224   for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in FindLastPartialDef()  local
225     MachineInstr *Def = PhysRegDef[SubReg];  in FindLastPartialDef()
230       LastDefReg  = SubReg;  in FindLastPartialDef()
245       for (MCPhysReg SubReg : TRI->subregs_inclusive(DefReg))  in FindLastPartialDef()  local
246         PartDefRegs.insert(SubReg);  in FindLastPartialDef()
275       for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegUse()  local
276         if (Processed.count(SubReg))  in HandlePhysRegUse()
278         if (PartDefRegs.count(SubReg))  in HandlePhysRegUse()
282         LastPartialDef->addOperand(MachineOperand::CreateReg(SubReg,  in HandlePhysRegUse()
285         PhysRegDef[SubReg] = LastPartialDef;  in HandlePhysRegUse()
286         for (MCPhysReg SS : TRI->subregs(SubReg))  in HandlePhysRegUse()
297   for (MCPhysReg SubReg : TRI->subregs_inclusive(Reg))  in HandlePhysRegUse()  local
298     PhysRegUse[SubReg] = &MI;  in HandlePhysRegUse()
312   for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in FindLastRefOrPartRef()  local
313     MachineInstr *Def = PhysRegDef[SubReg];  in FindLastRefOrPartRef()
320     } else if (MachineInstr *Use = PhysRegUse[SubReg]) {  in FindLastRefOrPartRef()
360   for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegKill()  local
361     MachineInstr *Def = PhysRegDef[SubReg];  in HandlePhysRegKill()
372     if (MachineInstr *Use = PhysRegUse[SubReg]) {  in HandlePhysRegKill()
373       for (MCPhysReg SS : TRI->subregs_inclusive(SubReg))  in HandlePhysRegKill()
389     for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegKill()  local
390       if (!PartUses.count(SubReg))  in HandlePhysRegKill()
393       if (PhysRegDef[Reg] == PhysRegDef[SubReg]) {  in HandlePhysRegKill()
395             PhysRegDef[Reg]->findRegisterDefOperand(SubReg, /*TRI=*/nullptr);  in HandlePhysRegKill()
402         PhysRegDef[Reg]->addOperand(MachineOperand::CreateReg(SubReg,  in HandlePhysRegKill()
404       MachineInstr *LastSubRef = FindLastRefOrPartRef(SubReg);  in HandlePhysRegKill()
406         LastSubRef->addRegisterKilled(SubReg, TRI, true);  in HandlePhysRegKill()
408         LastRefOrPartRef->addRegisterKilled(SubReg, TRI, true);  in HandlePhysRegKill()
409         for (MCPhysReg SS : TRI->subregs_inclusive(SubReg))  in HandlePhysRegKill()
412       for (MCPhysReg SS : TRI->subregs(SubReg))  in HandlePhysRegKill()
467     for (MCPhysReg SubReg : TRI->subregs_inclusive(Reg))  in HandlePhysRegDef()  local
468       Live.insert(SubReg);  in HandlePhysRegDef()
470     for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegDef()  local
477       if (Live.count(SubReg))  in HandlePhysRegDef()
479       if (PhysRegDef[SubReg] || PhysRegUse[SubReg]) {  in HandlePhysRegDef()
480         for (MCPhysReg SS : TRI->subregs_inclusive(SubReg))  in HandlePhysRegDef()
490   for (MCPhysReg SubReg : TRI->subregs(Reg)) {  in HandlePhysRegDef()  local
491     if (!Live.count(SubReg))  in HandlePhysRegDef()
494     HandlePhysRegKill(SubReg, MI);  in HandlePhysRegDef()
505     for (MCPhysReg SubReg : TRI->subregs_inclusive(Reg)) {  in UpdatePhysRegDefs()  local
506       PhysRegDef[SubReg] = &MI;  in UpdatePhysRegDefs()
507       PhysRegUse[SubReg]  = nullptr;  in UpdatePhysRegDefs()