Lines Matching defs:ZExt

88       MachineInstr *ZExt = nullptr;
92           ZExt = &Use;
94       if (!ZExt)
111       if (!MRI->constrainRegClass(ZExt->getOperand(0).getReg(), RC)) {
126         BuildMI(*ZExt->getParent(), ZExt, ZExt->getDebugLoc(),
134       BuildMI(*ZExt->getParent(), ZExt, ZExt->getDebugLoc(),
135               TII->get(X86::INSERT_SUBREG), ZExt->getOperand(0).getReg())
139       ToErase.push_back(ZExt);