src/share/vm/opto/node.hpp

@@ -672,11 +672,12 @@
     Flag_may_be_short_branch         = Flag_is_dead_loop_safe << 1,
     Flag_avoid_back_to_back_before   = Flag_may_be_short_branch << 1,
     Flag_avoid_back_to_back_after    = Flag_avoid_back_to_back_before << 1,
     Flag_has_call                    = Flag_avoid_back_to_back_after << 1,
     Flag_is_reduction                = Flag_has_call << 1,
-    Flag_is_expensive                = Flag_is_reduction << 1,
+    Flag_is_scheduled                = Flag_is_reduction,
+    Flag_is_expensive                = Flag_is_scheduled << 1,
     _max_flags = (Flag_is_expensive << 1) - 1 // allow flags combination
   };
 
 private:
   jushort _class_id;

@@ -859,10 +860,13 @@
 
   // An arithmetic node which accumulates a data in a loop.
   // It must have the loop's phi as input and provide a def to the phi.
   bool is_reduction() const { return (_flags & Flag_is_reduction) != 0; }
 
+  // Used in lcm to mark nodes that have scheduled
+  bool is_scheduled() const { return (_flags & Flag_is_scheduled) != 0; }
+
 //----------------- Optimization
 
   // Get the worst-case Type output for this Node.
   virtual const class Type *bottom_type() const;