1 /*
2    +----------------------------------------------------------------------+
3    | Zend OPcache                                                         |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1998-2017 The PHP Group                                |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Andi Gutmans <andi@zend.com>                                |
16    |          Zeev Suraski <zeev@zend.com>                                |
17    |          Stanislav Malyshev <stas@zend.com>                          |
18    |          Dmitry Stogov <dmitry@zend.com>                             |
19    +----------------------------------------------------------------------+
20 */
21 
22 #ifndef ZEND_OPTIMIZER_H
23 #define ZEND_OPTIMIZER_H
24 
25 #include "zend.h"
26 #include "zend_compile.h"
27 
28 #define ZEND_OPTIMIZER_PASS_1		(1<<0)   /* CSE, STRING construction     */
29 #define ZEND_OPTIMIZER_PASS_2		(1<<1)   /* Constant conversion and jumps */
30 #define ZEND_OPTIMIZER_PASS_3		(1<<2)   /* ++, +=, series of jumps      */
31 #define ZEND_OPTIMIZER_PASS_4		(1<<3)   /* INIT_FCALL_BY_NAME -> DO_FCALL */
32 #define ZEND_OPTIMIZER_PASS_5		(1<<4)   /* CFG based optimization       */
33 #define ZEND_OPTIMIZER_PASS_6		(1<<5)
34 #define ZEND_OPTIMIZER_PASS_7		(1<<6)
35 #define ZEND_OPTIMIZER_PASS_8		(1<<7)
36 #define ZEND_OPTIMIZER_PASS_9		(1<<8)   /* TMP VAR usage                */
37 #define ZEND_OPTIMIZER_PASS_10		(1<<9)   /* NOP removal                 */
38 #define ZEND_OPTIMIZER_PASS_11		(1<<10)  /* Merge equal constants       */
39 #define ZEND_OPTIMIZER_PASS_12		(1<<11)  /* Adjust used stack           */
40 #define ZEND_OPTIMIZER_PASS_13		(1<<12)
41 #define ZEND_OPTIMIZER_PASS_14		(1<<13)
42 #define ZEND_OPTIMIZER_PASS_15		(1<<14)  /* Collect constants */
43 
44 #define ZEND_OPTIMIZER_ALL_PASSES	0x7FFFFFFF
45 
46 #define DEFAULT_OPTIMIZATION_LEVEL  "0x7FFFBFFF"
47 
48 #endif
49