Lines Matching defs:SrcMI

244   MachineInstr *SrcMI = MRI->getUniqueVRegDef(MI.getOperand(2).getReg());
245   if (!SrcMI)
258   if (SrcMI->getOpcode() == TargetOpcode::COPY &&
259       SrcMI->getOperand(1).getReg().isVirtual()) {
261         MRI->getRegClass(SrcMI->getOperand(1).getReg());
267          SrcMI->getOperand(1).getSubReg() != AArch64::ssub))
269     Register CpySrc = SrcMI->getOperand(1).getReg();
270     if (SrcMI->getOperand(1).getSubReg() == AArch64::ssub) {
272       BuildMI(*SrcMI->getParent(), SrcMI, SrcMI->getDebugLoc(),
274           .add(SrcMI->getOperand(1));
276     BuildMI(*SrcMI->getParent(), SrcMI, SrcMI->getDebugLoc(),
277             TII->get(AArch64::FMOVSWr), SrcMI->getOperand(0).getReg())
279     SrcMI->eraseFromParent();
281   else if (SrcMI->getOpcode() <= TargetOpcode::GENERIC_OP_END)
327   MachineInstr *SrcMI = MRI->getUniqueVRegDef(MI.getOperand(2).getReg());
328   if (!SrcMI)
341   if ((SrcMI->getOpcode() <= TargetOpcode::GENERIC_OP_END) ||
452         MachineInstr &SrcMI = *MRI->getUniqueVRegDef(MI.getOperand(1).getReg());
453         std::optional<UsedNZCV> NZCVUsed = examineCFlagsUse(SrcMI, MI, *TRI);
608   MachineInstr *SrcMI = MRI->getUniqueVRegDef(MI.getOperand(3).getReg());
613     if (!SrcMI || SrcMI->getOpcode() != TargetOpcode::COPY)
616     if (!SrcMI->getOperand(1).getReg().isVirtual())
619     if (MRI->getRegClass(SrcMI->getOperand(1).getReg()) ==
623     SrcMI = MRI->getUniqueVRegDef(SrcMI->getOperand(1).getReg());
627   Register SrcReg = SrcMI->getOperand(1).getReg();
632           .addUse(SrcReg, getRegState(SrcMI->getOperand(1)))
782   MachineInstr *SrcMI = MRI->getUniqueVRegDef(InputReg);
784   DeadInstrs.insert(SrcMI);
785   while (SrcMI && SrcMI->isFullCopy() &&
786          MRI->hasOneNonDBGUse(SrcMI->getOperand(1).getReg())) {
787     SrcMI = MRI->getUniqueVRegDef(SrcMI->getOperand(1).getReg());
788     DeadInstrs.insert(SrcMI);
791   if (!SrcMI)
795   auto getSXTWSrcReg = [](MachineInstr *SrcMI) -> Register {
796     if (SrcMI->getOpcode() != AArch64::SBFMXri ||
797         SrcMI->getOperand(2).getImm() != 0 ||
798         SrcMI->getOperand(3).getImm() != 31)
800     return SrcMI->getOperand(1).getReg();
803   auto getUXTWSrcReg = [&](MachineInstr *SrcMI) -> Register {
804     if (SrcMI->getOpcode() != AArch64::SUBREG_TO_REG ||
805         SrcMI->getOperand(3).getImm() != AArch64::sub_32 ||
806         !MRI->hasOneNonDBGUse(SrcMI->getOperand(2).getReg()))
808     MachineInstr *Orr = MRI->getUniqueVRegDef(SrcMI->getOperand(2).getReg());
821   Register SrcReg = getSXTWSrcReg(SrcMI);
823     SrcReg = getUXTWSrcReg(SrcMI);