[llvm] r188582 - allow != to compare PointerUnion, we already support ==.

[Chris Lattner]

Author: lattner
Date: Fri Aug 16 17:09:02 2013
New Revision: 188582

URL: http://llvm.org/viewvc/llvm-project?rev=188582&view=rev
Log:
allow != to compare PointerUnion, we already support ==.

Modified:
    llvm/trunk/include/llvm/ADT/PointerUnion.h

Modified: llvm/trunk/include/llvm/ADT/PointerUnion.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/PointerUnion.h?rev=188582&r1=188581&r2=188582&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/PointerUnion.h (original)
+++ llvm/trunk/include/llvm/ADT/PointerUnion.h Fri Aug 16 17:09:02 2013
@@ -177,10 +177,17 @@ namespace llvm {
   };
 
   template<typename PT1, typename PT2>
-  bool operator==(PointerUnion<PT1, PT2> lhs, PointerUnion<PT1, PT2> rhs) {
+  static bool operator==(PointerUnion<PT1, PT2> lhs,
+                         PointerUnion<PT1, PT2> rhs) {
     return lhs.getOpaqueValue() == rhs.getOpaqueValue();
   }
-  
+
+  template<typename PT1, typename PT2>
+  static bool operator!=(PointerUnion<PT1, PT2> lhs,
+                         PointerUnion<PT1, PT2> rhs) {
+    return lhs.getOpaqueValue() == rhs.getOpaqueValue();
+  }
+
   // Teach SmallPtrSet that PointerUnion is "basically a pointer", that has
   // # low bits available = min(PT1bits,PT2bits)-1.
   template<typename PT1, typename PT2>