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tree-ssa-dom.c (tree_ssa_dominator_optimize): Do not free dominance info after purging EH edges. 

* tree-ssa-dom.c (tree_ssa_dominator_optimize): Do not free dominance
	info after purging EH edges.
	(eliminate_degenerate_phis): Likewise.

From-SVN: r124499
This commit is contained in:
Eric Botcazou 2007-05-07 12:48:46 +00:00 committed by Eric Botcazou
parent 8d9d65619c
commit 4be1caf900
2 changed files with 3 additions and 5 deletions
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2
gcc/ChangeLog
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@ -1,7 +1,7 @@
2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
Free dominance info before purging EH edges as well as after.
Free dominance info before purging EH edges.
(eliminate_degenerate_phis): Likewise.
(propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.

6
gcc/tree-ssa-dom.c
View File

@ -328,8 +328,7 @@ tree_ssa_dominator_optimize (void)
such edges from the CFG as needed. */
if (!bitmap_empty_p (need_eh_cleanup))
{
if (tree_purge_all_dead_eh_edges (need_eh_cleanup))
free_dominance_info (CDI_DOMINATORS);
tree_purge_all_dead_eh_edges (need_eh_cleanup);
bitmap_zero (need_eh_cleanup);
}
@ -2533,8 +2532,7 @@ eliminate_degenerate_phis (void)
such edges from the CFG as needed. */
if (!bitmap_empty_p (need_eh_cleanup))
{
if (tree_purge_all_dead_eh_edges (need_eh_cleanup))
free_dominance_info (CDI_DOMINATORS);
tree_purge_all_dead_eh_edges (need_eh_cleanup);
BITMAP_FREE (need_eh_cleanup);
}