Files
archived-llvm/include/llvm/InitializePasses.h
Petar Jovanovic 8cec6c4916 Reland "Correct dwarf unwind information in function epilogue for X86"
Reland r317100 with minor fix regarding ComputeCommonTailLength function in
BranchFolding.cpp. Skipping top CFI instructions block needs to executed on
several more return points in ComputeCommonTailLength().

Original r317100 message:

"Correct dwarf unwind information in function epilogue for X86"

This patch aims to provide correct dwarf unwind information in function
epilogue for X86.

It consists of two parts. The first part inserts CFI instructions that set
appropriate cfa offset and cfa register in emitEpilogue() in
X86FrameLowering. This part is X86 specific.

The second part is platform independent and ensures that:

- CFI instructions do not affect code generation
- Unwind information remains correct when a function is modified by
  different passes. This is done in a late pass by analyzing information
  about cfa offset and cfa register in BBs and inserting additional CFI
  directives where necessary.

Changed CFI instructions so that they:

- are duplicable
- are not counted as instructions when tail duplicating or tail merging
- can be compared as equal

Added CFIInstrInserter pass:

- analyzes each basic block to determine cfa offset and register valid at
  its entry and exit
- verifies that outgoing cfa offset and register of predecessor blocks match
  incoming values of their successors
- inserts additional CFI directives at basic block beginning to correct the
  rule for calculating CFA

Having CFI instructions in function epilogue can cause incorrect CFA
calculation rule for some basic blocks. This can happen if, due to basic
block reordering, or the existence of multiple epilogue blocks, some of the
blocks have wrong cfa offset and register values set by the epilogue block
above them.

CFIInstrInserter is currently run only on X86, but can be used by any target
that implements support for adding CFI instructions in epilogue.

Patch by Violeta Vukobrat.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317579 91177308-0d34-0410-b5e6-96231b3b80d8
2017-11-07 14:40:27 +00:00

388 lines
19 KiB
C++

//===- llvm/InitializePasses.h - Initialize All Passes ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declarations for the pass initialization routines
// for the entire LLVM project.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_INITIALIZEPASSES_H
#define LLVM_INITIALIZEPASSES_H
namespace llvm {
class PassRegistry;
/// Initialize all passes linked into the TransformUtils library.
void initializeCore(PassRegistry&);
/// Initialize all passes linked into the TransformUtils library.
void initializeTransformUtils(PassRegistry&);
/// Initialize all passes linked into the ScalarOpts library.
void initializeScalarOpts(PassRegistry&);
/// Initialize all passes linked into the ObjCARCOpts library.
void initializeObjCARCOpts(PassRegistry&);
/// Initialize all passes linked into the Vectorize library.
void initializeVectorization(PassRegistry&);
/// Initialize all passes linked into the InstCombine library.
void initializeInstCombine(PassRegistry&);
/// Initialize all passes linked into the IPO library.
void initializeIPO(PassRegistry&);
/// Initialize all passes linked into the Instrumentation library.
void initializeInstrumentation(PassRegistry&);
/// Initialize all passes linked into the Analysis library.
void initializeAnalysis(PassRegistry&);
/// Initialize all passes linked into the Coroutines library.
void initializeCoroutines(PassRegistry&);
/// Initialize all passes linked into the CodeGen library.
void initializeCodeGen(PassRegistry&);
/// Initialize all passes linked into the GlobalISel library.
void initializeGlobalISel(PassRegistry&);
/// Initialize all passes linked into the CodeGen library.
void initializeTarget(PassRegistry&);
void initializeAAEvalLegacyPassPass(PassRegistry&);
void initializeAAResultsWrapperPassPass(PassRegistry&);
void initializeADCELegacyPassPass(PassRegistry&);
void initializeAddDiscriminatorsLegacyPassPass(PassRegistry&);
void initializeAddressSanitizerModulePass(PassRegistry&);
void initializeAddressSanitizerPass(PassRegistry&);
void initializeAliasSetPrinterPass(PassRegistry&);
void initializeAlignmentFromAssumptionsPass(PassRegistry&);
void initializeAlwaysInlinerLegacyPassPass(PassRegistry&);
void initializeArgPromotionPass(PassRegistry&);
void initializeAssumptionCacheTrackerPass(PassRegistry&);
void initializeAtomicExpandPass(PassRegistry&);
void initializeBDCELegacyPassPass(PassRegistry&);
void initializeBarrierNoopPass(PassRegistry&);
void initializeBasicAAWrapperPassPass(PassRegistry&);
void initializeBlockExtractorPassPass(PassRegistry&);
void initializeBlockFrequencyInfoWrapperPassPass(PassRegistry&);
void initializeBoundsCheckingPass(PassRegistry&);
void initializeBranchFolderPassPass(PassRegistry&);
void initializeBranchProbabilityInfoWrapperPassPass(PassRegistry&);
void initializeBranchRelaxationPass(PassRegistry&);
void initializeBreakCriticalEdgesPass(PassRegistry&);
void initializeCallSiteSplittingLegacyPassPass(PassRegistry&);
void initializeCFGOnlyPrinterLegacyPassPass(PassRegistry&);
void initializeCFGOnlyViewerLegacyPassPass(PassRegistry&);
void initializeCFGPrinterLegacyPassPass(PassRegistry&);
void initializeCFGSimplifyPassPass(PassRegistry&);
void initializeCFGViewerLegacyPassPass(PassRegistry&);
void initializeCFIInstrInserterPass(PassRegistry&);
void initializeCFLAndersAAWrapperPassPass(PassRegistry&);
void initializeCFLSteensAAWrapperPassPass(PassRegistry&);
void initializeCallGraphDOTPrinterPass(PassRegistry&);
void initializeCallGraphPrinterLegacyPassPass(PassRegistry&);
void initializeCallGraphViewerPass(PassRegistry&);
void initializeCallGraphWrapperPassPass(PassRegistry&);
void initializeCodeGenPreparePass(PassRegistry&);
void initializeConstantHoistingLegacyPassPass(PassRegistry&);
void initializeCalledValuePropagationLegacyPassPass(PassRegistry &);
void initializeConstantMergeLegacyPassPass(PassRegistry&);
void initializeConstantPropagationPass(PassRegistry&);
void initializeCorrelatedValuePropagationPass(PassRegistry&);
void initializeCostModelAnalysisPass(PassRegistry&);
void initializeCountingFunctionInserterPass(PassRegistry&);
void initializeCrossDSOCFIPass(PassRegistry&);
void initializeDAEPass(PassRegistry&);
void initializeDAHPass(PassRegistry&);
void initializeDCELegacyPassPass(PassRegistry&);
void initializeDSELegacyPassPass(PassRegistry&);
void initializeDataFlowSanitizerPass(PassRegistry&);
void initializeDeadInstEliminationPass(PassRegistry&);
void initializeDeadMachineInstructionElimPass(PassRegistry&);
void initializeDelinearizationPass(PassRegistry&);
void initializeDemandedBitsWrapperPassPass(PassRegistry&);
void initializeDependenceAnalysisPass(PassRegistry&);
void initializeDependenceAnalysisWrapperPassPass(PassRegistry&);
void initializeDetectDeadLanesPass(PassRegistry&);
void initializeDivergenceAnalysisPass(PassRegistry&);
void initializeDivRemPairsLegacyPassPass(PassRegistry&);
void initializeDomOnlyPrinterPass(PassRegistry&);
void initializeDomOnlyViewerPass(PassRegistry&);
void initializeDomPrinterPass(PassRegistry&);
void initializeDomViewerPass(PassRegistry&);
void initializeDominanceFrontierWrapperPassPass(PassRegistry&);
void initializeDominatorTreeWrapperPassPass(PassRegistry&);
void initializeDwarfEHPreparePass(PassRegistry&);
void initializeEarlyCSELegacyPassPass(PassRegistry&);
void initializeEarlyCSEMemSSALegacyPassPass(PassRegistry&);
void initializeEarlyIfConverterPass(PassRegistry&);
void initializeEdgeBundlesPass(PassRegistry&);
void initializeEfficiencySanitizerPass(PassRegistry&);
void initializeEliminateAvailableExternallyLegacyPassPass(PassRegistry&);
void initializeExpandISelPseudosPass(PassRegistry&);
void initializeExpandMemCmpPassPass(PassRegistry&);
void initializeExpandPostRAPass(PassRegistry&);
void initializeExpandReductionsPass(PassRegistry&);
void initializeExternalAAWrapperPassPass(PassRegistry&);
void initializeFEntryInserterPass(PassRegistry&);
void initializeFinalizeMachineBundlesPass(PassRegistry&);
void initializeFlattenCFGPassPass(PassRegistry&);
void initializeFloat2IntLegacyPassPass(PassRegistry&);
void initializeForceFunctionAttrsLegacyPassPass(PassRegistry&);
void initializeForwardControlFlowIntegrityPass(PassRegistry&);
void initializeFuncletLayoutPass(PassRegistry&);
void initializeFunctionImportLegacyPassPass(PassRegistry&);
void initializeGCMachineCodeAnalysisPass(PassRegistry&);
void initializeGCModuleInfoPass(PassRegistry&);
void initializeGCOVProfilerLegacyPassPass(PassRegistry&);
void initializeGVNHoistLegacyPassPass(PassRegistry&);
void initializeGVNLegacyPassPass(PassRegistry&);
void initializeGVNSinkLegacyPassPass(PassRegistry&);
void initializeGlobalDCELegacyPassPass(PassRegistry&);
void initializeGlobalMergePass(PassRegistry&);
void initializeGlobalOptLegacyPassPass(PassRegistry&);
void initializeGlobalSplitPass(PassRegistry&);
void initializeGlobalsAAWrapperPassPass(PassRegistry&);
void initializeGuardWideningLegacyPassPass(PassRegistry&);
void initializeIPCPPass(PassRegistry&);
void initializeIPSCCPLegacyPassPass(PassRegistry&);
void initializeIRTranslatorPass(PassRegistry&);
void initializeIVUsersWrapperPassPass(PassRegistry&);
void initializeIfConverterPass(PassRegistry&);
void initializeImplicitNullChecksPass(PassRegistry&);
void initializeIndVarSimplifyLegacyPassPass(PassRegistry&);
void initializeInductiveRangeCheckEliminationPass(PassRegistry&);
void initializeInferAddressSpacesPass(PassRegistry&);
void initializeInferFunctionAttrsLegacyPassPass(PassRegistry&);
void initializeInlineCostAnalysisPass(PassRegistry&);
void initializeInstCountPass(PassRegistry&);
void initializeInstNamerPass(PassRegistry&);
void initializeInstSimplifierPass(PassRegistry&);
void initializeInstrProfilingLegacyPassPass(PassRegistry&);
void initializeInstructionCombiningPassPass(PassRegistry&);
void initializeInstructionSelectPass(PassRegistry&);
void initializeInterleavedAccessPass(PassRegistry&);
void initializeInternalizeLegacyPassPass(PassRegistry&);
void initializeIntervalPartitionPass(PassRegistry&);
void initializeJumpThreadingPass(PassRegistry&);
void initializeLCSSAVerificationPassPass(PassRegistry&);
void initializeLCSSAWrapperPassPass(PassRegistry&);
void initializeLazyBlockFrequencyInfoPassPass(PassRegistry&);
void initializeLazyBranchProbabilityInfoPassPass(PassRegistry&);
void initializeLazyMachineBlockFrequencyInfoPassPass(PassRegistry&);
void initializeLazyValueInfoPrinterPass(PassRegistry&);
void initializeLazyValueInfoWrapperPassPass(PassRegistry&);
void initializeLegacyLICMPassPass(PassRegistry&);
void initializeLegacyLoopSinkPassPass(PassRegistry&);
void initializeLegalizerPass(PassRegistry&);
void initializeLibCallsShrinkWrapLegacyPassPass(PassRegistry&);
void initializeLintPass(PassRegistry&);
void initializeLiveDebugValuesPass(PassRegistry&);
void initializeLiveDebugVariablesPass(PassRegistry&);
void initializeLiveIntervalsPass(PassRegistry&);
void initializeLiveRangeShrinkPass(PassRegistry&);
void initializeLiveRegMatrixPass(PassRegistry&);
void initializeLiveStacksPass(PassRegistry&);
void initializeLiveVariablesPass(PassRegistry&);
void initializeLoadStoreVectorizerPass(PassRegistry&);
void initializeLoaderPassPass(PassRegistry&);
void initializeLocalStackSlotPassPass(PassRegistry&);
void initializeLocalizerPass(PassRegistry&);
void initializeLoopAccessLegacyAnalysisPass(PassRegistry&);
void initializeLoopDataPrefetchLegacyPassPass(PassRegistry&);
void initializeLoopDeletionLegacyPassPass(PassRegistry&);
void initializeLoopDistributeLegacyPass(PassRegistry&);
void initializeLoopExtractorPass(PassRegistry&);
void initializeLoopIdiomRecognizeLegacyPassPass(PassRegistry&);
void initializeLoopInfoWrapperPassPass(PassRegistry&);
void initializeLoopInstSimplifyLegacyPassPass(PassRegistry&);
void initializeLoopInterchangePass(PassRegistry&);
void initializeLoopLoadEliminationPass(PassRegistry&);
void initializeLoopPassPass(PassRegistry&);
void initializeLoopPredicationLegacyPassPass(PassRegistry&);
void initializeLoopRerollPass(PassRegistry&);
void initializeLoopRotateLegacyPassPass(PassRegistry&);
void initializeLoopSimplifyCFGLegacyPassPass(PassRegistry&);
void initializeLoopSimplifyPass(PassRegistry&);
void initializeLoopStrengthReducePass(PassRegistry&);
void initializeLoopUnrollPass(PassRegistry&);
void initializeLoopUnswitchPass(PassRegistry&);
void initializeLoopVectorizePass(PassRegistry&);
void initializeLoopVersioningLICMPass(PassRegistry&);
void initializeLoopVersioningPassPass(PassRegistry&);
void initializeLowerAtomicLegacyPassPass(PassRegistry&);
void initializeLowerEmuTLSPass(PassRegistry&);
void initializeLowerExpectIntrinsicPass(PassRegistry&);
void initializeLowerGuardIntrinsicLegacyPassPass(PassRegistry&);
void initializeLowerIntrinsicsPass(PassRegistry&);
void initializeLowerInvokeLegacyPassPass(PassRegistry&);
void initializeLowerSwitchPass(PassRegistry&);
void initializeLowerTypeTestsPass(PassRegistry&);
void initializeMIRPrintingPassPass(PassRegistry&);
void initializeMachineBlockFrequencyInfoPass(PassRegistry&);
void initializeMachineBlockPlacementPass(PassRegistry&);
void initializeMachineBlockPlacementStatsPass(PassRegistry&);
void initializeMachineBranchProbabilityInfoPass(PassRegistry&);
void initializeMachineCSEPass(PassRegistry&);
void initializeMachineCombinerPass(PassRegistry&);
void initializeMachineCopyPropagationPass(PassRegistry&);
void initializeMachineDominanceFrontierPass(PassRegistry&);
void initializeMachineDominatorTreePass(PassRegistry&);
void initializeMachineFunctionPrinterPassPass(PassRegistry&);
void initializeMachineLICMPass(PassRegistry&);
void initializeMachineLoopInfoPass(PassRegistry&);
void initializeMachineModuleInfoPass(PassRegistry&);
void initializeMachineOptimizationRemarkEmitterPassPass(PassRegistry&);
void initializeMachineOutlinerPass(PassRegistry&);
void initializeMachinePipelinerPass(PassRegistry&);
void initializeMachinePostDominatorTreePass(PassRegistry&);
void initializeMachineRegionInfoPassPass(PassRegistry&);
void initializeMachineSchedulerPass(PassRegistry&);
void initializeMachineSinkingPass(PassRegistry&);
void initializeMachineTraceMetricsPass(PassRegistry&);
void initializeMachineVerifierPassPass(PassRegistry&);
void initializeMemCpyOptLegacyPassPass(PassRegistry&);
void initializeMemDepPrinterPass(PassRegistry&);
void initializeMemDerefPrinterPass(PassRegistry&);
void initializeMemoryDependenceWrapperPassPass(PassRegistry&);
void initializeMemorySSAPrinterLegacyPassPass(PassRegistry&);
void initializeMemorySSAWrapperPassPass(PassRegistry&);
void initializeMemorySanitizerPass(PassRegistry&);
void initializeMergeFunctionsPass(PassRegistry&);
void initializeMergeICmpsPass(PassRegistry&);
void initializeMergedLoadStoreMotionLegacyPassPass(PassRegistry&);
void initializeMetaRenamerPass(PassRegistry&);
void initializeModuleDebugInfoPrinterPass(PassRegistry&);
void initializeModuleSummaryIndexWrapperPassPass(PassRegistry&);
void initializeNameAnonGlobalLegacyPassPass(PassRegistry&);
void initializeNaryReassociateLegacyPassPass(PassRegistry&);
void initializeNewGVNLegacyPassPass(PassRegistry&);
void initializeObjCARCAAWrapperPassPass(PassRegistry&);
void initializeObjCARCAPElimPass(PassRegistry&);
void initializeObjCARCContractPass(PassRegistry&);
void initializeObjCARCExpandPass(PassRegistry&);
void initializeObjCARCOptPass(PassRegistry&);
void initializeOptimizationRemarkEmitterWrapperPassPass(PassRegistry&);
void initializeOptimizePHIsPass(PassRegistry&);
void initializePAEvalPass(PassRegistry&);
void initializePEIPass(PassRegistry&);
void initializePGOIndirectCallPromotionLegacyPassPass(PassRegistry&);
void initializePGOInstrumentationGenLegacyPassPass(PassRegistry&);
void initializePGOInstrumentationUseLegacyPassPass(PassRegistry&);
void initializePGOMemOPSizeOptLegacyPassPass(PassRegistry&);
void initializePHIEliminationPass(PassRegistry&);
void initializePartialInlinerLegacyPassPass(PassRegistry&);
void initializePartiallyInlineLibCallsLegacyPassPass(PassRegistry&);
void initializePatchableFunctionPass(PassRegistry&);
void initializePeepholeOptimizerPass(PassRegistry&);
void initializePhysicalRegisterUsageInfoPass(PassRegistry&);
void initializePlaceBackedgeSafepointsImplPass(PassRegistry&);
void initializePlaceSafepointsPass(PassRegistry&);
void initializePostDomOnlyPrinterPass(PassRegistry&);
void initializePostDomOnlyViewerPass(PassRegistry&);
void initializePostDomPrinterPass(PassRegistry&);
void initializePostDomViewerPass(PassRegistry&);
void initializePostDominatorTreeWrapperPassPass(PassRegistry&);
void initializePostMachineSchedulerPass(PassRegistry&);
void initializePostOrderFunctionAttrsLegacyPassPass(PassRegistry&);
void initializePostRAHazardRecognizerPass(PassRegistry&);
void initializePostRASchedulerPass(PassRegistry&);
void initializePreISelIntrinsicLoweringLegacyPassPass(PassRegistry&);
void initializePredicateInfoPrinterLegacyPassPass(PassRegistry&);
void initializePrintBasicBlockPassPass(PassRegistry&);
void initializePrintFunctionPassWrapperPass(PassRegistry&);
void initializePrintModulePassWrapperPass(PassRegistry&);
void initializeProcessImplicitDefsPass(PassRegistry&);
void initializeProfileSummaryInfoWrapperPassPass(PassRegistry&);
void initializePromoteLegacyPassPass(PassRegistry&);
void initializePruneEHPass(PassRegistry&);
void initializeRABasicPass(PassRegistry&);
void initializeRegAllocFastPass(PassRegistry&);
void initializeRAGreedyPass(PassRegistry&);
void initializeReassociateLegacyPassPass(PassRegistry&);
void initializeRegBankSelectPass(PassRegistry&);
void initializeRegToMemPass(PassRegistry&);
void initializeRegionInfoPassPass(PassRegistry&);
void initializeRegionOnlyPrinterPass(PassRegistry&);
void initializeRegionOnlyViewerPass(PassRegistry&);
void initializeRegionPrinterPass(PassRegistry&);
void initializeRegionViewerPass(PassRegistry&);
void initializeRegisterCoalescerPass(PassRegistry&);
void initializeRenameIndependentSubregsPass(PassRegistry&);
void initializeResetMachineFunctionPass(PassRegistry&);
void initializeReversePostOrderFunctionAttrsLegacyPassPass(PassRegistry&);
void initializeRewriteStatepointsForGCPass(PassRegistry&);
void initializeRewriteSymbolsLegacyPassPass(PassRegistry&);
void initializeSafepointIRVerifierPass(PassRegistry&);
void initializeSCCPLegacyPassPass(PassRegistry&);
void initializeSCEVAAWrapperPassPass(PassRegistry&);
void initializeSLPVectorizerPass(PassRegistry&);
void initializeSROALegacyPassPass(PassRegistry&);
void initializeSafeStackLegacyPassPass(PassRegistry&);
void initializeSampleProfileLoaderLegacyPassPass(PassRegistry&);
void initializeSanitizerCoverageModulePass(PassRegistry&);
void initializeScalarEvolutionWrapperPassPass(PassRegistry&);
void initializeScalarizeMaskedMemIntrinPass(PassRegistry&);
void initializeScalarizerPass(PassRegistry&);
void initializeScavengerTestPass(PassRegistry&);
void initializeScopedNoAliasAAWrapperPassPass(PassRegistry&);
void initializeSeparateConstOffsetFromGEPPass(PassRegistry&);
void initializeShadowStackGCLoweringPass(PassRegistry&);
void initializeShrinkWrapPass(PassRegistry&);
void initializeSimpleInlinerPass(PassRegistry&);
void initializeSimpleLoopUnswitchLegacyPassPass(PassRegistry&);
void initializeSingleLoopExtractorPass(PassRegistry&);
void initializeSinkingLegacyPassPass(PassRegistry&);
void initializeSjLjEHPreparePass(PassRegistry&);
void initializeSlotIndexesPass(PassRegistry&);
void initializeSpeculativeExecutionLegacyPassPass(PassRegistry&);
void initializeSpillPlacementPass(PassRegistry&);
void initializeStackColoringPass(PassRegistry&);
void initializeStackMapLivenessPass(PassRegistry&);
void initializeStackProtectorPass(PassRegistry&);
void initializeStackSlotColoringPass(PassRegistry&);
void initializeStraightLineStrengthReducePass(PassRegistry&);
void initializeStripDeadDebugInfoPass(PassRegistry&);
void initializeStripDeadPrototypesLegacyPassPass(PassRegistry&);
void initializeStripDebugDeclarePass(PassRegistry&);
void initializeStripGCRelocatesPass(PassRegistry&);
void initializeStripNonDebugSymbolsPass(PassRegistry&);
void initializeStripNonLineTableDebugInfoPass(PassRegistry&);
void initializeStripSymbolsPass(PassRegistry&);
void initializeStructurizeCFGPass(PassRegistry&);
void initializeTailCallElimPass(PassRegistry&);
void initializeTailDuplicatePassPass(PassRegistry&);
void initializeTargetLibraryInfoWrapperPassPass(PassRegistry&);
void initializeTargetPassConfigPass(PassRegistry&);
void initializeTargetTransformInfoWrapperPassPass(PassRegistry&);
void initializeThreadSanitizerPass(PassRegistry&);
void initializeTwoAddressInstructionPassPass(PassRegistry&);
void initializeTypeBasedAAWrapperPassPass(PassRegistry&);
void initializeUnifyFunctionExitNodesPass(PassRegistry&);
void initializeUnpackMachineBundlesPass(PassRegistry&);
void initializeUnreachableBlockElimLegacyPassPass(PassRegistry&);
void initializeUnreachableMachineBlockElimPass(PassRegistry&);
void initializeVerifierLegacyPassPass(PassRegistry&);
void initializeVirtRegMapPass(PassRegistry&);
void initializeVirtRegRewriterPass(PassRegistry&);
void initializeWholeProgramDevirtPass(PassRegistry&);
void initializeWinEHPreparePass(PassRegistry&);
void initializeWriteBitcodePassPass(PassRegistry&);
void initializeWriteThinLTOBitcodePass(PassRegistry&);
void initializeXRayInstrumentationPass(PassRegistry&);
void initializeMIRCanonicalizerPass(PassRegistry &);
} // end namespace llvm
#endif // LLVM_INITIALIZEPASSES_H