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StringRef: add DenseMapInfo for StringRef.

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Remove the implementation in include/llvm/Support/YAMLTraits.h.
Added a DenseMap type DITypeHashMap in DebugInfo.h:
  DenseMap<std::pair<StringRef, unsigned>, MDNode*>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185852 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren
2013-07-08 19:17:48 +00:00
parent 7426a3b588
commit f856249d49
4 changed files with 18 additions and 9 deletions
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include/llvm/ADT/StringRef.h
+8
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@@ -548,6 +548,14 @@ namespace llvm {
template <typename T> struct isPodLike;
template <> struct isPodLike<StringRef> { static const bool value = true; };
template <typename T> struct DenseMapInfo;
template<> struct DenseMapInfo<StringRef> {
static StringRef getEmptyKey() { return StringRef(); }
static StringRef getTombstoneKey() { return StringRef(" ", 0); }
static unsigned getHashValue(StringRef const val);
static bool isEqual(StringRef const lhs,
StringRef const rhs) { return lhs.equals(rhs); }
};
}
#endif