Lines Matching refs:SrcMI
116 MachineInstr *SrcMI = MRI->getVRegDef(SrcReg);
119 if (SrcMI && SrcMI->isCopy() && !SrcMI->getOperand(0).getSubReg() &&
120 !SrcMI->getOperand(1).getSubReg() &&
121 Register::isVirtualRegister(SrcMI->getOperand(1).getReg())) {
122 SrcReg = SrcMI->getOperand(1).getReg();
123 SrcMI = MRI->getVRegDef(SrcReg);
125 if (!SrcMI)
128 if (SrcMI->isPHI()) {
129 if (!IsSingleValuePHICycle(SrcMI, SingleValReg, PHIsInCycle))