46 //     outs() << isa<MyBaseClass>(B) << "\n"; // Outputs "1".
47 //     outs() << isa<MyDerivedClass1>(B) << "\n"; // Outputs "1".
48 //     outs() << isa<MyDerivedClass2>(B) << "\n"; // Outputs "0'.
68 /// This class defines virtual methods, dynamicClassID and isA, that enable
81   virtual bool isA(const void *const ClassID) const {  in isA()  function
86   template <typename QueryT> bool isA() const { return isA(QueryT::classID()); }  in isA()  function
88   static bool classof(const RTTIRoot *R) { return R->isA<RTTIRoot>(); }  in classof()
99 /// ExtensibleRTTI-parent (i.e. a parent for which the isa<> test will work),
117   // Inherit constructors and isA methods from ParentT.
118   using ParentT::isA;
127   bool isA(const void *const ClassID) const override {  in isA()  function
128     return ClassID == classID() || ParentT::isA(ClassID);  in isA()
131   static bool classof(const RTTIRoot *R) { return R->isA<ThisT>(); }  in classof()
139 template <typename To, typename From> bool isa(const From &Value) {  in isa()  function