diff --git a/include/llvm/Analysis/DataStructure/DSSupport.h b/include/llvm/Analysis/DataStructure/DSSupport.h
index 8eb67a03434..e4eb21bc23d 100644
--- a/include/llvm/Analysis/DataStructure/DSSupport.h
+++ b/include/llvm/Analysis/DataStructure/DSSupport.h
@@ -272,6 +272,10 @@ public:
     return CallArgs[i];
   }
 
+  void addPtrArg(const DSNodeHandle &NH) {
+    CallArgs.push_back(NH);
+  }
+
   void swap(DSCallSite &CS) {
     if (this != &CS) {
       std::swap(Site, CS.Site);