unsigned Reg = MI->getOperand(0).getReg();
if (TargetRegisterInfo::isVirtualRegister(Reg)) {
- // For virtual regiusters, mark all uses as <undef>, and convert users to
+ // For virtual registers, mark all uses as <undef>, and convert users to
// implicit-def when possible.
for (MachineRegisterInfo::use_nodbg_iterator UI =
MRI->use_nodbg_begin(Reg),