111     const MachineOperand &MO = MI->getOperand(i);  in determineKillsAndDefs()  local
112     if (MO.isRegMask()) {  in determineKillsAndDefs()
117           if (MO.clobbersPhysReg(*RURI)) {  in determineKillsAndDefs()
127     if (!MO.isReg())  in determineKillsAndDefs()
129     unsigned Reg = MO.getReg();  in determineKillsAndDefs()
133     if (MO.isUse()) {  in determineKillsAndDefs()
135       if (MO.isUndef())  in determineKillsAndDefs()
137       if (MO.isKill())  in determineKillsAndDefs()
140       assert(MO.isDef());  in determineKillsAndDefs()
141       if (MO.isDead())  in determineKillsAndDefs()
198     const MachineOperand &MO = MI->getOperand(i);  in forward()  local
199     if (!MO.isReg())  in forward()
201     unsigned Reg = MO.getReg();  in forward()
204     if (MO.isUse()) {  in forward()
205       if (MO.isUndef())  in forward()
237       assert(MO.isDef());  in forward()
313       const MachineOperand &MO = MI->getOperand(i);  in findSurvivorReg()  local
314       if (MO.isRegMask())  in findSurvivorReg()
315         Candidates.clearBitsNotInMask(MO.getRegMask());  in findSurvivorReg()
316       if (!MO.isReg() || MO.isUndef() || !MO.getReg())  in findSurvivorReg()
318       if (TargetRegisterInfo::isVirtualRegister(MO.getReg())) {  in findSurvivorReg()
319         if (MO.isDef())  in findSurvivorReg()
321         else if (MO.isKill())  in findSurvivorReg()
325       for (MCRegAliasIterator AI(MO.getReg(), TRI, true); AI.isValid(); ++AI)  in findSurvivorReg()
375     MachineOperand &MO = I->getOperand(i);  in scavengeRegister()  local
376     if (MO.isReg() && MO.getReg() != 0 && !(MO.isUse() && MO.isUndef()) &&  in scavengeRegister()
377         !TargetRegisterInfo::isVirtualRegister(MO.getReg()))  in scavengeRegister()
378       Candidates.reset(MO.getReg());  in scavengeRegister()