isl_tab_detect_redundant: return status instead of isl_tab *

[platform/upstream/isl.git] / isl_convex_hull.c

diff --git a/isl_convex_hull.c b/isl_convex_hull.c
index bbe06bd..c6f2806 100644 (file)
--- a/isl_convex_hull.c
+++ b/isl_convex_hull.c
@@ -94,13 +94,18 @@ struct isl_basic_map *isl_basic_map_convex_hull(struct isl_basic_map *bmap)
                return bmap;
 
        tab = isl_tab_from_basic_map(bmap);
-       tab = isl_tab_detect_equalities(tab);
-       tab = isl_tab_detect_redundant(tab);
+       tab = isl_tab_detect_implicit_equalities(tab);
+       if (isl_tab_detect_redundant(tab) < 0)
+               goto error;
        bmap = isl_basic_map_update_from_tab(bmap, tab);
        isl_tab_free(tab);
        ISL_F_SET(bmap, ISL_BASIC_MAP_NO_IMPLICIT);
        ISL_F_SET(bmap, ISL_BASIC_MAP_NO_REDUNDANT);
        return bmap;
+error:
+       isl_tab_free(tab);
+       isl_basic_map_free(bmap);
+       return NULL;
 }
 
 struct isl_basic_set *isl_basic_set_convex_hull(struct isl_basic_set *bset)
@@ -937,7 +942,7 @@ static int isl_basic_set_is_bounded(struct isl_basic_set *bset)
        struct isl_tab *tab;
        int bounded;
 
-       tab = isl_tab_from_recession_cone((struct isl_basic_map *)bset);
+       tab = isl_tab_from_recession_cone(bset);
        bounded = isl_tab_cone_is_bounded(tab);
        isl_tab_free(tab);
        return bounded;