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.

llvm-svn: 4666
diff --git a/llvm/lib/Analysis/DataStructure/TopDownClosure.cpp b/llvm/lib/Analysis/DataStructure/TopDownClosure.cpp
index 1da43e5..5c15b50 100644
--- a/llvm/lib/Analysis/DataStructure/TopDownClosure.cpp
+++ b/llvm/lib/Analysis/DataStructure/TopDownClosure.cpp
@@ -186,7 +186,7 @@
       CG.maskIncompleteMarkers();
       CG.markIncompleteNodes(/*markFormals*/ !F.hasInternalLinkage()
                              /*&& FIXME: NEED TO CHECK IF ALL CALLERS FOUND!*/);
-      CG.removeDeadNodes(/*KeepAllGlobals*/ false);
+      CG.removeDeadNodes();
     }
 
   DEBUG(std::cerr << "  [TD] Done inlining into callees for: " << F.getName()