157     MCRegister Def = MI->getOperand(0).getReg().asMCReg();  in trackCopy()  local
161     for (MCRegUnitIterator RUI(Def, &TRI); RUI.isValid(); ++RUI)  in trackCopy()
169       if (!is_contained(Copy.DefRegs, Def))  in trackCopy()
170         Copy.DefRegs.push_back(Def);  in trackCopy()
281   bool eraseIfRedundant(MachineInstr &Copy, MCRegister Src, MCRegister Def);
291                                  const MachineOperand &MODef, Register Def);
337                       MCRegister Def, const TargetRegisterInfo *TRI) {  in isNopCopy()  argument
340   if (Src == PreviousSrc && Def == PreviousDef)  in isNopCopy()
345   return SubIdx == TRI->getSubRegIndex(PreviousDef, Def);  in isNopCopy()
352                                               MCRegister Src, MCRegister Def) {  in eraseIfRedundant()  argument
355   if (MRI->isReserved(Src) || MRI->isReserved(Def))  in eraseIfRedundant()
359   MachineInstr *PrevCopy = Tracker.findAvailCopy(Copy, Def, *TRI);  in eraseIfRedundant()
366   if (!isNopCopy(*PrevCopy, Src, Def, TRI))  in eraseIfRedundant()
375   assert(CopyDef == Src || CopyDef == Def);  in eraseIfRedundant()
388   Register Def = Copy.getOperand(0).getReg();  in isBackwardPropagatableRegClassCopy()  local
392     return URC->contains(Def);  in isBackwardPropagatableRegClassCopy()
468     const MachineInstr &MI, const MachineOperand &MODef, Register Def) {  in hasOverlappingMultipleDef()  argument
471         TRI->regsOverlap(Def, MIDef.getReg()))  in hasOverlappingMultipleDef()
585       MCRegister Def = MI->getOperand(0).getReg().asMCReg();  in ForwardCopyPropagateBlock()  local
603       if (eraseIfRedundant(*MI, Def, Src) || eraseIfRedundant(*MI, Src, Def))  in ForwardCopyPropagateBlock()
626       if (!MRI->isReserved(Def))  in ForwardCopyPropagateBlock()
636       Tracker.clobberRegister(Def, *TRI);  in ForwardCopyPropagateBlock()
753   Register Def = MI.getOperand(0).getReg();  in isBackwardPropagatableCopy()  local
756   if (!Def || !Src)  in isBackwardPropagatableCopy()
759   if (MRI.isReserved(Def) || MRI.isReserved(Src))  in isBackwardPropagatableCopy()
792     Register Def = Copy->getOperand(0).getReg();  in propagateDefs()  local
804     if (hasOverlappingMultipleDef(MI, MODef, Def))  in propagateDefs()
808                       << "\n     with " << printReg(Def, TRI) << "\n     in "  in propagateDefs()
811     MODef.setReg(Def);  in propagateDefs()
836       MCRegister Def = MI->getOperand(0).getReg().asMCReg();  in BackwardCopyPropagateBlock()  local
843         Tracker.invalidateRegister(Def, *TRI);  in BackwardCopyPropagateBlock()