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author | Zdenek Dvorak <dvorakz@suse.cz> | 2007-04-09 08:51:43 +0200 |
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committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-04-09 06:51:43 +0000 |
commit | c7b852c8a60d46ba79c50b9d2a4f3cba4847c896 (patch) | |
tree | f5af72013d20563b8340bcf3462e935b8ad07bef /gcc/tree-scalar-evolution.c | |
parent | 782c9150c34a05791f425af5af81c8198cf49176 (diff) | |
download | gcc-c7b852c8a60d46ba79c50b9d2a4f3cba4847c896.zip gcc-c7b852c8a60d46ba79c50b9d2a4f3cba4847c896.tar.gz gcc-c7b852c8a60d46ba79c50b9d2a4f3cba4847c896.tar.bz2 |
cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
* cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
(create_preheaders): Check that loops are available.
(fix_loop_structure): Clean up, improve comments.
* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
Check that loops are available. Set LOOP_CLOSED_SSA to the loops
state flags.
* tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
* predict.c (tree_estimate_probability): Do not call
calculate_dominance_info. Call create_preheaders.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
flags.
* cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
* cfgloop.h (LOOP_CLOSED_SSA): New constant.
* tree-cfg.c (tree_split_edge): Make an assert more precise.
* tree-ssa-threadedge.c (thread_across_edge): Comment the function
arguments.
From-SVN: r123670
Diffstat (limited to 'gcc/tree-scalar-evolution.c')
-rw-r--r-- | gcc/tree-scalar-evolution.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c index 846d274..955240b 100644 --- a/gcc/tree-scalar-evolution.c +++ b/gcc/tree-scalar-evolution.c @@ -2862,6 +2862,7 @@ scev_finalize (void) { htab_delete (scalar_evolution_info); BITMAP_FREE (already_instantiated); + scalar_evolution_info = NULL; } /* Replace ssa names for that scev can prove they are constant by the |