re PR tree-optimization/17560 (Infinite recursion in tree-scalar-evolution with -Os)

PR tree-optimization/17560 * predict.c (tree_estimate_probability): Mark irreducible loops. From-SVN: r89145

re PR tree-optimization/17560 (Infinite recursion in tree-scalar-evolution with -Os)
PR tree-optimization/17560 * predict.c (tree_estimate_probability): Mark irreducible loops. From-SVN: r89145
f59b0bd4 · Zdenek Dvorak · Zdenek Dvorak · 71068e31 · f59b0bd4 · f59b0bd4
Commit f59b0bd4 authored Oct 16, 2004 by Zdenek Dvorak Committed by Zdenek Dvorak Oct 16, 2004
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gcc/predict.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

+	PR tree-optimization/17560
+	* predict.c (tree_estimate_probability): Mark irreducible
+	loops.
+
+2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
+
 	PR rtl-optimization/17723
 	* cfgcleanup.c (merge_memattrs): Handle case when
 	MEM_SIZE == NULL_RTX.

--- a/gcc/predict.c
+++ b/gcc/predict.c
@@ -1300,6 +1300,7 @@ tree_estimate_probability (void)

  tree_bb_level_predictions ();

+  mark_irreducible_loops (&loops_info);
  predict_loops (&loops_info, false);

  FOR_EACH_BB (bb)