180           MCRegister Def = CopyOperands->Destination->getReg().asMCReg();  in clobberRegister()  local
183           markRegsUnavailable(Def, TRI);  in clobberRegister()
204                 if (*itr == Def) {  in clobberRegister()
234     MCRegister Def = CopyOperands->Destination->getReg().asMCReg();  in trackCopy()  local
237     for (MCRegUnit Unit : TRI.regunits(Def))  in trackCopy()
245       if (!is_contained(Copy.DefRegs, Def))  in trackCopy()
246         Copy.DefRegs.push_back(Def);  in trackCopy()
350     Register Def = CopyOperands->Destination->getReg();  in findLastSeenDefInCopy()  local
351     if (!TRI.isSubRegisterEq(Def, Reg))  in findLastSeenDefInCopy()
359           if (MO.clobbersPhysReg(Def)) {  in findLastSeenDefInCopy()
361                               << printReg(Def, &TRI) << "\n");  in findLastSeenDefInCopy()
419   bool eraseIfRedundant(MachineInstr &Copy, MCRegister Src, MCRegister Def);
429                                  const MachineOperand &MODef, Register Def);
491                       MCRegister Def, const TargetRegisterInfo *TRI,  in isNopCopy()  argument
498   if (Src == PreviousSrc && Def == PreviousDef)  in isNopCopy()
503   return SubIdx == TRI->getSubRegIndex(PreviousDef, Def);  in isNopCopy()
510                                               MCRegister Src, MCRegister Def) {  in eraseIfRedundant()  argument
513   if (MRI->isReserved(Src) || MRI->isReserved(Def))  in eraseIfRedundant()
518       Tracker.findAvailCopy(Copy, Def, *TRI, *TII, UseCopyInstr);  in eraseIfRedundant()
526   if (!isNopCopy(*PrevCopy, Src, Def, TRI, TII, UseCopyInstr))  in eraseIfRedundant()
538   assert(CopyDef == Src || CopyDef == Def);  in eraseIfRedundant()
559   Register Def = CopyOperands->Destination->getReg();  in isBackwardPropagatableRegClassCopy()  local
563     return URC->contains(Def);  in isBackwardPropagatableRegClassCopy()
660     const MachineInstr &MI, const MachineOperand &MODef, Register Def) {  in hasOverlappingMultipleDef()  argument
663         TRI->regsOverlap(Def, MIDef.getReg()))  in hasOverlappingMultipleDef()
791         MCRegister Def = RegDef.asMCReg();  in ForwardCopyPropagateBlock()  local
809         if (eraseIfRedundant(MI, Def, Src) || eraseIfRedundant(MI, Src, Def))  in ForwardCopyPropagateBlock()
833         if (!MRI->isReserved(Def))  in ForwardCopyPropagateBlock()
843         Tracker.clobberRegister(Def, *TRI, *TII, UseCopyInstr);  in ForwardCopyPropagateBlock()
977   Register Def = CopyOperands.Destination->getReg();  in isBackwardPropagatableCopy()  local
980   if (!Def || !Src)  in isBackwardPropagatableCopy()
983   if (MRI.isReserved(Def) || MRI.isReserved(Src))  in isBackwardPropagatableCopy()
1018     Register Def = CopyOperands->Destination->getReg();  in propagateDefs()  local
1030     if (hasOverlappingMultipleDef(MI, MODef, Def))  in propagateDefs()
1034                       << "\n     with " << printReg(Def, TRI) << "\n     in "  in propagateDefs()
1037     MODef.setReg(Def);  in propagateDefs()
1117     Register Def = CopyOperands->Destination->getReg();  in BackwardCopyPropagateBlock()  local
1121     MRI->updateDbgUsersToReg(Src.asMCReg(), Def.asMCReg(), MaybeDeadDbgUsers);  in BackwardCopyPropagateBlock()
1220         auto CheckCopyConstraint = [this](Register Def, Register Src) {  in EliminateSpillageCopies()  argument
1222             if (RC->contains(Def) && RC->contains(Src))  in EliminateSpillageCopies()
1272     Register Def = CopyOperands->Destination->getReg();  in EliminateSpillageCopies()  local
1273     return Src && Def && !TRI->regsOverlap(Src, Def) &&  in EliminateSpillageCopies()
1347     Register Def = CopyOperands->Destination->getReg();  in EliminateSpillageCopies()  local
1391           Tracker.findLastSeenUseInCopy(Def.asMCReg(), *TRI);  in EliminateSpillageCopies()