xref: /PHP-7.4/ext/opcache/tests/opt/sccp_002.phpt (revision 12edc453)
1--TEST--
2SCCP 002: Conditional Constant Propagation of non-escaping array elements
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.optimization_level=-1
7opcache.opt_debug_level=0x20000
8opcache.preload=
9--SKIPIF--
10<?php require_once('skipif.inc'); ?>
11--FILE--
12<?php
13function foo(int $x) {
14	$a = [$x];
15	$i = 1;
16	$c = $i < 2;
17	if ($c) {
18		$k = 2 * $i;
19		$a[$k] = $i;
20		echo $a[$k];
21	}
22	echo $a[2];
23}
24?>
25--EXPECTF--
26$_main: ; (lines=1, args=0, vars=0, tmps=0)
27    ; (after optimizer)
28    ; %ssccp_002.php:1-14
29L0 (14):    RETURN int(1)
30
31foo: ; (lines=4, args=1, vars=1, tmps=0)
32    ; (after optimizer)
33    ; %ssccp_002.php:2-12
34L0 (2):     CV0($x) = RECV 1
35L1 (9):     ECHO int(1)
36L2 (11):    ECHO int(1)
37L3 (12):    RETURN null
38