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diff src/share/vm/opto/loopopts.cpp @ 7196:2aff40cb4703

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7092905: C2: Keep track of the number of dead nodes Summary: keep an (almost) accurate running count of the reachable (live) flow graph nodes. Reviewed-by: kvn, twisti, jrose, vlivanov
author bharadwaj
date Tue, 27 Nov 2012 17:24:15 -0800
parents d804e148cff8
children 3b9368710f08
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line diff
--- a/src/share/vm/opto/loopopts.cpp	Tue Nov 27 12:48:52 2012 -0800
+++ b/src/share/vm/opto/loopopts.cpp	Tue Nov 27 17:24:15 2012 -0800
@@ -729,7 +729,7 @@
   for (DUIterator_Fast imax, i = region->fast_outs(imax); i < imax; i++) {
     weight += region->fast_out(i)->outcnt();
   }
-  int nodes_left = MaxNodeLimit - C->unique();
+  int nodes_left = MaxNodeLimit - C->live_nodes();
   if (weight * 8 > nodes_left) {
 #ifndef PRODUCT
     if (PrintOpto)