eliminate the ability to remove global nodes from deadNodeElminate... for now.

This slows stuff down a bit, but it should get much better before it gets any
worse.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4666 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/DataStructure/DSGraph.h

@@ -135,7 +135,7 @@ public:
   // from the caller's graph entirely.  This is only appropriate to use when
   // inlining graphs.
   //
-  void removeDeadNodes(bool KeepAllGlobals);
+  void removeDeadNodes();
 
   // CloneFlags enum - Bits that may be passed into the cloneInto method to
   // specify how to clone the function graph.
@@ -172,7 +172,7 @@ private:
   // merged with other nodes in the graph.  This is used as the first step of
   // removeDeadNodes.
   //
-  void removeTriviallyDeadNodes(bool KeepAllGlobals = false);
+  void removeTriviallyDeadNodes();
 };
 
 #endif