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-rw-r--r--gcc/testsuite/gcc.dg/vect/bb-slp-2.c59
1 files changed, 59 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 00000000000..1de31986829
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/bb-slp-2.c
@@ -0,0 +1,59 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include <stdio.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 == 32)
+ abort ();
+ }
+
+ /* 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" } } */
+