--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/vect/vect-iv-3.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,43 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+ 
+__attribute__ ((noinline)) int main1 ()
+{  
+  int arr1[N];
+  int arr2[N];
+  int k = 0;
+  int m = 3, i = 0;
+  
+  /* vectorization of induction. 
+     Peeling to align the store is also applied.  */
+
+   do { 
+        k = k + 2;
+        arr1[i] = k;
+	m = k + 3;
+	arr2[i] = m;
+	i++;
+   } while (i < N);
+
+  /* check results:  */
+  for (i = 0; i < N; i++)
+    { 
+      if (arr1[i] != 2+2*i || arr2[i] != 5 + 2*i)
+        abort ();
+    }
+
+  return 0;
+}
+
+int main (void)
+{ 
+  check_vect ();
+  
+  return main1 ();
+} 
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */