gcc/testsuite/gcc.dg/vect/vect-71.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 16
   8
   9 /* indirect access.  */
  10
  11 __attribute__ ((noinline))
  12 int main1 ()
  13 {
  14   int i;
  15   unsigned ia[N];
  16   unsigned ib[N+1] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0, 1, 2};
  17
  18   for (i = 2; i < N+1; i++)
  19     {
  20       ia[ib[i]] = 0;
  21     }
  22
  23   /* check results:  */
  24 #pragma GCC novector
  25   for (i = 2; i < N+1; i++)
  26     {
  27       if (ia[ib[i]] != 0)
  28         abort();
  29     }
  30
  31   return 0;
  32 }
  33
  34 int main (void)
  35 {
  36   check_vect ();
  37
  38   return main1 ();
  39 }
  40
  41 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  42 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */