| --TEST-- | |
| DCE 003: Assignment elimination (without FREE) | |
| --INI-- | |
| opcache.enable=1 | |
| opcache.enable_cli=1 | |
| opcache.optimization_level=-1 | |
| opcache.opt_debug_level=0x20000 | |
| opcache.preload= | |
| zend_test.observer.enabled=0 | |
| --EXTENSIONS-- | |
| opcache | |
| --FILE-- | |
| <?php | |
| function foo(int $a) { | |
| $b = $a += 3; | |
| return $a; | |
| } | |
| ?> | |
| --EXPECTF-- | |
| $_main: | |
| ; (lines=1, args=0, vars=0, tmps=0) | |
| ; (after optimizer) | |
| ; %sdce_003.php:1-7 | |
| 0000 RETURN int(1) | |
| foo: | |
| ; (lines=3, args=1, vars=1, tmps=0) | |
| ; (after optimizer) | |
| ; %sdce_003.php:2-5 | |
| 0000 CV0($a) = RECV 1 | |
| 0001 CV0($a) = ADD CV0($a) int(3) | |
| 0002 RETURN CV0($a) | |