gcc/testsuite/gcc.dg/vect/vect-early-break_106-pr113374.c

   1 /* { dg-do compile } */
   2 /* { dg-add-options vect_early_break } */
   3
   4 typedef __SIZE_TYPE__ size_t;
   5 struct S { unsigned char *a, *b; };
   6
   7 void
   8 foo (struct S x)
   9 {
  10   for (size_t i = x.b - x.a; i > 0; --i)
  11     {
  12       size_t t = x.b - x.a;
  13       size_t u = i - 1;
  14       if (u >= t)
  15         __builtin_abort ();
  16       if (x.a[i - 1]--)
  17         break;
  18     }
  19 }