From f856249d496663b72b9eac37cdabb52932abd0e0 Mon Sep 17 00:00:00 2001
From: Manman Ren <mren@apple.com>
Date: Mon, 8 Jul 2013 19:17:48 +0000
Subject: StringRef: add DenseMapInfo for StringRef.

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
---
 lib/Support/StringRef.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/Support/StringRef.cpp')

diff --git a/lib/Support/StringRef.cpp b/lib/Support/StringRef.cpp
index d7a0bfa410..c0f366cb3e 100644
--- a/lib/Support/StringRef.cpp
+++ b/lib/Support/StringRef.cpp
@@ -11,6 +11,7 @@
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/Hashing.h"
 #include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/edit_distance.h"
 #include <bitset>
 
@@ -465,3 +466,7 @@ bool StringRef::getAsInteger(unsigned Radix, APInt &Result) const {
 hash_code llvm::hash_value(StringRef S) {
   return hash_combine_range(S.begin(), S.end());
 }
+
+unsigned DenseMapInfo<StringRef>::getHashValue(StringRef const val) {
+  return llvm::HashString(val);
+}
-- 
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