diff -r 4248c8e21063 -r e9a0a9dcd4f6 hotspot/src/share/vm/opto/cfgnode.hpp
--- a/hotspot/src/share/vm/opto/cfgnode.hpp	Wed Dec 05 09:00:00 2007 -0800
+++ b/hotspot/src/share/vm/opto/cfgnode.hpp	Wed Dec 05 09:01:00 2007 -0800
@@ -310,8 +310,14 @@
   virtual const RegMask &out_RegMask() const;
   void dominated_by(Node* prev_dom, PhaseIterGVN* igvn);
   int is_range_check(Node* &range, Node* &index, jint &offset);
+  Node* fold_compares(PhaseGVN* phase);
   static Node* up_one_dom(Node* curr, bool linear_only = false);
 
+  // Takes the type of val and filters it through the test represented
+  // by if_proj and returns a more refined type if one is produced.
+  // Returns NULL is it couldn't improve the type.
+  static const TypeInt* filtered_int_type(PhaseGVN* phase, Node* val, Node* if_proj);
+
 #ifndef PRODUCT
   virtual void dump_spec(outputStream *st) const;
 #endif