Lines Matching defs:NewReg

637       unsigned NewReg = 0;
639         NewReg = NewSuperReg;
643           NewReg = TRI->getSubReg(NewSuperReg, NewSubRegIdx);
646       LLVM_DEBUG(dbgs() << " " << printReg(NewReg, TRI));
648       // Check if Reg can be renamed to NewReg.
649       if (!RenameRegisterMap[Reg].test(NewReg)) {
654       // If NewReg is dead and NewReg's most recent def is not before
655       // Regs's kill, it's safe to replace Reg with NewReg. We
656       // must also check all aliases of NewReg, because we can't define a
658       if (State->IsLive(NewReg) || (KillIndices[Reg] > DefIndices[NewReg])) {
663         for (MCRegAliasIterator AI(NewReg, TRI, false); AI.isValid(); ++AI) {
677       // We cannot rename 'Reg' to 'NewReg' if one of the uses of 'Reg' also
678       // defines 'NewReg' via an early-clobber operand.
681         int Idx = UseMI->findRegisterDefOperandIdx(NewReg, TRI, false, true);
691       // Also, we cannot rename 'Reg' to 'NewReg' if the instruction defining
693       // 'NewReg'.
699         if (DefMI->readsRegister(NewReg, TRI)) {
705       // Record that 'Reg' can be renamed to 'NewReg'.
706       RenameMap.insert(std::pair<unsigned, unsigned>(Reg, NewReg));
914             unsigned NewReg = P.second;
917                               << printReg(NewReg, TRI) << "("
921             // refer to the new register NewReg.
923               Q.second.Operand->setReg(NewReg);
930                               AntiDepReg, NewReg);
936             State->UnionGroups(NewReg, 0);
937             RegRefs.erase(NewReg);
938             DefIndices[NewReg] = DefIndices[CurrReg];
939             KillIndices[NewReg] = KillIndices[CurrReg];