From bf2b7e8beb4f7f38a68b1e2d6831bd024f2a379c Mon Sep 17 00:00:00 2001
From: "Vikram S. Adve" <vadve@cs.uiuc.edu>
Date: Sat, 28 Jul 2001 04:41:10 +0000
Subject: [PATCH] Added a pointer hash function object for use in pointer maps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Support/HashExtras.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/llvm/Support/HashExtras.h b/include/llvm/Support/HashExtras.h
index ecd572e3d9e..6ea831e78f0 100644
--- a/include/llvm/Support/HashExtras.h
+++ b/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
-- 
2.34.1