isl_basic_map_gauss: also set progress if a div expression has been detected

The div expression may be equal to that of another div and one of them
should then be eliminated in the next iteration of isl_basic_map_simplify.

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

diff --git a/isl_map_simplify.c b/isl_map_simplify.c
index 9897d80..9cebefb 100644 (file)
--- a/isl_map_simplify.c
+++ b/isl_map_simplify.c
@@ -645,6 +645,8 @@ struct isl_basic_map *isl_basic_map_gauss(
                        isl_int_set_si(bmap->div[div][1+1+last_var], 0);
                        isl_int_set(bmap->div[div][0],
                                    bmap->eq[done][1+last_var]);
+                       if (progress)
+                               *progress = 1;
                        ISL_F_CLR(bmap, ISL_BASIC_MAP_NORMALIZED);
                }
        }