1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c b/gcc/testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c
new file mode 100644
index 00000000000..e5392b1b8ff
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c
@@ -0,0 +1,39 @@
+/* Triangle loops.  */
+void abort (void);
+
+#define N 500
+
+void foo(void)
+{
+  int i,j;
+  int A[3*N], B[3*N];
+
+  for (i = 0; i < 3*N; i++)
+    B[i] = A[i] = i;
+
+  for (i = 1; i < N; i++)
+    for (j = 1; j < i; j++)
+      /* This loop carried no dependency, it fails
+	 at code generation part.*/
+      A[j+N] = A[j] + j;
+
+  for (i = 1; i < N; i++)
+    for (j = 1; j < i; j++)
+      if (A[j+N] != B[j] + j)
+	abort();
+}
+
+int main(void)
+{
+  foo();
+
+  return 0;
+}
+
+/* Check that parallel code generation part make the right answer.  */
+/* { dg-final { scan-tree-dump-times "2 loops carried no dependency" 1 "graphite" } } */
+/* { dg-final { cleanup-tree-dump "graphite" } } */
+/* { dg-final { scan-tree-dump-times "loopfn.0" 5 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "loopfn.1" 5 "optimized" { xfail *-*-* } } } */
+/* { dg-final { cleanup-tree-dump "parloops" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */