diff options
Diffstat (limited to 'Zend/Optimizer/zend_optimizer_internal.h')
| -rw-r--r-- | Zend/Optimizer/zend_optimizer_internal.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/Zend/Optimizer/zend_optimizer_internal.h b/Zend/Optimizer/zend_optimizer_internal.h new file mode 100644 index 0000000000..911eb79e64 --- /dev/null +++ b/Zend/Optimizer/zend_optimizer_internal.h @@ -0,0 +1,123 @@ +/* + +----------------------------------------------------------------------+ + | Zend OPcache | + +----------------------------------------------------------------------+ + | Copyright (c) The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.txt | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Andi Gutmans <andi@php.net> | + | Zeev Suraski <zeev@php.net> | + | Stanislav Malyshev <stas@zend.com> | + | Dmitry Stogov <dmitry@php.net> | + +----------------------------------------------------------------------+ +*/ + +#ifndef ZEND_OPTIMIZER_INTERNAL_H +#define ZEND_OPTIMIZER_INTERNAL_H + +#include "zend_ssa.h" +#include "zend_func_info.h" + +#define ZEND_OP1_LITERAL(opline) (op_array)->literals[(opline)->op1.constant] +#define ZEND_OP1_JMP_ADDR(opline) OP_JMP_ADDR(opline, (opline)->op1) +#define ZEND_OP2_LITERAL(opline) (op_array)->literals[(opline)->op2.constant] +#define ZEND_OP2_JMP_ADDR(opline) OP_JMP_ADDR(opline, (opline)->op2) + +#define VAR_NUM(v) EX_VAR_TO_NUM(v) +#define NUM_VAR(v) EX_NUM_TO_VAR(v) + +#define INV_COND(op) ((op) == ZEND_JMPZ ? ZEND_JMPNZ : ZEND_JMPZ) +#define INV_EX_COND(op) ((op) == ZEND_JMPZ_EX ? ZEND_JMPNZ : ZEND_JMPZ) +#define INV_COND_EX(op) ((op) == ZEND_JMPZ ? ZEND_JMPNZ_EX : ZEND_JMPZ_EX) +#define INV_EX_COND_EX(op) ((op) == ZEND_JMPZ_EX ? ZEND_JMPNZ_EX : ZEND_JMPZ_EX) + +#define RESULT_UNUSED(op) (op->result_type == IS_UNUSED) +#define SAME_VAR(op1, op2) (op1 ## _type == op2 ## _type && op1.var == op2.var) + +typedef struct _zend_optimizer_ctx { + zend_arena *arena; + zend_script *script; + HashTable *constants; + zend_long optimization_level; + zend_long debug_level; +} zend_optimizer_ctx; + +#define LITERAL_LONG(op, val) do { \ + zval _c; \ + ZVAL_LONG(&_c, val); \ + op.constant = zend_optimizer_add_literal(op_array, &_c); \ + } while (0) + +#define LITERAL_BOOL(op, val) do { \ + zval _c; \ + ZVAL_BOOL(&_c, val); \ + op.constant = zend_optimizer_add_literal(op_array, &_c); \ + } while (0) + +#define literal_dtor(zv) do { \ + zval_ptr_dtor_nogc(zv); \ + ZVAL_NULL(zv); \ + } while (0) + +#define COPY_NODE(target, src) do { \ + target ## _type = src ## _type; \ + target = src; \ + } while (0) + +static inline bool zend_optimizer_is_loop_var_free(const zend_op *opline) { + return (opline->opcode == ZEND_FE_FREE && opline->extended_value != ZEND_FREE_ON_RETURN) + || (opline->opcode == ZEND_FREE && opline->extended_value == ZEND_FREE_SWITCH); +} + +int zend_optimizer_add_literal(zend_op_array *op_array, zval *zv); +int zend_optimizer_get_persistent_constant(zend_string *name, zval *result, int copy); +void zend_optimizer_collect_constant(zend_optimizer_ctx *ctx, zval *name, zval* value); +int zend_optimizer_get_collected_constant(HashTable *constants, zval *name, zval* value); +int zend_optimizer_eval_binary_op(zval *result, zend_uchar opcode, zval *op1, zval *op2); +int zend_optimizer_eval_unary_op(zval *result, zend_uchar opcode, zval *op1); +int zend_optimizer_eval_cast(zval *result, uint32_t type, zval *op1); +int zend_optimizer_eval_strlen(zval *result, zval *op1); +int zend_optimizer_update_op1_const(zend_op_array *op_array, + zend_op *opline, + zval *val); +int zend_optimizer_update_op2_const(zend_op_array *op_array, + zend_op *opline, + zval *val); +int zend_optimizer_replace_by_const(zend_op_array *op_array, + zend_op *opline, + zend_uchar type, + uint32_t var, + zval *val); +zend_op *zend_optimizer_get_loop_var_def(const zend_op_array *op_array, zend_op *free_opline); + +void zend_optimizer_pass1(zend_op_array *op_array, zend_optimizer_ctx *ctx); +void zend_optimizer_pass3(zend_op_array *op_array, zend_optimizer_ctx *ctx); +void zend_optimize_func_calls(zend_op_array *op_array, zend_optimizer_ctx *ctx); +void zend_optimize_cfg(zend_op_array *op_array, zend_optimizer_ctx *ctx); +void zend_optimize_dfa(zend_op_array *op_array, zend_optimizer_ctx *ctx); +int zend_dfa_analyze_op_array(zend_op_array *op_array, zend_optimizer_ctx *ctx, zend_ssa *ssa); +void zend_dfa_optimize_op_array(zend_op_array *op_array, zend_optimizer_ctx *ctx, zend_ssa *ssa, zend_call_info **call_map); +void zend_optimize_temporary_variables(zend_op_array *op_array, zend_optimizer_ctx *ctx); +void zend_optimizer_nop_removal(zend_op_array *op_array, zend_optimizer_ctx *ctx); +void zend_optimizer_compact_literals(zend_op_array *op_array, zend_optimizer_ctx *ctx); +void zend_optimizer_compact_vars(zend_op_array *op_array); +zend_function *zend_optimizer_get_called_func( + zend_script *script, zend_op_array *op_array, zend_op *opline, bool *is_prototype); +uint32_t zend_optimizer_classify_function(zend_string *name, uint32_t num_args); +void zend_optimizer_migrate_jump(zend_op_array *op_array, zend_op *new_opline, zend_op *opline); +void zend_optimizer_shift_jump(zend_op_array *op_array, zend_op *opline, uint32_t *shiftlist); +int sccp_optimize_op_array(zend_optimizer_ctx *ctx, zend_op_array *op_arrya, zend_ssa *ssa, zend_call_info **call_map); +int dce_optimize_op_array(zend_op_array *op_array, zend_ssa *ssa, bool reorder_dtor_effects); +int zend_ssa_escape_analysis(const zend_script *script, zend_op_array *op_array, zend_ssa *ssa); + +typedef void (*zend_op_array_func_t)(zend_op_array *, void *context); +void zend_foreach_op_array(zend_script *script, zend_op_array_func_t func, void *context); + +#endif |