php-8.0.30-src/ext/opcache/tests/opt/dce_002.phpt

38 lines
764 B
PHP

--TEST--
DCE 002: func_get_args() disables deletion of assignments to parameter variables
--INI--
opcache.enable=1
opcache.enable_cli=1
opcache.optimization_level=-1
opcache.opt_debug_level=0x20000
opcache.preload=
--SKIPIF--
<?php require_once('skipif.inc'); ?>
--FILE--
<?php
function foo(int $a) {
$a = 10;
$b = 20;
$x = func_get_args();
$a = 30;
$b = 40;
return $x;
}
?>
--EXPECTF--
$_main:
; (lines=1, args=0, vars=0, tmps=0)
; (after optimizer)
; %sdce_002.php:1-11
0000 RETURN int(1)
foo:
; (lines=5, args=1, vars=2, tmps=0)
; (after optimizer)
; %sdce_002.php:2-9
0000 CV0($a) = RECV 1
0001 CV0($a) = QM_ASSIGN int(10)
0002 CV1($x) = FUNC_GET_ARGS
0003 CV0($a) = QM_ASSIGN int(30)
0004 RETURN CV1($x)