1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/pr29581-4.c b/gcc/testsuite/gcc.dg/graphite/pr29581-4.c
new file mode 100644
index 00000000000..c2d894c8d20
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr29581-4.c
@@ -0,0 +1,48 @@
+/* PR tree-optimization/29581 */
+/* Origin: gcc.dg/vect/vect-88.c */
+/* { dg-do run } */
+/* { dg-options "-O2 -ftree-loop-linear" } */
+
+extern void abort (void);
+
+#define N 16
+
+int main1 (int n, int *a)
+{
+  int i, j, k;
+  int b[N];
+
+  for (i = 0; i < n; i++)
+    {
+      for (j = 0; j < n; j++)
+	{
+	  k = i + n;
+	  a[j] = k;
+	}
+      b[i] = k;
+    }
+
+
+  for (j = 0; j < n; j++)
+    if (a[j] != i + n - 1)
+      abort();	
+
+  for (j = 0; j < n; j++)
+    if (b[j] != j + n)
+      abort();	
+
+  return 0;
+}
+
+int main (void)
+{
+  int a[N+1] __attribute__ ((__aligned__(16)));
+
+  main1 (N, a+1);
+  main1 (0, a+1);
+  main1 (1, a+1);
+  main1 (2, a+1);
+  main1 (N-1, a+1);
+
+  return 0;
+}