+ ValueHandleBase(const ValueHandleBase &RHS)
+ : ValueHandleBase(RHS.PrevPair.getInt(), RHS) {}
+
+ ValueHandleBase(HandleBaseKind Kind, const ValueHandleBase &RHS)
+ : PrevPair(nullptr, Kind), Next(nullptr), V(RHS.V) {
+ if (isValid(V))
+ AddToExistingUseList(RHS.getPrevPtr());
+ }
+