isl_union_map_alloc: project space argument onto its parameters

We are only interested in the parameters anyway, so we might as well
project out all the other dimensions.

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

diff --git a/isl_union_map.c b/isl_union_map.c
index 1528ebd..ed6639f 100644 (file)
--- a/isl_union_map.c
+++ b/isl_union_map.c
@@ -41,6 +41,7 @@ static __isl_give isl_union_map *isl_union_map_alloc(__isl_take isl_space *dim,
 {
        isl_union_map *umap;
 
+       dim = isl_space_params(dim);
        if (!dim)
                return NULL;