llvm-project/llvm/lib/Passes/PassBuilder.cpp

1760 lines
72 KiB
C++

//===- Parsing and selection of pass pipelines ----------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
/// \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/AliasAnalysisEvaluator.h"
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/BlockFrequencyInfo.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/Analysis/CFGPrinter.h"
#include "llvm/Analysis/CFLAndersAliasAnalysis.h"
#include "llvm/Analysis/CFLSteensAliasAnalysis.h"
#include "llvm/Analysis/CGSCCPassManager.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/CostModel.h"
#include "llvm/Analysis/DDG.h"
#include "llvm/Analysis/DDGPrinter.h"
#include "llvm/Analysis/Delinearization.h"
#include "llvm/Analysis/DemandedBits.h"
#include "llvm/Analysis/DependenceAnalysis.h"
#include "llvm/Analysis/DivergenceAnalysis.h"
#include "llvm/Analysis/DominanceFrontier.h"
#include "llvm/Analysis/FunctionPropertiesAnalysis.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/IRSimilarityIdentifier.h"
#include "llvm/Analysis/IVUsers.h"
#include "llvm/Analysis/InlineAdvisor.h"
#include "llvm/Analysis/InlineSizeEstimatorAnalysis.h"
#include "llvm/Analysis/InstCount.h"
#include "llvm/Analysis/LazyCallGraph.h"
#include "llvm/Analysis/LazyValueInfo.h"
#include "llvm/Analysis/Lint.h"
#include "llvm/Analysis/LoopAccessAnalysis.h"
#include "llvm/Analysis/LoopCacheAnalysis.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopNestAnalysis.h"
#include "llvm/Analysis/MemDerefPrinter.h"
#include "llvm/Analysis/MemoryDependenceAnalysis.h"
#include "llvm/Analysis/MemorySSA.h"
#include "llvm/Analysis/ModuleDebugInfoPrinter.h"
#include "llvm/Analysis/ModuleSummaryAnalysis.h"
#include "llvm/Analysis/MustExecute.h"
#include "llvm/Analysis/ObjCARCAliasAnalysis.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/PhiValues.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/StackLifetime.h"
#include "llvm/Analysis/StackSafetyAnalysis.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/TypeBasedAliasAnalysis.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/PrintPasses.h"
#include "llvm/IR/SafepointIRVerifier.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/Regex.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Transforms/AggressiveInstCombine/AggressiveInstCombine.h"
#include "llvm/Transforms/Coroutines/CoroCleanup.h"
#include "llvm/Transforms/Coroutines/CoroEarly.h"
#include "llvm/Transforms/Coroutines/CoroElide.h"
#include "llvm/Transforms/Coroutines/CoroSplit.h"
#include "llvm/Transforms/IPO/AlwaysInliner.h"
#include "llvm/Transforms/IPO/Annotation2Metadata.h"
#include "llvm/Transforms/IPO/ArgumentPromotion.h"
#include "llvm/Transforms/IPO/Attributor.h"
#include "llvm/Transforms/IPO/BlockExtractor.h"
#include "llvm/Transforms/IPO/CalledValuePropagation.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/FunctionImport.h"
#include "llvm/Transforms/IPO/GlobalDCE.h"
#include "llvm/Transforms/IPO/GlobalOpt.h"
#include "llvm/Transforms/IPO/GlobalSplit.h"
#include "llvm/Transforms/IPO/HotColdSplitting.h"
#include "llvm/Transforms/IPO/IROutliner.h"
#include "llvm/Transforms/IPO/InferFunctionAttrs.h"
#include "llvm/Transforms/IPO/Inliner.h"
#include "llvm/Transforms/IPO/Internalize.h"
#include "llvm/Transforms/IPO/LoopExtractor.h"
#include "llvm/Transforms/IPO/LowerTypeTests.h"
#include "llvm/Transforms/IPO/MergeFunctions.h"
#include "llvm/Transforms/IPO/OpenMPOpt.h"
#include "llvm/Transforms/IPO/PartialInlining.h"
#include "llvm/Transforms/IPO/SCCP.h"
#include "llvm/Transforms/IPO/SampleProfile.h"
#include "llvm/Transforms/IPO/SampleProfileProbe.h"
#include "llvm/Transforms/IPO/StripDeadPrototypes.h"
#include "llvm/Transforms/IPO/StripSymbols.h"
#include "llvm/Transforms/IPO/SyntheticCountsPropagation.h"
#include "llvm/Transforms/IPO/WholeProgramDevirt.h"
#include "llvm/Transforms/InstCombine/InstCombine.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Instrumentation/AddressSanitizer.h"
#include "llvm/Transforms/Instrumentation/BoundsChecking.h"
#include "llvm/Transforms/Instrumentation/CGProfile.h"
#include "llvm/Transforms/Instrumentation/ControlHeightReduction.h"
#include "llvm/Transforms/Instrumentation/DataFlowSanitizer.h"
#include "llvm/Transforms/Instrumentation/GCOVProfiler.h"
#include "llvm/Transforms/Instrumentation/HWAddressSanitizer.h"
#include "llvm/Transforms/Instrumentation/InstrOrderFile.h"
#include "llvm/Transforms/Instrumentation/InstrProfiling.h"
#include "llvm/Transforms/Instrumentation/MemProfiler.h"
#include "llvm/Transforms/Instrumentation/MemorySanitizer.h"
#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
#include "llvm/Transforms/Instrumentation/PoisonChecking.h"
#include "llvm/Transforms/Instrumentation/SanitizerCoverage.h"
#include "llvm/Transforms/Instrumentation/ThreadSanitizer.h"
#include "llvm/Transforms/ObjCARC.h"
#include "llvm/Transforms/Scalar/ADCE.h"
#include "llvm/Transforms/Scalar/AlignmentFromAssumptions.h"
#include "llvm/Transforms/Scalar/AnnotationRemarks.h"
#include "llvm/Transforms/Scalar/BDCE.h"
#include "llvm/Transforms/Scalar/CallSiteSplitting.h"
#include "llvm/Transforms/Scalar/ConstantHoisting.h"
#include "llvm/Transforms/Scalar/ConstraintElimination.h"
#include "llvm/Transforms/Scalar/CorrelatedValuePropagation.h"
#include "llvm/Transforms/Scalar/DCE.h"
#include "llvm/Transforms/Scalar/DFAJumpThreading.h"
#include "llvm/Transforms/Scalar/DeadStoreElimination.h"
#include "llvm/Transforms/Scalar/DivRemPairs.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/IVUsersPrinter.h"
#include "llvm/Transforms/Scalar/IndVarSimplify.h"
#include "llvm/Transforms/Scalar/InductiveRangeCheckElimination.h"
#include "llvm/Transforms/Scalar/InferAddressSpaces.h"
#include "llvm/Transforms/Scalar/InstSimplifyPass.h"
#include "llvm/Transforms/Scalar/JumpThreading.h"
#include "llvm/Transforms/Scalar/LICM.h"
#include "llvm/Transforms/Scalar/LoopAccessAnalysisPrinter.h"
#include "llvm/Transforms/Scalar/LoopBoundSplit.h"
#include "llvm/Transforms/Scalar/LoopDataPrefetch.h"
#include "llvm/Transforms/Scalar/LoopDeletion.h"
#include "llvm/Transforms/Scalar/LoopDistribute.h"
#include "llvm/Transforms/Scalar/LoopFlatten.h"
#include "llvm/Transforms/Scalar/LoopFuse.h"
#include "llvm/Transforms/Scalar/LoopIdiomRecognize.h"
#include "llvm/Transforms/Scalar/LoopInstSimplify.h"
#include "llvm/Transforms/Scalar/LoopInterchange.h"
#include "llvm/Transforms/Scalar/LoopLoadElimination.h"
#include "llvm/Transforms/Scalar/LoopPassManager.h"
#include "llvm/Transforms/Scalar/LoopPredication.h"
#include "llvm/Transforms/Scalar/LoopReroll.h"
#include "llvm/Transforms/Scalar/LoopRotation.h"
#include "llvm/Transforms/Scalar/LoopSimplifyCFG.h"
#include "llvm/Transforms/Scalar/LoopSink.h"
#include "llvm/Transforms/Scalar/LoopStrengthReduce.h"
#include "llvm/Transforms/Scalar/LoopUnrollAndJamPass.h"
#include "llvm/Transforms/Scalar/LoopUnrollPass.h"
#include "llvm/Transforms/Scalar/LoopVersioningLICM.h"
#include "llvm/Transforms/Scalar/LowerAtomic.h"
#include "llvm/Transforms/Scalar/LowerConstantIntrinsics.h"
#include "llvm/Transforms/Scalar/LowerExpectIntrinsic.h"
#include "llvm/Transforms/Scalar/LowerGuardIntrinsic.h"
#include "llvm/Transforms/Scalar/LowerMatrixIntrinsics.h"
#include "llvm/Transforms/Scalar/LowerWidenableCondition.h"
#include "llvm/Transforms/Scalar/MakeGuardsExplicit.h"
#include "llvm/Transforms/Scalar/MemCpyOptimizer.h"
#include "llvm/Transforms/Scalar/MergeICmps.h"
#include "llvm/Transforms/Scalar/MergedLoadStoreMotion.h"
#include "llvm/Transforms/Scalar/NaryReassociate.h"
#include "llvm/Transforms/Scalar/NewGVN.h"
#include "llvm/Transforms/Scalar/PartiallyInlineLibCalls.h"
#include "llvm/Transforms/Scalar/Reassociate.h"
#include "llvm/Transforms/Scalar/Reg2Mem.h"
#include "llvm/Transforms/Scalar/RewriteStatepointsForGC.h"
#include "llvm/Transforms/Scalar/SCCP.h"
#include "llvm/Transforms/Scalar/SROA.h"
#include "llvm/Transforms/Scalar/ScalarizeMaskedMemIntrin.h"
#include "llvm/Transforms/Scalar/Scalarizer.h"
#include "llvm/Transforms/Scalar/SeparateConstOffsetFromGEP.h"
#include "llvm/Transforms/Scalar/SimpleLoopUnswitch.h"
#include "llvm/Transforms/Scalar/SimplifyCFG.h"
#include "llvm/Transforms/Scalar/Sink.h"
#include "llvm/Transforms/Scalar/SpeculativeExecution.h"
#include "llvm/Transforms/Scalar/StraightLineStrengthReduce.h"
#include "llvm/Transforms/Scalar/StructurizeCFG.h"
#include "llvm/Transforms/Scalar/TailRecursionElimination.h"
#include "llvm/Transforms/Scalar/WarnMissedTransforms.h"
#include "llvm/Transforms/Utils/AddDiscriminators.h"
#include "llvm/Transforms/Utils/AssumeBundleBuilder.h"
#include "llvm/Transforms/Utils/BreakCriticalEdges.h"
#include "llvm/Transforms/Utils/CanonicalizeAliases.h"
#include "llvm/Transforms/Utils/CanonicalizeFreezeInLoops.h"
#include "llvm/Transforms/Utils/EntryExitInstrumenter.h"
#include "llvm/Transforms/Utils/FixIrreducible.h"
#include "llvm/Transforms/Utils/HelloWorld.h"
#include "llvm/Transforms/Utils/InjectTLIMappings.h"
#include "llvm/Transforms/Utils/InstructionNamer.h"
#include "llvm/Transforms/Utils/LCSSA.h"
#include "llvm/Transforms/Utils/LibCallsShrinkWrap.h"
#include "llvm/Transforms/Utils/LoopSimplify.h"
#include "llvm/Transforms/Utils/LoopVersioning.h"
#include "llvm/Transforms/Utils/LowerInvoke.h"
#include "llvm/Transforms/Utils/LowerSwitch.h"
#include "llvm/Transforms/Utils/Mem2Reg.h"
#include "llvm/Transforms/Utils/MetaRenamer.h"
#include "llvm/Transforms/Utils/NameAnonGlobals.h"
#include "llvm/Transforms/Utils/RelLookupTableConverter.h"
#include "llvm/Transforms/Utils/StripGCRelocates.h"
#include "llvm/Transforms/Utils/StripNonLineTableDebugInfo.h"
#include "llvm/Transforms/Utils/SymbolRewriter.h"
#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
#include "llvm/Transforms/Utils/UnifyLoopExits.h"
#include "llvm/Transforms/Vectorize/LoadStoreVectorizer.h"
#include "llvm/Transforms/Vectorize/LoopVectorize.h"
#include "llvm/Transforms/Vectorize/SLPVectorizer.h"
#include "llvm/Transforms/Vectorize/VectorCombine.h"
using namespace llvm;
static const Regex DefaultAliasRegex(
"^(default|thinlto-pre-link|thinlto|lto-pre-link|lto)<(O[0123sz])>$");
namespace llvm {
cl::opt<bool> PrintPipelinePasses(
"print-pipeline-passes",
cl::desc("Print a '-passes' compatible string describing the pipeline "
"(best-effort only)."));
} // namespace llvm
namespace {
// The following passes/analyses have custom names, otherwise their name will
// include `(anonymous namespace)`. These are special since they are only for
// testing purposes and don't live in a header file.
/// No-op module pass which does nothing.
struct NoOpModulePass : PassInfoMixin<NoOpModulePass> {
PreservedAnalyses run(Module &M, ModuleAnalysisManager &) {
return PreservedAnalyses::all();
}
static StringRef name() { return "NoOpModulePass"; }
};
/// No-op module analysis.
class NoOpModuleAnalysis : public AnalysisInfoMixin<NoOpModuleAnalysis> {
friend AnalysisInfoMixin<NoOpModuleAnalysis>;
static AnalysisKey Key;
public:
struct Result {};
Result run(Module &, ModuleAnalysisManager &) { return Result(); }
static StringRef name() { return "NoOpModuleAnalysis"; }
};
/// No-op CGSCC pass which does nothing.
struct NoOpCGSCCPass : PassInfoMixin<NoOpCGSCCPass> {
PreservedAnalyses run(LazyCallGraph::SCC &C, CGSCCAnalysisManager &,
LazyCallGraph &, CGSCCUpdateResult &UR) {
return PreservedAnalyses::all();
}
static StringRef name() { return "NoOpCGSCCPass"; }
};
/// No-op CGSCC analysis.
class NoOpCGSCCAnalysis : public AnalysisInfoMixin<NoOpCGSCCAnalysis> {
friend AnalysisInfoMixin<NoOpCGSCCAnalysis>;
static AnalysisKey Key;
public:
struct Result {};
Result run(LazyCallGraph::SCC &, CGSCCAnalysisManager &, LazyCallGraph &G) {
return Result();
}
static StringRef name() { return "NoOpCGSCCAnalysis"; }
};
/// No-op function pass which does nothing.
struct NoOpFunctionPass : PassInfoMixin<NoOpFunctionPass> {
PreservedAnalyses run(Function &F, FunctionAnalysisManager &) {
return PreservedAnalyses::all();
}
static StringRef name() { return "NoOpFunctionPass"; }
};
/// No-op function analysis.
class NoOpFunctionAnalysis : public AnalysisInfoMixin<NoOpFunctionAnalysis> {
friend AnalysisInfoMixin<NoOpFunctionAnalysis>;
static AnalysisKey Key;
public:
struct Result {};
Result run(Function &, FunctionAnalysisManager &) { return Result(); }
static StringRef name() { return "NoOpFunctionAnalysis"; }
};
/// No-op loop pass which does nothing.
struct NoOpLoopPass : PassInfoMixin<NoOpLoopPass> {
PreservedAnalyses run(Loop &L, LoopAnalysisManager &,
LoopStandardAnalysisResults &, LPMUpdater &) {
return PreservedAnalyses::all();
}
static StringRef name() { return "NoOpLoopPass"; }
};
/// No-op loop analysis.
class NoOpLoopAnalysis : public AnalysisInfoMixin<NoOpLoopAnalysis> {
friend AnalysisInfoMixin<NoOpLoopAnalysis>;
static AnalysisKey Key;
public:
struct Result {};
Result run(Loop &, LoopAnalysisManager &, LoopStandardAnalysisResults &) {
return Result();
}
static StringRef name() { return "NoOpLoopAnalysis"; }
};
AnalysisKey NoOpModuleAnalysis::Key;
AnalysisKey NoOpCGSCCAnalysis::Key;
AnalysisKey NoOpFunctionAnalysis::Key;
AnalysisKey NoOpLoopAnalysis::Key;
/// Whether or not we should populate a PassInstrumentationCallbacks's class to
/// pass name map.
///
/// This is for optimization purposes so we don't populate it if we never use
/// it. This should be updated if new pass instrumentation wants to use the map.
/// We currently only use this for --print-before/after.
bool shouldPopulateClassToPassNames() {
return PrintPipelinePasses || !printBeforePasses().empty() ||
!printAfterPasses().empty();
}
} // namespace
PassBuilder::PassBuilder(TargetMachine *TM, PipelineTuningOptions PTO,
Optional<PGOOptions> PGOOpt,
PassInstrumentationCallbacks *PIC)
: TM(TM), PTO(PTO), PGOOpt(PGOOpt), PIC(PIC) {
if (TM)
TM->registerPassBuilderCallbacks(*this);
if (PIC && shouldPopulateClassToPassNames()) {
#define MODULE_PASS(NAME, CREATE_PASS) \
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
#define MODULE_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
PIC->addClassToPassName(CLASS, NAME);
#define MODULE_ANALYSIS(NAME, CREATE_PASS) \
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
#define FUNCTION_PASS(NAME, CREATE_PASS) \
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
#define FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
PIC->addClassToPassName(CLASS, NAME);
#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
#define LOOP_PASS(NAME, CREATE_PASS) \
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
#define LOOP_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
PIC->addClassToPassName(CLASS, NAME);
#define LOOP_ANALYSIS(NAME, CREATE_PASS) \
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
#define CGSCC_PASS(NAME, CREATE_PASS) \
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
#define CGSCC_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
PIC->addClassToPassName(CLASS, NAME);
#define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
PIC->addClassToPassName(decltype(CREATE_PASS)::name(), NAME);
#include "PassRegistry.def"
}
}
void PassBuilder::registerModuleAnalyses(ModuleAnalysisManager &MAM) {
#define MODULE_ANALYSIS(NAME, CREATE_PASS) \
MAM.registerPass([&] { return CREATE_PASS; });
#include "PassRegistry.def"
for (auto &C : ModuleAnalysisRegistrationCallbacks)
C(MAM);
}
void PassBuilder::registerCGSCCAnalyses(CGSCCAnalysisManager &CGAM) {
#define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
CGAM.registerPass([&] { return CREATE_PASS; });
#include "PassRegistry.def"
for (auto &C : CGSCCAnalysisRegistrationCallbacks)
C(CGAM);
}
void PassBuilder::registerFunctionAnalyses(FunctionAnalysisManager &FAM) {
#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
FAM.registerPass([&] { return CREATE_PASS; });
#include "PassRegistry.def"
for (auto &C : FunctionAnalysisRegistrationCallbacks)
C(FAM);
}
void PassBuilder::registerLoopAnalyses(LoopAnalysisManager &LAM) {
#define LOOP_ANALYSIS(NAME, CREATE_PASS) \
LAM.registerPass([&] { return CREATE_PASS; });
#include "PassRegistry.def"
for (auto &C : LoopAnalysisRegistrationCallbacks)
C(LAM);
}
static Optional<int> parseRepeatPassName(StringRef Name) {
if (!Name.consume_front("repeat<") || !Name.consume_back(">"))
return None;
int Count;
if (Name.getAsInteger(0, Count) || Count <= 0)
return None;
return Count;
}
static Optional<int> parseDevirtPassName(StringRef Name) {
if (!Name.consume_front("devirt<") || !Name.consume_back(">"))
return None;
int Count;
if (Name.getAsInteger(0, Count) || Count < 0)
return None;
return Count;
}
static bool checkParametrizedPassName(StringRef Name, StringRef PassName) {
if (!Name.consume_front(PassName))
return false;
// normal pass name w/o parameters == default parameters
if (Name.empty())
return true;
return Name.startswith("<") && Name.endswith(">");
}
namespace {
/// This performs customized parsing of pass name with parameters.
///
/// We do not need parametrization of passes in textual pipeline very often,
/// yet on a rare occasion ability to specify parameters right there can be
/// useful.
///
/// \p Name - parameterized specification of a pass from a textual pipeline
/// is a string in a form of :
/// PassName '<' parameter-list '>'
///
/// Parameter list is being parsed by the parser callable argument, \p Parser,
/// It takes a string-ref of parameters and returns either StringError or a
/// parameter list in a form of a custom parameters type, all wrapped into
/// Expected<> template class.
///
template <typename ParametersParseCallableT>
auto parsePassParameters(ParametersParseCallableT &&Parser, StringRef Name,
StringRef PassName) -> decltype(Parser(StringRef{})) {
using ParametersT = typename decltype(Parser(StringRef{}))::value_type;
StringRef Params = Name;
if (!Params.consume_front(PassName)) {
assert(false &&
"unable to strip pass name from parametrized pass specification");
}
if (!Params.empty() &&
(!Params.consume_front("<") || !Params.consume_back(">"))) {
assert(false && "invalid format for parametrized pass name");
}
Expected<ParametersT> Result = Parser(Params);
assert((Result || Result.template errorIsA<StringError>()) &&
"Pass parameter parser can only return StringErrors.");
return Result;
}
/// Parser of parameters for LoopUnroll pass.
Expected<LoopUnrollOptions> parseLoopUnrollOptions(StringRef Params) {
LoopUnrollOptions UnrollOpts;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
int OptLevel = StringSwitch<int>(ParamName)
.Case("O0", 0)
.Case("O1", 1)
.Case("O2", 2)
.Case("O3", 3)
.Default(-1);
if (OptLevel >= 0) {
UnrollOpts.setOptLevel(OptLevel);
continue;
}
if (ParamName.consume_front("full-unroll-max=")) {
int Count;
if (ParamName.getAsInteger(0, Count))
return make_error<StringError>(
formatv("invalid LoopUnrollPass parameter '{0}' ", ParamName).str(),
inconvertibleErrorCode());
UnrollOpts.setFullUnrollMaxCount(Count);
continue;
}
bool Enable = !ParamName.consume_front("no-");
if (ParamName == "partial") {
UnrollOpts.setPartial(Enable);
} else if (ParamName == "peeling") {
UnrollOpts.setPeeling(Enable);
} else if (ParamName == "profile-peeling") {
UnrollOpts.setProfileBasedPeeling(Enable);
} else if (ParamName == "runtime") {
UnrollOpts.setRuntime(Enable);
} else if (ParamName == "upperbound") {
UnrollOpts.setUpperBound(Enable);
} else {
return make_error<StringError>(
formatv("invalid LoopUnrollPass parameter '{0}' ", ParamName).str(),
inconvertibleErrorCode());
}
}
return UnrollOpts;
}
Expected<bool> parseSinglePassOption(StringRef Params, StringRef OptionName,
StringRef PassName) {
bool Result = false;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
if (ParamName == OptionName) {
Result = true;
} else {
return make_error<StringError>(
formatv("invalid {1} pass parameter '{0}' ", ParamName, PassName)
.str(),
inconvertibleErrorCode());
}
}
return Result;
}
Expected<bool> parseInlinerPassOptions(StringRef Params) {
return parseSinglePassOption(Params, "only-mandatory", "InlinerPass");
}
Expected<bool> parseEarlyCSEPassOptions(StringRef Params) {
return parseSinglePassOption(Params, "memssa", "EarlyCSE");
}
Expected<bool> parseEntryExitInstrumenterPassOptions(StringRef Params) {
return parseSinglePassOption(Params, "post-inline", "EntryExitInstrumenter");
}
Expected<bool> parseLoopExtractorPassOptions(StringRef Params) {
return parseSinglePassOption(Params, "single", "LoopExtractor");
}
Expected<bool> parseLowerMatrixIntrinsicsPassOptions(StringRef Params) {
return parseSinglePassOption(Params, "minimal", "LowerMatrixIntrinsics");
}
Expected<bool> parseModuleAddressSanitizerPassOptions(StringRef Params) {
return parseSinglePassOption(Params, "kernel", "ModuleAddressSanitizer");
}
Expected<AddressSanitizerOptions> parseASanPassOptions(StringRef Params) {
AddressSanitizerOptions Result;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
if (ParamName == "kernel") {
Result.CompileKernel = true;
} else {
return make_error<StringError>(
formatv("invalid AddressSanitizer pass parameter '{0}' ", ParamName)
.str(),
inconvertibleErrorCode());
}
}
return Result;
}
Expected<HWAddressSanitizerOptions> parseHWASanPassOptions(StringRef Params) {
HWAddressSanitizerOptions Result;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
if (ParamName == "recover") {
Result.Recover = true;
} else if (ParamName == "kernel") {
Result.CompileKernel = true;
} else {
return make_error<StringError>(
formatv("invalid HWAddressSanitizer pass parameter '{0}' ", ParamName)
.str(),
inconvertibleErrorCode());
}
}
return Result;
}
Expected<MemorySanitizerOptions> parseMSanPassOptions(StringRef Params) {
MemorySanitizerOptions Result;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
if (ParamName == "recover") {
Result.Recover = true;
} else if (ParamName == "kernel") {
Result.Kernel = true;
} else if (ParamName.consume_front("track-origins=")) {
if (ParamName.getAsInteger(0, Result.TrackOrigins))
return make_error<StringError>(
formatv("invalid argument to MemorySanitizer pass track-origins "
"parameter: '{0}' ",
ParamName)
.str(),
inconvertibleErrorCode());
} else {
return make_error<StringError>(
formatv("invalid MemorySanitizer pass parameter '{0}' ", ParamName)
.str(),
inconvertibleErrorCode());
}
}
return Result;
}
/// Parser of parameters for SimplifyCFG pass.
Expected<SimplifyCFGOptions> parseSimplifyCFGOptions(StringRef Params) {
SimplifyCFGOptions Result;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
bool Enable = !ParamName.consume_front("no-");
if (ParamName == "forward-switch-cond") {
Result.forwardSwitchCondToPhi(Enable);
} else if (ParamName == "switch-to-lookup") {
Result.convertSwitchToLookupTable(Enable);
} else if (ParamName == "keep-loops") {
Result.needCanonicalLoops(Enable);
} else if (ParamName == "hoist-common-insts") {
Result.hoistCommonInsts(Enable);
} else if (ParamName == "sink-common-insts") {
Result.sinkCommonInsts(Enable);
} else if (Enable && ParamName.consume_front("bonus-inst-threshold=")) {
APInt BonusInstThreshold;
if (ParamName.getAsInteger(0, BonusInstThreshold))
return make_error<StringError>(
formatv("invalid argument to SimplifyCFG pass bonus-threshold "
"parameter: '{0}' ",
ParamName).str(),
inconvertibleErrorCode());
Result.bonusInstThreshold(BonusInstThreshold.getSExtValue());
} else {
return make_error<StringError>(
formatv("invalid SimplifyCFG pass parameter '{0}' ", ParamName).str(),
inconvertibleErrorCode());
}
}
return Result;
}
/// Parser of parameters for LoopVectorize pass.
Expected<LoopVectorizeOptions> parseLoopVectorizeOptions(StringRef Params) {
LoopVectorizeOptions Opts;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
bool Enable = !ParamName.consume_front("no-");
if (ParamName == "interleave-forced-only") {
Opts.setInterleaveOnlyWhenForced(Enable);
} else if (ParamName == "vectorize-forced-only") {
Opts.setVectorizeOnlyWhenForced(Enable);
} else {
return make_error<StringError>(
formatv("invalid LoopVectorize parameter '{0}' ", ParamName).str(),
inconvertibleErrorCode());
}
}
return Opts;
}
Expected<std::pair<bool, bool>> parseLoopUnswitchOptions(StringRef Params) {
std::pair<bool, bool> Result = {false, true};
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
bool Enable = !ParamName.consume_front("no-");
if (ParamName == "nontrivial") {
Result.first = Enable;
} else if (ParamName == "trivial") {
Result.second = Enable;
} else {
return make_error<StringError>(
formatv("invalid LoopUnswitch pass parameter '{0}' ", ParamName)
.str(),
inconvertibleErrorCode());
}
}
return Result;
}
Expected<bool> parseMergedLoadStoreMotionOptions(StringRef Params) {
bool Result = false;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
bool Enable = !ParamName.consume_front("no-");
if (ParamName == "split-footer-bb") {
Result = Enable;
} else {
return make_error<StringError>(
formatv("invalid MergedLoadStoreMotion pass parameter '{0}' ",
ParamName)
.str(),
inconvertibleErrorCode());
}
}
return Result;
}
Expected<GVNOptions> parseGVNOptions(StringRef Params) {
GVNOptions Result;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
bool Enable = !ParamName.consume_front("no-");
if (ParamName == "pre") {
Result.setPRE(Enable);
} else if (ParamName == "load-pre") {
Result.setLoadPRE(Enable);
} else if (ParamName == "split-backedge-load-pre") {
Result.setLoadPRESplitBackedge(Enable);
} else if (ParamName == "memdep") {
Result.setMemDep(Enable);
} else {
return make_error<StringError>(
formatv("invalid GVN pass parameter '{0}' ", ParamName).str(),
inconvertibleErrorCode());
}
}
return Result;
}
Expected<StackLifetime::LivenessType>
parseStackLifetimeOptions(StringRef Params) {
StackLifetime::LivenessType Result = StackLifetime::LivenessType::May;
while (!Params.empty()) {
StringRef ParamName;
std::tie(ParamName, Params) = Params.split(';');
if (ParamName == "may") {
Result = StackLifetime::LivenessType::May;
} else if (ParamName == "must") {
Result = StackLifetime::LivenessType::Must;
} else {
return make_error<StringError>(
formatv("invalid StackLifetime parameter '{0}' ", ParamName).str(),
inconvertibleErrorCode());
}
}
return Result;
}
} // namespace
/// Tests whether a pass name starts with a valid prefix for a default pipeline
/// alias.
static bool startsWithDefaultPipelineAliasPrefix(StringRef Name) {
return Name.startswith("default") || Name.startswith("thinlto") ||
Name.startswith("lto");
}
/// Tests whether registered callbacks will accept a given pass name.
///
/// When parsing a pipeline text, the type of the outermost pipeline may be
/// omitted, in which case the type is automatically determined from the first
/// pass name in the text. This may be a name that is handled through one of the
/// callbacks. We check this through the oridinary parsing callbacks by setting
/// up a dummy PassManager in order to not force the client to also handle this
/// type of query.
template <typename PassManagerT, typename CallbacksT>
static bool callbacksAcceptPassName(StringRef Name, CallbacksT &Callbacks) {
if (!Callbacks.empty()) {
PassManagerT DummyPM;
for (auto &CB : Callbacks)
if (CB(Name, DummyPM, {}))
return true;
}
return false;
}
template <typename CallbacksT>
static bool isModulePassName(StringRef Name, CallbacksT &Callbacks) {
// Manually handle aliases for pre-configured pipeline fragments.
if (startsWithDefaultPipelineAliasPrefix(Name))
return DefaultAliasRegex.match(Name);
// Explicitly handle pass manager names.
if (Name == "module")
return true;
if (Name == "cgscc")
return true;
if (Name == "function")
return true;
// Explicitly handle custom-parsed pass names.
if (parseRepeatPassName(Name))
return true;
#define MODULE_PASS(NAME, CREATE_PASS) \
if (Name == NAME) \
return true;
#define MODULE_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) \
return true;
#define MODULE_ANALYSIS(NAME, CREATE_PASS) \
if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \
return true;
#include "PassRegistry.def"
return callbacksAcceptPassName<ModulePassManager>(Name, Callbacks);
}
template <typename CallbacksT>
static bool isCGSCCPassName(StringRef Name, CallbacksT &Callbacks) {
// Explicitly handle pass manager names.
if (Name == "cgscc")
return true;
if (Name == "function")
return true;
// Explicitly handle custom-parsed pass names.
if (parseRepeatPassName(Name))
return true;
if (parseDevirtPassName(Name))
return true;
#define CGSCC_PASS(NAME, CREATE_PASS) \
if (Name == NAME) \
return true;
#define CGSCC_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) \
return true;
#define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \
return true;
#include "PassRegistry.def"
return callbacksAcceptPassName<CGSCCPassManager>(Name, Callbacks);
}
template <typename CallbacksT>
static bool isFunctionPassName(StringRef Name, CallbacksT &Callbacks) {
// Explicitly handle pass manager names.
if (Name == "function")
return true;
if (Name == "loop" || Name == "loop-mssa")
return true;
// Explicitly handle custom-parsed pass names.
if (parseRepeatPassName(Name))
return true;
#define FUNCTION_PASS(NAME, CREATE_PASS) \
if (Name == NAME) \
return true;
#define FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) \
return true;
#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \
return true;
#include "PassRegistry.def"
return callbacksAcceptPassName<FunctionPassManager>(Name, Callbacks);
}
template <typename CallbacksT>
static bool isLoopPassName(StringRef Name, CallbacksT &Callbacks,
bool &UseMemorySSA) {
UseMemorySSA = false;
// Explicitly handle custom-parsed pass names.
if (parseRepeatPassName(Name))
return true;
if (Name == "licm") {
UseMemorySSA = true;
return true;
}
#define LOOP_PASS(NAME, CREATE_PASS) \
if (Name == NAME) \
return true;
#define LOOP_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) \
return true;
#define LOOP_ANALYSIS(NAME, CREATE_PASS) \
if (Name == "require<" NAME ">" || Name == "invalidate<" NAME ">") \
return true;
#include "PassRegistry.def"
return callbacksAcceptPassName<LoopPassManager>(Name, Callbacks);
}
Optional<std::vector<PassBuilder::PipelineElement>>
PassBuilder::parsePipelineText(StringRef Text) {
std::vector<PipelineElement> ResultPipeline;
SmallVector<std::vector<PipelineElement> *, 4> PipelineStack = {
&ResultPipeline};
for (;;) {
std::vector<PipelineElement> &Pipeline = *PipelineStack.back();
size_t Pos = Text.find_first_of(",()");
Pipeline.push_back({Text.substr(0, Pos), {}});
// If we have a single terminating name, we're done.
if (Pos == Text.npos)
break;
char Sep = Text[Pos];
Text = Text.substr(Pos + 1);
if (Sep == ',')
// Just a name ending in a comma, continue.
continue;
if (Sep == '(') {
// Push the inner pipeline onto the stack to continue processing.
PipelineStack.push_back(&Pipeline.back().InnerPipeline);
continue;
}
assert(Sep == ')' && "Bogus separator!");
// When handling the close parenthesis, we greedily consume them to avoid
// empty strings in the pipeline.
do {
// If we try to pop the outer pipeline we have unbalanced parentheses.
if (PipelineStack.size() == 1)
return None;
PipelineStack.pop_back();
} while (Text.consume_front(")"));
// Check if we've finished parsing.
if (Text.empty())
break;
// Otherwise, the end of an inner pipeline always has to be followed by
// a comma, and then we can continue.
if (!Text.consume_front(","))
return None;
}
if (PipelineStack.size() > 1)
// Unbalanced paretheses.
return None;
assert(PipelineStack.back() == &ResultPipeline &&
"Wrong pipeline at the bottom of the stack!");
return {std::move(ResultPipeline)};
}
Error PassBuilder::parseModulePass(ModulePassManager &MPM,
const PipelineElement &E) {
auto &Name = E.Name;
auto &InnerPipeline = E.InnerPipeline;
// First handle complex passes like the pass managers which carry pipelines.
if (!InnerPipeline.empty()) {
if (Name == "module") {
ModulePassManager NestedMPM;
if (auto Err = parseModulePassPipeline(NestedMPM, InnerPipeline))
return Err;
MPM.addPass(std::move(NestedMPM));
return Error::success();
}
if (Name == "cgscc") {
CGSCCPassManager CGPM;
if (auto Err = parseCGSCCPassPipeline(CGPM, InnerPipeline))
return Err;
MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(std::move(CGPM)));
return Error::success();
}
if (Name == "function") {
FunctionPassManager FPM;
if (auto Err = parseFunctionPassPipeline(FPM, InnerPipeline))
return Err;
MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
return Error::success();
}
if (auto Count = parseRepeatPassName(Name)) {
ModulePassManager NestedMPM;
if (auto Err = parseModulePassPipeline(NestedMPM, InnerPipeline))
return Err;
MPM.addPass(createRepeatedPass(*Count, std::move(NestedMPM)));
return Error::success();
}
for (auto &C : ModulePipelineParsingCallbacks)
if (C(Name, MPM, InnerPipeline))
return Error::success();
// Normal passes can't have pipelines.
return make_error<StringError>(
formatv("invalid use of '{0}' pass as module pipeline", Name).str(),
inconvertibleErrorCode());
;
}
// Manually handle aliases for pre-configured pipeline fragments.
if (startsWithDefaultPipelineAliasPrefix(Name)) {
SmallVector<StringRef, 3> Matches;
if (!DefaultAliasRegex.match(Name, &Matches))
return make_error<StringError>(
formatv("unknown default pipeline alias '{0}'", Name).str(),
inconvertibleErrorCode());
assert(Matches.size() == 3 && "Must capture two matched strings!");
OptimizationLevel L = StringSwitch<OptimizationLevel>(Matches[2])
.Case("O0", OptimizationLevel::O0)
.Case("O1", OptimizationLevel::O1)
.Case("O2", OptimizationLevel::O2)
.Case("O3", OptimizationLevel::O3)
.Case("Os", OptimizationLevel::Os)
.Case("Oz", OptimizationLevel::Oz);
if (L == OptimizationLevel::O0 && Matches[1] != "thinlto" &&
Matches[1] != "lto") {
MPM.addPass(buildO0DefaultPipeline(L, Matches[1] == "thinlto-pre-link" ||
Matches[1] == "lto-pre-link"));
return Error::success();
}
// This is consistent with old pass manager invoked via opt, but
// inconsistent with clang. Clang doesn't enable loop vectorization
// but does enable slp vectorization at Oz.
PTO.LoopVectorization =
L.getSpeedupLevel() > 1 && L != OptimizationLevel::Oz;
PTO.SLPVectorization =
L.getSpeedupLevel() > 1 && L != OptimizationLevel::Oz;
if (Matches[1] == "default") {
MPM.addPass(buildPerModuleDefaultPipeline(L));
} else if (Matches[1] == "thinlto-pre-link") {
MPM.addPass(buildThinLTOPreLinkDefaultPipeline(L));
} else if (Matches[1] == "thinlto") {
MPM.addPass(buildThinLTODefaultPipeline(L, nullptr));
} else if (Matches[1] == "lto-pre-link") {
MPM.addPass(buildLTOPreLinkDefaultPipeline(L));
} else {
assert(Matches[1] == "lto" && "Not one of the matched options!");
MPM.addPass(buildLTODefaultPipeline(L, nullptr));
}
return Error::success();
}
// Finally expand the basic registered passes from the .inc file.
#define MODULE_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
MPM.addPass(CREATE_PASS); \
return Error::success(); \
}
#define MODULE_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
MPM.addPass(CREATE_PASS(Params.get())); \
return Error::success(); \
}
#define MODULE_ANALYSIS(NAME, CREATE_PASS) \
if (Name == "require<" NAME ">") { \
MPM.addPass( \
RequireAnalysisPass< \
std::remove_reference<decltype(CREATE_PASS)>::type, Module>()); \
return Error::success(); \
} \
if (Name == "invalidate<" NAME ">") { \
MPM.addPass(InvalidateAnalysisPass< \
std::remove_reference<decltype(CREATE_PASS)>::type>()); \
return Error::success(); \
}
#define CGSCC_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(CREATE_PASS)); \
return Error::success(); \
}
#define CGSCC_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
MPM.addPass( \
createModuleToPostOrderCGSCCPassAdaptor(CREATE_PASS(Params.get()))); \
return Error::success(); \
}
#define FUNCTION_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
MPM.addPass(createModuleToFunctionPassAdaptor(CREATE_PASS)); \
return Error::success(); \
}
#define FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
MPM.addPass(createModuleToFunctionPassAdaptor(CREATE_PASS(Params.get()))); \
return Error::success(); \
}
#define LOOP_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
MPM.addPass(createModuleToFunctionPassAdaptor( \
createFunctionToLoopPassAdaptor(CREATE_PASS, false, false))); \
return Error::success(); \
}
#define LOOP_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
MPM.addPass( \
createModuleToFunctionPassAdaptor(createFunctionToLoopPassAdaptor( \
CREATE_PASS(Params.get()), false, false))); \
return Error::success(); \
}
#include "PassRegistry.def"
for (auto &C : ModulePipelineParsingCallbacks)
if (C(Name, MPM, InnerPipeline))
return Error::success();
return make_error<StringError>(
formatv("unknown module pass '{0}'", Name).str(),
inconvertibleErrorCode());
}
Error PassBuilder::parseCGSCCPass(CGSCCPassManager &CGPM,
const PipelineElement &E) {
auto &Name = E.Name;
auto &InnerPipeline = E.InnerPipeline;
// First handle complex passes like the pass managers which carry pipelines.
if (!InnerPipeline.empty()) {
if (Name == "cgscc") {
CGSCCPassManager NestedCGPM;
if (auto Err = parseCGSCCPassPipeline(NestedCGPM, InnerPipeline))
return Err;
// Add the nested pass manager with the appropriate adaptor.
CGPM.addPass(std::move(NestedCGPM));
return Error::success();
}
if (Name == "function") {
FunctionPassManager FPM;
if (auto Err = parseFunctionPassPipeline(FPM, InnerPipeline))
return Err;
// Add the nested pass manager with the appropriate adaptor.
CGPM.addPass(createCGSCCToFunctionPassAdaptor(std::move(FPM)));
return Error::success();
}
if (auto Count = parseRepeatPassName(Name)) {
CGSCCPassManager NestedCGPM;
if (auto Err = parseCGSCCPassPipeline(NestedCGPM, InnerPipeline))
return Err;
CGPM.addPass(createRepeatedPass(*Count, std::move(NestedCGPM)));
return Error::success();
}
if (auto MaxRepetitions = parseDevirtPassName(Name)) {
CGSCCPassManager NestedCGPM;
if (auto Err = parseCGSCCPassPipeline(NestedCGPM, InnerPipeline))
return Err;
CGPM.addPass(
createDevirtSCCRepeatedPass(std::move(NestedCGPM), *MaxRepetitions));
return Error::success();
}
for (auto &C : CGSCCPipelineParsingCallbacks)
if (C(Name, CGPM, InnerPipeline))
return Error::success();
// Normal passes can't have pipelines.
return make_error<StringError>(
formatv("invalid use of '{0}' pass as cgscc pipeline", Name).str(),
inconvertibleErrorCode());
}
// Now expand the basic registered passes from the .inc file.
#define CGSCC_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
CGPM.addPass(CREATE_PASS); \
return Error::success(); \
}
#define CGSCC_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
CGPM.addPass(CREATE_PASS(Params.get())); \
return Error::success(); \
}
#define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
if (Name == "require<" NAME ">") { \
CGPM.addPass(RequireAnalysisPass< \
std::remove_reference<decltype(CREATE_PASS)>::type, \
LazyCallGraph::SCC, CGSCCAnalysisManager, LazyCallGraph &, \
CGSCCUpdateResult &>()); \
return Error::success(); \
} \
if (Name == "invalidate<" NAME ">") { \
CGPM.addPass(InvalidateAnalysisPass< \
std::remove_reference<decltype(CREATE_PASS)>::type>()); \
return Error::success(); \
}
#define FUNCTION_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
CGPM.addPass(createCGSCCToFunctionPassAdaptor(CREATE_PASS)); \
return Error::success(); \
}
#define FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
CGPM.addPass(createCGSCCToFunctionPassAdaptor(CREATE_PASS(Params.get()))); \
return Error::success(); \
}
#define LOOP_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
CGPM.addPass(createCGSCCToFunctionPassAdaptor( \
createFunctionToLoopPassAdaptor(CREATE_PASS, false, false))); \
return Error::success(); \
}
#define LOOP_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
CGPM.addPass( \
createCGSCCToFunctionPassAdaptor(createFunctionToLoopPassAdaptor( \
CREATE_PASS(Params.get()), false, false))); \
return Error::success(); \
}
#include "PassRegistry.def"
for (auto &C : CGSCCPipelineParsingCallbacks)
if (C(Name, CGPM, InnerPipeline))
return Error::success();
return make_error<StringError>(
formatv("unknown cgscc pass '{0}'", Name).str(),
inconvertibleErrorCode());
}
Error PassBuilder::parseFunctionPass(FunctionPassManager &FPM,
const PipelineElement &E) {
auto &Name = E.Name;
auto &InnerPipeline = E.InnerPipeline;
// First handle complex passes like the pass managers which carry pipelines.
if (!InnerPipeline.empty()) {
if (Name == "function") {
FunctionPassManager NestedFPM;
if (auto Err = parseFunctionPassPipeline(NestedFPM, InnerPipeline))
return Err;
// Add the nested pass manager with the appropriate adaptor.
FPM.addPass(std::move(NestedFPM));
return Error::success();
}
if (Name == "loop" || Name == "loop-mssa") {
LoopPassManager LPM;
if (auto Err = parseLoopPassPipeline(LPM, InnerPipeline))
return Err;
// Add the nested pass manager with the appropriate adaptor.
bool UseMemorySSA = (Name == "loop-mssa");
bool UseBFI = llvm::any_of(
InnerPipeline, [](auto Pipeline) { return Pipeline.Name == "licm"; });
bool UseBPI = llvm::any_of(InnerPipeline, [](auto Pipeline) {
return Pipeline.Name == "loop-predication";
});
FPM.addPass(createFunctionToLoopPassAdaptor(std::move(LPM), UseMemorySSA,
UseBFI, UseBPI));
return Error::success();
}
if (auto Count = parseRepeatPassName(Name)) {
FunctionPassManager NestedFPM;
if (auto Err = parseFunctionPassPipeline(NestedFPM, InnerPipeline))
return Err;
FPM.addPass(createRepeatedPass(*Count, std::move(NestedFPM)));
return Error::success();
}
for (auto &C : FunctionPipelineParsingCallbacks)
if (C(Name, FPM, InnerPipeline))
return Error::success();
// Normal passes can't have pipelines.
return make_error<StringError>(
formatv("invalid use of '{0}' pass as function pipeline", Name).str(),
inconvertibleErrorCode());
}
// Now expand the basic registered passes from the .inc file.
#define FUNCTION_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
FPM.addPass(CREATE_PASS); \
return Error::success(); \
}
#define FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
FPM.addPass(CREATE_PASS(Params.get())); \
return Error::success(); \
}
#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
if (Name == "require<" NAME ">") { \
FPM.addPass( \
RequireAnalysisPass< \
std::remove_reference<decltype(CREATE_PASS)>::type, Function>()); \
return Error::success(); \
} \
if (Name == "invalidate<" NAME ">") { \
FPM.addPass(InvalidateAnalysisPass< \
std::remove_reference<decltype(CREATE_PASS)>::type>()); \
return Error::success(); \
}
// FIXME: UseMemorySSA is set to false. Maybe we could do things like:
// bool UseMemorySSA = !("canon-freeze" || "loop-predication" ||
// "guard-widening");
// The risk is that it may become obsolete if we're not careful.
#define LOOP_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
FPM.addPass(createFunctionToLoopPassAdaptor(CREATE_PASS, false, false)); \
return Error::success(); \
}
#define LOOP_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
FPM.addPass(createFunctionToLoopPassAdaptor(CREATE_PASS(Params.get()), \
false, false)); \
return Error::success(); \
}
#include "PassRegistry.def"
for (auto &C : FunctionPipelineParsingCallbacks)
if (C(Name, FPM, InnerPipeline))
return Error::success();
return make_error<StringError>(
formatv("unknown function pass '{0}'", Name).str(),
inconvertibleErrorCode());
}
Error PassBuilder::parseLoopPass(LoopPassManager &LPM,
const PipelineElement &E) {
StringRef Name = E.Name;
auto &InnerPipeline = E.InnerPipeline;
// First handle complex passes like the pass managers which carry pipelines.
if (!InnerPipeline.empty()) {
if (Name == "loop") {
LoopPassManager NestedLPM;
if (auto Err = parseLoopPassPipeline(NestedLPM, InnerPipeline))
return Err;
// Add the nested pass manager with the appropriate adaptor.
LPM.addPass(std::move(NestedLPM));
return Error::success();
}
if (auto Count = parseRepeatPassName(Name)) {
LoopPassManager NestedLPM;
if (auto Err = parseLoopPassPipeline(NestedLPM, InnerPipeline))
return Err;
LPM.addPass(createRepeatedPass(*Count, std::move(NestedLPM)));
return Error::success();
}
for (auto &C : LoopPipelineParsingCallbacks)
if (C(Name, LPM, InnerPipeline))
return Error::success();
// Normal passes can't have pipelines.
return make_error<StringError>(
formatv("invalid use of '{0}' pass as loop pipeline", Name).str(),
inconvertibleErrorCode());
}
// Now expand the basic registered passes from the .inc file.
#define LOOP_PASS(NAME, CREATE_PASS) \
if (Name == NAME) { \
LPM.addPass(CREATE_PASS); \
return Error::success(); \
}
#define LOOP_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
if (checkParametrizedPassName(Name, NAME)) { \
auto Params = parsePassParameters(PARSER, Name, NAME); \
if (!Params) \
return Params.takeError(); \
LPM.addPass(CREATE_PASS(Params.get())); \
return Error::success(); \
}
#define LOOP_ANALYSIS(NAME, CREATE_PASS) \
if (Name == "require<" NAME ">") { \
LPM.addPass(RequireAnalysisPass< \
std::remove_reference<decltype(CREATE_PASS)>::type, Loop, \
LoopAnalysisManager, LoopStandardAnalysisResults &, \
LPMUpdater &>()); \
return Error::success(); \
} \
if (Name == "invalidate<" NAME ">") { \
LPM.addPass(InvalidateAnalysisPass< \
std::remove_reference<decltype(CREATE_PASS)>::type>()); \
return Error::success(); \
}
#include "PassRegistry.def"
for (auto &C : LoopPipelineParsingCallbacks)
if (C(Name, LPM, InnerPipeline))
return Error::success();
return make_error<StringError>(formatv("unknown loop pass '{0}'", Name).str(),
inconvertibleErrorCode());
}
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"
for (auto &C : AAParsingCallbacks)
if (C(Name, AA))
return true;
return false;
}
Error PassBuilder::parseLoopPassPipeline(LoopPassManager &LPM,
ArrayRef<PipelineElement> Pipeline) {
for (const auto &Element : Pipeline) {
if (auto Err = parseLoopPass(LPM, Element))
return Err;
}
return Error::success();
}
Error PassBuilder::parseFunctionPassPipeline(
FunctionPassManager &FPM, ArrayRef<PipelineElement> Pipeline) {
for (const auto &Element : Pipeline) {
if (auto Err = parseFunctionPass(FPM, Element))
return Err;
}
return Error::success();
}
Error PassBuilder::parseCGSCCPassPipeline(CGSCCPassManager &CGPM,
ArrayRef<PipelineElement> Pipeline) {
for (const auto &Element : Pipeline) {
if (auto Err = parseCGSCCPass(CGPM, Element))
return Err;
}
return Error::success();
}
void PassBuilder::crossRegisterProxies(LoopAnalysisManager &LAM,
FunctionAnalysisManager &FAM,
CGSCCAnalysisManager &CGAM,
ModuleAnalysisManager &MAM) {
MAM.registerPass([&] { return FunctionAnalysisManagerModuleProxy(FAM); });
MAM.registerPass([&] { return CGSCCAnalysisManagerModuleProxy(CGAM); });
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); });
}
Error PassBuilder::parseModulePassPipeline(ModulePassManager &MPM,
ArrayRef<PipelineElement> Pipeline) {
for (const auto &Element : Pipeline) {
if (auto Err = parseModulePass(MPM, Element))
return Err;
}
return Error::success();
}
// Primary pass pipeline description parsing routine for a \c ModulePassManager
// FIXME: Should this routine accept a TargetMachine or require the caller to
// pre-populate the analysis managers with target-specific stuff?
Error PassBuilder::parsePassPipeline(ModulePassManager &MPM,
StringRef PipelineText) {
auto Pipeline = parsePipelineText(PipelineText);
if (!Pipeline || Pipeline->empty())
return make_error<StringError>(
formatv("invalid pipeline '{0}'", PipelineText).str(),
inconvertibleErrorCode());
// If the first name isn't at the module layer, wrap the pipeline up
// automatically.
StringRef FirstName = Pipeline->front().Name;
if (!isModulePassName(FirstName, ModulePipelineParsingCallbacks)) {
bool UseMemorySSA;
if (isCGSCCPassName(FirstName, CGSCCPipelineParsingCallbacks)) {
Pipeline = {{"cgscc", std::move(*Pipeline)}};
} else if (isFunctionPassName(FirstName,
FunctionPipelineParsingCallbacks)) {
Pipeline = {{"function", std::move(*Pipeline)}};
} else if (isLoopPassName(FirstName, LoopPipelineParsingCallbacks,
UseMemorySSA)) {
Pipeline = {{"function", {{UseMemorySSA ? "loop-mssa" : "loop",
std::move(*Pipeline)}}}};
} else {
for (auto &C : TopLevelPipelineParsingCallbacks)
if (C(MPM, *Pipeline))
return Error::success();
// Unknown pass or pipeline name!
auto &InnerPipeline = Pipeline->front().InnerPipeline;
return make_error<StringError>(
formatv("unknown {0} name '{1}'",
(InnerPipeline.empty() ? "pass" : "pipeline"), FirstName)
.str(),
inconvertibleErrorCode());
}
}
if (auto Err = parseModulePassPipeline(MPM, *Pipeline))
return Err;
return Error::success();
}
// Primary pass pipeline description parsing routine for a \c CGSCCPassManager
Error PassBuilder::parsePassPipeline(CGSCCPassManager &CGPM,
StringRef PipelineText) {
auto Pipeline = parsePipelineText(PipelineText);
if (!Pipeline || Pipeline->empty())
return make_error<StringError>(
formatv("invalid pipeline '{0}'", PipelineText).str(),
inconvertibleErrorCode());
StringRef FirstName = Pipeline->front().Name;
if (!isCGSCCPassName(FirstName, CGSCCPipelineParsingCallbacks))
return make_error<StringError>(
formatv("unknown cgscc pass '{0}' in pipeline '{1}'", FirstName,
PipelineText)
.str(),
inconvertibleErrorCode());
if (auto Err = parseCGSCCPassPipeline(CGPM, *Pipeline))
return Err;
return Error::success();
}
// Primary pass pipeline description parsing routine for a \c
// FunctionPassManager
Error PassBuilder::parsePassPipeline(FunctionPassManager &FPM,
StringRef PipelineText) {
auto Pipeline = parsePipelineText(PipelineText);
if (!Pipeline || Pipeline->empty())
return make_error<StringError>(
formatv("invalid pipeline '{0}'", PipelineText).str(),
inconvertibleErrorCode());
StringRef FirstName = Pipeline->front().Name;
if (!isFunctionPassName(FirstName, FunctionPipelineParsingCallbacks))
return make_error<StringError>(
formatv("unknown function pass '{0}' in pipeline '{1}'", FirstName,
PipelineText)
.str(),
inconvertibleErrorCode());
if (auto Err = parseFunctionPassPipeline(FPM, *Pipeline))
return Err;
return Error::success();
}
// Primary pass pipeline description parsing routine for a \c LoopPassManager
Error PassBuilder::parsePassPipeline(LoopPassManager &CGPM,
StringRef PipelineText) {
auto Pipeline = parsePipelineText(PipelineText);
if (!Pipeline || Pipeline->empty())
return make_error<StringError>(
formatv("invalid pipeline '{0}'", PipelineText).str(),
inconvertibleErrorCode());
if (auto Err = parseLoopPassPipeline(CGPM, *Pipeline))
return Err;
return Error::success();
}
Error PassBuilder::parseAAPipeline(AAManager &AA, StringRef PipelineText) {
// If the pipeline just consists of the word 'default' just replace the AA
// manager with our default one.
if (PipelineText == "default") {
AA = buildDefaultAAPipeline();
return Error::success();
}
while (!PipelineText.empty()) {
StringRef Name;
std::tie(Name, PipelineText) = PipelineText.split(',');
if (!parseAAPassName(AA, Name))
return make_error<StringError>(
formatv("unknown alias analysis name '{0}'", Name).str(),
inconvertibleErrorCode());
}
return Error::success();
}
bool PassBuilder::isAAPassName(StringRef PassName) {
#define MODULE_ALIAS_ANALYSIS(NAME, CREATE_PASS) \
if (PassName == NAME) \
return true;
#define FUNCTION_ALIAS_ANALYSIS(NAME, CREATE_PASS) \
if (PassName == NAME) \
return true;
#include "PassRegistry.def"
return false;
}
bool PassBuilder::isAnalysisPassName(StringRef PassName) {
#define MODULE_ANALYSIS(NAME, CREATE_PASS) \
if (PassName == NAME) \
return true;
#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) \
if (PassName == NAME) \
return true;
#define LOOP_ANALYSIS(NAME, CREATE_PASS) \
if (PassName == NAME) \
return true;
#define CGSCC_ANALYSIS(NAME, CREATE_PASS) \
if (PassName == NAME) \
return true;
#define MODULE_ALIAS_ANALYSIS(NAME, CREATE_PASS) \
if (PassName == NAME) \
return true;
#define FUNCTION_ALIAS_ANALYSIS(NAME, CREATE_PASS) \
if (PassName == NAME) \
return true;
#include "PassRegistry.def"
return false;
}
static void printPassName(StringRef PassName, raw_ostream &OS) {
OS << " " << PassName << "\n";
}
static void printPassName(StringRef PassName, StringRef Params,
raw_ostream &OS) {
OS << " " << PassName << "<" << Params << ">\n";
}
void PassBuilder::printPassNames(raw_ostream &OS) {
// TODO: print pass descriptions when they are available
OS << "Module passes:\n";
#define MODULE_PASS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "Module passes with params:\n";
#define MODULE_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
printPassName(NAME, PARAMS, OS);
#include "PassRegistry.def"
OS << "Module analyses:\n";
#define MODULE_ANALYSIS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "Module alias analyses:\n";
#define MODULE_ALIAS_ANALYSIS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "CGSCC passes:\n";
#define CGSCC_PASS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "CGSCC passes with params:\n";
#define CGSCC_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
printPassName(NAME, PARAMS, OS);
#include "PassRegistry.def"
OS << "CGSCC analyses:\n";
#define CGSCC_ANALYSIS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "Function passes:\n";
#define FUNCTION_PASS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "Function passes with params:\n";
#define FUNCTION_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
printPassName(NAME, PARAMS, OS);
#include "PassRegistry.def"
OS << "Function analyses:\n";
#define FUNCTION_ANALYSIS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "Function alias analyses:\n";
#define FUNCTION_ALIAS_ANALYSIS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "Loop passes:\n";
#define LOOP_PASS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
OS << "Loop passes with params:\n";
#define LOOP_PASS_WITH_PARAMS(NAME, CLASS, CREATE_PASS, PARSER, PARAMS) \
printPassName(NAME, PARAMS, OS);
#include "PassRegistry.def"
OS << "Loop analyses:\n";
#define LOOP_ANALYSIS(NAME, CREATE_PASS) printPassName(NAME, OS);
#include "PassRegistry.def"
}
void PassBuilder::registerParseTopLevelPipelineCallback(
const std::function<bool(ModulePassManager &, ArrayRef<PipelineElement>)>
&C) {
TopLevelPipelineParsingCallbacks.push_back(C);
}