diff options
Diffstat (limited to 'compiler/optimizing/optimizing_compiler.cc')
| -rw-r--r-- | compiler/optimizing/optimizing_compiler.cc | 185 |
1 files changed, 157 insertions, 28 deletions
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc index 30da69ffff..f7c82d1987 100644 --- a/compiler/optimizing/optimizing_compiler.cc +++ b/compiler/optimizing/optimizing_compiler.cc @@ -95,6 +95,8 @@ namespace art { static constexpr size_t kArenaAllocatorMemoryReportThreshold = 8 * MB; +static constexpr const char* kPassNameSeparator = "$"; + /** * Used by the code generator, to allocate the code in a vector. */ @@ -266,7 +268,7 @@ class PassScope : public ValueObject { class OptimizingCompiler FINAL : public Compiler { public: explicit OptimizingCompiler(CompilerDriver* driver); - ~OptimizingCompiler(); + ~OptimizingCompiler() OVERRIDE; bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file) const OVERRIDE; @@ -305,17 +307,17 @@ class OptimizingCompiler FINAL : public Compiler { OVERRIDE SHARED_REQUIRES(Locks::mutator_lock_); - protected: - virtual void RunOptimizations(HGraph* graph, - CodeGenerator* codegen, - CompilerDriver* driver, - const DexCompilationUnit& dex_compilation_unit, - PassObserver* pass_observer, - StackHandleScopeCollection* handles) const; + private: + void RunOptimizations(HGraph* graph, + CodeGenerator* codegen, + CompilerDriver* driver, + const DexCompilationUnit& dex_compilation_unit, + PassObserver* pass_observer, + StackHandleScopeCollection* handles) const; - virtual void RunOptimizations(HOptimization* optimizations[], - size_t length, - PassObserver* pass_observer) const; + void RunOptimizations(HOptimization* optimizations[], + size_t length, + PassObserver* pass_observer) const; private: // Create a 'CompiledMethod' for an optimized graph. @@ -420,6 +422,117 @@ static bool InstructionSetSupportsReadBarrier(InstructionSet instruction_set) { || instruction_set == kX86_64; } +static HOptimization* BuildOptimization( + const std::string& opt_name, + ArenaAllocator* arena, + HGraph* graph, + OptimizingCompilerStats* stats, + CodeGenerator* codegen, + CompilerDriver* driver, + const DexCompilationUnit& dex_compilation_unit, + StackHandleScopeCollection* handles, + SideEffectsAnalysis* most_recent_side_effects, + HInductionVarAnalysis* most_recent_induction) { + if (opt_name == arm::InstructionSimplifierArm::kInstructionSimplifierArmPassName) { + return new (arena) arm::InstructionSimplifierArm(graph, stats); + } else if (opt_name == arm64::InstructionSimplifierArm64::kInstructionSimplifierArm64PassName) { + return new (arena) arm64::InstructionSimplifierArm64(graph, stats); + } else if (opt_name == BoundsCheckElimination::kBoundsCheckEliminationPassName) { + CHECK(most_recent_side_effects != nullptr && most_recent_induction != nullptr); + return new (arena) BoundsCheckElimination(graph, + *most_recent_side_effects, + most_recent_induction); + } else if (opt_name == GVNOptimization::kGlobalValueNumberingPassName) { + CHECK(most_recent_side_effects != nullptr); + return new (arena) GVNOptimization(graph, *most_recent_side_effects); + } else if (opt_name == HConstantFolding::kConstantFoldingPassName) { + return new (arena) HConstantFolding(graph); + } else if (opt_name == HDeadCodeElimination::kDeadCodeEliminationPassName) { + return new (arena) HDeadCodeElimination(graph, stats); + } else if (opt_name == HInliner::kInlinerPassName) { + size_t number_of_dex_registers = dex_compilation_unit.GetCodeItem()->registers_size_; + return new (arena) HInliner(graph, // outer_graph + graph, // outermost_graph + codegen, + dex_compilation_unit, // outer_compilation_unit + dex_compilation_unit, // outermost_compilation_unit + driver, + handles, + stats, + number_of_dex_registers, + /* depth */ 0); + } else if (opt_name == HSharpening::kSharpeningPassName) { + return new (arena) HSharpening(graph, codegen, dex_compilation_unit, driver); + } else if (opt_name == HSelectGenerator::kSelectGeneratorPassName) { + return new (arena) HSelectGenerator(graph, stats); + } else if (opt_name == HInductionVarAnalysis::kInductionPassName) { + return new (arena) HInductionVarAnalysis(graph); + } else if (opt_name == InstructionSimplifier::kInstructionSimplifierPassName) { + return new (arena) InstructionSimplifier(graph, stats); + } else if (opt_name == IntrinsicsRecognizer::kIntrinsicsRecognizerPassName) { + return new (arena) IntrinsicsRecognizer(graph, driver, stats); + } else if (opt_name == LICM::kLoopInvariantCodeMotionPassName) { + CHECK(most_recent_side_effects != nullptr); + return new (arena) LICM(graph, *most_recent_side_effects, stats); + } else if (opt_name == LoadStoreElimination::kLoadStoreEliminationPassName) { + CHECK(most_recent_side_effects != nullptr); + return new (arena) LoadStoreElimination(graph, *most_recent_side_effects); + } else if (opt_name == mips::DexCacheArrayFixups::kDexCacheArrayFixupsMipsPassName) { + return new (arena) mips::DexCacheArrayFixups(graph, codegen, stats); + } else if (opt_name == mips::PcRelativeFixups::kPcRelativeFixupsMipsPassName) { + return new (arena) mips::PcRelativeFixups(graph, codegen, stats); + } else if (opt_name == SideEffectsAnalysis::kSideEffectsAnalysisPassName) { + return new (arena) SideEffectsAnalysis(graph); + } else if (opt_name == x86::PcRelativeFixups::kPcRelativeFixupsX86PassName) { + return new (arena) x86::PcRelativeFixups(graph, codegen, stats); + } else if (opt_name == x86::X86MemoryOperandGeneration::kX86MemoryOperandGenerationPassName) { + return new (arena) x86::X86MemoryOperandGeneration(graph, codegen, stats); + } + return nullptr; +} + +static ArenaVector<HOptimization*> BuildOptimizations( + const std::vector<std::string>& pass_names, + ArenaAllocator* arena, + HGraph* graph, + OptimizingCompilerStats* stats, + CodeGenerator* codegen, + CompilerDriver* driver, + const DexCompilationUnit& dex_compilation_unit, + StackHandleScopeCollection* handles) { + // Few HOptimizations constructors require SideEffectsAnalysis or HInductionVarAnalysis + // instances. This method assumes that each of them expects the nearest instance preceeding it + // in the pass name list. + SideEffectsAnalysis* most_recent_side_effects = nullptr; + HInductionVarAnalysis* most_recent_induction = nullptr; + ArenaVector<HOptimization*> ret(arena->Adapter()); + for (std::string pass_name : pass_names) { + size_t pos = pass_name.find(kPassNameSeparator); // Strip suffix to get base pass name. + std::string opt_name = pos == std::string::npos ? pass_name : pass_name.substr(0, pos); + + HOptimization* opt = BuildOptimization( + opt_name, + arena, + graph, + stats, + codegen, + driver, + dex_compilation_unit, + handles, + most_recent_side_effects, + most_recent_induction); + CHECK(opt != nullptr) << "Couldn't build optimization: \"" << pass_name << "\""; + ret.push_back(opt); + + if (opt_name == SideEffectsAnalysis::kSideEffectsAnalysisPassName) { + most_recent_side_effects = down_cast<SideEffectsAnalysis*>(opt); + } else if (opt_name == HInductionVarAnalysis::kInductionPassName) { + most_recent_induction = down_cast<HInductionVarAnalysis*>(opt); + } + } + return ret; +} + void OptimizingCompiler::RunOptimizations(HOptimization* optimizations[], size_t length, PassObserver* pass_observer) const { @@ -444,11 +557,11 @@ void OptimizingCompiler::MaybeRunInliner(HGraph* graph, } size_t number_of_dex_registers = dex_compilation_unit.GetCodeItem()->registers_size_; HInliner* inliner = new (graph->GetArena()) HInliner( - graph, - graph, + graph, // outer_graph + graph, // outermost_graph codegen, - dex_compilation_unit, - dex_compilation_unit, + dex_compilation_unit, // outer_compilation_unit + dex_compilation_unit, // outermost_compilation_unit driver, handles, stats, @@ -473,7 +586,7 @@ void OptimizingCompiler::RunArchOptimizations(InstructionSet instruction_set, arm::InstructionSimplifierArm* simplifier = new (arena) arm::InstructionSimplifierArm(graph, stats); SideEffectsAnalysis* side_effects = new (arena) SideEffectsAnalysis(graph); - GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects, "GVN_after_arch"); + GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects, "GVN$after_arch"); HOptimization* arm_optimizations[] = { simplifier, side_effects, @@ -489,7 +602,7 @@ void OptimizingCompiler::RunArchOptimizations(InstructionSet instruction_set, arm64::InstructionSimplifierArm64* simplifier = new (arena) arm64::InstructionSimplifierArm64(graph, stats); SideEffectsAnalysis* side_effects = new (arena) SideEffectsAnalysis(graph); - GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects, "GVN_after_arch"); + GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects, "GVN$after_arch"); HOptimization* arm64_optimizations[] = { simplifier, side_effects, @@ -518,7 +631,7 @@ void OptimizingCompiler::RunArchOptimizations(InstructionSet instruction_set, x86::PcRelativeFixups* pc_relative_fixups = new (arena) x86::PcRelativeFixups(graph, codegen, stats); x86::X86MemoryOperandGeneration* memory_gen = - new(arena) x86::X86MemoryOperandGeneration(graph, stats, codegen); + new (arena) x86::X86MemoryOperandGeneration(graph, codegen, stats); HOptimization* x86_optimizations[] = { pc_relative_fixups, memory_gen @@ -530,7 +643,7 @@ void OptimizingCompiler::RunArchOptimizations(InstructionSet instruction_set, #ifdef ART_ENABLE_CODEGEN_x86_64 case kX86_64: { x86::X86MemoryOperandGeneration* memory_gen = - new(arena) x86::X86MemoryOperandGeneration(graph, stats, codegen); + new (arena) x86::X86MemoryOperandGeneration(graph, codegen, stats); HOptimization* x86_64_optimizations[] = { memory_gen }; @@ -572,15 +685,30 @@ void OptimizingCompiler::RunOptimizations(HGraph* graph, StackHandleScopeCollection* handles) const { OptimizingCompilerStats* stats = compilation_stats_.get(); ArenaAllocator* arena = graph->GetArena(); + if (driver->GetCompilerOptions().GetPassesToRun() != nullptr) { + ArenaVector<HOptimization*> optimizations = BuildOptimizations( + *driver->GetCompilerOptions().GetPassesToRun(), + arena, + graph, + stats, + codegen, + driver, + dex_compilation_unit, + handles); + RunOptimizations(&optimizations[0], optimizations.size(), pass_observer); + return; + } + HDeadCodeElimination* dce1 = new (arena) HDeadCodeElimination( - graph, stats, HDeadCodeElimination::kInitialDeadCodeEliminationPassName); + graph, stats, "dead_code_elimination$initial"); HDeadCodeElimination* dce2 = new (arena) HDeadCodeElimination( - graph, stats, HDeadCodeElimination::kFinalDeadCodeEliminationPassName); + graph, stats, "dead_code_elimination$final"); HConstantFolding* fold1 = new (arena) HConstantFolding(graph); InstructionSimplifier* simplify1 = new (arena) InstructionSimplifier(graph, stats); HSelectGenerator* select_generator = new (arena) HSelectGenerator(graph, stats); - HConstantFolding* fold2 = new (arena) HConstantFolding(graph, "constant_folding_after_inlining"); - HConstantFolding* fold3 = new (arena) HConstantFolding(graph, "constant_folding_after_bce"); + HConstantFolding* fold2 = new (arena) HConstantFolding( + graph, "constant_folding$after_inlining"); + HConstantFolding* fold3 = new (arena) HConstantFolding(graph, "constant_folding$after_bce"); SideEffectsAnalysis* side_effects = new (arena) SideEffectsAnalysis(graph); GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects); LICM* licm = new (arena) LICM(graph, *side_effects, stats); @@ -589,9 +717,9 @@ void OptimizingCompiler::RunOptimizations(HGraph* graph, BoundsCheckElimination* bce = new (arena) BoundsCheckElimination(graph, *side_effects, induction); HSharpening* sharpening = new (arena) HSharpening(graph, codegen, dex_compilation_unit, driver); InstructionSimplifier* simplify2 = new (arena) InstructionSimplifier( - graph, stats, "instruction_simplifier_after_bce"); + graph, stats, "instruction_simplifier$after_bce"); InstructionSimplifier* simplify3 = new (arena) InstructionSimplifier( - graph, stats, "instruction_simplifier_before_codegen"); + graph, stats, "instruction_simplifier$before_codegen"); IntrinsicsRecognizer* intrinsics = new (arena) IntrinsicsRecognizer(graph, driver, stats); HOptimization* optimizations1[] = { @@ -627,9 +755,6 @@ void OptimizingCompiler::RunOptimizations(HGraph* graph, RunOptimizations(optimizations2, arraysize(optimizations2), pass_observer); RunArchOptimizations(driver->GetInstructionSet(), graph, codegen, pass_observer); - RegisterAllocator::Strategy regalloc_strategy = - driver->GetCompilerOptions().GetRegisterAllocationStrategy(); - AllocateRegisters(graph, codegen, pass_observer, regalloc_strategy); } static ArenaVector<LinkerPatch> EmitAndSortLinkerPatches(CodeGenerator* codegen) { @@ -844,6 +969,10 @@ CodeGenerator* OptimizingCompiler::TryCompile(ArenaAllocator* arena, &pass_observer, &handles); + RegisterAllocator::Strategy regalloc_strategy = + compiler_options.GetRegisterAllocationStrategy(); + AllocateRegisters(graph, codegen.get(), &pass_observer, regalloc_strategy); + codegen->Compile(code_allocator); pass_observer.DumpDisassembly(); } |