old-autovect-branch/gcc/testsuite/gcc.dg/vect/vect-117.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 #include <stdlib.h>
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 #define N 4
   9
  10 int main1 ()
  11 {
  12   int i;
  13   size_t ** p;
  14   size_t * ia[N];
  15
  16   /* Unknown evolution.  */
  17   for (i = 0; i < N; i++)
  18     {
  19        ia[i] = (size_t *) *p[i];
  20     }
  21
  22   /* check results: */
  23   for (i = 0; i < N; i++)
  24     {
  25       if (ia[i] != (size_t *) *p[i])
  26          abort();
  27     }
  28   return 0;
  29 }
  30
  31 int main2 (int n)
  32 {
  33   int i;
  34   int **ia;
  35
  36   /* Unknown evolution. Combination of two access functions.  */
  37   for (i = 0; i < n; i++)
  38     {
  39        ia[i][i] = 0;
  40     }
  41
  42   /* check results: */
  43   for (i = 0; i < n; i++)
  44     {
  45       if (ia[i][i] != 0)
  46          abort();
  47     }
  48   return 0;
  49 }
  50
  51 /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 2 "vect" } } */
  52 /* { dg-final { cleanup-tree-dump "vect" } } */
  53