Added a pointer hash function object for use in pointer maps.

llvm-svn: 316
2001-07-28 04:41:10 +00:00 · 2001-07-28 04:41:10 +00:00 · 56324d34f7
parent 0f32957dbb
commit 56324d34f7
1 changed files with 5 additions and 0 deletions
--- a/llvm/include/llvm/Support/HashExtras.h
+++ b/llvm/include/llvm/Support/HashExtras.h
@ -19,4 +19,9 @@ template <> struct hash<string> {
  }
 };

+// Provide a hash function for arbitrary pointers...
+template <class T> struct hash<T *> {
+  inline size_t operator()(const T *Val) const { return (size_t)Val; }
+};
+
 #endif