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diff src/share/vm/opto/matcher.hpp @ 222:2a1a77d3458f

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6718676: putback for 6604014 is incomplete Reviewed-by: kvn, jrose
author never
date Tue, 24 Jun 2008 16:00:14 -0700
parents 8d191a7697e2
children 9c2ecc2ffb12
line wrap: on
line diff
--- a/src/share/vm/opto/matcher.hpp	Tue Jun 24 10:43:29 2008 -0700
+++ b/src/share/vm/opto/matcher.hpp	Tue Jun 24 16:00:14 2008 -0700
@@ -84,6 +84,7 @@
   Node_Array _shared_nodes;
 
   debug_only(Node_Array _old2new_map;)   // Map roots of ideal-trees to machine-roots
+  debug_only(Node_Array _new2old_map;)   // Maps machine nodes back to ideal
 
   // Accessors for the inherited field PhaseTransform::_nodes:
   void   grow_new_node_array(uint idx_limit) {
@@ -390,5 +391,9 @@
 
 #ifdef ASSERT
   void dump_old2new_map();      // machine-independent to machine-dependent
+
+  Node* find_old_node(Node* new_node) {
+    return _new2old_map[new_node->_idx];
+  }
 #endif
 };