194   for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in FindLastPartialDef()  local
195     MachineInstr *Def = PhysRegDef[SubReg];  in FindLastPartialDef()
200       LastDefReg  = SubReg;  in FindLastPartialDef()
215       for (MCPhysReg SubReg : TRI->subregs_inclusive(DefReg))  in FindLastPartialDef()  local
216         PartDefRegs.insert(SubReg);  in FindLastPartialDef()
245       for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegUse()  local
246         if (Processed.count(SubReg))  in HandlePhysRegUse()
248         if (PartDefRegs.count(SubReg))  in HandlePhysRegUse()
252         LastPartialDef->addOperand(MachineOperand::CreateReg(SubReg,  in HandlePhysRegUse()
255         PhysRegDef[SubReg] = LastPartialDef;  in HandlePhysRegUse()
256         for (MCPhysReg SS : TRI->subregs(SubReg))  in HandlePhysRegUse()
267   for (MCPhysReg SubReg : TRI->subregs_inclusive(Reg))  in HandlePhysRegUse()  local
268     PhysRegUse[SubReg] = &MI;  in HandlePhysRegUse()
282   for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in FindLastRefOrPartRef()  local
283     MachineInstr *Def = PhysRegDef[SubReg];  in FindLastRefOrPartRef()
290     } else if (MachineInstr *Use = PhysRegUse[SubReg]) {  in FindLastRefOrPartRef()
330   for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegKill()  local
331     MachineInstr *Def = PhysRegDef[SubReg];  in HandlePhysRegKill()
342     if (MachineInstr *Use = PhysRegUse[SubReg]) {  in HandlePhysRegKill()
343       for (MCPhysReg SS : TRI->subregs_inclusive(SubReg))  in HandlePhysRegKill()
359     for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegKill()  local
360       if (!PartUses.count(SubReg))  in HandlePhysRegKill()
363       if (PhysRegDef[Reg] == PhysRegDef[SubReg]) {  in HandlePhysRegKill()
364         MachineOperand *MO = PhysRegDef[Reg]->findRegisterDefOperand(SubReg);  in HandlePhysRegKill()
371         PhysRegDef[Reg]->addOperand(MachineOperand::CreateReg(SubReg,  in HandlePhysRegKill()
373       MachineInstr *LastSubRef = FindLastRefOrPartRef(SubReg);  in HandlePhysRegKill()
375         LastSubRef->addRegisterKilled(SubReg, TRI, true);  in HandlePhysRegKill()
377         LastRefOrPartRef->addRegisterKilled(SubReg, TRI, true);  in HandlePhysRegKill()
378         for (MCPhysReg SS : TRI->subregs_inclusive(SubReg))  in HandlePhysRegKill()
381       for (MCPhysReg SS : TRI->subregs(SubReg))  in HandlePhysRegKill()
436     for (MCPhysReg SubReg : TRI->subregs_inclusive(Reg))  in HandlePhysRegDef()  local
437       Live.insert(SubReg);  in HandlePhysRegDef()
439     for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegDef()  local
446       if (Live.count(SubReg))  in HandlePhysRegDef()
448       if (PhysRegDef[SubReg] || PhysRegUse[SubReg]) {  in HandlePhysRegDef()
449         for (MCPhysReg SS : TRI->subregs_inclusive(SubReg))  in HandlePhysRegDef()
459   for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegDef()  local
460     if (!Live.count(SubReg))  in HandlePhysRegDef()
463     HandlePhysRegKill(SubReg, MI);  in HandlePhysRegDef()
474     for (MCPhysReg SubReg : TRI->subregs_inclusive(Reg)) {  in UpdatePhysRegDefs()  local
475       PhysRegDef[SubReg] = &MI;  in UpdatePhysRegDefs()
476       PhysRegUse[SubReg]  = nullptr;  in UpdatePhysRegDefs()