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diff src/share/vm/opto/split_if.cpp @ 1621:6027dddc26c6

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6677629: PhaseIterGVN::subsume_node() should call hash_delete() and add_users_to_worklist() Summary: Use replace_node() method instead of subsume_node(). Reviewed-by: jrose, never
author kvn
date Mon, 28 Jun 2010 14:54:39 -0700
parents c18cbe5936b8
children f95d63e2154a
line wrap: on
line diff
--- a/src/share/vm/opto/split_if.cpp	Mon Jun 28 10:52:50 2010 -0700
+++ b/src/share/vm/opto/split_if.cpp	Mon Jun 28 14:54:39 2010 -0700
@@ -217,8 +217,7 @@
   register_new_node(phi, blk1);
 
   // Remove cloned-up value from optimizer; use phi instead
-  _igvn.hash_delete(n);
-  _igvn.subsume_node( n, phi );
+  _igvn.replace_node( n, phi );
 
   // (There used to be a self-recursive call to split_up() here,
   // but it is not needed.  All necessary forward walking is done
@@ -352,8 +351,7 @@
   }
 
   if (use_blk == NULL) {        // He's dead, Jim
-    _igvn.hash_delete(use);
-    _igvn.subsume_node(use, C->top());
+    _igvn.replace_node(use, C->top());
   }
 
   return use_blk;