221   MachineInstr *KillMI = nullptr;  in sink3AddrInstruction()  local
233     KillMI = LIS->getInstructionFromIndex(I->end);  in sink3AddrInstruction()
235   if (!KillMI) {  in sink3AddrInstruction()
239       KillMI = UseMO.getParent();  in sink3AddrInstruction()
247   if (!KillMI || KillMI->getParent() != MBB || KillMI == MI ||  in sink3AddrInstruction()
248       KillMI == OldPos || KillMI->isTerminator())  in sink3AddrInstruction()
258   MachineBasicBlock::iterator KillPos = KillMI;  in sink3AddrInstruction()
281         if (OtherMI == KillMI && MOReg == SavedReg)  in sink3AddrInstruction()
300       LV->replaceKillInstruction(SavedReg, KillMI, MI);  in sink3AddrInstruction()
832   MachineInstr *KillMI = nullptr;  in rescheduleMIBelowKill()  local
844     KillMI = LIS->getInstructionFromIndex(I->end);  in rescheduleMIBelowKill()
846     KillMI = LV->getVarInfo(Reg).findKill(MBB);  in rescheduleMIBelowKill()
848   if (!KillMI || MI == KillMI || KillMI->isCopy() || KillMI->isCopyLike())  in rescheduleMIBelowKill()
852   if (KillMI->hasUnmodeledSideEffects() || KillMI->isCall() ||  in rescheduleMIBelowKill()
853       KillMI->isBranch() || KillMI->isTerminator())  in rescheduleMIBelowKill()
858   if (isTwoAddrUse(*KillMI, Reg, DstReg))  in rescheduleMIBelowKill()
900   MachineBasicBlock::iterator KillPos = KillMI;  in rescheduleMIBelowKill()
942         assert((MOReg != Reg || OtherMI == KillMI) &&  in rescheduleMIBelowKill()
975     LV->removeVirtualRegisterKilled(Reg, KillMI);  in rescheduleMIBelowKill()
979   DEBUG(dbgs() << "\trescheduled below kill: " << *KillMI);  in rescheduleMIBelowKill()
1021   MachineInstr *KillMI = nullptr;  in rescheduleKillAboveMI()  local
1033     KillMI = LIS->getInstructionFromIndex(I->end);  in rescheduleKillAboveMI()
1035     KillMI = LV->getVarInfo(Reg).findKill(MBB);  in rescheduleKillAboveMI()
1037   if (!KillMI || MI == KillMI || KillMI->isCopy() || KillMI->isCopyLike())  in rescheduleKillAboveMI()
1042   if (isTwoAddrUse(*KillMI, Reg, DstReg))  in rescheduleKillAboveMI()
1046   if (!KillMI->isSafeToMove(AA, SeenStore))  in rescheduleKillAboveMI()
1053   for (const MachineOperand &MO : KillMI->operands()) {  in rescheduleKillAboveMI()
1062       bool isKill = MO.isKill() || (LIS && isPlainlyKilled(KillMI, MOReg, LIS));  in rescheduleKillAboveMI()
1077   MachineBasicBlock::iterator KillPos = KillMI;  in rescheduleKillAboveMI()
1130   MachineBasicBlock::iterator From = KillMI;  in rescheduleKillAboveMI()
1141     LIS->handleMove(KillMI);  in rescheduleKillAboveMI()
1143     LV->removeVirtualRegisterKilled(Reg, KillMI);  in rescheduleKillAboveMI()
1147   DEBUG(dbgs() << "\trescheduled kill: " << *KillMI);  in rescheduleKillAboveMI()