459   Register IndexReg = LeaI->getOperand(1 + X86::AddrIndexReg).getReg();  in checkRegUsage()  local
475       if (TRI->regsOverlap(Reg, IndexReg)) {  in checkRegUsage()
508   Register IndexReg = I->getOperand(1 + X86::AddrIndexReg).getReg();  in optLEAALU()  local
511     IndexReg = TRI->getSubReg(IndexReg, X86::sub_32bit);  in optLEAALU()
513   if (AluDestReg == IndexReg) {  in optLEAALU()
514     if (BaseReg == IndexReg)  in optLEAALU()
516     std::swap(BaseReg, IndexReg);  in optLEAALU()
519   if (BaseReg == IndexReg)  in optLEAALU()
533                .addReg(IndexReg, KilledIndex ? RegState::Kill : 0);  in optLEAALU()
567   Register IndexReg = Index.getReg();  in optTwoAddrLEA()  local
577     if (IndexReg != 0)  in optTwoAddrLEA()
578       IndexReg = TRI->getSubReg(IndexReg, X86::sub_32bit);  in optTwoAddrLEA()
586   if (BaseReg != 0 && IndexReg != 0 && Disp.getImm() == 0 &&  in optTwoAddrLEA()
587       (DestReg == BaseReg || DestReg == IndexReg)) {  in optTwoAddrLEA()
590       std::swap(BaseReg, IndexReg);  in optTwoAddrLEA()
595         .addReg(BaseReg).addReg(IndexReg)  in optTwoAddrLEA()
600         .addReg(BaseReg).addReg(IndexReg);  in optTwoAddrLEA()
602   } else if (DestReg == BaseReg && IndexReg == 0) {  in optTwoAddrLEA()
634   } else if (BaseReg != 0 && IndexReg != 0 && Disp.getImm() == 0) {  in optTwoAddrLEA()
760   Register IndexReg = Index.getReg();  in processInstrForSlow3OpLEA()  local
765     if (IndexReg != 0)  in processInstrForSlow3OpLEA()
766       IndexReg = TRI->getSubReg(IndexReg, X86::sub_32bit);  in processInstrForSlow3OpLEA()
771   bool IsInefficientIndex = isInefficientLEAReg(IndexReg);  in processInstrForSlow3OpLEA()
782   bool BaseOrIndexIsDst = DestReg == BaseReg || DestReg == IndexReg;  in processInstrForSlow3OpLEA()
789   if (IsScale1 && BaseReg == IndexReg &&  in processInstrForSlow3OpLEA()
812       std::swap(BaseReg, IndexReg);  in processInstrForSlow3OpLEA()
818                   .addReg(IndexReg)  in processInstrForSlow3OpLEA()
824                   .addReg(IndexReg);  in processInstrForSlow3OpLEA()
878     bool BIK = Base.isKill() && BaseReg != IndexReg;  in processInstrForSlow3OpLEA()