gcc/testsuite/c-c++-common/torture/harden-cfr-bret.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fharden-control-flow-redundancy -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
   3 /* { dg-require-effective-target untyped_assembly } */
   4
   5 extern int foobar (void);
   6
   7 #if __cplusplus
   8 typedef void (*fnt)(...);
   9 #else
  10 typedef void (*fnt)();
  11 #endif
  12
  13 int i;
  14
  15 int f(void) {
  16   if (i)
  17     __builtin_return (__builtin_apply ((fnt)foobar,
  18                                        __builtin_apply_args (), 0));
  19   return i;
  20 }
  21
  22 int g(void) {
  23   __builtin_return (__builtin_apply ((fnt)foobar,
  24                                      __builtin_apply_args (), 0));
  25 }
  26
  27 /* Out-of-line checking, before both builtin_return and return in f.  */
  28 /* { dg-final { scan-tree-dump-times "__hardcfr_check" 2 "hardcfr" } } */
  29 /* Inline checking before builtin_return in g.  */
  30 /* { dg-final { scan-tree-dump-times "__builtin_trap" 1 "hardcfr" } } */