1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/bb-slp-2.c b/gcc/testsuite/gcc.dg/vect/bb-slp-2.c
new file mode 100644
index 000000000..20a61a08d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/bb-slp-2.c
@@ -0,0 +1,58 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16 
+
+unsigned int out[N*8];
+unsigned int in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+
+__attribute__ ((noinline)) int
+main1 (int dummy)
+{
+  int i;
+  unsigned int *pin = &in[0];
+  unsigned int *pout = &out[0];
+  
+  for (i = 0; i < N*2; i++)
+    {
+      *pout++ = *pin++;
+      *pout++ = *pin++;
+      *pout++ = *pin++;
+      *pout++ = *pin++;
+
+      /* Avoid loop vectorization.  */
+      if (dummy)
+        __asm__ volatile ("" : : : "memory");
+    }
+
+  /* check results:  */ 
+  for (i = 0; i < N; i++)
+    {
+      if (out[i*8] !=  in[i*8]
+         || out[i*8 + 1] != in[i*8 + 1]
+         || out[i*8 + 2] != in[i*8 + 2]
+         || out[i*8 + 3] != in[i*8 + 3]
+         || out[i*8 + 4] != in[i*8 + 4]
+         || out[i*8 + 5] != in[i*8 + 5]
+         || out[i*8 + 6] != in[i*8 + 6]
+         || out[i*8 + 7] != in[i*8 + 7])
+	abort ();
+    }
+
+  return 0;
+}
+
+int main (void)
+{
+  check_vect ();
+
+  main1 (33);
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "basic block vectorized using SLP" 1 "slp" } } */
+/* { dg-final { cleanup-tree-dump "slp" } } */
+