gcc/testsuite/c-c++-common/spec-barrier-2.c

   1 /* { dg-do run } */
   2
   3 /* Even on targets that don't need the optional failval parameter,
   4    side-effects on the operand should still be calculated.  */
   5
   6 int x = 3;
   7 volatile int y = 9;
   8
   9 int main ()
  10 {
  11   int z = __builtin_speculation_safe_value (x, y++);
  12   if (z != 3 || y != 10)
  13     __builtin_abort ();
  14   return 0;
  15 }
  16
  17 /* { dg-prune-output "this target does not define a speculation barrier;" } */