return NULL;
}
+/* Set the id of the given dimension of "space" to "id".
+ * If the dimension already has an id, then it is replaced.
+ * If the dimension is a parameter, then we need to change it
+ * in the nested spaces (if any) as well.
+ */
__isl_give isl_space *isl_space_set_dim_id(__isl_take isl_space *space,
enum isl_dim_type type, unsigned pos, __isl_take isl_id *id)
{
space = isl_space_cow(space);
if (!space || !id)
goto error;
+
+ if (type == isl_dim_param) {
+ int i;
+
+ for (i = 0; i < 2; ++i) {
+ if (!space->nested[i])
+ continue;
+ space->nested[i] =
+ isl_space_set_dim_id(space->nested[i],
+ type, pos, isl_id_copy(id));
+ if (!space->nested[i])
+ goto error;
+ }
+ }
+
isl_id_free(get_id(space, type, pos));
return set_id(space, type, pos, id);
error: