197     MachineInstr *Def = PhysRegDef[SubReg];  in FindLastPartialDef()
230   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegUse()
247       PhysRegDef[Reg] = LastPartialDef;  in HandlePhysRegUse()
260         PhysRegDef[SubReg] = LastPartialDef;  in HandlePhysRegUse()
280   MachineInstr *LastDef = PhysRegDef[Reg];  in FindLastRefOrPartRef()
290     MachineInstr *Def = PhysRegDef[SubReg];  in FindLastRefOrPartRef()
310   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegKill()
339     MachineInstr *Def = PhysRegDef[SubReg];  in HandlePhysRegKill()
367     PhysRegDef[Reg]->addRegisterDead(Reg, TRI, true);  in HandlePhysRegKill()
373       if (PhysRegDef[Reg] == PhysRegDef[SubReg]) {  in HandlePhysRegKill()
374         MachineOperand *MO = PhysRegDef[Reg]->findRegisterDefOperand(SubReg);  in HandlePhysRegKill()
381         PhysRegDef[Reg]->addOperand(MachineOperand::CreateReg(SubReg,  in HandlePhysRegKill()
395   } else if (LastRefOrPartRef == PhysRegDef[Reg] && LastRefOrPartRef != MI) {  in HandlePhysRegKill()
426     if (!PhysRegDef[Reg] && !PhysRegUse[Reg])  in HandleRegMask()
435       if ((PhysRegDef[*SR] || PhysRegUse[*SR]) && MO.clobbersPhysReg(*SR))  in HandleRegMask()
445   if (PhysRegDef[Reg] || PhysRegUse[Reg]) {  in HandlePhysRegDef()
460       if (PhysRegDef[SubReg] || PhysRegUse[SubReg]) {  in HandlePhysRegDef()
492       PhysRegDef[SubReg] = &MI;  in UpdatePhysRegDefs()
611     if ((PhysRegDef[i] || PhysRegUse[i]) && !LiveOuts.count(i))  in runOnBlock()
621   PhysRegDef.assign(NumRegs, nullptr);  in runOnMachineFunction()
644     PhysRegDef.assign(NumRegs, nullptr);  in runOnMachineFunction()
667   PhysRegDef.clear();  in runOnMachineFunction()