vect-iv-11.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 int main1 (int len)
   7 {
   8   int s = 0;
   9   int i = len;
  10
  11   /* vectorization of induction with reduction.  */
  12   for ( ; i > 1; i -=2)
  13     s += i;
  14
  15   return s;
  16 }
  17
  18 int main (void)
  19 {
  20   int s;
  21   check_vect ();
  22
  23   s = main1 (26);
  24   if (s != 182)
  25     abort ();
  26
  27   return 0;
  28 }
  29
  30 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  31 /* { dg-final { cleanup-tree-dump "vect" } } */