gcc/testsuite/gcc.dg/tree-prof/pr44777.c

   1 /* PR middle-end/44777 */
   2 /* { dg-options "-O0" } */
   3 /* A variant of gcc.c-torture/execute/comp-goto-2.c.  */
   4
   5 extern void abort (void);
   6 extern void exit (int);
   7
   8 #ifdef STACK_SIZE
   9 #define DEPTH ((STACK_SIZE) / 512 + 1)
  10 #else
  11 #define DEPTH 1000
  12 #endif
  13
  14 #if ! defined (NO_LABEL_VALUES) && !defined (NO_TRAMPOLINES)
  15 int
  16 x (int a)
  17 {
  18   __label__ xlab;
  19   void y (int a)
  20     {
  21       void *x = &&llab;
  22       if (a==-1)
  23         goto *x;
  24       if (a==0)
  25         goto xlab;
  26     llab:
  27       y (a-1);
  28     }
  29   y (a);
  30  xlab:;
  31   return a;
  32 }
  33 #endif
  34
  35 int
  36 main ()
  37 {
  38 #if ! defined (NO_LABEL_VALUES) && !defined (NO_TRAMPOLINES)
  39   if (x (DEPTH) != DEPTH)
  40     abort ();
  41 #endif
  42   exit (0);
  43 }