Add a getMemorySize() function for DenseSet.

llvm-svn: 169163
GitOrigin-RevId: 8c114534ffb67f7bf80199f0ea39a075f7e86a12

include/llvm/ADT/DenseSet.h

diff --git a/include/llvm/ADT/DenseSet.h b/include/llvm/ADT/DenseSet.h
index 8ab9a33..776863a 100644
--- a/include/llvm/ADT/DenseSet.h
+++ b/include/llvm/ADT/DenseSet.h
@@ -32,6 +32,7 @@
 
   bool empty() const { return TheMap.empty(); }
   unsigned size() const { return TheMap.size(); }
+  size_t getMemorySize() const { return TheMap.getMemorySize(); }
 
   /// Grow the denseset so that it has at least Size buckets. Does not shrink
   void resize(size_t Size) { TheMap.resize(Size); }