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authorSebastian Pop <sebastian.pop@amd.com>2010-01-07 18:32:51 +0000
committerSebastian Pop <spop@gcc.gnu.org>2010-01-07 18:32:51 +0000
commit556afcdc1107b79c8f037cc1f9dc4f5a220ff8e4 (patch)
tree6e8b7af7a18c1c655884e15f7890e21a3bb5fd4c
parente68c3c6cc5c3c64ed5aeeec90ac7db195ce7a2e2 (diff)
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Fix memory leaks.
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
-rw-r--r--gcc/ChangeLog.graphite11
-rw-r--r--gcc/graphite-clast-to-gimple.c13
-rw-r--r--gcc/graphite-interchange.c18
3 files changed, 35 insertions, 7 deletions
diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index 882dc39..780f23e 100644
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -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
diff --git a/gcc/graphite-clast-to-gimple.c b/gcc/graphite-clast-to-gimple.c
index 93138b6..4109461 100644
--- a/gcc/graphite-clast-to-gimple.c
+++ b/gcc/graphite-clast-to-gimple.c
@@ -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;
diff --git a/gcc/graphite-interchange.c b/gcc/graphite-interchange.c
index a0f84a7..7ec7fea 100644
--- a/gcc/graphite-interchange.c
+++ b/gcc/graphite-interchange.c
@@ -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;
}