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JIT: Fixed incorrect guard elimination

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This commit is contained in:
Dmitry Stogov
2021-11-08 12:28:36 +03:00
parent 9b2a3c1c4f
commit 7bf63243e1
2 changed files with 24 additions and 1 deletions
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3
ext/opcache/jit/zend_jit_trace.c
View File

@@ -953,7 +953,8 @@ static const zend_op *zend_jit_trace_find_init_fcall_op(zend_jit_trace_rec *p, c
static int is_checked_guard(const zend_ssa *tssa, const zend_op **ssa_opcodes, uint32_t var, uint32_t phi_var)
{
if ((tssa->var_info[phi_var].type & MAY_BE_ANY) == MAY_BE_LONG) {
if ((tssa->var_info[phi_var].type & MAY_BE_ANY) == MAY_BE_LONG
&& !(tssa->var_info[var].type & MAY_BE_REF)) {
int idx = tssa->vars[var].definition;
if (idx >= 0) {

22
ext/opcache/tests/jit/assign_op_003.phpt Normal file
View File

@@ -0,0 +1,22 @@
--TEST--
JIT ASSIGN_OP: 003
--INI--
opcache.enable=1
opcache.enable_cli=1
opcache.file_update_protection=0
opcache.jit_buffer_size=1M
--FILE--
<?php
function test() {
$a = 0;
for ($i = 0; $i < 10; $i++) {
$a += $a;
$a =& $x;
$a += $a;
}
}
test();
?>
DONE
--EXPECT--
DONE