[clangd] Use our own relation kind.
Summary:
Move the RelationKind from Serialization.h to Relation.h. This patch doesn't
introduce any breaking changes.
Reviewers: kadircet
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D68981
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375117 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/ADT/DenseMapInfo.h b/include/llvm/ADT/DenseMapInfo.h
index c4e8f2d..bd4c60c 100644
--- a/include/llvm/ADT/DenseMapInfo.h
+++ b/include/llvm/ADT/DenseMapInfo.h
@@ -67,6 +67,17 @@
}
};
+// Provide DenseMapInfo for unsigned chars.
+template <> struct DenseMapInfo<unsigned char> {
+ static inline unsigned char getEmptyKey() { return ~0; }
+ static inline unsigned char getTombstoneKey() { return ~0 - 1; }
+ static unsigned getHashValue(const unsigned char &Val) { return Val * 37U; }
+
+ static bool isEqual(const unsigned char &LHS, const unsigned char &RHS) {
+ return LHS == RHS;
+ }
+};
+
// Provide DenseMapInfo for unsigned shorts.
template <> struct DenseMapInfo<unsigned short> {
static inline unsigned short getEmptyKey() { return 0xFFFF; }
