429 

   429 

   430 //------------------------------PhaseIterGVN-----------------------------------

   430 //------------------------------PhaseIterGVN-----------------------------------

   431 // Phase for iteratively performing local, pessimistic GVN-style optimizations.

   431 // Phase for iteratively performing local, pessimistic GVN-style optimizations.

   432 // and ideal transformations on the graph.

   432 // and ideal transformations on the graph.

   433 class PhaseIterGVN : public PhaseGVN {

   433 class PhaseIterGVN : public PhaseGVN {

   435   bool _delay_transform;  // When true simply register the node when calling transform

   435   bool _delay_transform;  // When true simply register the node when calling transform

   436                           // instead of actually optimizing it

   436                           // instead of actually optimizing it

   437 

   437 

   438   // Idealize old Node 'n' with respect to its inputs and its value

   438   // Idealize old Node 'n' with respect to its inputs and its value

   439   virtual Node *transform_old( Node *a_node );

   439   virtual Node *transform_old( Node *a_node );