930     if (LoVar && HiVar) {  in setName()
931       LoVar->setName(Func, getName() + "__lo");  in setName()
938     if (LoVar && HiVar) {
939       LoVar->setIsArg(Val);
945     assert(LoVar != nullptr);  in getLo()
946     return LoVar;  in getLo()
954     assert(LoVar == nullptr);  in initHiLo()
956     LoVar = Func->makeVariable(IceType_i32);  in initHiLo()
958     LoVar->setIsArg(getIsArg());  in initHiLo()
961       LoVar->setName(Func, getName() + "__lo");  in initHiLo()
977   Variable *LoVar = nullptr;  variable