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

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