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📄 AggressiveAntiDepBreaker.cpp(37.23 KB)
📄 AggressiveAntiDepBreaker.h(6.8 KB)
📄 AllocationOrder.cpp(1.96 KB)
📄 AllocationOrder.h(2.96 KB)
📄 Analysis.cpp(32.62 KB)
📁 AsmPrinter
📄 AtomicExpandPass.cpp(71.86 KB)
📄 BBSectionsPrepare.cpp(18.8 KB)
📄 BasicTargetTransformInfo.cpp(1.53 KB)
📄 BranchFolding.cpp(77.92 KB)
📄 BranchFolding.h(7.36 KB)
📄 BranchRelaxation.cpp(19.45 KB)
📄 BreakFalseDeps.cpp(9.79 KB)
📄 BuiltinGCs.cpp(4.88 KB)
📄 CFGuardLongjmp.cpp(3.73 KB)
📄 CFIInstrInserter.cpp(17.53 KB)
📄 CalcSpillWeights.cpp(10.22 KB)
📄 CallingConvLower.cpp(10.4 KB)
📄 CodeGen.cpp(5.28 KB)
📄 CodeGenPrepare.cpp(295.01 KB)
📄 CommandFlags.cpp(24.89 KB)
📄 CriticalAntiDepBreaker.cpp(27.91 KB)
📄 CriticalAntiDepBreaker.h(4.22 KB)
📄 DFAPacketizer.cpp(10.91 KB)
📄 DeadMachineInstructionElim.cpp(6.52 KB)
📄 DetectDeadLanes.cpp(20.74 KB)
📄 DwarfEHPrepare.cpp(9.01 KB)
📄 EarlyIfConversion.cpp(37.51 KB)
📄 EdgeBundles.cpp(3.21 KB)
📄 ExecutionDomainFix.cpp(14.67 KB)
📄 ExpandMemCmp.cpp(33.66 KB)
📄 ExpandPostRAPseudos.cpp(7.28 KB)
📄 ExpandReductions.cpp(7.23 KB)
📄 FEntryInserter.cpp(1.81 KB)
📄 FaultMaps.cpp(4.99 KB)
📄 FinalizeISel.cpp(2.65 KB)
📄 FixupStatepointCallerSaved.cpp(11.06 KB)
📄 FuncletLayout.cpp(2.21 KB)
📄 GCMetadata.cpp(5.1 KB)
📄 GCMetadataPrinter.cpp(748 B)
📄 GCRootLowering.cpp(11.46 KB)
📄 GCStrategy.cpp(708 B)
📁 GlobalISel
📄 GlobalMerge.cpp(24.52 KB)
📄 HardwareLoops.cpp(18.44 KB)
📄 IfConversion.cpp(89.43 KB)
📄 ImplicitNullChecks.cpp(25.14 KB)
📄 IndirectBrExpandPass.cpp(7.79 KB)
📄 InlineSpiller.cpp(58.24 KB)
📄 InterferenceCache.cpp(8.83 KB)
📄 InterferenceCache.h(7.22 KB)
📄 InterleavedAccessPass.cpp(16.59 KB)
📄 InterleavedLoadCombinePass.cpp(42.35 KB)
📄 IntrinsicLowering.cpp(17.08 KB)
📄 LLVMTargetMachine.cpp(10.25 KB)
📄 LatencyPriorityQueue.cpp(5.64 KB)
📄 LazyMachineBlockFrequencyInfo.cpp(3.36 KB)
📄 LexicalScopes.cpp(12.16 KB)
📄 LiveDebugValues.cpp(78.98 KB)
📄 LiveDebugVariables.cpp(51.79 KB)
📄 LiveDebugVariables.h(2.15 KB)
📄 LiveInterval.cpp(46.67 KB)
📄 LiveIntervalCalc.cpp(7.62 KB)
📄 LiveIntervalUnion.cpp(6.36 KB)
📄 LiveIntervals.cpp(64.59 KB)
📄 LivePhysRegs.cpp(11.08 KB)
📄 LiveRangeCalc.cpp(15.72 KB)
📄 LiveRangeEdit.cpp(17.03 KB)
📄 LiveRangeShrink.cpp(8.69 KB)
📄 LiveRangeUtils.h(2.12 KB)
📄 LiveRegMatrix.cpp(7.47 KB)
📄 LiveRegUnits.cpp(4.72 KB)
📄 LiveStacks.cpp(2.95 KB)
📄 LiveVariables.cpp(30.26 KB)
📄 LocalStackSlotAllocation.cpp(17.26 KB)
📄 LoopTraversal.cpp(2.89 KB)
📄 LowLevelType.cpp(1.93 KB)
📄 LowerEmuTLS.cpp(5.66 KB)
📄 MBFIWrapper.cpp(1.57 KB)
📄 MIRCanonicalizerPass.cpp(12.46 KB)
📄 MIRNamerPass.cpp(2.16 KB)
📁 MIRParser
📄 MIRPrinter.cpp(32.67 KB)
📄 MIRPrintingPass.cpp(1.99 KB)
📄 MIRVRegNamerUtils.cpp(6.04 KB)
📄 MIRVRegNamerUtils.h(3.25 KB)
📄 MachineBasicBlock.cpp(50.47 KB)
📄 MachineBlockFrequencyInfo.cpp(10.13 KB)
📄 MachineBlockPlacement.cpp(137.61 KB)
📄 MachineBranchProbabilityInfo.cpp(3.5 KB)
📄 MachineCSE.cpp(31.82 KB)
📄 MachineCombiner.cpp(28.13 KB)
📄 MachineCopyPropagation.cpp(29.21 KB)
📄 MachineDebugify.cpp(6.47 KB)
📄 MachineDominanceFrontier.cpp(1.83 KB)
📄 MachineDominators.cpp(4.86 KB)
📄 MachineFrameInfo.cpp(9.77 KB)
📄 MachineFunction.cpp(42.97 KB)
📄 MachineFunctionPass.cpp(4.78 KB)
📄 MachineFunctionPrinterPass.cpp(2.3 KB)
📄 MachineInstr.cpp(76.39 KB)
📄 MachineInstrBundle.cpp(11.49 KB)
📄 MachineLICM.cpp(57.05 KB)
📄 MachineLoopInfo.cpp(4.98 KB)
📄 MachineLoopUtils.cpp(5.16 KB)
📄 MachineModuleInfo.cpp(9.9 KB)
📄 MachineModuleInfoImpls.cpp(1.5 KB)
📄 MachineOperand.cpp(39.6 KB)
📄 MachineOptimizationRemarkEmitter.cpp(3.29 KB)
📄 MachineOutliner.cpp(42.13 KB)
📄 MachinePipeliner.cpp(111.33 KB)
📄 MachinePostDominators.cpp(2.42 KB)
📄 MachineRegionInfo.cpp(4.75 KB)
📄 MachineRegisterInfo.cpp(22.97 KB)
📄 MachineSSAUpdater.cpp(12.99 KB)
📄 MachineScheduler.cpp(136.89 KB)
📄 MachineSink.cpp(51.94 KB)
📄 MachineSizeOpts.cpp(8.76 KB)
📄 MachineStripDebug.cpp(3.76 KB)
📄 MachineTraceMetrics.cpp(49.58 KB)
📄 MachineVerifier.cpp(107.98 KB)
📄 MacroFusion.cpp(7.55 KB)
📄 ModuloSchedule.cpp(85.09 KB)
📄 NonRelocatableStringpool.cpp(1.65 KB)
📄 OptimizePHIs.cpp(6.7 KB)
📄 PHIElimination.cpp(27.73 KB)
📄 PHIEliminationUtils.cpp(2.56 KB)
📄 PHIEliminationUtils.h(972 B)
📄 ParallelCG.cpp(3.71 KB)
📄 PatchableFunction.cpp(3.44 KB)
📄 PeepholeOptimizer.cpp(78.41 KB)
📄 PostRAHazardRecognizer.cpp(3.5 KB)
📄 PostRASchedulerList.cpp(24.31 KB)
📄 PreISelIntrinsicLowering.cpp(7.91 KB)
📄 ProcessImplicitDefs.cpp(5.4 KB)
📄 PrologEpilogInserter.cpp(50.45 KB)
📄 PseudoSourceValue.cpp(4.71 KB)
📄 RDFGraph.cpp(58.39 KB)
📄 RDFLiveness.cpp(40.7 KB)
📄 RDFRegisters.cpp(11.29 KB)
📄 ReachingDefAnalysis.cpp(21.74 KB)
📄 RegAllocBase.cpp(6.31 KB)
📄 RegAllocBase.h(4.63 KB)
📄 RegAllocBasic.cpp(11.33 KB)
📄 RegAllocFast.cpp(45.78 KB)
📄 RegAllocGreedy.cpp(123.32 KB)
📄 RegAllocPBQP.cpp(33.14 KB)
📄 RegUsageInfoCollector.cpp(7.39 KB)
📄 RegUsageInfoPropagate.cpp(5.07 KB)
📄 RegisterClassInfo.cpp(6.62 KB)
📄 RegisterCoalescer.cpp(151.71 KB)
📄 RegisterCoalescer.h(4.04 KB)
📄 RegisterPressure.cpp(48.86 KB)
📄 RegisterScavenging.cpp(27.48 KB)
📄 RegisterUsageInfo.cpp(3.18 KB)
📄 RenameIndependentSubregs.cpp(14.79 KB)
📄 ResetMachineFunctionPass.cpp(3.48 KB)
📄 SafeStack.cpp(34.12 KB)
📄 SafeStackLayout.cpp(5.3 KB)
📄 SafeStackLayout.h(2.41 KB)
📄 ScalarizeMaskedMemIntrin.cpp(31.46 KB)
📄 ScheduleDAG.cpp(21.34 KB)
📄 ScheduleDAGInstrs.cpp(54.59 KB)
📄 ScheduleDAGPrinter.cpp(3.21 KB)
📄 ScoreboardHazardRecognizer.cpp(7.96 KB)
📁 SelectionDAG
📄 ShadowStackGCLowering.cpp(14.16 KB)
📄 ShrinkWrap.cpp(23.03 KB)
📄 SjLjEHPrepare.cpp(18.93 KB)
📄 SlotIndexes.cpp(9.35 KB)
📄 SpillPlacement.cpp(12.58 KB)
📄 SpillPlacement.h(6.67 KB)
📄 SplitKit.cpp(66.39 KB)
📄 SplitKit.h(23.7 KB)
📄 StackColoring.cpp(49.03 KB)
📄 StackMapLivenessAnalysis.cpp(6.16 KB)
📄 StackMaps.cpp(19.74 KB)
📄 StackProtector.cpp(22.94 KB)
📄 StackSlotColoring.cpp(17.12 KB)
📄 SwiftErrorValueTracking.cpp(11.37 KB)
📄 SwitchLoweringUtils.cpp(18.33 KB)
📄 TailDuplication.cpp(3.32 KB)
📄 TailDuplicator.cpp(38.29 KB)
📄 TargetFrameLoweringImpl.cpp(6.24 KB)
📄 TargetInstrInfo.cpp(51.1 KB)
📄 TargetLoweringBase.cpp(82.53 KB)
📄 TargetLoweringObjectFileImpl.cpp(80.52 KB)
📄 TargetOptionsImpl.cpp(2 KB)
📄 TargetPassConfig.cpp(48.89 KB)
📄 TargetRegisterInfo.cpp(19.15 KB)
📄 TargetSchedule.cpp(13.16 KB)
📄 TargetSubtargetInfo.cpp(1.89 KB)
📄 TwoAddressInstructionPass.cpp(62.08 KB)
📄 TypePromotion.cpp(32.46 KB)
📄 UnreachableBlockElim.cpp(7.48 KB)
📄 ValueTypes.cpp(19.87 KB)
📄 VirtRegMap.cpp(21.4 KB)
📄 WasmEHPrepare.cpp(17.48 KB)
📄 WinEHPrepare.cpp(51.16 KB)
📄 XRayInstrumentation.cpp(9.66 KB)

Editing: MachineInstrBundle.cpp

//===-- lib/CodeGen/MachineInstrBundle.cpp --------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/MachineInstrBundle.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/Target/TargetMachine.h"
#include <utility>
using namespace llvm;

namespace {
  class UnpackMachineBundles : public MachineFunctionPass {
  public:
    static char ID; // Pass identification
    UnpackMachineBundles(
        std::function<bool(const MachineFunction &)> Ftor = nullptr)
        : MachineFunctionPass(ID), PredicateFtor(std::move(Ftor)) {
      initializeUnpackMachineBundlesPass(*PassRegistry::getPassRegistry());
    }

bool runOnMachineFunction(MachineFunction &MF) override;

private:
    std::function<bool(const MachineFunction &)> PredicateFtor;
  };
} // end anonymous namespace

char UnpackMachineBundles::ID = 0;
char &llvm::UnpackMachineBundlesID = UnpackMachineBundles::ID;
INITIALIZE_PASS(UnpackMachineBundles, "unpack-mi-bundles",
                "Unpack machine instruction bundles", false, false)

bool UnpackMachineBundles::runOnMachineFunction(MachineFunction &MF) {
  if (PredicateFtor && !PredicateFtor(MF))
    return false;

bool Changed = false;
  for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E; ++I) {
    MachineBasicBlock *MBB = &*I;

for (MachineBasicBlock::instr_iterator MII = MBB->instr_begin(),
           MIE = MBB->instr_end(); MII != MIE; ) {
      MachineInstr *MI = &*MII;

// Remove BUNDLE instruction and the InsideBundle flags from bundled
      // instructions.
      if (MI->isBundle()) {
        while (++MII != MIE && MII->isBundledWithPred()) {
          MII->unbundleFromPred();
          for (unsigned i = 0, e = MII->getNumOperands(); i != e; ++i) {
            MachineOperand &MO = MII->getOperand(i);
            if (MO.isReg() && MO.isInternalRead())
              MO.setIsInternalRead(false);
          }
        }
        MI->eraseFromParent();

Changed = true;
        continue;
      }

++MII;
    }
  }

return Changed;
}

FunctionPass *
llvm::createUnpackMachineBundles(
    std::function<bool(const MachineFunction &)> Ftor) {
  return new UnpackMachineBundles(std::move(Ftor));
}

namespace {
  class FinalizeMachineBundles : public MachineFunctionPass {
  public:
    static char ID; // Pass identification
    FinalizeMachineBundles() : MachineFunctionPass(ID) {
      initializeFinalizeMachineBundlesPass(*PassRegistry::getPassRegistry());
    }

bool runOnMachineFunction(MachineFunction &MF) override;
  };
} // end anonymous namespace

char FinalizeMachineBundles::ID = 0;
char &llvm::FinalizeMachineBundlesID = FinalizeMachineBundles::ID;
INITIALIZE_PASS(FinalizeMachineBundles, "finalize-mi-bundles",
                "Finalize machine instruction bundles", false, false)

bool FinalizeMachineBundles::runOnMachineFunction(MachineFunction &MF) {
  return llvm::finalizeBundles(MF);
}

/// Return the first found DebugLoc that has a DILocation, given a range of
/// instructions. The search range is from FirstMI to LastMI (exclusive). If no
/// DILocation is found, then an empty location is returned.
static DebugLoc getDebugLoc(MachineBasicBlock::instr_iterator FirstMI,
                            MachineBasicBlock::instr_iterator LastMI) {
  for (auto MII = FirstMI; MII != LastMI; ++MII)
    if (MII->getDebugLoc().get())
      return MII->getDebugLoc();
  return DebugLoc();
}

/// finalizeBundle - Finalize a machine instruction bundle which includes
/// a sequence of instructions starting from FirstMI to LastMI (exclusive).
/// This routine adds a BUNDLE instruction to represent the bundle, it adds
/// IsInternalRead markers to MachineOperands which are defined inside the
/// bundle, and it copies externally visible defs and uses to the BUNDLE
/// instruction.
void llvm::finalizeBundle(MachineBasicBlock &MBB,
                          MachineBasicBlock::instr_iterator FirstMI,
                          MachineBasicBlock::instr_iterator LastMI) {
  assert(FirstMI != LastMI && "Empty bundle?");
  MIBundleBuilder Bundle(MBB, FirstMI, LastMI);

MachineFunction &MF = *MBB.getParent();
  const TargetInstrInfo *TII = MF.getSubtarget().getInstrInfo();
  const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();

MachineInstrBuilder MIB =
      BuildMI(MF, getDebugLoc(FirstMI, LastMI), TII->get(TargetOpcode::BUNDLE));
  Bundle.prepend(MIB);

SmallVector<Register, 32> LocalDefs;
  SmallSet<Register, 32> LocalDefSet;
  SmallSet<Register, 8> DeadDefSet;
  SmallSet<Register, 16> KilledDefSet;
  SmallVector<Register, 8> ExternUses;
  SmallSet<Register, 8> ExternUseSet;
  SmallSet<Register, 8> KilledUseSet;
  SmallSet<Register, 8> UndefUseSet;
  SmallVector<MachineOperand*, 4> Defs;
  for (auto MII = FirstMI; MII != LastMI; ++MII) {
    for (unsigned i = 0, e = MII->getNumOperands(); i != e; ++i) {
      MachineOperand &MO = MII->getOperand(i);
      if (!MO.isReg())
        continue;
      if (MO.isDef()) {
        Defs.push_back(&MO);
        continue;
      }

if (LocalDefSet.count(Reg)) {
        MO.setIsInternalRead();
        if (MO.isKill())
          // Internal def is now killed.
          KilledDefSet.insert(Reg);
      } else {
        if (ExternUseSet.insert(Reg).second) {
          ExternUses.push_back(Reg);
          if (MO.isUndef())
            UndefUseSet.insert(Reg);
        }
        if (MO.isKill())
          // External def is now killed.
          KilledUseSet.insert(Reg);
      }
    }

for (unsigned i = 0, e = Defs.size(); i != e; ++i) {
      MachineOperand &MO = *Defs[i];
      Register Reg = MO.getReg();
      if (!Reg)
        continue;

if (LocalDefSet.insert(Reg).second) {
        LocalDefs.push_back(Reg);
        if (MO.isDead()) {
          DeadDefSet.insert(Reg);
        }
      } else {
        // Re-defined inside the bundle, it's no longer killed.
        KilledDefSet.erase(Reg);
        if (!MO.isDead())
          // Previously defined but dead.
          DeadDefSet.erase(Reg);
      }

if (!MO.isDead() && Register::isPhysicalRegister(Reg)) {
        for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {
          unsigned SubReg = *SubRegs;
          if (LocalDefSet.insert(SubReg).second)
            LocalDefs.push_back(SubReg);
        }
      }
    }

Defs.clear();
  }

SmallSet<Register, 32> Added;
  for (unsigned i = 0, e = LocalDefs.size(); i != e; ++i) {
    Register Reg = LocalDefs[i];
    if (Added.insert(Reg).second) {
      // If it's not live beyond end of the bundle, mark it dead.
      bool isDead = DeadDefSet.count(Reg) || KilledDefSet.count(Reg);
      MIB.addReg(Reg, getDefRegState(true) | getDeadRegState(isDead) |
                 getImplRegState(true));
    }
  }

for (unsigned i = 0, e = ExternUses.size(); i != e; ++i) {
    Register Reg = ExternUses[i];
    bool isKill = KilledUseSet.count(Reg);
    bool isUndef = UndefUseSet.count(Reg);
    MIB.addReg(Reg, getKillRegState(isKill) | getUndefRegState(isUndef) |
               getImplRegState(true));
  }

// Set FrameSetup/FrameDestroy for the bundle. If any of the instructions got
  // the property, then also set it on the bundle.
  for (auto MII = FirstMI; MII != LastMI; ++MII) {
    if (MII->getFlag(MachineInstr::FrameSetup))
      MIB.setMIFlag(MachineInstr::FrameSetup);
    if (MII->getFlag(MachineInstr::FrameDestroy))
      MIB.setMIFlag(MachineInstr::FrameDestroy);
  }
}

/// finalizeBundle - Same functionality as the previous finalizeBundle except
/// the last instruction in the bundle is not provided as an input. This is
/// used in cases where bundles are pre-determined by marking instructions
/// with 'InsideBundle' marker. It returns the MBB instruction iterator that
/// points to the end of the bundle.
MachineBasicBlock::instr_iterator
llvm::finalizeBundle(MachineBasicBlock &MBB,
                     MachineBasicBlock::instr_iterator FirstMI) {
  MachineBasicBlock::instr_iterator E = MBB.instr_end();
  MachineBasicBlock::instr_iterator LastMI = std::next(FirstMI);
  while (LastMI != E && LastMI->isInsideBundle())
    ++LastMI;
  finalizeBundle(MBB, FirstMI, LastMI);
  return LastMI;
}

/// finalizeBundles - Finalize instruction bundles in the specified
/// MachineFunction. Return true if any bundles are finalized.
bool llvm::finalizeBundles(MachineFunction &MF) {
  bool Changed = false;
  for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E; ++I) {
    MachineBasicBlock &MBB = *I;
    MachineBasicBlock::instr_iterator MII = MBB.instr_begin();
    MachineBasicBlock::instr_iterator MIE = MBB.instr_end();
    if (MII == MIE)
      continue;
    assert(!MII->isInsideBundle() &&
           "First instr cannot be inside bundle before finalization!");

for (++MII; MII != MIE; ) {
      if (!MII->isInsideBundle())
        ++MII;
      else {
        MII = finalizeBundle(MBB, std::prev(MII));
        Changed = true;
      }
    }
  }

return Changed;
}

VirtRegInfo llvm::AnalyzeVirtRegInBundle(
    MachineInstr &MI, Register Reg,
    SmallVectorImpl<std::pair<MachineInstr *, unsigned>> *Ops) {
  VirtRegInfo RI = {false, false, false};
  for (MIBundleOperands O(MI); O.isValid(); ++O) {
    MachineOperand &MO = *O;
    if (!MO.isReg() || MO.getReg() != Reg)
      continue;

// Remember each (MI, OpNo) that refers to Reg.
    if (Ops)
      Ops->push_back(std::make_pair(MO.getParent(), O.getOperandNo()));

// Both defs and uses can read virtual registers.
    if (MO.readsReg()) {
      RI.Reads = true;
      if (MO.isDef())
        RI.Tied = true;
    }

// Only defs can write.
    if (MO.isDef())
      RI.Writes = true;
    else if (!RI.Tied &&
             MO.getParent()->isRegTiedToDefOperand(O.getOperandNo()))
      RI.Tied = true;
  }
  return RI;
}

PhysRegInfo llvm::AnalyzePhysRegInBundle(const MachineInstr &MI, Register Reg,
                                         const TargetRegisterInfo *TRI) {
  bool AllDefsDead = true;
  PhysRegInfo PRI = {false, false, false, false, false, false, false, false};

assert(Reg.isPhysical() && "analyzePhysReg not given a physical register!");
  for (ConstMIBundleOperands O(MI); O.isValid(); ++O) {
    const MachineOperand &MO = *O;

if (MO.isRegMask() && MO.clobbersPhysReg(Reg)) {
      PRI.Clobbered = true;
      continue;
    }

if (!MO.isReg())
      continue;

if (!TRI->regsOverlap(MOReg, Reg))
      continue;

bool Covered = TRI->isSuperRegisterEq(Reg, MOReg);
    if (MO.readsReg()) {
      PRI.Read = true;
      if (Covered) {
        PRI.FullyRead = true;
        if (MO.isKill())
          PRI.Killed = true;
      }
    } else if (MO.isDef()) {
      PRI.Defined = true;
      if (Covered)
        PRI.FullyDefined = true;
      if (!MO.isDead())
        AllDefsDead = false;
    }
  }

if (AllDefsDead) {
    if (PRI.FullyDefined || PRI.Clobbered)
      PRI.DeadDef = true;
    else if (PRI.Defined)
      PRI.PartialDeadDef = true;
  }

return PRI;
}

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Editing: MachineInstrBundle.cpp

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