add a method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20709 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/DataStructure/DSNode.h

@@ -283,6 +283,11 @@ public:
   /// also marks the node with the 'G' flag if it does not already have it.
   ///
   void addGlobal(GlobalValue *GV);
+
+  /// removeGlobal - Remove the specified global that is explicitly in the
+  /// globals list.
+  void removeGlobal(GlobalValue *GV);
+
   void mergeGlobals(const std::vector<GlobalValue*> &RHS);
   void clearGlobals() { std::vector<GlobalValue*>().swap(Globals); }