gcc/testsuite/gcc.dg/vect/vect-vfa-04.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7 int result[] = {10, 11, 15, 16, 20, 21, 25, 26, 30, 31, 35, 36, 40, 41, 45, 46, 50, 51};
   8 int X[] =      {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0};
   9
  10 __attribute__ ((noinline)) void
  11 foo (int *in, int *out)
  12 {
  13   int i;
  14
  15   for (i = 0; i < N; i++)
  16     out[i] = in[i] + 5;
  17 }
  18
  19 int
  20 main (void)
  21 {
  22   int i;
  23
  24   check_vect ();
  25
  26   foo (X, &X[2]);
  27
  28   /* check results:  */
  29   for (i = 0; i < N+2; i++)
  30     {
  31       if (X[i] != result[i])
  32         abort ();
  33     }
  34   return 0;
  35 }
  36
  37 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */