Lines Matching defs:NewReg

638       unsigned NewReg = 0;
640         NewReg = NewSuperReg;
644           NewReg = TRI->getSubReg(NewSuperReg, NewSubRegIdx);
647       LLVM_DEBUG(dbgs() << " " << printReg(NewReg, TRI));
649       // Check if Reg can be renamed to NewReg.
650       if (!RenameRegisterMap[Reg].test(NewReg)) {
655       // If NewReg is dead and NewReg's most recent def is not before
656       // Regs's kill, it's safe to replace Reg with NewReg. We
657       // must also check all aliases of NewReg, because we can't define a
659       if (State->IsLive(NewReg) || (KillIndices[Reg] > DefIndices[NewReg])) {
664         for (MCRegAliasIterator AI(NewReg, TRI, false); AI.isValid(); ++AI) {
678       // We cannot rename 'Reg' to 'NewReg' if one of the uses of 'Reg' also
679       // defines 'NewReg' via an early-clobber operand.
682         int Idx = UseMI->findRegisterDefOperandIdx(NewReg, TRI, false, true);
692       // Also, we cannot rename 'Reg' to 'NewReg' if the instruction defining
694       // 'NewReg'.
700         if (DefMI->readsRegister(NewReg, TRI)) {
706       // Record that 'Reg' can be renamed to 'NewReg'.
707       RenameMap.insert(std::pair<unsigned, unsigned>(Reg, NewReg));
915             unsigned NewReg = P.second;
918                               << printReg(NewReg, TRI) << "("
922             // refer to the new register NewReg.
924               Q.second.Operand->setReg(NewReg);
931                               AntiDepReg, NewReg);
937             State->UnionGroups(NewReg, 0);
938             RegRefs.erase(NewReg);
939             DefIndices[NewReg] = DefIndices[CurrReg];
940             KillIndices[NewReg] = KillIndices[CurrReg];