2888 struct Poly {  struct
2895   Poly(NodeKind Kind) : Kind(Kind) {}  in Poly()  argument
2897   virtual ~Poly() = default;
2902 struct Scalar : Poly {  argument
2914   Scalar() : Poly(NK_Scalar), SKind(SK_Unknown) {}  in Scalar()
2916       : Poly(NK_Scalar), SKind(SK_Double), DoubleValue(DoubleValue) {}  in Scalar()
2918       : Poly(NK_Scalar), SKind(SK_Bool), BoolValue(BoolValue) {}  in Scalar()
2920   static bool classof(const Poly *N) { return N->getKind() == NK_Scalar; }  in classof()
2923 struct Seq : Poly, std::vector<std::unique_ptr<Poly>> {
2924   Seq() : Poly(NK_Seq) {}  in Seq()
2926   static bool classof(const Poly *N) { return N->getKind() == NK_Seq; }  in classof()
2929 struct Map : Poly, llvm::StringMap<std::unique_ptr<Poly>> {
2930   Map() : Poly(NK_Map) {}  in Map()
2932   static bool classof(const Poly *N) { return N->getKind() == NK_Map; }  in classof()
2938 template <> struct PolymorphicTraits<std::unique_ptr<Poly>> {
2939   static NodeKind getKind(const std::unique_ptr<Poly> &N) {  in getKind()
2949   static Scalar &getAsScalar(std::unique_ptr<Poly> &N) {  in getAsScalar()
2955   static Seq &getAsSequence(std::unique_ptr<Poly> &N) {  in getAsSequence()
2961   static Map &getAsMap(std::unique_ptr<Poly> &N) {  in getAsMap()
3030   static std::unique_ptr<Poly> &element(IO &IO, Seq &A, size_t Index) {  in element()
3042   std::unique_ptr<Poly> node = std::make_unique<Scalar>(true);  in TEST()
3059     auto node = llvm::unique_dyn_cast<Poly>(seq);  in TEST()
3067     std::unique_ptr<Poly> node;  in TEST()
3091     std::unique_ptr<Poly> node = llvm::unique_dyn_cast<Poly>(map);  in TEST()
3099     std::unique_ptr<Poly> node;  in TEST()