193   MachineInstr *LastDef = nullptr;  in FindLastPartialDef()  local
202       LastDef     = Def;  in FindLastPartialDef()
207   if (!LastDef)  in FindLastPartialDef()
211   for (unsigned i = 0, e = LastDef->getNumOperands(); i != e; ++i) {  in FindLastPartialDef()
212     MachineOperand &MO = LastDef->getOperand(i);  in FindLastPartialDef()
222   return LastDef;  in FindLastPartialDef()
229   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegUse()  local
231   if (!LastDef && !PhysRegUse[Reg]) {  in HandlePhysRegUse()
264   } else if (LastDef && !PhysRegUse[Reg] &&  in HandlePhysRegUse()
265              !LastDef->findRegisterDefOperand(Reg))  in HandlePhysRegUse()
267     LastDef->addOperand(MachineOperand::CreateReg(Reg, true/*IsDef*/,  in HandlePhysRegUse()
279   MachineInstr *LastDef = PhysRegDef[Reg];  in FindLastRefOrPartRef()  local
281   if (!LastDef && !LastUse)  in FindLastRefOrPartRef()
284   MachineInstr *LastRefOrPartRef = LastUse ? LastUse : LastDef;  in FindLastRefOrPartRef()
290     if (Def && Def != LastDef) {  in FindLastRefOrPartRef()
309   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegKill()  local
311   if (!LastDef && !LastUse)  in HandlePhysRegKill()
314   MachineInstr *LastRefOrPartRef = LastUse ? LastUse : LastDef;  in HandlePhysRegKill()
339     if (Def && Def != LastDef) {  in HandlePhysRegKill()