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re PR middle-end/37567 (tree SSA to normal checking takes abnormally long time)

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PR middle-end/37567
	* tree-ssa-ter.c (free_temp_expr_table): Make sure fields are actually
	empty before freeing them.
	(find_replaceable_exprs): Move asserts to free_temp_expr_table.


Co-Authored-By: Jan Hubicka <jh@suse.cz>

From-SVN: r140494
This commit is contained in:
Andrew MacLeod 2008-09-19 17:37:13 +00:00 committed by Andrew Macleod
parent c38b84d8f1
commit 60ffe2fe5e
2 changed files with 15 additions and 20 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2008-09-19 Andrew MacLeod <amacleod@redhat.com>
Jan Hubicka <jh@suse.cz>
PR middle-end/37567
* tree-ssa-ter.c (free_temp_expr_table): Make sure fields are actually
empty before freeing them.
(find_replaceable_exprs): Move asserts to free_temp_expr_table.
2008-09-18 Bob Wilson <bob.wilson@acm.org>
* configure.ac: Add HAVE_AS_TLS check for Xtensa.

27
gcc/tree-ssa-ter.c
View File

@ -220,22 +220,22 @@ static gimple *
free_temp_expr_table (temp_expr_table_p t)
{
gimple *ret = NULL;
unsigned i;
#ifdef ENABLE_CHECKING
unsigned x;
for (x = 0; x <= num_var_partitions (t->map); x++)
gcc_assert (!t->kill_list[x]);
for (x = 0; x < num_ssa_names + 1; x++)
{
gcc_assert (t->expr_decl_uids[x] == NULL);
gcc_assert (t->partition_dependencies[x] == NULL);
}
#endif
BITMAP_FREE (t->partition_in_use);
BITMAP_FREE (t->new_replaceable_dependencies);
for (i = 0; i <= num_ssa_names; i++)
if (t->expr_decl_uids[i])
BITMAP_FREE (t->expr_decl_uids[i]);
free (t->expr_decl_uids);
free (t->kill_list);
free (t->partition_dependencies);
free (t->num_in_part);
@ -664,27 +664,14 @@ find_replaceable_exprs (var_map map)
FOR_EACH_BB (bb)
{
find_replaceable_in_bb (table, bb);
gcc_assert (bitmap_empty_p (table->partition_in_use));
#ifdef ENABLE_CHECKING
{
unsigned i;
/* Make sure all the tables have been cleared out. */
for (i = 0; i < num_ssa_names + 1; i++)
{
gcc_assert (table->partition_dependencies[i] == NULL);
gcc_assert (table->expr_decl_uids[i] == NULL);
if (i < num_var_partitions (map))
gcc_assert (table->kill_list[i] == NULL);
}
}
gcc_assert (bitmap_empty_p (table->partition_in_use));
#endif
}
ret = free_temp_expr_table (table);
return ret;
}
}
/* Dump TER expression table EXPR to file F. */