Address review comment

Author: phoebewang

llvm/lib/Target/X86/X86LowerTileCopy.cpp

@@ -140,14 +140,14 @@ bool X86LowerTileCopy::runOnMachineFunction(MachineFunction &MF) {
       MachineInstr *NewMI =
           addFrameReference(BuildMI(MBB, MI, DL, TII->get(Opc)), TileSS)
               .addReg(SrcReg, getKillRegState(SrcMO.isKill()));
-      MachineOperand *MO = &NewMI->getOperand(2);
+      MachineOperand *MO = &NewMI->getOperand(X86::AddrIndexReg);
       MO->setReg(GR64Cand ? GR64Cand : X86::RAX);
       // tileloadd (%sp, %idx), %tmm
       Opc = GET_EGPR_IF_ENABLED(X86::TILELOADD);
 #undef GET_EGPR_IF_ENABLED
       NewMI = addFrameReference(BuildMI(MBB, MI, DL, TII->get(Opc), DstReg),
                                 TileSS);
-      MO = &NewMI->getOperand(3);
+      MO = &NewMI->getOperand(1 + X86::AddrIndexReg);
       MO->setReg(GR64Cand ? GR64Cand : X86::RAX);
       MO->setIsKill(true);
       if (!GR64Cand) {