X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_space.c;h=6a6b5f506b08323e05b6669950c05dcfce584216;hb=5101b7ae9da080449ec4680703f376da6a5d8d22;hp=88b9626858e98a40bc042cd8fcc258e405cb3bc4;hpb=556d287f982d8cc1a6f1fd6a318e926c95dbebf4;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_space.c b/isl_space.c
index 88b9626..6a6b5f5 100644
--- a/isl_space.c
+++ b/isl_space.c
@@ -434,17 +434,37 @@ error:
 	return NULL;
 }
 
-__isl_give isl_space *isl_space_set_dim_id(__isl_take isl_space *dim,
+/* 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)
 {
-	dim = isl_space_cow(dim);
-	if (!dim || !id)
+	space = isl_space_cow(space);
+	if (!space || !id)
 		goto error;
-	isl_id_free(get_id(dim, type, pos));
-	return set_id(dim, type, pos, id);
+
+	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:
 	isl_id_free(id);
-	isl_space_free(dim);
+	isl_space_free(space);
 	return NULL;
 }
 
@@ -517,6 +537,19 @@ error:
 	return NULL;
 }
 
+/* Does the given dimension have a name?
+ */
+int isl_space_has_dim_name(__isl_keep isl_space *space,
+	enum isl_dim_type type, unsigned pos)
+{
+	isl_id *id;
+
+	if (!space)
+		return -1;
+	id = get_id(space, type, pos);
+	return id && id->name;
+}
+
 __isl_keep const char *isl_space_get_dim_name(__isl_keep isl_space *dim,
 				 enum isl_dim_type type, unsigned pos)
 {