146       auto Src = TRI.regunits(CopyOperands->Source->getReg().asMCReg());  in invalidateRegister()  local
148       RegUnitsToInvalidate.insert(Src.begin(), Src.end());  in invalidateRegister()
180           MCRegister Src = CopyOperands->Source->getReg().asMCReg();  in clobberRegister()  local
196           for (MCRegUnit SrcUnit : TRI.regunits(Src)) {  in clobberRegister()
232     MCRegister Src = CopyOperands->Source->getReg().asMCReg();  in trackCopy()  local
241     for (MCRegUnit Unit : TRI.regunits(Src)) {  in trackCopy()
417   bool eraseIfRedundant(MachineInstr &Copy, MCRegister Src, MCRegister Def);
472 static bool isNopCopy(const MachineInstr &PreviousCopy, MCRegister Src,  in isNopCopy()  argument
480   if (Src == PreviousSrc && Def == PreviousDef)  in isNopCopy()
482   if (!TRI->isSubRegister(PreviousSrc, Src))  in isNopCopy()
484   unsigned SubIdx = TRI->getSubRegIndex(PreviousSrc, Src);  in isNopCopy()
492                                               MCRegister Src, MCRegister Def) {  in eraseIfRedundant()  argument
495   if (MRI->isReserved(Src) || MRI->isReserved(Def))  in eraseIfRedundant()
508   if (!isNopCopy(*PrevCopy, Src, Def, TRI, TII, UseCopyInstr))  in eraseIfRedundant()
520   assert(CopyDef == Src || CopyDef == Def);  in eraseIfRedundant()
774         MCRegister Src = RegSrc.asMCReg();  in ForwardCopyPropagateBlock()  local
791         if (eraseIfRedundant(MI, Def, Src) || eraseIfRedundant(MI, Src, Def))  in ForwardCopyPropagateBlock()
798         Src = CopyOperands->Source->getReg().asMCReg();  in ForwardCopyPropagateBlock()
802         ReadRegister(Src, MI, RegularUse);  in ForwardCopyPropagateBlock()
954   Register Src = CopyOperands.Source->getReg();  in isBackwardPropagatableCopy()  local
956   if (!Def || !Src)  in isBackwardPropagatableCopy()
959   if (MRI.isReserved(Def) || MRI.isReserved(Src))  in isBackwardPropagatableCopy()
995     Register Src = CopyOperands->Source->getReg();  in propagateDefs()  local
997     if (MODef.getReg() != Src)  in propagateDefs()
1092     Register Src = CopyOperands->Source->getReg();  in BackwardCopyPropagateBlock()  local
1097     MRI->updateDbgUsersToReg(Src.asMCReg(), Def.asMCReg(), MaybeDeadDbgUsers);  in BackwardCopyPropagateBlock()
1196         auto CheckCopyConstraint = [this](Register Def, Register Src) {  in EliminateSpillageCopies()  argument
1198             if (RC->contains(Def) && RC->contains(Src))  in EliminateSpillageCopies()
1247     Register Src = CopyOperands->Source->getReg();  in EliminateSpillageCopies()  local
1249     return Src && Def && !TRI->regsOverlap(Src, Def) &&  in EliminateSpillageCopies()
1322     Register Src = CopyOperands->Source->getReg();  in EliminateSpillageCopies()  local
1328         Tracker.findLastSeenDefInCopy(MI, Src.asMCReg(), *TRI, *TII, UseCopyInstr);  in EliminateSpillageCopies()
1408       Tracker.clobberRegister(Src.asMCReg(), *TRI, *TII, UseCopyInstr);  in EliminateSpillageCopies()
1409       LLVM_DEBUG(dbgs() << "MCP: Removed tracking of " << printReg(Src, TRI)  in EliminateSpillageCopies()