+ return (unsigned((uintptr_t)PtrVal) >> 4) ^
+ (unsigned((uintptr_t)PtrVal) >> 9);
+ }
+ static bool isEqual(const T *LHS, const T *RHS) { return LHS == RHS; }
+ static bool isPod() { return true; }
+};
+
+// Provide DenseMapInfo for chars.
+template<> struct DenseMapInfo<char> {
+ static inline char getEmptyKey() { return ~0; }
+ static inline char getTombstoneKey() { return ~0 - 1; }
+ static unsigned getHashValue(const char& Val) { return Val * 37; }
+ static bool isPod() { return true; }
+ static bool isEqual(const char &LHS, const char &RHS) {
+ return LHS == RHS;
+ }
+};
+
+// Provide DenseMapInfo for unsigned ints.
+template<> struct DenseMapInfo<unsigned> {
+ static inline unsigned getEmptyKey() { return ~0; }
+ static inline unsigned getTombstoneKey() { return ~0 - 1; }
+ static unsigned getHashValue(const unsigned& Val) { return Val * 37; }
+ static bool isPod() { return true; }
+ static bool isEqual(const unsigned& LHS, const unsigned& RHS) {
+ return LHS == RHS;
+ }
+};
+
+// Provide DenseMapInfo for unsigned longs.
+template<> struct DenseMapInfo<unsigned long> {
+ static inline unsigned long getEmptyKey() { return ~0L; }
+ static inline unsigned long getTombstoneKey() { return ~0L - 1L; }
+ static unsigned getHashValue(const unsigned long& Val) {
+ return (unsigned)(Val * 37L);