gcc/testsuite/gcc.dg/vect/vect-iv-10.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 __attribute__ ((noinline))
   9 int main1 ()
  10 {
  11   int i,j;
  12   int ia[N];
  13
  14   /* Induction.  */
  15   for (j=0,i=N;  j<N,i>0;  i--,j++) {
  16     ia[j] = i;
  17   }
  18
  19   /* check results:  */
  20   for (j=0,i=N;  j<N,i>0;  i--,j++) {
  21       if (ia[j] != i)
  22         abort ();
  23     }
  24
  25   return 0;
  26 }
  27
  28 int main (void)
  29 {
  30   check_vect();
  31
  32   return main1 ();
  33 }
  34
  35 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */