isl_map_union: special case universal input
commit796b9432549c01b63e9d159edab58ede8440229e
authorSven Verdoolaege <skimo@kotnet.org>
Fri, 14 Sep 2012 08:15:55 +0000 (14 10:15 +0200)
committerSven Verdoolaege <skimo@kotnet.org>
Fri, 14 Sep 2012 09:31:16 +0000 (14 11:31 +0200)
tree8d6a474dc0631ce1346c6554e98e467748d56237
parentb5aefeb5f946e8cec0db761dd0eb00c8ffe0acbc
isl_map_union: special case universal input

In particular, there is no need to construct a new isl_map
as we can simply return the universal input map.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
isl_map.c