forked from OSchip/llvm-project
701 lines
28 KiB
C++
701 lines
28 KiB
C++
//===- Parsing, selection, and construction of pass pipelines -------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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/// \file
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///
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/// This file provides the implementation of the PassBuilder based on our
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/// static pass registry as well as related functionality. It also provides
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/// helpers to aid in analyzing, debugging, and testing passes and pass
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/// pipelines.
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///
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//===----------------------------------------------------------------------===//
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#include "llvm/Passes/PassBuilder.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Analysis/AliasAnalysis.h"
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#include "llvm/Analysis/AliasAnalysisEvaluator.h"
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#include "llvm/Analysis/AssumptionCache.h"
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#include "llvm/Analysis/BasicAliasAnalysis.h"
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#include "llvm/Analysis/BlockFrequencyInfo.h"
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#include "llvm/Analysis/BlockFrequencyInfoImpl.h"
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#include "llvm/Analysis/BranchProbabilityInfo.h"
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#include "llvm/Analysis/CFLAliasAnalysis.h"
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#include "llvm/Analysis/CGSCCPassManager.h"
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#include "llvm/Analysis/CallGraph.h"
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#include "llvm/Analysis/DemandedBits.h"
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#include "llvm/Analysis/DependenceAnalysis.h"
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#include "llvm/Analysis/DominanceFrontier.h"
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#include "llvm/Analysis/GlobalsModRef.h"
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#include "llvm/Analysis/LazyCallGraph.h"
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#include "llvm/Analysis/LoopInfo.h"
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#include "llvm/Analysis/MemoryDependenceAnalysis.h"
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#include "llvm/Analysis/PostDominators.h"
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#include "llvm/Analysis/RegionInfo.h"
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#include "llvm/Analysis/ScalarEvolution.h"
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#include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h"
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#include "llvm/Analysis/ScopedNoAliasAA.h"
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#include "llvm/Analysis/TargetLibraryInfo.h"
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#include "llvm/Analysis/TargetTransformInfo.h"
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#include "llvm/Analysis/TypeBasedAliasAnalysis.h"
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#include "llvm/IR/Dominators.h"
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#include "llvm/IR/IRPrintingPasses.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/IR/Verifier.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/Regex.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Transforms/IPO/ConstantMerge.h"
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#include "llvm/Transforms/IPO/ElimAvailExtern.h"
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#include "llvm/Transforms/IPO/ForceFunctionAttrs.h"
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#include "llvm/Transforms/IPO/FunctionAttrs.h"
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#include "llvm/Transforms/IPO/GlobalDCE.h"
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#include "llvm/Transforms/IPO/GlobalOpt.h"
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#include "llvm/Transforms/IPO/InferFunctionAttrs.h"
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#include "llvm/Transforms/IPO/Internalize.h"
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#include "llvm/Transforms/IPO/SCCP.h"
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#include "llvm/Transforms/IPO/StripDeadPrototypes.h"
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#include "llvm/Transforms/InstCombine/InstCombine.h"
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#include "llvm/Transforms/InstrProfiling.h"
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#include "llvm/Transforms/PGOInstrumentation.h"
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#include "llvm/Transforms/SampleProfile.h"
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#include "llvm/Transforms/Scalar/ADCE.h"
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#include "llvm/Transforms/Scalar/BDCE.h"
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#include "llvm/Transforms/Scalar/DCE.h"
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#include "llvm/Transforms/Scalar/DeadStoreElimination.h"
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#include "llvm/Transforms/Scalar/EarlyCSE.h"
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#include "llvm/Transforms/Scalar/GVN.h"
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#include "llvm/Transforms/Scalar/GuardWidening.h"
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#include "llvm/Transforms/Scalar/LoopRotation.h"
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#include "llvm/Transforms/Scalar/LoopSimplifyCFG.h"
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#include "llvm/Transforms/Scalar/LowerAtomic.h"
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#include "llvm/Transforms/Scalar/LowerExpectIntrinsic.h"
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#include "llvm/Transforms/Scalar/PartiallyInlineLibCalls.h"
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#include "llvm/Transforms/Scalar/Reassociate.h"
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#include "llvm/Transforms/Scalar/SCCP.h"
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#include "llvm/Transforms/Scalar/SROA.h"
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#include "llvm/Transforms/Scalar/SimplifyCFG.h"
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#include "llvm/Transforms/Scalar/Sink.h"
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#include "llvm/Transforms/Utils/MemorySSA.h"
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#include <type_traits>
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using namespace llvm;
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static Regex DefaultAliasRegex("^(default|lto-pre-link|lto)<(O[0123sz])>$");
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namespace {
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/// \brief No-op module pass which does nothing.
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struct NoOpModulePass {
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PreservedAnalyses run(Module &M) { return PreservedAnalyses::all(); }
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static StringRef name() { return "NoOpModulePass"; }
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};
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/// \brief No-op module analysis.
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class NoOpModuleAnalysis : public AnalysisInfoMixin<NoOpModuleAnalysis> {
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friend AnalysisInfoMixin<NoOpModuleAnalysis>;
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static char PassID;
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public:
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struct Result {};
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Result run(Module &) { return Result(); }
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static StringRef name() { return "NoOpModuleAnalysis"; }
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};
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/// \brief No-op CGSCC pass which does nothing.
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struct NoOpCGSCCPass {
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PreservedAnalyses run(LazyCallGraph::SCC &C) {
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return PreservedAnalyses::all();
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}
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static StringRef name() { return "NoOpCGSCCPass"; }
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};
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/// \brief No-op CGSCC analysis.
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class NoOpCGSCCAnalysis : public AnalysisInfoMixin<NoOpCGSCCAnalysis> {
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friend AnalysisInfoMixin<NoOpCGSCCAnalysis>;
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static char PassID;
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public:
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struct Result {};
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Result run(LazyCallGraph::SCC &) { return Result(); }
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static StringRef name() { return "NoOpCGSCCAnalysis"; }
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};
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/// \brief No-op function pass which does nothing.
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struct NoOpFunctionPass {
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PreservedAnalyses run(Function &F) { return PreservedAnalyses::all(); }
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static StringRef name() { return "NoOpFunctionPass"; }
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};
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/// \brief No-op function analysis.
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class NoOpFunctionAnalysis : public AnalysisInfoMixin<NoOpFunctionAnalysis> {
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friend AnalysisInfoMixin<NoOpFunctionAnalysis>;
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static char PassID;
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public:
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struct Result {};
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Result run(Function &) { return Result(); }
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static StringRef name() { return "NoOpFunctionAnalysis"; }
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};
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/// \brief No-op loop pass which does nothing.
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struct NoOpLoopPass {
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PreservedAnalyses run(Loop &L) { return PreservedAnalyses::all(); }
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static StringRef name() { return "NoOpLoopPass"; }
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};
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/// \brief No-op loop analysis.
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class NoOpLoopAnalysis : public AnalysisInfoMixin<NoOpLoopAnalysis> {
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friend AnalysisInfoMixin<NoOpLoopAnalysis>;
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static char PassID;
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public:
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struct Result {};
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Result run(Loop &) { return Result(); }
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static StringRef name() { return "NoOpLoopAnalysis"; }
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};
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char NoOpModuleAnalysis::PassID;
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char NoOpCGSCCAnalysis::PassID;
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char NoOpFunctionAnalysis::PassID;
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char NoOpLoopAnalysis::PassID;
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} // End anonymous namespace.
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void PassBuilder::registerModuleAnalyses(ModuleAnalysisManager &MAM) {
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#define MODULE_ANALYSIS(NAME, CREATE_PASS) \
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MAM.registerPass([&] { return CREATE_PASS; });
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#include "PassRegistry.def"
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}
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void PassBuilder::registerCGSCCAnalyses(CGSCCAnalysisManager &CGAM) {
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#define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
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CGAM.registerPass([&] { return CREATE_PASS; });
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#include "PassRegistry.def"
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}
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void PassBuilder::registerFunctionAnalyses(FunctionAnalysisManager &FAM) {
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#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
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FAM.registerPass([&] { return CREATE_PASS; });
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#include "PassRegistry.def"
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}
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void PassBuilder::registerLoopAnalyses(LoopAnalysisManager &LAM) {
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#define LOOP_ANALYSIS(NAME, CREATE_PASS) \
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LAM.registerPass([&] { return CREATE_PASS; });
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#include "PassRegistry.def"
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}
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void PassBuilder::addPerModuleDefaultPipeline(ModulePassManager &MPM,
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OptimizationLevel Level,
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bool DebugLogging) {
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// FIXME: Finish fleshing this out to match the legacy pipelines.
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FunctionPassManager EarlyFPM(DebugLogging);
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EarlyFPM.addPass(SimplifyCFGPass());
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EarlyFPM.addPass(SROA());
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EarlyFPM.addPass(EarlyCSEPass());
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EarlyFPM.addPass(LowerExpectIntrinsicPass());
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MPM.addPass(createModuleToFunctionPassAdaptor(std::move(EarlyFPM)));
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}
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void PassBuilder::addLTOPreLinkDefaultPipeline(ModulePassManager &MPM,
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OptimizationLevel Level,
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bool DebugLogging) {
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// FIXME: We should use a customized pre-link pipeline!
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addPerModuleDefaultPipeline(MPM, Level, DebugLogging);
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}
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void PassBuilder::addLTODefaultPipeline(ModulePassManager &MPM,
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OptimizationLevel Level,
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bool DebugLogging) {
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// FIXME: Finish fleshing this out to match the legacy LTO pipelines.
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FunctionPassManager LateFPM(DebugLogging);
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LateFPM.addPass(InstCombinePass());
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LateFPM.addPass(SimplifyCFGPass());
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MPM.addPass(createModuleToFunctionPassAdaptor(std::move(LateFPM)));
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}
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#ifndef NDEBUG
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static bool isModulePassName(StringRef Name) {
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// Manually handle aliases for pre-configured pipeline fragments.
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if (Name.startswith("default") || Name.startswith("lto"))
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return DefaultAliasRegex.match(Name);
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#define MODULE_PASS(NAME, CREATE_PASS) if (Name == NAME) return true;
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#define MODULE_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \
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return true;
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#include "PassRegistry.def"
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return false;
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}
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#endif
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static bool isCGSCCPassName(StringRef Name) {
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#define CGSCC_PASS(NAME, CREATE_PASS) if (Name == NAME) return true;
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#define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \
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return true;
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#include "PassRegistry.def"
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return false;
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}
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static bool isFunctionPassName(StringRef Name) {
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#define FUNCTION_PASS(NAME, CREATE_PASS) if (Name == NAME) return true;
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#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \
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return true;
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#include "PassRegistry.def"
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return false;
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}
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static bool isLoopPassName(StringRef Name) {
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#define LOOP_PASS(NAME, CREATE_PASS) if (Name == NAME) return true;
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#define LOOP_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \
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return true;
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#include "PassRegistry.def"
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return false;
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}
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bool PassBuilder::parseModulePassName(ModulePassManager &MPM, StringRef Name,
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bool DebugLogging) {
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// Manually handle aliases for pre-configured pipeline fragments.
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if (Name.startswith("default") || Name.startswith("lto")) {
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SmallVector<StringRef, 3> Matches;
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if (!DefaultAliasRegex.match(Name, &Matches))
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return false;
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assert(Matches.size() == 3 && "Must capture two matched strings!");
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auto L = StringSwitch<OptimizationLevel>(Matches[2])
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.Case("O0", O0)
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.Case("O1", O1)
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.Case("O2", O2)
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.Case("O3", O3)
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.Case("Os", Os)
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.Case("Oz", Oz);
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if (Matches[1] == "default") {
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addPerModuleDefaultPipeline(MPM, L, DebugLogging);
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} else if (Matches[1] == "lto-pre-link") {
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addLTOPreLinkDefaultPipeline(MPM, L, DebugLogging);
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} else {
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assert(Matches[1] == "lto" && "Not one of the matched options!");
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addLTODefaultPipeline(MPM, L, DebugLogging);
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}
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return true;
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}
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#define MODULE_PASS(NAME, CREATE_PASS) \
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if (Name == NAME) { \
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MPM.addPass(CREATE_PASS); \
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return true; \
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}
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#define MODULE_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == "require<" NAME ">") { \
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MPM.addPass(RequireAnalysisPass< \
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std::remove_reference<decltype(CREATE_PASS)>::type>()); \
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return true; \
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} \
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if (Name == "invalidate<" NAME ">") { \
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MPM.addPass(InvalidateAnalysisPass< \
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std::remove_reference<decltype(CREATE_PASS)>::type>()); \
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return true; \
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}
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#include "PassRegistry.def"
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return false;
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}
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bool PassBuilder::parseCGSCCPassName(CGSCCPassManager &CGPM, StringRef Name) {
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#define CGSCC_PASS(NAME, CREATE_PASS) \
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if (Name == NAME) { \
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CGPM.addPass(CREATE_PASS); \
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return true; \
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}
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#define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == "require<" NAME ">") { \
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CGPM.addPass(RequireAnalysisPass< \
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std::remove_reference<decltype(CREATE_PASS)>::type>()); \
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return true; \
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} \
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if (Name == "invalidate<" NAME ">") { \
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CGPM.addPass(InvalidateAnalysisPass< \
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std::remove_reference<decltype(CREATE_PASS)>::type>()); \
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return true; \
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}
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#include "PassRegistry.def"
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return false;
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}
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bool PassBuilder::parseFunctionPassName(FunctionPassManager &FPM,
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StringRef Name) {
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#define FUNCTION_PASS(NAME, CREATE_PASS) \
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if (Name == NAME) { \
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FPM.addPass(CREATE_PASS); \
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return true; \
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}
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#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == "require<" NAME ">") { \
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FPM.addPass(RequireAnalysisPass< \
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std::remove_reference<decltype(CREATE_PASS)>::type>()); \
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return true; \
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} \
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if (Name == "invalidate<" NAME ">") { \
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FPM.addPass(InvalidateAnalysisPass< \
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std::remove_reference<decltype(CREATE_PASS)>::type>()); \
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return true; \
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}
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#include "PassRegistry.def"
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return false;
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}
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bool PassBuilder::parseLoopPassName(LoopPassManager &FPM,
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StringRef Name) {
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#define LOOP_PASS(NAME, CREATE_PASS) \
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if (Name == NAME) { \
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FPM.addPass(CREATE_PASS); \
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return true; \
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}
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#define LOOP_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == "require<" NAME ">") { \
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FPM.addPass(RequireAnalysisPass< \
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std::remove_reference<decltype(CREATE_PASS)>::type>()); \
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return true; \
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} \
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if (Name == "invalidate<" NAME ">") { \
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FPM.addPass(InvalidateAnalysisPass< \
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std::remove_reference<decltype(CREATE_PASS)>::type>()); \
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return true; \
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}
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#include "PassRegistry.def"
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return false;
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}
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bool PassBuilder::parseAAPassName(AAManager &AA, StringRef Name) {
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#define MODULE_ALIAS_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == NAME) { \
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AA.registerModuleAnalysis< \
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std::remove_reference<decltype(CREATE_PASS)>::type>(); \
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return true; \
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}
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#define FUNCTION_ALIAS_ANALYSIS(NAME, CREATE_PASS) \
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if (Name == NAME) { \
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AA.registerFunctionAnalysis< \
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std::remove_reference<decltype(CREATE_PASS)>::type>(); \
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return true; \
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}
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#include "PassRegistry.def"
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return false;
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}
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bool PassBuilder::parseLoopPassPipeline(LoopPassManager &LPM,
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StringRef &PipelineText,
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bool VerifyEachPass,
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bool DebugLogging) {
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for (;;) {
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// Parse nested pass managers by recursing.
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if (PipelineText.startswith("loop(")) {
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LoopPassManager NestedLPM(DebugLogging);
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// Parse the inner pipeline inte the nested manager.
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PipelineText = PipelineText.substr(strlen("loop("));
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if (!parseLoopPassPipeline(NestedLPM, PipelineText, VerifyEachPass,
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DebugLogging) ||
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PipelineText.empty())
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return false;
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assert(PipelineText[0] == ')');
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PipelineText = PipelineText.substr(1);
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// Add the nested pass manager with the appropriate adaptor.
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LPM.addPass(std::move(NestedLPM));
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} else {
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// Otherwise try to parse a pass name.
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size_t End = PipelineText.find_first_of(",)");
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if (!parseLoopPassName(LPM, PipelineText.substr(0, End)))
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return false;
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// TODO: Ideally, we would run a LoopVerifierPass() here in the
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// VerifyEachPass case, but we don't have such a verifier yet.
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PipelineText = PipelineText.substr(End);
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}
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if (PipelineText.empty() || PipelineText[0] == ')')
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return true;
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assert(PipelineText[0] == ',');
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PipelineText = PipelineText.substr(1);
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}
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}
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bool PassBuilder::parseFunctionPassPipeline(FunctionPassManager &FPM,
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StringRef &PipelineText,
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bool VerifyEachPass,
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bool DebugLogging) {
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for (;;) {
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// Parse nested pass managers by recursing.
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if (PipelineText.startswith("function(")) {
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FunctionPassManager NestedFPM(DebugLogging);
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// Parse the inner pipeline inte the nested manager.
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PipelineText = PipelineText.substr(strlen("function("));
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if (!parseFunctionPassPipeline(NestedFPM, PipelineText, VerifyEachPass,
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DebugLogging) ||
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PipelineText.empty())
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return false;
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assert(PipelineText[0] == ')');
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PipelineText = PipelineText.substr(1);
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// Add the nested pass manager with the appropriate adaptor.
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FPM.addPass(std::move(NestedFPM));
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} else if (PipelineText.startswith("loop(")) {
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LoopPassManager NestedLPM(DebugLogging);
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// Parse the inner pipeline inte the nested manager.
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PipelineText = PipelineText.substr(strlen("loop("));
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if (!parseLoopPassPipeline(NestedLPM, PipelineText, VerifyEachPass,
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DebugLogging) ||
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PipelineText.empty())
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return false;
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assert(PipelineText[0] == ')');
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PipelineText = PipelineText.substr(1);
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// Add the nested pass manager with the appropriate adaptor.
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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)));
|
|
} 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)));
|
|
} 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)));
|
|
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;
|
|
}
|