907     if (LoVar && HiVar) {  in setName()
908       LoVar->setName(Func, getName() + "__lo");  in setName()
915     if (LoVar && HiVar) {
916       LoVar->setIsArg(Val);
922     assert(LoVar != nullptr);  in getLo()
923     return LoVar;  in getLo()
931     assert(LoVar == nullptr);  in initHiLo()
933     LoVar = Func->makeVariable(IceType_i32);  in initHiLo()
935     LoVar->setIsArg(getIsArg());  in initHiLo()
938       LoVar->setName(Func, getName() + "__lo");  in initHiLo()
954   Variable *LoVar = nullptr;  variable