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 #pragma GCC novector
  30     for (i = 0; i < N; i++)
  31       {
  32         if (out[i*4] != 8
  33             || out[i*4 + 1] != 18
  34             || out[i*4 + 2] != 28
  35             || out[i*4 + 3] != 38)
  36           abort();
  37       }
  38
  39     if (a[j] != 8)
  40        abort ();
  41    }
  42
  43   return 0;
  44 }
  45
  46 int main (void)
  47 {
  48   check_vect ();
  49
  50   main1 ();
  51
  52   return 0;
  53 }
  54
  55 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
  56 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */
  57