1 /* 2 +----------------------------------------------------------------------+ 3 | Zend OPcache | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1998-2018 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@php.net> | 16 | Zeev Suraski <zeev@php.net> | 17 | Stanislav Malyshev <stas@zend.com> | 18 | Dmitry Stogov <dmitry@php.net> | 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) /* DFA based optimization */ 34 #define ZEND_OPTIMIZER_PASS_7 (1<<6) /* CALL GRAPH optimization */ 35 #define ZEND_OPTIMIZER_PASS_8 (1<<7) /* SCCP (constant propagation) */ 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) /* Remove unused variables */ 41 #define ZEND_OPTIMIZER_PASS_14 (1<<13) /* DCE (dead code elimination) */ 42 #define ZEND_OPTIMIZER_PASS_15 (1<<14) /* (unsafe) Collect constants */ 43 #define ZEND_OPTIMIZER_PASS_16 (1<<15) /* Inline functions */ 44 45 #define ZEND_OPTIMIZER_IGNORE_OVERLOADING (1<<16) /* (unsafe) Ignore possibility of operator overloading */ 46 47 #define ZEND_OPTIMIZER_ALL_PASSES 0x7FFFFFFF 48 49 #define DEFAULT_OPTIMIZATION_LEVEL "0x7FFEBFFF" 50 51 52 #define ZEND_DUMP_AFTER_PASS_1 ZEND_OPTIMIZER_PASS_1 53 #define ZEND_DUMP_AFTER_PASS_2 ZEND_OPTIMIZER_PASS_2 54 #define ZEND_DUMP_AFTER_PASS_3 ZEND_OPTIMIZER_PASS_3 55 #define ZEND_DUMP_AFTER_PASS_4 ZEND_OPTIMIZER_PASS_4 56 #define ZEND_DUMP_AFTER_PASS_5 ZEND_OPTIMIZER_PASS_5 57 #define ZEND_DUMP_AFTER_PASS_6 ZEND_OPTIMIZER_PASS_6 58 #define ZEND_DUMP_AFTER_PASS_7 ZEND_OPTIMIZER_PASS_7 59 #define ZEND_DUMP_AFTER_PASS_8 ZEND_OPTIMIZER_PASS_8 60 #define ZEND_DUMP_AFTER_PASS_9 ZEND_OPTIMIZER_PASS_9 61 #define ZEND_DUMP_AFTER_PASS_10 ZEND_OPTIMIZER_PASS_10 62 #define ZEND_DUMP_AFTER_PASS_11 ZEND_OPTIMIZER_PASS_11 63 #define ZEND_DUMP_AFTER_PASS_12 ZEND_OPTIMIZER_PASS_12 64 #define ZEND_DUMP_AFTER_PASS_13 ZEND_OPTIMIZER_PASS_13 65 #define ZEND_DUMP_AFTER_PASS_14 ZEND_OPTIMIZER_PASS_14 66 67 #define ZEND_DUMP_BEFORE_OPTIMIZER (1<<16) 68 #define ZEND_DUMP_AFTER_OPTIMIZER (1<<17) 69 70 #define ZEND_DUMP_BEFORE_BLOCK_PASS (1<<18) 71 #define ZEND_DUMP_AFTER_BLOCK_PASS (1<<19) 72 #define ZEND_DUMP_BLOCK_PASS_VARS (1<<20) 73 74 #define ZEND_DUMP_BEFORE_DFA_PASS (1<<21) 75 #define ZEND_DUMP_AFTER_DFA_PASS (1<<22) 76 #define ZEND_DUMP_DFA_CFG (1<<23) 77 #define ZEND_DUMP_DFA_DOMINATORS (1<<24) 78 #define ZEND_DUMP_DFA_LIVENESS (1<<25) 79 #define ZEND_DUMP_DFA_PHI (1<<26) 80 #define ZEND_DUMP_DFA_SSA (1<<27) 81 #define ZEND_DUMP_DFA_SSA_VARS (1<<28) 82 #define ZEND_DUMP_SCCP (1<<29) 83 84 typedef struct _zend_script { 85 zend_string *filename; 86 zend_op_array main_op_array; 87 HashTable function_table; 88 HashTable class_table; 89 uint32_t first_early_binding_opline; /* the linked list of delayed declarations */ 90 } zend_script; 91 92 int zend_optimize_script(zend_script *script, zend_long optimization_level, zend_long debug_level); 93 int zend_optimizer_startup(void); 94 int zend_optimizer_shutdown(void); 95 96 #endif 97
