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Fix memory leaks.

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2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (save_clast_name_index): Free slot
	before allocating a new one.
	(copy_renames): Check that slot is not NULL.
	(mark_bb_with_pbb): Same.
	(compute_cloog_iv_types_1): Same.
	* graphite-interchange.c (lst_perfect_nestify): Free the before,
	nest, and after LSTs.
	(lst_try_interchange_loops): Same.

From-SVN: r155702
This commit is contained in:
Sebastian Pop 2010-01-07 18:32:51 +00:00 committed by Sebastian Pop
parent e68c3c6cc5
commit 556afcdc11
3 changed files with 35 additions and 7 deletions
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11
gcc/ChangeLog.graphite
View File

@ -1,3 +1,14 @@
2010-01-06 Sebastian Pop <sebastian.pop@amd.com>
* graphite-clast-to-gimple.c (save_clast_name_index): Free slot
before allocating a new one.
(copy_renames): Check that slot is not NULL.
(mark_bb_with_pbb): Same.
(compute_cloog_iv_types_1): Same.
* graphite-interchange.c (lst_perfect_nestify): Free the before,
nest, and after LSTs.
(lst_try_interchange_loops): Same.
2010-01-05 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/42178

13
gcc/graphite-clast-to-gimple.c
View File

@ -117,7 +117,12 @@ save_clast_name_index (htab_t index_table, const char *name, int index)
slot = htab_find_slot (index_table, &tmp, INSERT);
if (slot)
*slot = new_clast_name_index (name, index);
{
if (*slot)
free (*slot);
*slot = new_clast_name_index (name, index);
}
}
/* Print to stderr the element ELT. */
@ -629,7 +634,7 @@ copy_renames (void **slot, void *s)
tmp.old_name = old_name;
x = htab_find_slot (res, &tmp, INSERT);
if (!*x)
if (x && !*x)
*x = new_rename_map_elt (old_name, expr);
return 1;
@ -660,7 +665,7 @@ mark_bb_with_pbb (poly_bb_p pbb, basic_block bb, htab_t bb_pbb_mapping)
tmp.bb = bb;
x = htab_find_slot (bb_pbb_mapping, &tmp, INSERT);
if (!*x)
if (x && !*x)
*x = new_bb_pbb_def (bb, pbb);
}
@ -1026,7 +1031,7 @@ compute_cloog_iv_types_1 (poly_bb_p pbb, struct clast_user_stmt *user_stmt)
slot = htab_find_slot (GBB_CLOOG_IV_TYPES (gbb), &tmp, INSERT);
if (!*slot)
if (slot && !*slot)
{
tree oldiv = pbb_to_depth_to_oldiv (pbb, index);
tree type = oldiv ? TREE_TYPE (oldiv) : integer_type_node;

18
gcc/graphite-interchange.c
View File

@ -587,11 +587,20 @@ lst_perfect_nestify (lst_p loop1, lst_p loop2, lst_p *before,
lst_remove_all_before_excluding_pbb (*nest, last, false);
if (lst_empty_p (*before))
*before = NULL;
{
free_lst (*before);
*before = NULL;
}
if (lst_empty_p (*after))
*after = NULL;
{
free_lst (*after);
*after = NULL;
}
if (lst_empty_p (*nest))
*nest = NULL;
{
free_lst (*nest);
*nest = NULL;
}
}
/* Try to interchange LOOP1 with LOOP2 for all the statements of the
@ -646,6 +655,9 @@ lst_try_interchange_loops (scop_p scop, lst_p loop1, lst_p loop2)
}
/* Undo the transform. */
free_lst (before);
free_lst (nest);
free_lst (after);
lst_apply_interchange (loop2, depth2, depth1);
return false;
}