gcc/testsuite/gcc.dg/plugin/must-tail-call-1.c

   1 /* { dg-do compile { target tail_call } } */
   2 /* { dg-options "-fdelayed-branch" { target sparc*-*-* } } */
   3
   4 extern void abort (void);
   5
   6 int __attribute__((noinline,noclone))
   7 callee (int i)
   8 {
   9   return i * i;
  10 }
  11
  12 int __attribute__((noinline,noclone))
  13 caller (int i)
  14 {
  15   return callee (i + 1);
  16 }
  17
  18 int
  19 main (int argc, const char **argv)
  20 {
  21   int result = caller (5);
  22   if (result != 36)
  23     abort ();
  24   return 0;
  25 }