187     MCRegister Def = CopyOperands->Destination->getReg().asMCReg();  in trackCopy()  local
190     for (MCRegUnitIterator RUI(Def, &TRI); RUI.isValid(); ++RUI)  in trackCopy()
198       if (!is_contained(Copy.DefRegs, Def))  in trackCopy()
199         Copy.DefRegs.push_back(Def);  in trackCopy()
327   bool eraseIfRedundant(MachineInstr &Copy, MCRegister Src, MCRegister Def);
337                                  const MachineOperand &MODef, Register Def);
383                       MCRegister Def, const TargetRegisterInfo *TRI,  in isNopCopy()  argument
390   if (Src == PreviousSrc && Def == PreviousDef)  in isNopCopy()
395   return SubIdx == TRI->getSubRegIndex(PreviousDef, Def);  in isNopCopy()
402                                               MCRegister Src, MCRegister Def) {  in eraseIfRedundant()  argument
405   if (MRI->isReserved(Src) || MRI->isReserved(Def))  in eraseIfRedundant()
410       Tracker.findAvailCopy(Copy, Def, *TRI, *TII, UseCopyInstr);  in eraseIfRedundant()
418   if (!isNopCopy(*PrevCopy, Src, Def, TRI, TII, UseCopyInstr))  in eraseIfRedundant()
429   assert(CopyDef == Src || CopyDef == Def);  in eraseIfRedundant()
444   Register Def = CopyOperands->Destination->getReg();  in isBackwardPropagatableRegClassCopy()  local
448     return URC->contains(Def);  in isBackwardPropagatableRegClassCopy()
545     const MachineInstr &MI, const MachineOperand &MODef, Register Def) {  in hasOverlappingMultipleDef()  argument
548         TRI->regsOverlap(Def, MIDef.getReg()))  in hasOverlappingMultipleDef()
667         MCRegister Def = RegDef.asMCReg();  in ForwardCopyPropagateBlock()  local
685         if (eraseIfRedundant(MI, Def, Src) || eraseIfRedundant(MI, Src, Def))  in ForwardCopyPropagateBlock()
709         if (!MRI->isReserved(Def))  in ForwardCopyPropagateBlock()
719         Tracker.clobberRegister(Def, *TRI, *TII, UseCopyInstr);  in ForwardCopyPropagateBlock()
851   Register Def = CopyOperands->Destination->getReg();  in isBackwardPropagatableCopy()  local
854   if (!Def || !Src)  in isBackwardPropagatableCopy()
857   if (MRI.isReserved(Def) || MRI.isReserved(Src))  in isBackwardPropagatableCopy()
892     Register Def = CopyOperands->Destination->getReg();  in propagateDefs()  local
904     if (hasOverlappingMultipleDef(MI, MODef, Def))  in propagateDefs()
908                       << "\n     with " << printReg(Def, TRI) << "\n     in "  in propagateDefs()
911     MODef.setReg(Def);  in propagateDefs()
934         MCRegister Def = DefReg.asMCReg();  in BackwardCopyPropagateBlock()  local
941           Tracker.invalidateRegister(Def, *TRI, *TII, UseCopyInstr);  in BackwardCopyPropagateBlock()
993     Register Def = CopyOperands->Destination->getReg();  in BackwardCopyPropagateBlock()  local
997     MRI->updateDbgUsersToReg(Src.asMCReg(), Def.asMCReg(), MaybeDeadDbgUsers);  in BackwardCopyPropagateBlock()