463   Register IndexReg = LeaI->getOperand(1 + X86::AddrIndexReg).getReg();  in checkRegUsage()  local
481       if (TRI->regsOverlap(Reg, IndexReg)) {  in checkRegUsage()
515   Register IndexReg = I->getOperand(1 + X86::AddrIndexReg).getReg();  in optLEAALU()  local
518     IndexReg = TRI->getSubReg(IndexReg, X86::sub_32bit);  in optLEAALU()
520   if (AluDestReg == IndexReg) {  in optLEAALU()
521     if (BaseReg == IndexReg)  in optLEAALU()
523     std::swap(BaseReg, IndexReg);  in optLEAALU()
526   if (BaseReg == IndexReg)  in optLEAALU()
540                .addReg(IndexReg, KilledIndex ? RegState::Kill : 0);  in optLEAALU()
574   Register IndexReg = Index.getReg();  in optTwoAddrLEA()  local
584     if (IndexReg != 0)  in optTwoAddrLEA()
585       IndexReg = TRI->getSubReg(IndexReg, X86::sub_32bit);  in optTwoAddrLEA()
593   if (BaseReg != 0 && IndexReg != 0 && Disp.getImm() == 0 &&  in optTwoAddrLEA()
594       (DestReg == BaseReg || DestReg == IndexReg)) {  in optTwoAddrLEA()
597       std::swap(BaseReg, IndexReg);  in optTwoAddrLEA()
602         .addReg(BaseReg).addReg(IndexReg)  in optTwoAddrLEA()
607         .addReg(BaseReg).addReg(IndexReg);  in optTwoAddrLEA()
609   } else if (DestReg == BaseReg && IndexReg == 0) {  in optTwoAddrLEA()
641   } else if (BaseReg != 0 && IndexReg != 0 && Disp.getImm() == 0) {  in optTwoAddrLEA()
767   Register IndexReg = Index.getReg();  in processInstrForSlow3OpLEA()  local
772     if (IndexReg != 0)  in processInstrForSlow3OpLEA()
773       IndexReg = TRI->getSubReg(IndexReg, X86::sub_32bit);  in processInstrForSlow3OpLEA()
778   bool IsInefficientIndex = isInefficientLEAReg(IndexReg);  in processInstrForSlow3OpLEA()
794   if (IsScale1 && (DestReg == BaseReg || DestReg == IndexReg)) {  in processInstrForSlow3OpLEA()
797       std::swap(BaseReg, IndexReg);  in processInstrForSlow3OpLEA()
803                   .addReg(IndexReg)  in processInstrForSlow3OpLEA()
809                   .addReg(IndexReg);  in processInstrForSlow3OpLEA()
863     bool BIK = Base.isKill() && BaseReg != IndexReg;  in processInstrForSlow3OpLEA()