xref: /PHP-7.4/ext/opcache/tests/opt/sccp_007.phpt (revision 12edc453)
1--TEST--
2SCCP 007: 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 $x) {
14	if ($x) {
15		$a = [0,1];
16	} else {
17		$a = [0,2];
18	}
19	echo $a[0];
20}
21?>
22--EXPECTF--
23$_main: ; (lines=1, args=0, vars=0, tmps=0)
24    ; (after optimizer)
25    ; %ssccp_007.php:1-11
26L0 (11):    RETURN int(1)
27
28foo: ; (lines=3, args=1, vars=1, tmps=0)
29    ; (after optimizer)
30    ; %ssccp_007.php:2-9
31L0 (2):     CV0($x) = RECV 1
32L1 (8):     ECHO int(0)
33L2 (9):     RETURN null
34