--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/vect/slp-17.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,55 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 8 
+
+unsigned short out[N*8];
+unsigned short in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+unsigned short in2[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+unsigned short out2[N*8];
+
+int
+main1 ()
+{
+  int i;
+
+  for (i = 0; i < N*2; i++)
+    {
+      out[i*2] = in[i*2] + 5;
+      out[i*2 + 1] = in[i*2 + 1] + 6;
+
+      out2[i*4] = in2[i*4] + 2;
+      out2[i*4 + 1] = in2[i*4 + 1] + 2;
+      out2[i*4 + 2] = in2[i*4 + 2] + 1;
+      out2[i*4 + 3] = in2[i*4 + 3] + 3;
+    }
+
+  /* check results:  */
+  for (i = 0; i < N*2; i++)
+    {
+      if (out[i*2] != in[i*2] + 5
+         || out[i*2 + 1] != in[i*2 + 1] + 6
+         || out2[i*4] !=  in2[i*4] + 2
+         || out2[i*4 + 1] != in2[i*4 + 1] + 2
+         || out2[i*4 + 2] != in2[i*4 + 2] + 1
+         || out2[i*4 + 3] != in2[i*4 + 3] + 3)
+        abort ();
+    }
+
+  return 0;
+}
+
+int main (void)
+{
+  check_vect ();
+
+  main1 ();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect"  } } */
+