Add CachedHashStringRef::data().

This accessor is useful and could be slightly more efficient than
Str.val().data() because you can avoid StringRef instantiation.

Differential Revision: https://reviews.llvm.org/D49133

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336683 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/CachedHashString.h b/include/llvm/ADT/CachedHashString.h
index a56a621..d8f0e7a 100644 (file)
--- a/include/llvm/ADT/CachedHashString.h
+++ b/include/llvm/ADT/CachedHashString.h
@@ -43,6 +43,7 @@ public:
   }
 
   StringRef val() const { return StringRef(P, Size); }
+  const char *data() const { return P; }
   uint32_t size() const { return Size; }
   uint32_t hash() const { return Hash; }
 };