gcc/testsuite/gcc.c-torture/execute/pr70460.c

   1 /* { dg-require-effective-target indirect_jumps } */
   2 /* { dg-require-effective-target label_values } */
   3
   4 /* PR rtl-optimization/70460 */
   5
   6 int c;
   7
   8 __attribute__((noinline, noclone)) void
   9 foo (int x)
  10 {
  11   static int b[] = { &&lab1 - &&lab0, &&lab2 - &&lab0 };
  12   void *a = &&lab0 + b[x];
  13   goto *a;
  14 lab1:
  15   c += 2;
  16 lab2:
  17   c++;
  18 lab0:
  19   ;
  20 }
  21
  22 int
  23 main ()
  24 {
  25   foo (0);
  26   if (c != 3)
  27     __builtin_abort ();
  28   foo (1);
  29   if (c != 4)
  30     __builtin_abort ();
  31   return 0;
  32 }