}
};
+// UnionValType - Define a class to hold the key that goes into the TypeMap
+//
+class UnionValType {
+ std::vector<const Type*> ElTypes;
+public:
+ UnionValType(const Type* const* Types, unsigned NumTypes)
+ : ElTypes(&Types[0], &Types[NumTypes]) {}
+
+ static UnionValType get(const UnionType *UT) {
+ std::vector<const Type *> ElTypes;
+ ElTypes.reserve(UT->getNumElements());
+ for (unsigned i = 0, e = UT->getNumElements(); i != e; ++i)
+ ElTypes.push_back(UT->getElementType(i));
+
+ return UnionValType(&ElTypes[0], ElTypes.size());
+ }
+
+ static unsigned hashTypeStructure(const UnionType *UT) {
+ return UT->getNumElements();
+ }
+
+ inline bool operator<(const UnionValType &UTV) const {
+ return (ElTypes < UTV.ElTypes);
+ }
+};
+
// FunctionValType - Define a class to hold the key that goes into the TypeMap
//
class FunctionValType {