166   unsigned IndexReg = Index.getReg();  in is16BitMemOperand()  local
168   if (STI.hasFeature(X86::Mode16Bit) && BaseReg == 0 && IndexReg == 0)  in is16BitMemOperand()
172       (IndexReg != 0 &&  in is16BitMemOperand()
173        X86MCRegisterClasses[X86::GR16RegClassID].contains(IndexReg)))  in is16BitMemOperand()
183   const MCOperand &IndexReg = MI.getOperand(Op + X86::AddrIndexReg);  in is32BitMemOperand()  local
187       (IndexReg.getReg() != 0 &&  in is32BitMemOperand()
188        X86MCRegisterClasses[X86::GR32RegClassID].contains(IndexReg.getReg())))  in is32BitMemOperand()
191     assert(IndexReg.getReg() == 0 && "Invalid eip-based address.");  in is32BitMemOperand()
194   if (IndexReg.getReg() == X86::EIZ)  in is32BitMemOperand()
205   const MCOperand &IndexReg = MI.getOperand(Op + X86::AddrIndexReg);  in is64BitMemOperand()  local
209       (IndexReg.getReg() != 0 &&  in is64BitMemOperand()
210        X86MCRegisterClasses[X86::GR64RegClassID].contains(IndexReg.getReg())))  in is64BitMemOperand()
387   const MCOperand &IndexReg = MI.getOperand(Op + X86::AddrIndexReg);  in emitMemModRMByte()  local
395     assert(IndexReg.getReg() == 0 && !ForceSIB &&  in emitMemModRMByte()
483       if (IndexReg.getReg()) {  in emitMemModRMByte()
484         unsigned IndexReg16 = R16Table[getX86RegNum(IndexReg)];  in emitMemModRMByte()
514       assert(IndexReg.getReg() == 0 && "Unexpected index register!");  in emitMemModRMByte()
536       !ForceSIB && IndexReg.getReg() == 0 &&  in emitMemModRMByte()
601   assert(IndexReg.getReg() != X86::ESP && IndexReg.getReg() != X86::RSP &&  in emitMemModRMByte()
638   unsigned IndexRegNo = IndexReg.getReg() ? getX86RegNum(IndexReg) : 4;  in emitMemModRMByte()