isl_ast_codegen.c: at_most_one_non_fixed: use isl_val

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

diff --git a/isl_ast_codegen.c b/isl_ast_codegen.c
index 5ea377f..53c8fa9 100644 (file)
--- a/isl_ast_codegen.c
+++ b/isl_ast_codegen.c
@@ -2801,6 +2801,22 @@ static __isl_give isl_ast_graft_list *generate_shifted_component_from_list(
        return generate_shifted_component(executed, build);
 }
 
+/* Does set dimension "pos" of "set" have an obviously fixed value?
+ */
+static int dim_is_fixed(__isl_keep isl_set *set, int pos)
+{
+       int fixed;
+       isl_val *v;
+
+       v = isl_set_plain_get_val_if_fixed(set, isl_dim_set, pos);
+       if (!v)
+               return -1;
+       fixed = !isl_val_is_nan(v);
+       isl_val_free(v);
+
+       return fixed;
+}
+
 /* Given an array "domain" of isl_set_map_pairs and an array "order"
  * of indices into the "domain" array,
  * do all (except for at most one) of the "set" field of the elements
@@ -2816,8 +2832,7 @@ static int at_most_one_non_fixed(struct isl_set_map_pair *domain,
        for (i = 0; i < n; ++i) {
                int f;
 
-               f = isl_set_plain_is_fixed(domain[order[i]].set,
-                                               isl_dim_set, depth, NULL);
+               f = dim_is_fixed(domain[order[i]].set, depth);
                if (f < 0)
                        return -1;
                if (f)