675     Value *ExtraDep;  member
678     ExprResult(const Expression *Expr, Value *ExtraDep = nullptr,  in ExprResult()
680         : Expr(Expr), ExtraDep(ExtraDep), PredDep(PredDep) {}  in ExprResult()
683         : Expr(Other.Expr), ExtraDep(Other.ExtraDep), PredDep(Other.PredDep) {  in ExprResult()
685       Other.ExtraDep = nullptr;  in ExprResult()
691     ~ExprResult() { assert(!ExtraDep && "unhandled ExtraDep"); }  in ~ExprResult()
696     static ExprResult some(const Expression *Expr, Value *ExtraDep = nullptr) {  in some()
697       return {Expr, ExtraDep, nullptr};  in some()
703     static ExprResult some(const Expression *Expr, Value *ExtraDep,  in some()
705       return {Expr, ExtraDep, PredDep};  in some()
2073   if (Res.ExtraDep && Res.ExtraDep != User)  in addAdditionalUsers()
2074     addAdditionalUsers(Res.ExtraDep, User);  in addAdditionalUsers()
2075   Res.ExtraDep = nullptr;  in addAdditionalUsers()
2489           Res.ExtraDep = nullptr;  in processOutgoingEdges()