main/gcc/testsuite/gcc.dg/vect/pr18536.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)) int main1 (short a, short *b)
   9 {
  10   while (++a < 4) *b++ = 2;
  11
  12   return 0;
  13 }
  14
  15 int main (void)
  16 {
  17   int i = 0;
  18   short x[N];
  19
  20   check_vect ();
  21
  22   main1 (0, x);
  23
  24   /* check results:  */
  25   while (++i < 4)
  26     {
  27       if (x[i-1] != 2)
  28         abort ();
  29     }
  30
  31   return 0;
  32 }
  33
  34 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  35 /* { dg-final { cleanup-tree-dump "vect" } } */