicolas Geoffray if (codegen.get() == nullptr) { 5005667fdbb6e441dee7534ade18b628ed396daf593Zheng Xu CHECK(!shouldCompile) << "Could not find code generator for optimizing compiler"; 50148c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledNoCodegen); 502787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray return nullptr; 503787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray } 504787c3076635cf117eb646c5a89a9014b2072fb44Nicolas Geoffray 505809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil PassInfoPrinter pass_info_printer(graph, 506809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil method_name.c_str(), 507809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil *codegen.get(), 508809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil visualizer_output_.get(), 509809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil compiler_driver); 5105e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 5115e8b137d28c840b128e2488f954cccee3e86db14David Brazdil HGraphBuilder builder(graph, 5125e8b137d28c840b128e2488f954cccee3e86db14David Brazdil &dex_compilation_unit, 5135e8b137d28c840b128e2488f954cccee3e86db14David Brazdil &dex_compilation_unit, 5145e8b137d28c840b128e2488f954cccee3e86db14David Brazdil &dex_file, 5155e8b137d28c840b128e2488f954cccee3e86db14David Brazdil compiler_driver, 5165e8b137d28c840b128e2488f954cccee3e86db14David Brazdil &compilation_stats_); 5175e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 5185e8b137d28c840b128e2488f954cccee3e86db14David Brazdil VLOG(compiler) << "Building " << method_name; 5195e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 520809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 5217c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe PassInfo pass_info(HGraphBuilder::kBuilderPassName, &pass_info_printer); 522809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil if (!builder.BuildGraph(*code_item)) { 523809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil CHECK(!shouldCompile) << "Could not build graph in optimizing compiler"; 524809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil return nullptr; 525809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 5265e8b137d28c840b128e2488f954cccee3e86db14David Brazdil } 527a7062e05e6048c7f817d784a5b94e3122e25b1ecNicolas Geoffray 52848c2b03965830c73cdddeae8aea8030f08430137Calin Juravle bool can_optimize = CanOptimize(*code_item); 52948c2b03965830c73cdddeae8aea8030f08430137Calin Juravle bool can_allocate_registers = RegisterAllocator::CanAllocateRegistersFor(*graph, instruction_set); 530216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 531216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray // `run_optimizations_` is set explicitly (either through a compiler filter 532216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray // or the debuggable flag). If it is set, we can run baseline. Otherwise, we fall back 533216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray // to Quick. 534216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray bool can_use_baseline = !run_optimizations_; 53548c2b03965830c73cdddeae8aea8030f08430137Calin Juravle if (run_optimizations_ && can_optimize && can_allocate_registers) { 5365e8b137d28c840b128e2488f954cccee3e86db14David Brazdil VLOG(compiler) << "Optimizing " << method_name; 5375e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 538809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil { 5397c3952f423b8213083d60596a5f0bf4237ca3f7bAndreas Gampe PassInfo pass_info(SsaBuilder::kSsaBuilderPassName, &pass_info_printer); 540809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil if (!graph->TryBuildingSsa()) { 541809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil // We could not transform the graph to SSA, bailout. 542809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil LOG(INFO) << "Skipping compilation of " << method_name << ": it contains a non natural loop"; 543809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledCannotBuildSSA); 544809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil return nullptr; 545809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil } 546f537012ceb6cba8a78b36a5065beb9588451a250Nicolas Geoffray } 5475e8b137d28c840b128e2488f954cccee3e86db14David Brazdil 5485e8b137d28c840b128e2488f954cccee3e86db14David Brazdil return CompileOptimized(graph, 5495e8b137d28c840b128e2488f954cccee3e86db14David Brazdil codegen.get(), 5505e8b137d28c840b128e2488f954cccee3e86db14David Brazdil compiler_driver, 551acf735c13998ad2a175f5a17e7bfce220073279dCalin Juravle dex_file, 5525e8b137d28c840b128e2488f954cccee3e86db14David Brazdil dex_compilation_unit, 553809658ec5c5515ae9eb87d32012ec5e088612949David Brazdil &pass_info_printer); 554234d69d075d1608f80adb647f7935077b62b6376Nicolas Geoffray } else if (shouldOptimize && can_allocate_registers) { 55586dbb9a12119273039ce272b41c809fa548b37b6Nicolas Geoffray LOG(FATAL) << "Could not allocate registers in optimizing compiler"; 5565667fdbb6e441dee7534ade18b628ed396daf593Zheng Xu UNREACHABLE(); 557216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } else if (can_use_baseline) { 5585e8b137d28c840b128e2488f954cccee3e86db14David Brazdil VLOG(compiler) << "Compile baseline " << method_name; 55948c2b03965830c73cdddeae8aea8030f08430137Calin Juravle 56048c2b03965830c73cdddeae8aea8030f08430137Calin Juravle if (!run_optimizations_) { 56148c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotOptimizedDisabled); 56248c2b03965830c73cdddeae8aea8030f08430137Calin Juravle } else if (!can_optimize) { 56348c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotOptimizedTryCatch); 56448c2b03965830c73cdddeae8aea8030f08430137Calin Juravle } else if (!can_allocate_registers) { 56548c2b03965830c73cdddeae8aea8030f08430137Calin Juravle compilation_stats_.RecordStat(MethodCompilationStat::kNotOptimizedRegisterAllocator); 56648c2b03965830c73cdddeae8aea8030f08430137Calin Juravle } 56748c2b03965830c73cdddeae8aea8030f08430137Calin Juravle 5685e8b137d28c840b128e2488f954cccee3e86db14David Brazdil return CompileBaseline(codegen.get(), compiler_driver, dex_compilation_unit); 569216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } else { 570216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return nullptr; 571216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray } 572216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray} 573216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray 574216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas GeoffrayCompiledMethod* OptimizingCompiler::Compile(const DexFile::CodeItem* code_item, 575216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t access_flags, 576216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray InvokeType invoke_type, 577216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint16_t class_def_idx, 578216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray uint32_t method_idx, 579216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray jobject class_loader, 580216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray const DexFile& dex_file) const { 581216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray CompiledMethod* method = TryCompile(code_item, access_flags, invoke_type, class_def_idx, 582216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray method_idx, class_loader, dex_file); 583216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray if (method != nullptr) { 584216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return method; 5853946844c34ad965515f677084b07d663d70ad1b8Nicolas Geoffray } 586216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray return delegate_->Compile(code_item, access_flags, invoke_type, class_def_idx, method_idx, 587216eaa2927f424821a03d7c4c6bf701fdb48e865Nicolas Geoffray class_loader, dex_file); 588b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray} 589b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray 59053c913bb71b218714823c8c87a1f92830c336f61Andreas GampeCompiler* CreateOptimizingCompiler(CompilerDriver* driver) { 59153c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe return new OptimizingCompiler(driver); 59253c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe} 59353c913bb71b218714823c8c87a1f92830c336f61Andreas Gampe 594b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray} // namespace art 595