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https://github.com/php/php-src.git
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Dmitry Stogov
36 lines
907 B
PHP
36 lines
907 B
PHP
--TEST--
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SCCP 006: 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 $x) {
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$a = ["a"=>1,"a"=>2,"a"=>$x];
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echo $a["a"];
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}
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?>
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--EXPECTF--
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$_main: ; (lines=1, args=0, vars=0, tmps=0)
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; (after optimizer)
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; %ssccp_006.php:1-7
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L0 (7): 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_006.php:2-5
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L0 (2): CV0($x) = RECV 1
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L1 (3): T2 = INIT_ARRAY 3 int(1) string("a")
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L2 (3): T2 = ADD_ARRAY_ELEMENT int(2) string("a")
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L3 (3): T2 = ADD_ARRAY_ELEMENT CV0($x) string("a")
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L4 (3): CV1($a) = QM_ASSIGN T2
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L5 (4): T2 = FETCH_DIM_R CV1($a) string("a")
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L6 (4): ECHO T2
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L7 (5): RETURN null
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LIVE RANGES:
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2: L2 - L4 (tmp/var)
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