930     if (LoVar && HiVar) {  in setName()
932       HiVar->setName(Func, getName() + "__hi");  in setName()
938     if (LoVar && HiVar) {
940       HiVar->setIsArg(Val);
949     assert(HiVar != nullptr);  in getHi()
950     return HiVar;  in getHi()
955     assert(HiVar == nullptr);  in initHiLo()
957     HiVar = Func->makeVariable(IceType_i32);  in initHiLo()
959     HiVar->setIsArg(getIsArg());  in initHiLo()
962       HiVar->setName(Func, getName() + "__hi");  in initHiLo()
978   Variable *HiVar = nullptr;  variable