MachineRegisterInfo::def_iterator I = mri_->def_begin(Reg),
E = mri_->def_end();
- // For the def, it should be the only def.
+ // For the def, it should be the only def of that register.
if (MO.isDef() && (next(I) != E || IsLiveIn))
return false;
else if (Reg != ImpUse)
return false;
}
- // For uses, there should be only one associate def.
+ // For the use, there should be only one associated def.
if (I != E && (next(I) != E || IsLiveIn))
return false;
}