[ADT] Teach MapVector to support a swap member. Will be used in

[oota-llvm.git] / include / llvm / ADT / MapVector.h

diff --git a/include/llvm/ADT/MapVector.h b/include/llvm/ADT/MapVector.h
index 1331b15b2d2944565b0ff2a3d554f91e2d48957c..f19a50b7ba8450cce8c0d2c630abf220fdd170c6 100644 (file)
--- a/include/llvm/ADT/MapVector.h
+++ b/include/llvm/ADT/MapVector.h
@@ -67,6 +67,11 @@ public:
     Vector.clear();
   }
 
+  void swap(MapVector &RHS) {
+    std::swap(Map, RHS.Map);
+    std::swap(Vector, RHS.Vector);
+  }
+
   ValueT &operator[](const KeyT &Key) {
     std::pair<KeyT, unsigned> Pair = std::make_pair(Key, 0);
     std::pair<typename MapType::iterator, bool> Result = Map.insert(Pair);