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isl_map_from_pw_aff: handle NULL input
author
Sven Verdoolaege
<skimo@kotnet.org>
Fri, 9 Dec 2011 18:51:06 +0000
(19:51 +0100)
committer
Sven Verdoolaege
<skimo@kotnet.org>
Sat, 10 Dec 2011 18:42:28 +0000
(19:42 +0100)
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
isl_aff.c
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diff --git
a/isl_aff.c
b/isl_aff.c
index
9a6ce14
..
c1f5557
100644
(file)
--- a/
isl_aff.c
+++ b/
isl_aff.c
@@
-1411,6
+1411,8
@@
static __isl_give isl_map *map_from_pw_aff(__isl_take isl_pw_aff *pwaff)
*/
__isl_give isl_map *isl_map_from_pw_aff(__isl_take isl_pw_aff *pwaff)
{
+ if (!pwaff)
+ return NULL;
if (isl_space_is_set(pwaff->dim))
isl_die(isl_pw_aff_get_ctx(pwaff), isl_error_invalid,
"space of input is not a map",