Update to isl-0.16.1-68-g8fad211

This commit updates to the latest isl development version. There is no specific
feature we need on the Polly side, but we want to ensure test coverage for the
latest isl changes.

llvm-svn: 262001

1 files changed, 3 insertions, 3 deletions

diff --git a/polly/lib/External/isl/isl_convex_hull.c b/polly/lib/External/isl/isl_convex_hull.c
index fbd40dc2040..e169a630877 100644
--- a/polly/lib/External/isl/isl_convex_hull.c
+++ b/polly/lib/External/isl/isl_convex_hull.c
@@ -1395,7 +1395,7 @@ static struct isl_basic_set *convex_hull_pair(struct isl_basic_set *bset1,
 				      isl_basic_set_copy(bset2));
 	if (!lin)
 		goto error;
-	if (isl_basic_set_is_universe(lin)) {
+	if (isl_basic_set_plain_is_universe(lin)) {
 		isl_basic_set_free(bset1);
 		isl_basic_set_free(bset2);
 		return lin;
@@ -1517,7 +1517,7 @@ static struct isl_basic_set *uset_convex_hull_unbounded(struct isl_set *set)
 		t = isl_basic_set_lineality_space(isl_basic_set_copy(convex_hull));
 		if (!t)
 			goto error;
-		if (isl_basic_set_is_universe(t)) {
+		if (isl_basic_set_plain_is_universe(t)) {
 			isl_basic_set_free(convex_hull);
 			convex_hull = t;
 			break;
@@ -1833,7 +1833,7 @@ static struct isl_basic_set *uset_convex_hull(struct isl_set *set)
 	lin = uset_combined_lineality_space(isl_set_copy(set));
 	if (!lin)
 		goto error;
-	if (isl_basic_set_is_universe(lin)) {
+	if (isl_basic_set_plain_is_universe(lin)) {
 		isl_set_free(set);
 		return lin;
 	}