104 lines
4.8 KiB
C
104 lines
4.8 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend OPcache |
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@php.net> |
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| Zeev Suraski <zeev@php.net> |
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| Stanislav Malyshev <stas@zend.com> |
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| Dmitry Stogov <dmitry@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_OPTIMIZER_H
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#define ZEND_OPTIMIZER_H
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#include "zend.h"
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#include "zend_compile.h"
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#define ZEND_OPTIMIZER_PASS_1 (1<<0) /* Simple local optimizations */
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#define ZEND_OPTIMIZER_PASS_2 (1<<1) /* */
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#define ZEND_OPTIMIZER_PASS_3 (1<<2) /* Jump optimization */
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#define ZEND_OPTIMIZER_PASS_4 (1<<3) /* INIT_FCALL_BY_NAME -> DO_FCALL */
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#define ZEND_OPTIMIZER_PASS_5 (1<<4) /* CFG based optimization */
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#define ZEND_OPTIMIZER_PASS_6 (1<<5) /* DFA based optimization */
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#define ZEND_OPTIMIZER_PASS_7 (1<<6) /* CALL GRAPH optimization */
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#define ZEND_OPTIMIZER_PASS_8 (1<<7) /* SCCP (constant propagation) */
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#define ZEND_OPTIMIZER_PASS_9 (1<<8) /* TMP VAR usage */
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#define ZEND_OPTIMIZER_PASS_10 (1<<9) /* NOP removal */
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#define ZEND_OPTIMIZER_PASS_11 (1<<10) /* Merge equal constants */
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#define ZEND_OPTIMIZER_PASS_12 (1<<11) /* Adjust used stack */
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#define ZEND_OPTIMIZER_PASS_13 (1<<12) /* Remove unused variables */
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#define ZEND_OPTIMIZER_PASS_14 (1<<13) /* DCE (dead code elimination) */
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#define ZEND_OPTIMIZER_PASS_15 (1<<14) /* (unsafe) Collect constants */
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#define ZEND_OPTIMIZER_PASS_16 (1<<15) /* Inline functions */
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#define ZEND_OPTIMIZER_IGNORE_OVERLOADING (1<<16) /* (unsafe) Ignore possibility of operator overloading */
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#define ZEND_OPTIMIZER_NARROW_TO_DOUBLE (1<<17) /* try to narrow long constant assignments to double */
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#define ZEND_OPTIMIZER_ALL_PASSES 0x7FFFFFFF
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#define DEFAULT_OPTIMIZATION_LEVEL "0x7FFEBFFF"
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#define ZEND_DUMP_AFTER_PASS_1 ZEND_OPTIMIZER_PASS_1
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#define ZEND_DUMP_AFTER_PASS_2 ZEND_OPTIMIZER_PASS_2
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#define ZEND_DUMP_AFTER_PASS_3 ZEND_OPTIMIZER_PASS_3
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#define ZEND_DUMP_AFTER_PASS_4 ZEND_OPTIMIZER_PASS_4
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#define ZEND_DUMP_AFTER_PASS_5 ZEND_OPTIMIZER_PASS_5
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#define ZEND_DUMP_AFTER_PASS_6 ZEND_OPTIMIZER_PASS_6
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#define ZEND_DUMP_AFTER_PASS_7 ZEND_OPTIMIZER_PASS_7
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#define ZEND_DUMP_AFTER_PASS_8 ZEND_OPTIMIZER_PASS_8
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#define ZEND_DUMP_AFTER_PASS_9 ZEND_OPTIMIZER_PASS_9
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#define ZEND_DUMP_AFTER_PASS_10 ZEND_OPTIMIZER_PASS_10
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#define ZEND_DUMP_AFTER_PASS_11 ZEND_OPTIMIZER_PASS_11
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#define ZEND_DUMP_AFTER_PASS_12 ZEND_OPTIMIZER_PASS_12
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#define ZEND_DUMP_AFTER_PASS_13 ZEND_OPTIMIZER_PASS_13
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#define ZEND_DUMP_AFTER_PASS_14 ZEND_OPTIMIZER_PASS_14
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#define ZEND_DUMP_BEFORE_OPTIMIZER (1<<16)
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#define ZEND_DUMP_AFTER_OPTIMIZER (1<<17)
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#define ZEND_DUMP_BEFORE_BLOCK_PASS (1<<18)
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#define ZEND_DUMP_AFTER_BLOCK_PASS (1<<19)
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#define ZEND_DUMP_BLOCK_PASS_VARS (1<<20)
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#define ZEND_DUMP_BEFORE_DFA_PASS (1<<21)
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#define ZEND_DUMP_AFTER_DFA_PASS (1<<22)
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#define ZEND_DUMP_DFA_CFG (1<<23)
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#define ZEND_DUMP_DFA_DOMINATORS (1<<24)
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#define ZEND_DUMP_DFA_LIVENESS (1<<25)
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#define ZEND_DUMP_DFA_PHI (1<<26)
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#define ZEND_DUMP_DFA_SSA (1<<27)
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#define ZEND_DUMP_DFA_SSA_VARS (1<<28)
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#define ZEND_DUMP_SCCP (1<<29)
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typedef struct _zend_script {
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zend_string *filename;
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zend_op_array main_op_array;
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HashTable function_table;
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HashTable class_table;
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} zend_script;
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typedef void (*zend_optimizer_pass_t)(zend_script *, void *context);
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BEGIN_EXTERN_C()
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ZEND_API void zend_optimize_script(zend_script *script, zend_long optimization_level, zend_long debug_level);
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ZEND_API int zend_optimizer_register_pass(zend_optimizer_pass_t pass);
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ZEND_API void zend_optimizer_unregister_pass(int idx);
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zend_result zend_optimizer_startup(void);
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zend_result zend_optimizer_shutdown(void);
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END_EXTERN_C()
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#endif
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