gcc/testsuite/gcc.dg/vect/no-scevccp-slp-30.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 128
   7
   8 int
   9 main1 ()
  10 {
  11   int i, j;
  12   unsigned short out[N*8], a[N];
  13
  14  for (j = 0; j < N; j++)
  15    {
  16     for (i = 0; i < N; i++)
  17       {
  18         out[i*4] = 8;
  19         out[i*4 + 1] = 18;
  20         out[i*4 + 2] = 28;
  21         out[i*4 + 3] = 38;
  22       }
  23     a[j] = 8;
  24    }
  25
  26   /* check results:  */
  27    for (j = 0; j < N; j++)
  28    {
  29     for (i = 0; i < N; i++)
  30       {
  31         if (out[i*4] != 8
  32             || out[i*4 + 1] != 18
  33             || out[i*4 + 2] != 28
  34             || out[i*4 + 3] != 38)
  35           abort();
  36       }
  37
  38     if (a[j] != 8)
  39        abort ();
  40    }
  41
  42   return 0;
  43 }
  44
  45 int main (void)
  46 {
  47   check_vect ();
  48
  49   main1 ();
  50
  51   return 0;
  52 }
  53
  54 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
  55 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */
  56