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109 lines
5.4 KiB
C
109 lines
5.4 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend OPcache |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2017 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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| http://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@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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| Stanislav Malyshev <stas@zend.com> |
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| Dmitry Stogov <dmitry@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_OPTIMIZER_INTERNAL_H
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#define ZEND_OPTIMIZER_INTERNAL_H
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#include "zend_ssa.h"
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#define ZEND_OP1_LITERAL(opline) (op_array)->literals[(opline)->op1.constant]
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#define ZEND_OP1_JMP_ADDR(opline) OP_JMP_ADDR(opline, (opline)->op1)
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#define ZEND_OP2_LITERAL(opline) (op_array)->literals[(opline)->op2.constant]
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#define ZEND_OP2_JMP_ADDR(opline) OP_JMP_ADDR(opline, (opline)->op2)
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#define VAR_NUM(v) EX_VAR_TO_NUM(v)
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#define NUM_VAR(v) ((uint32_t)(zend_uintptr_t)ZEND_CALL_VAR_NUM(0, v))
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#define INV_COND(op) ((op) == ZEND_JMPZ ? ZEND_JMPNZ : ZEND_JMPZ)
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#define INV_EX_COND(op) ((op) == ZEND_JMPZ_EX ? ZEND_JMPNZ : ZEND_JMPZ)
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#define INV_COND_EX(op) ((op) == ZEND_JMPZ ? ZEND_JMPNZ_EX : ZEND_JMPZ_EX)
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#define INV_EX_COND_EX(op) ((op) == ZEND_JMPZ_EX ? ZEND_JMPNZ_EX : ZEND_JMPZ_EX)
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#define RESULT_UNUSED(op) (op->result_type == IS_UNUSED)
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#define SAME_VAR(op1, op2) (op1 ## _type == op2 ## _type && op1.var == op2.var)
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typedef struct _zend_optimizer_ctx {
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zend_arena *arena;
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zend_script *script;
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HashTable *constants;
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zend_long optimization_level;
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zend_long debug_level;
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} zend_optimizer_ctx;
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#define LITERAL_LONG(op, val) do { \
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zval _c; \
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ZVAL_LONG(&_c, val); \
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op.constant = zend_optimizer_add_literal(op_array, &_c); \
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} while (0)
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#define LITERAL_BOOL(op, val) do { \
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zval _c; \
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ZVAL_BOOL(&_c, val); \
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op.constant = zend_optimizer_add_literal(op_array, &_c); \
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} while (0)
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#define literal_dtor(zv) do { \
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zval_ptr_dtor_nogc(zv); \
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ZVAL_NULL(zv); \
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} while (0)
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#define COPY_NODE(target, src) do { \
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target ## _type = src ## _type; \
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target = src; \
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} while (0)
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int zend_optimizer_add_literal(zend_op_array *op_array, zval *zv);
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int zend_optimizer_get_persistent_constant(zend_string *name, zval *result, int copy);
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void zend_optimizer_collect_constant(zend_optimizer_ctx *ctx, zval *name, zval* value);
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int zend_optimizer_get_collected_constant(HashTable *constants, zval *name, zval* value);
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int zend_optimizer_update_op1_const(zend_op_array *op_array,
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zend_op *opline,
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zval *val);
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int zend_optimizer_update_op2_const(zend_op_array *op_array,
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zend_op *opline,
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zval *val);
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int zend_optimizer_replace_by_const(zend_op_array *op_array,
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zend_op *opline,
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zend_uchar type,
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uint32_t var,
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zval *val);
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void zend_optimizer_remove_live_range(zend_op_array *op_array, uint32_t var);
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void zend_optimizer_pass1(zend_op_array *op_array, zend_optimizer_ctx *ctx);
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void zend_optimizer_pass2(zend_op_array *op_array);
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void zend_optimizer_pass3(zend_op_array *op_array);
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void zend_optimize_func_calls(zend_op_array *op_array, zend_optimizer_ctx *ctx);
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void zend_optimize_cfg(zend_op_array *op_array, zend_optimizer_ctx *ctx);
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void zend_optimize_dfa(zend_op_array *op_array, zend_optimizer_ctx *ctx);
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int zend_dfa_analyze_op_array(zend_op_array *op_array, zend_optimizer_ctx *ctx, zend_ssa *ssa, uint32_t *flags);
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void zend_dfa_optimize_op_array(zend_op_array *op_array, zend_optimizer_ctx *ctx, zend_ssa *ssa);
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void zend_optimize_temporary_variables(zend_op_array *op_array, zend_optimizer_ctx *ctx);
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void zend_optimizer_nop_removal(zend_op_array *op_array);
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void zend_optimizer_compact_literals(zend_op_array *op_array, zend_optimizer_ctx *ctx);
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int zend_optimizer_is_disabled_func(const char *name, size_t len);
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zend_function *zend_optimizer_get_called_func(
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zend_script *script, zend_op_array *op_array, zend_op *opline, zend_bool rt_constants);
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uint32_t zend_optimizer_classify_function(zend_string *name, uint32_t num_args);
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void zend_optimizer_migrate_jump(zend_op_array *op_array, zend_op *new_opline, zend_op *opline);
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void zend_optimizer_shift_jump(zend_op_array *op_array, zend_op *opline, uint32_t *shiftlist);
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#endif
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