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https://github.com/php/php-src.git
synced 2026-04-22 07:28:09 +02:00
Dmitry Stogov
38 lines
820 B
PHP
38 lines
820 B
PHP
--TEST--
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SCCP 008: Conditional Constant Propagation of non-escaping array elements
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--INI--
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opcache.enable=1
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opcache.enable_cli=1
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opcache.optimization_level=-1
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opcache.opt_debug_level=0x20000
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--SKIPIF--
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<?php require_once('skipif.inc'); ?>
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--FILE--
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<?php
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function foo(int $x) {
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if ($x) {
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$a = [0,1];
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} else {
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$a = [0,2];
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}
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echo $a[1];
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}
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?>
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--EXPECTF--
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$_main: ; (lines=1, args=0, vars=0, tmps=0)
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; (after optimizer)
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; %ssccp_008.php:1-11
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L0 (11): RETURN int(1)
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foo: ; (lines=8, args=1, vars=2, tmps=1)
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; (after optimizer)
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; %ssccp_008.php:2-9
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L0 (2): CV0($x) = RECV 1
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L1 (3): JMPZ CV0($x) L4
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L2 (4): CV1($a) = QM_ASSIGN array(...)
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L3 (4): JMP L5
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L4 (6): CV1($a) = QM_ASSIGN array(...)
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L5 (8): T2 = FETCH_DIM_R CV1($a) int(1)
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L6 (8): ECHO T2
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L7 (9): RETURN null
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