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diff src/share/vm/opto/loopUnswitch.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 b9a9ed0f8eeb
children 9e69e8d1c900
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line diff
--- a/src/share/vm/opto/loopUnswitch.cpp	Tue Nov 27 12:48:52 2012 -0800
+++ b/src/share/vm/opto/loopUnswitch.cpp	Tue Nov 27 17:24:15 2012 -0800
@@ -59,7 +59,7 @@
   if (!_head->is_Loop()) {
     return false;
   }
-  uint nodes_left = MaxNodeLimit - phase->C->unique();
+  uint nodes_left = MaxNodeLimit - phase->C->live_nodes();
   if (2 * _body.size() > nodes_left) {
     return false; // Too speculative if running low on nodes.
   }