664   MachineInstr *DefMI = LIS->getInstructionFromIndex(AValNo->def);  in removeCopyByCommutingDef()  local
665   if (!DefMI)  in removeCopyByCommutingDef()
667   if (!DefMI->isCommutable())  in removeCopyByCommutingDef()
671   int DefIdx = DefMI->findRegisterDefOperandIdx(IntA.reg);  in removeCopyByCommutingDef()
674   if (!DefMI->isRegTiedToUseOperand(DefIdx, &UseOpIdx))  in removeCopyByCommutingDef()
687   if (!TII->findCommutedOpIndices(*DefMI, UseOpIdx, NewDstIdx))  in removeCopyByCommutingDef()
690   MachineOperand &NewDstMO = DefMI->getOperand(NewDstIdx);  in removeCopyByCommutingDef()
715                << *DefMI);  in removeCopyByCommutingDef()
719   MachineBasicBlock *MBB = DefMI->getParent();  in removeCopyByCommutingDef()
721       TII->commuteInstruction(*DefMI, false, UseOpIdx, NewDstIdx);  in removeCopyByCommutingDef()
728   if (NewMI != DefMI) {  in removeCopyByCommutingDef()
729     LIS->ReplaceMachineInstrInMaps(*DefMI, *NewMI);  in removeCopyByCommutingDef()
730     MachineBasicBlock::iterator Pos = DefMI;  in removeCopyByCommutingDef()
732     MBB->erase(DefMI);  in removeCopyByCommutingDef()
897   MachineInstr *DefMI = LIS->getInstructionFromIndex(ValNo->def);  in reMaterializeTrivialDef()  local
898   if (!DefMI)  in reMaterializeTrivialDef()
900   if (DefMI->isCopyLike()) {  in reMaterializeTrivialDef()
904   if (!TII->isAsCheapAsAMove(*DefMI))  in reMaterializeTrivialDef()
906   if (!TII->isTriviallyReMaterializable(*DefMI, AA))  in reMaterializeTrivialDef()
908   if (!definesFullReg(*DefMI, SrcReg))  in reMaterializeTrivialDef()
911   if (!DefMI->isSafeToMove(AA, SawStore))  in reMaterializeTrivialDef()
913   const MCInstrDesc &MCID = DefMI->getDesc();  in reMaterializeTrivialDef()
931   if (!DefMI->isImplicitDef()) {  in reMaterializeTrivialDef()
936                                               DefMI->getOperand(0).getSubReg());  in reMaterializeTrivialDef()
956   TII->reMaterialize(*MBB, MII, DstReg, SrcIdx, *DefMI, *TRI);  in reMaterializeTrivialDef()
1811   LaneBitmask computeWriteLanes(const MachineInstr *DefMI, bool &Redef) const;
1907 LaneBitmask JoinVals::computeWriteLanes(const MachineInstr *DefMI, bool &Redef)  in computeWriteLanes()  argument
1910   for (const MachineOperand &MO : DefMI->operands()) {  in computeWriteLanes()
1992   const MachineInstr *DefMI = nullptr;  in analyzeValue()  local
1998     DefMI = Indexes->getInstructionFromIndex(VNI->def);  in analyzeValue()
1999     assert(DefMI != nullptr);  in analyzeValue()
2003       if (DefMI->isImplicitDef()) {  in analyzeValue()
2009       V.ValidLanes = V.WriteLanes = computeWriteLanes(DefMI, Redef);  in analyzeValue()
2037       if (DefMI->isImplicitDef()) {  in analyzeValue()
2104   if (OtherV.ErasableImplicitDef && DefMI &&  in analyzeValue()
2105       DefMI->getParent() != Indexes->getMBBFromIndex(V.OtherVNI->def)) {  in analyzeValue()
2107                  << " extends into BB#" << DefMI->getParent()->getNumber()  in analyzeValue()
2118   if (DefMI->isImplicitDef()) {  in analyzeValue()
2129   if (CP.isCoalescable(DefMI)) {  in analyzeValue()
2146   if (DefMI->isFullCopy() && !CP.isPartial()  in analyzeValue()