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

758 lines
31 KiB
C++

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