1 /* { dg-do compile } */
2 /* { dg-options "-O3 -fdump-tree-local-pure-const1 -fdump-tree-optimized" } */
3 static __attribute__ ((noinline
, noclone
))
4 int i_am_pure(char *c
, int n
)
6 char *d
=__builtin_alloca (n
);
16 __builtin_unreachable ();
27 /* { dg-final { scan-tree-dump "found to be pure: i_am_pure" "local-pure-const1"} } */
28 /* { dg-final { scan-tree-dump-not "i_am_pure" "optimized"} } */
29 /* { dg-final { cleanup-tree-dump "local-pure-const1" } } */
30 /* { dg-final { cleanup-tree-dump "optimized" } } */