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diff src/share/vm/opto/macro.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 4311f23817fd
children e5dfb3ccb88b
line wrap: on
line diff
--- a/src/share/vm/opto/macro.cpp	Mon Jun 28 10:52:50 2010 -0700
+++ b/src/share/vm/opto/macro.cpp	Mon Jun 28 14:54:39 2010 -0700
@@ -135,8 +135,7 @@
   if (parm1 != NULL)  call->init_req(TypeFunc::Parms+1, parm1);
   copy_call_debug_info(oldcall, call);
   call->set_cnt(PROB_UNLIKELY_MAG(4));  // Same effect as RC_UNCOMMON.
-  _igvn.hash_delete(oldcall);
-  _igvn.subsume_node(oldcall, call);
+  _igvn.replace_node(oldcall, call);
   transform_later(call);
 
   return call;
@@ -523,8 +522,7 @@
         // Kill all new Phis
         while(value_phis.is_nonempty()) {
           Node* n = value_phis.node();
-          _igvn.hash_delete(n);
-          _igvn.subsume_node(n, C->top());
+          _igvn.replace_node(n, C->top());
           value_phis.pop();
         }
       }
@@ -1311,8 +1309,7 @@
   if (!always_slow) {
     call->set_cnt(PROB_UNLIKELY_MAG(4));  // Same effect as RC_UNCOMMON.
   }
-  _igvn.hash_delete(alloc);
-  _igvn.subsume_node(alloc, call);
+  _igvn.replace_node(alloc, call);
   transform_later(call);
 
   // Identify the output projections from the allocate node and