| //===- Parsing, selection, and construction of pass pipelines -------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// |
| /// This file provides the implementation of the PassBuilder based on our |
| /// static pass registry as well as related functionality. It also provides |
| /// helpers to aid in analyzing, debugging, and testing passes and pass |
| /// pipelines. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Passes/PassBuilder.h" |
| #include "llvm/ADT/StringSwitch.h" |
| #include "llvm/Analysis/AliasAnalysis.h" |
| #include "llvm/Analysis/AliasAnalysisEvaluator.h" |
| #include "llvm/Analysis/AssumptionCache.h" |
| #include "llvm/Analysis/BasicAliasAnalysis.h" |
| #include "llvm/Analysis/BlockFrequencyInfo.h" |
| #include "llvm/Analysis/BlockFrequencyInfoImpl.h" |
| #include "llvm/Analysis/BranchProbabilityInfo.h" |
| #include "llvm/Analysis/CFLAndersAliasAnalysis.h" |
| #include "llvm/Analysis/CFLSteensAliasAnalysis.h" |
| #include "llvm/Analysis/CGSCCPassManager.h" |
| #include "llvm/Analysis/CallGraph.h" |
| #include "llvm/Analysis/DemandedBits.h" |
| #include "llvm/Analysis/DependenceAnalysis.h" |
| #include "llvm/Analysis/DominanceFrontier.h" |
| #include "llvm/Analysis/GlobalsModRef.h" |
| #include "llvm/Analysis/IVUsers.h" |
| #include "llvm/Analysis/LazyCallGraph.h" |
| #include "llvm/Analysis/LazyValueInfo.h" |
| #include "llvm/Analysis/LoopAccessAnalysis.h" |
| #include "llvm/Analysis/LoopInfo.h" |
| #include "llvm/Analysis/MemoryDependenceAnalysis.h" |
| #include "llvm/Analysis/OptimizationDiagnosticInfo.h" |
| #include "llvm/Analysis/PostDominators.h" |
| #include "llvm/Analysis/ProfileSummaryInfo.h" |
| #include "llvm/Analysis/RegionInfo.h" |
| #include "llvm/Analysis/ScalarEvolution.h" |
| #include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h" |
| #include "llvm/Analysis/ScopedNoAliasAA.h" |
| #include "llvm/Analysis/TargetLibraryInfo.h" |
| #include "llvm/Analysis/TargetTransformInfo.h" |
| #include "llvm/Analysis/TypeBasedAliasAnalysis.h" |
| #include "llvm/CodeGen/PreISelIntrinsicLowering.h" |
| #include "llvm/CodeGen/UnreachableBlockElim.h" |
| #include "llvm/IR/Dominators.h" |
| #include "llvm/IR/IRPrintingPasses.h" |
| #include "llvm/IR/PassManager.h" |
| #include "llvm/IR/Verifier.h" |
| #include "llvm/Support/Debug.h" |
| #include "llvm/Support/Regex.h" |
| #include "llvm/Target/TargetMachine.h" |
| #include "llvm/Transforms/GCOVProfiler.h" |
| #include "llvm/Transforms/IPO/ConstantMerge.h" |
| #include "llvm/Transforms/IPO/CrossDSOCFI.h" |
| #include "llvm/Transforms/IPO/DeadArgumentElimination.h" |
| #include "llvm/Transforms/IPO/ElimAvailExtern.h" |
| #include "llvm/Transforms/IPO/ForceFunctionAttrs.h" |
| #include "llvm/Transforms/IPO/FunctionAttrs.h" |
| #include "llvm/Transforms/IPO/GlobalDCE.h" |
| #include "llvm/Transforms/IPO/GlobalOpt.h" |
| #include "llvm/Transforms/IPO/InferFunctionAttrs.h" |
| #include "llvm/Transforms/IPO/Internalize.h" |
| #include "llvm/Transforms/IPO/LowerTypeTests.h" |
| #include "llvm/Transforms/IPO/PartialInlining.h" |
| #include "llvm/Transforms/IPO/SCCP.h" |
| #include "llvm/Transforms/IPO/StripDeadPrototypes.h" |
| #include "llvm/Transforms/IPO/WholeProgramDevirt.h" |
| #include "llvm/Transforms/InstCombine/InstCombine.h" |
| #include "llvm/Transforms/InstrProfiling.h" |
| #include "llvm/Transforms/PGOInstrumentation.h" |
| #include "llvm/Transforms/SampleProfile.h" |
| #include "llvm/Transforms/Scalar/ADCE.h" |
| #include "llvm/Transforms/Scalar/AlignmentFromAssumptions.h" |
| #include "llvm/Transforms/Scalar/BDCE.h" |
| #include "llvm/Transforms/Scalar/ConstantHoisting.h" |
| #include "llvm/Transforms/Scalar/CorrelatedValuePropagation.h" |
| #include "llvm/Transforms/Scalar/DCE.h" |
| #include "llvm/Transforms/Scalar/DeadStoreElimination.h" |
| #include "llvm/Transforms/Scalar/EarlyCSE.h" |
| #include "llvm/Transforms/Scalar/Float2Int.h" |
| #include "llvm/Transforms/Scalar/GVN.h" |
| #include "llvm/Transforms/Scalar/GuardWidening.h" |
| #include "llvm/Transforms/Scalar/IndVarSimplify.h" |
| #include "llvm/Transforms/Scalar/JumpThreading.h" |
| #include "llvm/Transforms/Scalar/LICM.h" |
| #include "llvm/Transforms/Scalar/LoopDeletion.h" |
| #include "llvm/Transforms/Scalar/LoopDistribute.h" |
| #include "llvm/Transforms/Scalar/LoopIdiomRecognize.h" |
| #include "llvm/Transforms/Scalar/LoopInstSimplify.h" |
| #include "llvm/Transforms/Scalar/LoopRotation.h" |
| #include "llvm/Transforms/Scalar/LoopSimplifyCFG.h" |
| #include "llvm/Transforms/Scalar/LowerAtomic.h" |
| #include "llvm/Transforms/Scalar/LowerExpectIntrinsic.h" |
| #include "llvm/Transforms/Scalar/MemCpyOptimizer.h" |
| #include "llvm/Transforms/Scalar/MergedLoadStoreMotion.h" |
| #include "llvm/Transforms/Scalar/PartiallyInlineLibCalls.h" |
| #include "llvm/Transforms/Scalar/Reassociate.h" |
| #include "llvm/Transforms/Scalar/SCCP.h" |
| #include "llvm/Transforms/Scalar/SROA.h" |
| #include "llvm/Transforms/Scalar/SimplifyCFG.h" |
| #include "llvm/Transforms/Scalar/Sink.h" |
| #include "llvm/Transforms/Scalar/TailRecursionElimination.h" |
| #include "llvm/Transforms/Utils/AddDiscriminators.h" |
| #include "llvm/Transforms/Utils/LCSSA.h" |
| #include "llvm/Transforms/Utils/LoopSimplify.h" |
| #include "llvm/Transforms/Utils/Mem2Reg.h" |
| #include "llvm/Transforms/Utils/MemorySSA.h" |
| #include "llvm/Transforms/Utils/SimplifyInstructions.h" |
| #include "llvm/Transforms/Vectorize/LoopVectorize.h" |
| #include "llvm/Transforms/Vectorize/SLPVectorizer.h" |
| |
| #include <type_traits> |
| |
| using namespace llvm; |
| |
| static Regex DefaultAliasRegex("^(default|lto-pre-link|lto)<(O[0123sz])>$"); |
| |
| namespace { |
| |
| /// \brief No-op module pass which does nothing. |
| struct NoOpModulePass { |
| PreservedAnalyses run(Module &M, AnalysisManager<Module> &) { |
| return PreservedAnalyses::all(); |
| } |
| static StringRef name() { return "NoOpModulePass"; } |
| }; |
| |
| /// \brief No-op module analysis. |
| class NoOpModuleAnalysis : public AnalysisInfoMixin<NoOpModuleAnalysis> { |
| friend AnalysisInfoMixin<NoOpModuleAnalysis>; |
| static char PassID; |
| |
| public: |
| struct Result {}; |
| Result run(Module &, AnalysisManager<Module> &) { return Result(); } |
| static StringRef name() { return "NoOpModuleAnalysis"; } |
| }; |
| |
| /// \brief No-op CGSCC pass which does nothing. |
| struct NoOpCGSCCPass { |
| PreservedAnalyses run(LazyCallGraph::SCC &C, |
| AnalysisManager<LazyCallGraph::SCC> &) { |
| return PreservedAnalyses::all(); |
| } |
| static StringRef name() { return "NoOpCGSCCPass"; } |
| }; |
| |
| /// \brief No-op CGSCC analysis. |
| class NoOpCGSCCAnalysis : public AnalysisInfoMixin<NoOpCGSCCAnalysis> { |
| friend AnalysisInfoMixin<NoOpCGSCCAnalysis>; |
| static char PassID; |
| |
| public: |
| struct Result {}; |
| Result run(LazyCallGraph::SCC &, AnalysisManager<LazyCallGraph::SCC> &) { |
| return Result(); |
| } |
| static StringRef name() { return "NoOpCGSCCAnalysis"; } |
| }; |
| |
| /// \brief No-op function pass which does nothing. |
| struct NoOpFunctionPass { |
| PreservedAnalyses run(Function &F, AnalysisManager<Function> &) { |
| return PreservedAnalyses::all(); |
| } |
| static StringRef name() { return "NoOpFunctionPass"; } |
| }; |
| |
| /// \brief No-op function analysis. |
| class NoOpFunctionAnalysis : public AnalysisInfoMixin<NoOpFunctionAnalysis> { |
| friend AnalysisInfoMixin<NoOpFunctionAnalysis>; |
| static char PassID; |
| |
| public: |
| struct Result {}; |
| Result run(Function &, AnalysisManager<Function> &) { return Result(); } |
| static StringRef name() { return "NoOpFunctionAnalysis"; } |
| }; |
| |
| /// \brief No-op loop pass which does nothing. |
| struct NoOpLoopPass { |
| PreservedAnalyses run(Loop &L, AnalysisManager<Loop> &) { |
| return PreservedAnalyses::all(); |
| } |
| static StringRef name() { return "NoOpLoopPass"; } |
| }; |
| |
| /// \brief No-op loop analysis. |
| class NoOpLoopAnalysis : public AnalysisInfoMixin<NoOpLoopAnalysis> { |
| friend AnalysisInfoMixin<NoOpLoopAnalysis>; |
| static char PassID; |
| |
| public: |
| struct Result {}; |
| Result run(Loop &, AnalysisManager<Loop> &) { return Result(); } |
| static StringRef name() { return "NoOpLoopAnalysis"; } |
| }; |
| |
| char NoOpModuleAnalysis::PassID; |
| char NoOpCGSCCAnalysis::PassID; |
| char NoOpFunctionAnalysis::PassID; |
| char NoOpLoopAnalysis::PassID; |
| |
| } // End anonymous namespace. |
| |
| void PassBuilder::registerModuleAnalyses(ModuleAnalysisManager &MAM) { |
| #define MODULE_ANALYSIS(NAME, CREATE_PASS) \ |
| MAM.registerPass([&] { return CREATE_PASS; }); |
| #include "PassRegistry.def" |
| } |
| |
| void PassBuilder::registerCGSCCAnalyses(CGSCCAnalysisManager &CGAM) { |
| #define CGSCC_ANALYSIS(NAME, CREATE_PASS) \ |
| CGAM.registerPass([&] { return CREATE_PASS; }); |
| #include "PassRegistry.def" |
| } |
| |
| void PassBuilder::registerFunctionAnalyses(FunctionAnalysisManager &FAM) { |
| #define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \ |
| FAM.registerPass([&] { return CREATE_PASS; }); |
| #include "PassRegistry.def" |
| } |
| |
| void PassBuilder::registerLoopAnalyses(LoopAnalysisManager &LAM) { |
| #define LOOP_ANALYSIS(NAME, CREATE_PASS) \ |
| LAM.registerPass([&] { return CREATE_PASS; }); |
| #include "PassRegistry.def" |
| } |
| |
| void PassBuilder::addPerModuleDefaultPipeline(ModulePassManager &MPM, |
| OptimizationLevel Level, |
| bool DebugLogging) { |
| // FIXME: Finish fleshing this out to match the legacy pipelines. |
| FunctionPassManager EarlyFPM(DebugLogging); |
| EarlyFPM.addPass(SimplifyCFGPass()); |
| EarlyFPM.addPass(SROA()); |
| EarlyFPM.addPass(EarlyCSEPass()); |
| EarlyFPM.addPass(LowerExpectIntrinsicPass()); |
| |
| MPM.addPass(createModuleToFunctionPassAdaptor(std::move(EarlyFPM))); |
| } |
| |
| void PassBuilder::addLTOPreLinkDefaultPipeline(ModulePassManager &MPM, |
| OptimizationLevel Level, |
| bool DebugLogging) { |
| // FIXME: We should use a customized pre-link pipeline! |
| addPerModuleDefaultPipeline(MPM, Level, DebugLogging); |
| } |
| |
| void PassBuilder::addLTODefaultPipeline(ModulePassManager &MPM, |
| OptimizationLevel Level, |
| bool DebugLogging) { |
| // FIXME: Finish fleshing this out to match the legacy LTO pipelines. |
| FunctionPassManager LateFPM(DebugLogging); |
| LateFPM.addPass(InstCombinePass()); |
| LateFPM.addPass(SimplifyCFGPass()); |
| |
| MPM.addPass(createModuleToFunctionPassAdaptor(std::move(LateFPM))); |
| } |
| |
| #ifndef NDEBUG |
| static bool isModulePassName(StringRef Name) { |
| // Manually handle aliases for pre-configured pipeline fragments. |
| if (Name.startswith("default") || Name.startswith("lto")) |
| return DefaultAliasRegex.match(Name); |
| |
| #define MODULE_PASS(NAME, CREATE_PASS) \ |
| if (Name == NAME) \ |
| return true; |
| #define MODULE_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \ |
| return true; |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| #endif |
| |
| static bool isCGSCCPassName(StringRef Name) { |
| #define CGSCC_PASS(NAME, CREATE_PASS) \ |
| if (Name == NAME) \ |
| return true; |
| #define CGSCC_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \ |
| return true; |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| |
| static bool isFunctionPassName(StringRef Name) { |
| #define FUNCTION_PASS(NAME, CREATE_PASS) \ |
| if (Name == NAME) \ |
| return true; |
| #define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \ |
| return true; |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| |
| static bool isLoopPassName(StringRef Name) { |
| #define LOOP_PASS(NAME, CREATE_PASS) \ |
| if (Name == NAME) \ |
| return true; |
| #define LOOP_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \ |
| return true; |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| |
| bool PassBuilder::parseModulePassName(ModulePassManager &MPM, StringRef Name, |
| bool DebugLogging) { |
| // Manually handle aliases for pre-configured pipeline fragments. |
| if (Name.startswith("default") || Name.startswith("lto")) { |
| SmallVector<StringRef, 3> Matches; |
| if (!DefaultAliasRegex.match(Name, &Matches)) |
| return false; |
| assert(Matches.size() == 3 && "Must capture two matched strings!"); |
| |
| auto L = StringSwitch<OptimizationLevel>(Matches[2]) |
| .Case("O0", O0) |
| .Case("O1", O1) |
| .Case("O2", O2) |
| .Case("O3", O3) |
| .Case("Os", Os) |
| .Case("Oz", Oz); |
| |
| if (Matches[1] == "default") { |
| addPerModuleDefaultPipeline(MPM, L, DebugLogging); |
| } else if (Matches[1] == "lto-pre-link") { |
| addLTOPreLinkDefaultPipeline(MPM, L, DebugLogging); |
| } else { |
| assert(Matches[1] == "lto" && "Not one of the matched options!"); |
| addLTODefaultPipeline(MPM, L, DebugLogging); |
| } |
| return true; |
| } |
| |
| #define MODULE_PASS(NAME, CREATE_PASS) \ |
| if (Name == NAME) { \ |
| MPM.addPass(CREATE_PASS); \ |
| return true; \ |
| } |
| #define MODULE_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == "require<" NAME ">") { \ |
| MPM.addPass(RequireAnalysisPass< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>()); \ |
| return true; \ |
| } \ |
| if (Name == "invalidate<" NAME ">") { \ |
| MPM.addPass(InvalidateAnalysisPass< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>()); \ |
| return true; \ |
| } |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| |
| bool PassBuilder::parseCGSCCPassName(CGSCCPassManager &CGPM, StringRef Name) { |
| #define CGSCC_PASS(NAME, CREATE_PASS) \ |
| if (Name == NAME) { \ |
| CGPM.addPass(CREATE_PASS); \ |
| return true; \ |
| } |
| #define CGSCC_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == "require<" NAME ">") { \ |
| CGPM.addPass(RequireAnalysisPass< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>()); \ |
| return true; \ |
| } \ |
| if (Name == "invalidate<" NAME ">") { \ |
| CGPM.addPass(InvalidateAnalysisPass< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>()); \ |
| return true; \ |
| } |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| |
| bool PassBuilder::parseFunctionPassName(FunctionPassManager &FPM, |
| StringRef Name) { |
| #define FUNCTION_PASS(NAME, CREATE_PASS) \ |
| if (Name == NAME) { \ |
| FPM.addPass(CREATE_PASS); \ |
| return true; \ |
| } |
| #define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == "require<" NAME ">") { \ |
| FPM.addPass(RequireAnalysisPass< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>()); \ |
| return true; \ |
| } \ |
| if (Name == "invalidate<" NAME ">") { \ |
| FPM.addPass(InvalidateAnalysisPass< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>()); \ |
| return true; \ |
| } |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| |
| bool PassBuilder::parseLoopPassName(LoopPassManager &FPM, StringRef Name) { |
| #define LOOP_PASS(NAME, CREATE_PASS) \ |
| if (Name == NAME) { \ |
| FPM.addPass(CREATE_PASS); \ |
| return true; \ |
| } |
| #define LOOP_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == "require<" NAME ">") { \ |
| FPM.addPass(RequireAnalysisPass< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>()); \ |
| return true; \ |
| } \ |
| if (Name == "invalidate<" NAME ">") { \ |
| FPM.addPass(InvalidateAnalysisPass< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>()); \ |
| return true; \ |
| } |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| |
| bool PassBuilder::parseAAPassName(AAManager &AA, StringRef Name) { |
| #define MODULE_ALIAS_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == NAME) { \ |
| AA.registerModuleAnalysis< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>(); \ |
| return true; \ |
| } |
| #define FUNCTION_ALIAS_ANALYSIS(NAME, CREATE_PASS) \ |
| if (Name == NAME) { \ |
| AA.registerFunctionAnalysis< \ |
| std::remove_reference<decltype(CREATE_PASS)>::type>(); \ |
| return true; \ |
| } |
| #include "PassRegistry.def" |
| |
| return false; |
| } |
| |
| bool PassBuilder::parseLoopPassPipeline(LoopPassManager &LPM, |
| StringRef &PipelineText, |
| bool VerifyEachPass, |
| bool DebugLogging) { |
| for (;;) { |
| // Parse nested pass managers by recursing. |
| if (PipelineText.startswith("loop(")) { |
| LoopPassManager NestedLPM(DebugLogging); |
| |
| // Parse the inner pipeline inte the nested manager. |
| PipelineText = PipelineText.substr(strlen("loop(")); |
| if (!parseLoopPassPipeline(NestedLPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| PipelineText.empty()) |
| return false; |
| assert(PipelineText[0] == ')'); |
| PipelineText = PipelineText.substr(1); |
| |
| // Add the nested pass manager with the appropriate adaptor. |
| LPM.addPass(std::move(NestedLPM)); |
| } else { |
| // Otherwise try to parse a pass name. |
| size_t End = PipelineText.find_first_of(",)"); |
| if (!parseLoopPassName(LPM, PipelineText.substr(0, End))) |
| return false; |
| // TODO: Ideally, we would run a LoopVerifierPass() here in the |
| // VerifyEachPass case, but we don't have such a verifier yet. |
| |
| PipelineText = PipelineText.substr(End); |
| } |
| |
| if (PipelineText.empty() || PipelineText[0] == ')') |
| return true; |
| |
| assert(PipelineText[0] == ','); |
| PipelineText = PipelineText.substr(1); |
| } |
| } |
| |
| bool PassBuilder::parseFunctionPassPipeline(FunctionPassManager &FPM, |
| StringRef &PipelineText, |
| bool VerifyEachPass, |
| bool DebugLogging) { |
| for (;;) { |
| // Parse nested pass managers by recursing. |
| if (PipelineText.startswith("function(")) { |
| FunctionPassManager NestedFPM(DebugLogging); |
| |
| // Parse the inner pipeline inte the nested manager. |
| PipelineText = PipelineText.substr(strlen("function(")); |
| if (!parseFunctionPassPipeline(NestedFPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| PipelineText.empty()) |
| return false; |
| assert(PipelineText[0] == ')'); |
| PipelineText = PipelineText.substr(1); |
| |
| // Add the nested pass manager with the appropriate adaptor. |
| FPM.addPass(std::move(NestedFPM)); |
| } else if (PipelineText.startswith("loop(")) { |
| LoopPassManager NestedLPM(DebugLogging); |
| |
| // Parse the inner pipeline inte the nested manager. |
| PipelineText = PipelineText.substr(strlen("loop(")); |
| if (!parseLoopPassPipeline(NestedLPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| PipelineText.empty()) |
| return false; |
| assert(PipelineText[0] == ')'); |
| PipelineText = PipelineText.substr(1); |
| |
| // Add the nested pass manager with the appropriate adaptor. |
| FPM.addPass(createFunctionToLoopPassAdaptor(std::move(NestedLPM))); |
| } else { |
| // Otherwise try to parse a pass name. |
| size_t End = PipelineText.find_first_of(",)"); |
| if (!parseFunctionPassName(FPM, PipelineText.substr(0, End))) |
| return false; |
| if (VerifyEachPass) |
| FPM.addPass(VerifierPass()); |
| |
| PipelineText = PipelineText.substr(End); |
| } |
| |
| if (PipelineText.empty() || PipelineText[0] == ')') |
| return true; |
| |
| assert(PipelineText[0] == ','); |
| PipelineText = PipelineText.substr(1); |
| } |
| } |
| |
| bool PassBuilder::parseCGSCCPassPipeline(CGSCCPassManager &CGPM, |
| StringRef &PipelineText, |
| bool VerifyEachPass, |
| bool DebugLogging) { |
| for (;;) { |
| // Parse nested pass managers by recursing. |
| if (PipelineText.startswith("cgscc(")) { |
| CGSCCPassManager NestedCGPM(DebugLogging); |
| |
| // Parse the inner pipeline into the nested manager. |
| PipelineText = PipelineText.substr(strlen("cgscc(")); |
| if (!parseCGSCCPassPipeline(NestedCGPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| PipelineText.empty()) |
| return false; |
| assert(PipelineText[0] == ')'); |
| PipelineText = PipelineText.substr(1); |
| |
| // Add the nested pass manager with the appropriate adaptor. |
| CGPM.addPass(std::move(NestedCGPM)); |
| } else if (PipelineText.startswith("function(")) { |
| FunctionPassManager NestedFPM(DebugLogging); |
| |
| // Parse the inner pipeline inte the nested manager. |
| PipelineText = PipelineText.substr(strlen("function(")); |
| if (!parseFunctionPassPipeline(NestedFPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| PipelineText.empty()) |
| return false; |
| assert(PipelineText[0] == ')'); |
| PipelineText = PipelineText.substr(1); |
| |
| // Add the nested pass manager with the appropriate adaptor. |
| CGPM.addPass( |
| createCGSCCToFunctionPassAdaptor(std::move(NestedFPM), DebugLogging)); |
| } else { |
| // Otherwise try to parse a pass name. |
| size_t End = PipelineText.find_first_of(",)"); |
| if (!parseCGSCCPassName(CGPM, PipelineText.substr(0, End))) |
| return false; |
| // FIXME: No verifier support for CGSCC passes! |
| |
| PipelineText = PipelineText.substr(End); |
| } |
| |
| if (PipelineText.empty() || PipelineText[0] == ')') |
| return true; |
| |
| assert(PipelineText[0] == ','); |
| PipelineText = PipelineText.substr(1); |
| } |
| } |
| |
| void PassBuilder::crossRegisterProxies(LoopAnalysisManager &LAM, |
| FunctionAnalysisManager &FAM, |
| CGSCCAnalysisManager &CGAM, |
| ModuleAnalysisManager &MAM) { |
| MAM.registerPass([&] { return FunctionAnalysisManagerModuleProxy(FAM); }); |
| MAM.registerPass([&] { return CGSCCAnalysisManagerModuleProxy(CGAM); }); |
| CGAM.registerPass([&] { return FunctionAnalysisManagerCGSCCProxy(FAM); }); |
| CGAM.registerPass([&] { return ModuleAnalysisManagerCGSCCProxy(MAM); }); |
| FAM.registerPass([&] { return CGSCCAnalysisManagerFunctionProxy(CGAM); }); |
| FAM.registerPass([&] { return ModuleAnalysisManagerFunctionProxy(MAM); }); |
| FAM.registerPass([&] { return LoopAnalysisManagerFunctionProxy(LAM); }); |
| LAM.registerPass([&] { return FunctionAnalysisManagerLoopProxy(FAM); }); |
| } |
| |
| bool PassBuilder::parseModulePassPipeline(ModulePassManager &MPM, |
| StringRef &PipelineText, |
| bool VerifyEachPass, |
| bool DebugLogging) { |
| for (;;) { |
| // Parse nested pass managers by recursing. |
| if (PipelineText.startswith("module(")) { |
| ModulePassManager NestedMPM(DebugLogging); |
| |
| // Parse the inner pipeline into the nested manager. |
| PipelineText = PipelineText.substr(strlen("module(")); |
| if (!parseModulePassPipeline(NestedMPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| PipelineText.empty()) |
| return false; |
| assert(PipelineText[0] == ')'); |
| PipelineText = PipelineText.substr(1); |
| |
| // Now add the nested manager as a module pass. |
| MPM.addPass(std::move(NestedMPM)); |
| } else if (PipelineText.startswith("cgscc(")) { |
| CGSCCPassManager NestedCGPM(DebugLogging); |
| |
| // Parse the inner pipeline inte the nested manager. |
| PipelineText = PipelineText.substr(strlen("cgscc(")); |
| if (!parseCGSCCPassPipeline(NestedCGPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| PipelineText.empty()) |
| return false; |
| assert(PipelineText[0] == ')'); |
| PipelineText = PipelineText.substr(1); |
| |
| // Add the nested pass manager with the appropriate adaptor. |
| MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(std::move(NestedCGPM), |
| DebugLogging)); |
| } else if (PipelineText.startswith("function(")) { |
| FunctionPassManager NestedFPM(DebugLogging); |
| |
| // Parse the inner pipeline inte the nested manager. |
| PipelineText = PipelineText.substr(strlen("function(")); |
| if (!parseFunctionPassPipeline(NestedFPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| PipelineText.empty()) |
| return false; |
| assert(PipelineText[0] == ')'); |
| PipelineText = PipelineText.substr(1); |
| |
| // Add the nested pass manager with the appropriate adaptor. |
| MPM.addPass(createModuleToFunctionPassAdaptor(std::move(NestedFPM))); |
| } else { |
| // Otherwise try to parse a pass name. |
| size_t End = PipelineText.find_first_of(",)"); |
| if (!parseModulePassName(MPM, PipelineText.substr(0, End), DebugLogging)) |
| return false; |
| if (VerifyEachPass) |
| MPM.addPass(VerifierPass()); |
| |
| PipelineText = PipelineText.substr(End); |
| } |
| |
| if (PipelineText.empty() || PipelineText[0] == ')') |
| return true; |
| |
| assert(PipelineText[0] == ','); |
| PipelineText = PipelineText.substr(1); |
| } |
| } |
| |
| // Primary pass pipeline description parsing routine. |
| // FIXME: Should this routine accept a TargetMachine or require the caller to |
| // pre-populate the analysis managers with target-specific stuff? |
| bool PassBuilder::parsePassPipeline(ModulePassManager &MPM, |
| StringRef PipelineText, bool VerifyEachPass, |
| bool DebugLogging) { |
| // By default, try to parse the pipeline as-if it were within an implicit |
| // 'module(...)' pass pipeline. If this will parse at all, it needs to |
| // consume the entire string. |
| if (parseModulePassPipeline(MPM, PipelineText, VerifyEachPass, DebugLogging)) |
| return PipelineText.empty(); |
| |
| // This isn't parsable as a module pipeline, look for the end of a pass name |
| // and directly drop down to that layer. |
| StringRef FirstName = |
| PipelineText.substr(0, PipelineText.find_first_of(",)")); |
| assert(!isModulePassName(FirstName) && |
| "Already handled all module pipeline options."); |
| |
| // If this looks like a CGSCC pass, parse the whole thing as a CGSCC |
| // pipeline. |
| if (PipelineText.startswith("cgscc(") || isCGSCCPassName(FirstName)) { |
| CGSCCPassManager CGPM(DebugLogging); |
| if (!parseCGSCCPassPipeline(CGPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| !PipelineText.empty()) |
| return false; |
| MPM.addPass( |
| createModuleToPostOrderCGSCCPassAdaptor(std::move(CGPM), DebugLogging)); |
| return true; |
| } |
| |
| // Similarly, if this looks like a Function pass, parse the whole thing as |
| // a Function pipelien. |
| if (PipelineText.startswith("function(") || isFunctionPassName(FirstName)) { |
| FunctionPassManager FPM(DebugLogging); |
| if (!parseFunctionPassPipeline(FPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| !PipelineText.empty()) |
| return false; |
| MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM))); |
| return true; |
| } |
| |
| // If this looks like a Loop pass, parse the whole thing as a Loop pipeline. |
| if (PipelineText.startswith("loop(") || isLoopPassName(FirstName)) { |
| LoopPassManager LPM(DebugLogging); |
| if (!parseLoopPassPipeline(LPM, PipelineText, VerifyEachPass, |
| DebugLogging) || |
| !PipelineText.empty()) |
| return false; |
| FunctionPassManager FPM(DebugLogging); |
| FPM.addPass(createFunctionToLoopPassAdaptor(std::move(LPM))); |
| MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM))); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool PassBuilder::parseAAPipeline(AAManager &AA, StringRef PipelineText) { |
| while (!PipelineText.empty()) { |
| StringRef Name; |
| std::tie(Name, PipelineText) = PipelineText.split(','); |
| if (!parseAAPassName(AA, Name)) |
| return false; |
| } |
| |
| return true; |
| } |