| /* { dg-options "-O2 -fdump-tree-vrp1 " } */ |
| |
| /* Tests that calls to update_stmt by the folder will also update ranger's |
| cache value and produce the correct result for the builtin_constant_p |
| function. */ |
| |
| void dead (); |
| |
| void foo( void *_thrdescr, int _result) |
| { |
| const char *lossage = _result ? "constant string" : 0; |
| |
| if (__builtin_expect (lossage != ((void *)0) , 0)) |
| { |
| unsigned __message_length = __builtin_strlen (lossage); |
| if (! __builtin_constant_p (__message_length)) |
| dead (); |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-not "dead" "vrp1" } } */ |
