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AccelTable.h	18.97 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Analysis.h	6.92 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
AntiDepBreaker.h	3.93 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
AsmPrinter.h	34.99 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
AsmPrinterHandler.h	2.6 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
AssignmentTrackingAnalysis.h	4.83 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
AtomicExpand.h	834 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
AtomicExpandUtils.h	2.51 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
BasicBlockSectionUtils.h	1.46 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
BasicBlockSectionsProfileReader.h	7.98 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
BasicTTIImpl.h	108.17 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ByteProvider.h	3.24 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CFIFixup.h	1.09 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CSEConfigBase.h	1.09 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CalcSpillWeights.h	4.46 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CallBrPrepare.h	706 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CallingConvLower.h	20.44 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CodeGenCommonISel.h	10.74 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CodeGenPrepare.h	968 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CommandFlags.h	5.16 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ComplexDeinterleavingPass.h	1.5 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
CostTable.h	2.64 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DAGCombine.h	606 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DFAPacketizer.h	8.3 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DIE.h	34.41 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DIEValue.def	1.43 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DbgEntityHistoryCalculator.h	5.54 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DeadMachineInstructionElim.h	826 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DebugHandlerBase.h	5.25 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DetectDeadLanes.h	4.21 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DwarfEHPrepare.h	1.02 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
DwarfStringPoolEntry.h	3.74 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
EdgeBundles.h	2.15 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ExecutionDomainFix.h	7.75 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ExpandLargeDivRem.h	860 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ExpandLargeFpConvert.h	882 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ExpandMemCmp.h	818 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ExpandReductions.h	726 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ExpandVectorPredication.h	761 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
FastISel.h	22.09 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
FaultMaps.h	1.97 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
FinalizeISel.h	724 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
FunctionLoweringInfo.h	10.63 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
GCMetadata.h	9.02 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
GCMetadataPrinter.h	2.46 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
GenVT.inc	32.94 KB	-rw-r--r--	2025-04-30 01:50:25	Edit Del
GlobalISel	-	drwxr-xr-x	2025-05-28 10:12:49	Del
GlobalMerge.h	1.79 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
HardwareLoops.h	2.02 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ISDOpcodes.h	69.03 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
IndirectBrExpand.h	830 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
IndirectThunks.h	8.83 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
InterleavedAccess.h	1.05 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
InterleavedLoadCombine.h	864 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
IntrinsicLowering.h	1.64 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
JMCInstrumenter.h	711 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LatencyPriorityQueue.h	3.1 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LazyMachineBlockFrequencyInfo.h	2.75 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LexicalScopes.h	9.99 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LinkAllAsmWriterComponents.h	1.5 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LinkAllCodegenComponents.h	2.42 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveDebugVariables.h	2.25 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveInterval.h	37.8 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveIntervalCalc.h	2.9 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveIntervalUnion.h	7.1 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveIntervals.h	20.62 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LivePhysRegs.h	8.4 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveRangeCalc.h	11.45 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveRangeEdit.h	10.26 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveRegMatrix.h	6.42 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveRegUnits.h	6.11 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveStacks.h	3.44 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LiveVariables.h	13.67 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LocalStackSlotAllocation.h	787 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LoopTraversal.h	4.38 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LowLevelTypeUtils.h	1.55 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
LowerEmuTLS.h	881 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MBFIWrapper.h	1.48 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MIRFSDiscriminator.h	2.19 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MIRFormatter.h	3.33 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MIRParser	-	drwxr-xr-x	2025-05-28 10:12:49	Del
MIRPrinter.h	2.25 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MIRSampleProfile.h	2.18 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MIRYamlMapping.h	30.03 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachORelocation.h	2.19 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineBasicBlock.h	57.88 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineBlockFrequencyInfo.h	5.72 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineBranchProbabilityInfo.h	3.48 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineCFGPrinter.h	3.02 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineCombinerPattern.h	1.38 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineConstantPool.h	5.28 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineConvergenceVerifier.h	936 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineCycleAnalysis.h	1.71 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineDomTreeUpdater.h	2.8 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineDominanceFrontier.h	2.91 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineDominators.h	12.53 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineFrameInfo.h	35.22 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineFunction.h	56.95 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineFunctionAnalysis.h	1.52 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineFunctionPass.h	2.93 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineInstr.h	83.04 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineInstrBuilder.h	25.92 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineInstrBundle.h	10.49 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineInstrBundleIterator.h	10.92 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineJumpTableInfo.h	5.05 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineLoopInfo.h	7.46 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineLoopUtils.h	1.52 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineMemOperand.h	14.04 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineModuleInfo.h	9.28 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineModuleInfoImpls.h	4.54 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineModuleSlotTracker.h	1.53 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineOperand.h	39.99 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineOptimizationRemarkEmitter.h	10.06 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineOutliner.h	9.66 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachinePassManager.h	8.93 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachinePassRegistry.h	6.1 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachinePipeliner.h	23.53 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachinePostDominators.h	4 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineRegionInfo.h	5.93 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineRegisterInfo.h	49.04 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineSSAContext.h	1.45 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineSSAUpdater.h	4.79 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineScheduler.h	48.31 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineSizeOpts.h	1.86 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineStableHash.h	1.17 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineTraceMetrics.h	17.58 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineUniformityAnalysis.h	1.93 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MachineVerifier.h	898 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MacroFusion.h	2.38 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ModuloSchedule.h	18.9 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
MultiHazardRecognizer.h	1.56 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
NonRelocatableStringpool.h	2.69 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
PBQP	-	drwxr-xr-x	2025-05-28 10:12:49	Del
PBQPRAConstraint.h	1.83 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
PHIElimination.h	762 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Passes.h	23.61 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
PreISelIntrinsicLowering.h	1.04 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
PseudoSourceValue.h	4.56 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
PseudoSourceValueManager.h	2.36 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RDFGraph.h	33.11 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RDFLiveness.h	5.15 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RDFRegisters.h	10.53 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ReachingDefAnalysis.h	11.15 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegAllocCommon.h	954 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegAllocFast.h	1.65 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegAllocPBQP.h	16.6 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegAllocRegistry.h	2.33 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Register.h	6.01 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegisterBank.h	2.97 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegisterBankInfo.h	30.84 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegisterClassInfo.h	5.04 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegisterPressure.h	21.14 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegisterScavenging.h	6.03 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RegisterUsageInfo.h	2.29 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ReplaceWithVeclib.h	1.41 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ResourcePriorityQueue.h	4.15 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
RuntimeLibcallUtil.h	3.77 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SDNodeProperties.td	1.57 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SDPatternMatch.h	27.78 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SafeStack.h	799 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ScheduleDAG.h	30.07 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ScheduleDAGInstrs.h	15.11 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ScheduleDAGMutation.h	1021 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ScheduleDFS.h	5.79 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ScheduleHazardRecognizer.h	4.91 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SchedulerRegistry.h	4.3 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ScoreboardHazardRecognizer.h	3.8 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SelectOptimize.h	1.03 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SelectionDAG.h	111.08 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SelectionDAGAddressAnalysis.h	3.68 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SelectionDAGISel.h	18.2 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SelectionDAGNodes.h	113.81 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SelectionDAGTargetInfo.h	7.89 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ShadowStackGCLowering.h	745 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SjLjEHPrepare.h	821 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SlotIndexes.h	24.7 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
Spiller.h	1.19 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
StackMaps.h	13.35 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
StackProtector.h	4.15 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SwiftErrorValueTracking.h	3.85 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
SwitchLoweringUtils.h	10.62 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TailDuplicator.h	5.47 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetCallingConv.h	8.79 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetFrameLowering.h	20.66 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetInstrInfo.h	104.43 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetLowering.h	243.41 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetLoweringObjectFileImpl.h	13.71 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
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TargetPassConfig.h	18.5 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetRegisterInfo.h	58.35 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetSchedule.h	7.73 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TargetSubtargetInfo.h	13.58 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TileShapeInfo.h	2.95 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TwoAddressInstructionPass.h	974 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
TypePromotion.h	982 B	-rw-r--r--	2025-01-14 09:41:02	Edit Del
UnreachableBlockElim.h	1.38 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
VLIWMachineScheduler.h	8.93 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ValueTypes.h	20.05 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
ValueTypes.td	16.02 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
VirtRegMap.h	7.04 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
WasmEHFuncInfo.h	2.95 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del
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WindowScheduler.h	8.08 KB	-rw-r--r--	2025-01-14 09:41:02	Edit Del

Editing: MachineDominators.h (12.53 KB)

//==- llvm/CodeGen/MachineDominators.h - Machine Dom Calculation -*- C++ -*-==//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file defines classes mirroring those in llvm/Analysis/Dominators.h,
// but for target-specific code rather than target-independent IR.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_MACHINEDOMINATORS_H
#define LLVM_CODEGEN_MACHINEDOMINATORS_H

#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBundleIterator.h"
#include "llvm/CodeGen/MachinePassManager.h"
#include "llvm/Support/GenericDomTree.h"
#include <cassert>
#include <memory>
#include <optional>

namespace llvm {
class AnalysisUsage;
class MachineFunction;
class Module;
class raw_ostream;

template <>
inline void DominatorTreeBase<MachineBasicBlock, false>::addRoot(
    MachineBasicBlock *MBB) {
  this->Roots.push_back(MBB);
}

extern template class DomTreeNodeBase<MachineBasicBlock>;
extern template class DominatorTreeBase<MachineBasicBlock, false>; // DomTree

using MachineDomTreeNode = DomTreeNodeBase<MachineBasicBlock>;

namespace DomTreeBuilder {
using MBBDomTree = DomTreeBase<MachineBasicBlock>;
using MBBUpdates = ArrayRef<llvm::cfg::Update<MachineBasicBlock *>>;
using MBBDomTreeGraphDiff = GraphDiff<MachineBasicBlock *, false>;

extern template void Calculate<MBBDomTree>(MBBDomTree &DT);
extern template void CalculateWithUpdates<MBBDomTree>(MBBDomTree &DT,
                                                      MBBUpdates U);

extern template void InsertEdge<MBBDomTree>(MBBDomTree &DT,
                                            MachineBasicBlock *From,
                                            MachineBasicBlock *To);

extern template void DeleteEdge<MBBDomTree>(MBBDomTree &DT,
                                            MachineBasicBlock *From,
                                            MachineBasicBlock *To);

extern template void ApplyUpdates<MBBDomTree>(MBBDomTree &DT,
                                              MBBDomTreeGraphDiff &,
                                              MBBDomTreeGraphDiff *);

extern template bool Verify<MBBDomTree>(const MBBDomTree &DT,
                                        MBBDomTree::VerificationLevel VL);
} // namespace DomTreeBuilder

//===-------------------------------------
/// DominatorTree Class - Concrete subclass of DominatorTreeBase that is used to
/// compute a normal dominator tree.
///
class MachineDominatorTree : public DomTreeBase<MachineBasicBlock> {
  /// Helper structure used to hold all the basic blocks
  /// involved in the split of a critical edge.
  struct CriticalEdge {
    MachineBasicBlock *FromBB;
    MachineBasicBlock *ToBB;
    MachineBasicBlock *NewBB;
  };

  /// Pile up all the critical edges to be split.
  /// The splitting of a critical edge is local and thus, it is possible
  /// to apply several of those changes at the same time.
  mutable SmallVector<CriticalEdge, 32> CriticalEdgesToSplit;

  /// Remember all the basic blocks that are inserted during
  /// edge splitting.
  /// Invariant: NewBBs == all the basic blocks contained in the NewBB
  /// field of all the elements of CriticalEdgesToSplit.
  /// I.e., forall elt in CriticalEdgesToSplit, it exists BB in NewBBs
  /// such as BB == elt.NewBB.
  mutable SmallSet<MachineBasicBlock *, 32> NewBBs;

  /// Apply all the recorded critical edges to the DT.
  /// This updates the underlying DT information in a way that uses
  /// the fast query path of DT as much as possible.
  /// FIXME: This method should not be a const member!
  ///
  /// \post CriticalEdgesToSplit.empty().
  void applySplitCriticalEdges() const;

public:
  using Base = DomTreeBase<MachineBasicBlock>;

  MachineDominatorTree() = default;
  explicit MachineDominatorTree(MachineFunction &MF) { calculate(MF); }

  /// Handle invalidation explicitly.
  bool invalidate(MachineFunction &, const PreservedAnalyses &PA,
                  MachineFunctionAnalysisManager::Invalidator &);

  // FIXME: If there is an updater for MachineDominatorTree,
  // migrate to this updater and remove these wrappers.

  MachineDominatorTree &getBase() {
    applySplitCriticalEdges();
    return *this;
  }

  MachineBasicBlock *getRoot() const {
    applySplitCriticalEdges();
    return Base::getRoot();
  }

  MachineDomTreeNode *getRootNode() const {
    applySplitCriticalEdges();
    return const_cast<MachineDomTreeNode *>(Base::getRootNode());
  }

  void calculate(MachineFunction &F);

  bool dominates(const MachineDomTreeNode *A,
                 const MachineDomTreeNode *B) const {
    applySplitCriticalEdges();
    return Base::dominates(A, B);
  }

  void getDescendants(MachineBasicBlock *A,
                      SmallVectorImpl<MachineBasicBlock *> &Result) {
    applySplitCriticalEdges();
    Base::getDescendants(A, Result);
  }

  bool dominates(const MachineBasicBlock *A, const MachineBasicBlock *B) const {
    applySplitCriticalEdges();
    return Base::dominates(A, B);
  }

  // dominates - Return true if A dominates B. This performs the
  // special checks necessary if A and B are in the same basic block.
  bool dominates(const MachineInstr *A, const MachineInstr *B) const {
    applySplitCriticalEdges();
    const MachineBasicBlock *BBA = A->getParent(), *BBB = B->getParent();
    if (BBA != BBB)
      return Base::dominates(BBA, BBB);

    // Loop through the basic block until we find A or B.
    MachineBasicBlock::const_iterator I = BBA->begin();
    for (; &*I != A && &*I != B; ++I)
      /*empty*/ ;

    return &*I == A;
  }

  bool properlyDominates(const MachineDomTreeNode *A,
                         const MachineDomTreeNode *B) const {
    applySplitCriticalEdges();
    return Base::properlyDominates(A, B);
  }

  bool properlyDominates(const MachineBasicBlock *A,
                         const MachineBasicBlock *B) const {
    applySplitCriticalEdges();
    return Base::properlyDominates(A, B);
  }

  /// findNearestCommonDominator - Find nearest common dominator basic block
  /// for basic block A and B. If there is no such block then return NULL.
  MachineBasicBlock *findNearestCommonDominator(MachineBasicBlock *A,
                                                MachineBasicBlock *B) {
    applySplitCriticalEdges();
    return Base::findNearestCommonDominator(A, B);
  }

  MachineDomTreeNode *operator[](MachineBasicBlock *BB) const {
    applySplitCriticalEdges();
    return Base::getNode(BB);
  }

  /// getNode - return the (Post)DominatorTree node for the specified basic
  /// block.  This is the same as using operator[] on this class.
  ///
  MachineDomTreeNode *getNode(MachineBasicBlock *BB) const {
    applySplitCriticalEdges();
    return Base::getNode(BB);
  }

  /// addNewBlock - Add a new node to the dominator tree information.  This
  /// creates a new node as a child of DomBB dominator node,linking it into
  /// the children list of the immediate dominator.
  MachineDomTreeNode *addNewBlock(MachineBasicBlock *BB,
                                  MachineBasicBlock *DomBB) {
    applySplitCriticalEdges();
    return Base::addNewBlock(BB, DomBB);
  }

  /// changeImmediateDominator - This method is used to update the dominator
  /// tree information when a node's immediate dominator changes.
  ///
  void changeImmediateDominator(MachineBasicBlock *N,
                                MachineBasicBlock *NewIDom) {
    applySplitCriticalEdges();
    Base::changeImmediateDominator(N, NewIDom);
  }

  void changeImmediateDominator(MachineDomTreeNode *N,
                                MachineDomTreeNode *NewIDom) {
    applySplitCriticalEdges();
    Base::changeImmediateDominator(N, NewIDom);
  }

  /// eraseNode - Removes a node from  the dominator tree. Block must not
  /// dominate any other blocks. Removes node from its immediate dominator's
  /// children list. Deletes dominator node associated with basic block BB.
  void eraseNode(MachineBasicBlock *BB) {
    applySplitCriticalEdges();
    Base::eraseNode(BB);
  }

  /// splitBlock - BB is split and now it has one successor. Update dominator
  /// tree to reflect this change.
  void splitBlock(MachineBasicBlock* NewBB) {
    applySplitCriticalEdges();
    Base::splitBlock(NewBB);
  }

  /// isReachableFromEntry - Return true if A is dominated by the entry
  /// block of the function containing it.
  bool isReachableFromEntry(const MachineBasicBlock *A) {
    applySplitCriticalEdges();
    return Base::isReachableFromEntry(A);
  }

  /// Record that the critical edge (FromBB, ToBB) has been
  /// split with NewBB.
  /// This is best to use this method instead of directly update the
  /// underlying information, because this helps mitigating the
  /// number of time the DT information is invalidated.
  ///
  /// \note Do not use this method with regular edges.
  ///
  /// \note To benefit from the compile time improvement incurred by this
  /// method, the users of this method have to limit the queries to the DT
  /// interface between two edges splitting. In other words, they have to
  /// pack the splitting of critical edges as much as possible.
  void recordSplitCriticalEdge(MachineBasicBlock *FromBB,
                              MachineBasicBlock *ToBB,
                              MachineBasicBlock *NewBB) {
    bool Inserted = NewBBs.insert(NewBB).second;
    (void)Inserted;
    assert(Inserted &&
           "A basic block inserted via edge splitting cannot appear twice");
    CriticalEdgesToSplit.push_back({FromBB, ToBB, NewBB});
  }
};

/// \brief Analysis pass which computes a \c MachineDominatorTree.
class MachineDominatorTreeAnalysis
    : public AnalysisInfoMixin<MachineDominatorTreeAnalysis> {
  friend AnalysisInfoMixin<MachineDominatorTreeAnalysis>;

  static AnalysisKey Key;

public:
  using Result = MachineDominatorTree;

  Result run(MachineFunction &MF, MachineFunctionAnalysisManager &);
};

/// \brief Machine function pass which print \c MachineDominatorTree.
class MachineDominatorTreePrinterPass
    : public PassInfoMixin<MachineDominatorTreePrinterPass> {
  raw_ostream &OS;

public:
  explicit MachineDominatorTreePrinterPass(raw_ostream &OS) : OS(OS) {}
  PreservedAnalyses run(MachineFunction &MF,
                        MachineFunctionAnalysisManager &MFAM);
  static bool isRequired() { return true; }
};

/// \brief Analysis pass which computes a \c MachineDominatorTree.
class MachineDominatorTreeWrapperPass : public MachineFunctionPass {
  // MachineFunctionPass may verify the analysis result without running pass,
  // e.g. when `F.hasAvailableExternallyLinkage` is true.
  std::optional<MachineDominatorTree> DT;

public:
  static char ID;

  MachineDominatorTreeWrapperPass();

  MachineDominatorTree &getDomTree() { return *DT; }
  const MachineDominatorTree &getDomTree() const { return *DT; }

  bool runOnMachineFunction(MachineFunction &MF) override;

  void verifyAnalysis() const override;

  void getAnalysisUsage(AnalysisUsage &AU) const override {
    AU.setPreservesAll();
    MachineFunctionPass::getAnalysisUsage(AU);
  }

  void releaseMemory() override;

  void print(raw_ostream &OS, const Module *M = nullptr) const override;
};

//===-------------------------------------
/// DominatorTree GraphTraits specialization so the DominatorTree can be
/// iterable by generic graph iterators.
///

template <class Node, class ChildIterator>
struct MachineDomTreeGraphTraitsBase {
  using NodeRef = Node *;
  using ChildIteratorType = ChildIterator;

  static NodeRef getEntryNode(NodeRef N) { return N; }
  static ChildIteratorType child_begin(NodeRef N) { return N->begin(); }
  static ChildIteratorType child_end(NodeRef N) { return N->end(); }
};

template <class T> struct GraphTraits;

template <>
struct GraphTraits<MachineDomTreeNode *>
    : public MachineDomTreeGraphTraitsBase<MachineDomTreeNode,
                                           MachineDomTreeNode::const_iterator> {
};

template <>
struct GraphTraits<const MachineDomTreeNode *>
    : public MachineDomTreeGraphTraitsBase<const MachineDomTreeNode,
                                           MachineDomTreeNode::const_iterator> {
};

template <> struct GraphTraits<MachineDominatorTree*>
  : public GraphTraits<MachineDomTreeNode *> {
  static NodeRef getEntryNode(MachineDominatorTree *DT) {
    return DT->getRootNode();
  }
};

} // end namespace llvm

#endif // LLVM_CODEGEN_MACHINEDOMINATORS_H