258   if (!LastDef && !PhysRegUse[Reg]) {  in HandlePhysRegUse()
290   } else if (LastDef && !PhysRegUse[Reg] &&  in HandlePhysRegUse()
298     PhysRegUse[SubReg] = &MI;  in HandlePhysRegUse()
305   MachineInstr *LastUse = PhysRegUse[Reg];  in FindLastRefOrPartRef()
320     } else if (MachineInstr *Use = PhysRegUse[SubReg]) {  in FindLastRefOrPartRef()
334   MachineInstr *LastUse = PhysRegUse[Reg];  in HandlePhysRegKill()
372     if (MachineInstr *Use = PhysRegUse[SubReg]) {  in HandlePhysRegKill()
383   if (!PhysRegUse[Reg]) {  in HandlePhysRegKill()
410           PhysRegUse[SS] = LastRefOrPartRef;  in HandlePhysRegKill()
446     if (!PhysRegDef[Reg] && !PhysRegUse[Reg])  in HandleRegMask()
455       if (SR < NumRegs && (PhysRegDef[SR] || PhysRegUse[SR]) &&  in HandleRegMask()
466   if (PhysRegDef[Reg] || PhysRegUse[Reg]) {  in HandlePhysRegDef()
479       if (PhysRegDef[SubReg] || PhysRegUse[SubReg]) {  in HandlePhysRegDef()
507       PhysRegUse[SubReg]  = nullptr;  in UpdatePhysRegDefs()
624     if ((PhysRegDef[i] || PhysRegUse[i]) && !LiveOuts.count(i))  in runOnBlock()
635   PhysRegUse.assign(NumRegs, nullptr);  in analyze()
657     PhysRegUse.assign(NumRegs, nullptr);  in analyze()
680   PhysRegUse.clear();  in analyze()