/src/php-src/Zend/Optimizer/optimize_func_calls.c

Source
/*
   +----------------------------------------------------------------------+
   | Zend OPcache                                                         |
   +----------------------------------------------------------------------+
   | Copyright © The PHP Group and Contributors.                          |
   +----------------------------------------------------------------------+
   | This source file is subject to the Modified BSD License that is      |
   | bundled with this package in the file LICENSE, and is available      |
   | through the World Wide Web at <https://www.php.net/license/>.        |
   |                                                                      |
   | SPDX-License-Identifier: BSD-3-Clause                                |
   +----------------------------------------------------------------------+
   | Authors: Dmitry Stogov <dmitry@php.net>                              |
   |          Xinchen Hui <laruence@php.net>                              |
   +----------------------------------------------------------------------+
*/

/* pass 4
 * - optimize INIT_FCALL_BY_NAME to DO_FCALL
 */

#include "Optimizer/zend_optimizer.h"
#include "Optimizer/zend_optimizer_internal.h"
#include "zend_API.h"
#include "zend_constants.h"
#include "zend_execute.h"
#include "zend_vm.h"

typedef struct _optimizer_call_info {
  zend_function *func;
  zend_op       *opline;
  zend_op       *last_check_func_arg_opline;
  bool      is_prototype;
  bool      try_inline;
  uint32_t       func_arg_num;
} optimizer_call_info;

static void zend_delete_call_instructions(const zend_op_array *op_array, zend_op *opline)
{
  int call = 0;

  while (1) {
    switch (opline->opcode) {
      case ZEND_INIT_FCALL_BY_NAME:
      case ZEND_INIT_NS_FCALL_BY_NAME:
      case ZEND_INIT_STATIC_METHOD_CALL:
      case ZEND_INIT_METHOD_CALL:
      case ZEND_INIT_FCALL:
      case ZEND_INIT_PARENT_PROPERTY_HOOK_CALL:
        if (call == 0) {
          MAKE_NOP(opline);
          return;
        }
        ZEND_FALLTHROUGH;
      case ZEND_NEW:
      case ZEND_INIT_DYNAMIC_CALL:
      case ZEND_INIT_USER_CALL:
        call--;
        break;
      case ZEND_DO_FCALL:
      case ZEND_DO_ICALL:
      case ZEND_DO_UCALL:
      case ZEND_DO_FCALL_BY_NAME:
        call++;
        break;
      case ZEND_SEND_VAL:
      case ZEND_SEND_VAR:
        if (call == 0) {
          zend_optimizer_convert_to_free_op1(op_array, opline);
        }
        break;
    }
    opline--;
  }
}

static void zend_try_inline_call(zend_op_array *op_array, const zend_op *fcall, zend_op *opline, const zend_function *func)
{
  const uint32_t no_discard = RETURN_VALUE_USED(opline) ? 0 : ZEND_ACC_NODISCARD;

  if (func->type == ZEND_USER_FUNCTION
   && !(func->op_array.fn_flags & (ZEND_ACC_ABSTRACT|ZEND_ACC_HAS_TYPE_HINTS|ZEND_ACC_DEPRECATED|no_discard))
    /* TODO: function copied from trait may be inconsistent ??? */
   && !(func->op_array.fn_flags & (ZEND_ACC_TRAIT_CLONE))
   && fcall->extended_value >= func->op_array.required_num_args
   && func->op_array.opcodes[func->op_array.num_args].opcode == ZEND_RETURN) {

    zend_op *ret_opline = func->op_array.opcodes + func->op_array.num_args;

    if (ret_opline->op1_type == IS_CONST) {
      uint32_t i, num_args = func->op_array.num_args;
      num_args += (func->op_array.fn_flags & ZEND_ACC_VARIADIC) != 0;

      if (fcall->opcode == ZEND_INIT_STATIC_METHOD_CALL
          && !(func->op_array.fn_flags & ZEND_ACC_STATIC)) {
        /* Don't inline static call to instance method. */
        return;
      }

      for (i = 0; i < num_args; i++) {
        /* Don't inline functions with by-reference arguments. This would require
         * correct handling of INDIRECT arguments. */
        if (ZEND_ARG_SEND_MODE(&func->op_array.arg_info[i])) {
          return;
        }
      }

      if (fcall->extended_value < func->op_array.num_args) {
        /* don't inline functions with named constants in default arguments */
        i = fcall->extended_value;

        do {
          if (Z_TYPE_P(CRT_CONSTANT_EX(&func->op_array, &func->op_array.opcodes[i], func->op_array.opcodes[i].op2)) == IS_CONSTANT_AST) {
            return;
          }
          i++;
        } while (i < func->op_array.num_args);
      }

      if (RETURN_VALUE_USED(opline)) {
        zval zv;

        ZVAL_COPY(&zv, CRT_CONSTANT_EX(&func->op_array, ret_opline, ret_opline->op1));
        opline->opcode = ZEND_QM_ASSIGN;
        opline->op1_type = IS_CONST;
        opline->op1.constant = zend_optimizer_add_literal(op_array, &zv);
        SET_UNUSED(opline->op2);
      } else {
        MAKE_NOP(opline);
      }

      zend_delete_call_instructions(op_array, opline-1);
    }
  }
}

/* arg_num is 1-based here, to match SEND encoding. */
static bool has_known_send_mode(const optimizer_call_info *info, uint32_t arg_num)
{
  if (!info->func) {
    return false;
  }

  /* For prototype functions we should not make assumptions about arguments that are not part of
   * the signature: And inheriting method can add an optional by-ref argument. */
  return !info->is_prototype
    || arg_num <= info->func->common.num_args
    || (info->func->common.fn_flags & ZEND_ACC_VARIADIC);
}

void zend_optimize_func_calls(zend_op_array *op_array, zend_optimizer_ctx *ctx)
{
  zend_op *opline = op_array->opcodes;
  const zend_op *end = opline + op_array->last;
  int call = 0;
  void *checkpoint;
  optimizer_call_info *call_stack;

  if (op_array->last < 2) {
    return;
  }

  checkpoint = zend_arena_checkpoint(ctx->arena);
  call_stack = zend_arena_calloc(&ctx->arena, op_array->last / 2, sizeof(optimizer_call_info));
  while (opline < end) {
    switch (opline->opcode) {
      case ZEND_INIT_FCALL_BY_NAME:
      case ZEND_INIT_NS_FCALL_BY_NAME:
      case ZEND_INIT_STATIC_METHOD_CALL:
      case ZEND_INIT_METHOD_CALL:
      case ZEND_INIT_FCALL:
      case ZEND_NEW:
      case ZEND_INIT_PARENT_PROPERTY_HOOK_CALL:
        /* The argument passing optimizations are valid for prototypes as well,
         * as inheritance cannot change between ref <-> non-ref arguments. */
        call_stack[call].func = zend_optimizer_get_called_func(
          ctx->script, op_array, opline, &call_stack[call].is_prototype);
        call_stack[call].try_inline =
          !call_stack[call].is_prototype
          && opline->opcode != ZEND_NEW
          && opline->opcode != ZEND_INIT_PARENT_PROPERTY_HOOK_CALL;
        ZEND_FALLTHROUGH;
      case ZEND_INIT_DYNAMIC_CALL:
      case ZEND_INIT_USER_CALL:
        call_stack[call].opline = opline;
        call_stack[call].func_arg_num = (uint32_t)-1;
        call++;
        break;
      case ZEND_DO_FCALL:
      case ZEND_DO_ICALL:
      case ZEND_DO_UCALL:
      case ZEND_DO_FCALL_BY_NAME:
      case ZEND_CALLABLE_CONVERT:
      case ZEND_CALLABLE_CONVERT_PARTIAL:
        call--;
        if (call_stack[call].func && call_stack[call].opline) {
          zend_op *fcall = call_stack[call].opline;

          if (fcall->opcode == ZEND_INIT_FCALL) {
            /* nothing to do */
          } else if (fcall->opcode == ZEND_INIT_FCALL_BY_NAME) {
            fcall->opcode = ZEND_INIT_FCALL;
            fcall->op1.num = zend_vm_calc_used_stack(fcall->extended_value, call_stack[call].func);
            literal_dtor(&ZEND_OP2_LITERAL(fcall));
            fcall->op2.constant = fcall->op2.constant + 1;
          } else if (fcall->opcode == ZEND_INIT_NS_FCALL_BY_NAME) {
            fcall->opcode = ZEND_INIT_FCALL;
            fcall->op1.num = zend_vm_calc_used_stack(fcall->extended_value, call_stack[call].func);
            literal_dtor(&op_array->literals[fcall->op2.constant]);
            literal_dtor(&op_array->literals[fcall->op2.constant + 2]);
            fcall->op2.constant = fcall->op2.constant + 1;
          } else if (fcall->opcode == ZEND_INIT_STATIC_METHOD_CALL
              || fcall->opcode == ZEND_INIT_METHOD_CALL
              || fcall->opcode == ZEND_INIT_PARENT_PROPERTY_HOOK_CALL
              || fcall->opcode == ZEND_NEW) {
            /* We don't have specialized opcodes for this, do nothing */
          } else {
            ZEND_UNREACHABLE();
          }

          /* If the INIT opcode changed the DO opcode can also change to
           * a more optimized one.
           *
           * At this point we also know whether or not the result of
           * the DO opcode is used, allowing to optimize calls to
           * ZEND_ACC_NODISCARD functions. */
          if (opline->opcode != ZEND_CALLABLE_CONVERT && opline->opcode != ZEND_CALLABLE_CONVERT_PARTIAL) {
            opline->opcode = zend_get_call_op(fcall, call_stack[call].func, !RESULT_UNUSED(opline));
          }

          if ((ZEND_OPTIMIZER_PASS_16 & ctx->optimization_level)
              && call_stack[call].try_inline
              && opline->opcode != ZEND_CALLABLE_CONVERT
              && opline->opcode != ZEND_CALLABLE_CONVERT_PARTIAL) {
            zend_try_inline_call(op_array, fcall, opline, call_stack[call].func);
          }
        }
        call_stack[call].func = NULL;
        call_stack[call].opline = NULL;
        call_stack[call].try_inline = false;
        call_stack[call].func_arg_num = (uint32_t)-1;
        break;
      case ZEND_FETCH_FUNC_ARG:
      case ZEND_FETCH_STATIC_PROP_FUNC_ARG:
      case ZEND_FETCH_OBJ_FUNC_ARG:
      case ZEND_FETCH_DIM_FUNC_ARG:
        if (call_stack[call - 1].func_arg_num != (uint32_t)-1
            && has_known_send_mode(&call_stack[call - 1], call_stack[call - 1].func_arg_num)) {
          if (ARG_SHOULD_BE_SENT_BY_REF(call_stack[call - 1].func, call_stack[call - 1].func_arg_num)) {
            /* There's no TMP specialization for FETCH_OBJ_W/FETCH_DIM_W. Avoid
             * converting it and error at runtime in the FUNC_ARG variant. */
            if ((opline->opcode == ZEND_FETCH_OBJ_FUNC_ARG || opline->opcode == ZEND_FETCH_DIM_FUNC_ARG)
             && (opline->op1_type == IS_TMP_VAR || call_stack[call - 1].last_check_func_arg_opline == NULL)) {
              /* Don't remove the associated CHECK_FUNC_ARG opcode. */
              call_stack[call - 1].last_check_func_arg_opline = NULL;
              break;
            }
            if (opline->opcode != ZEND_FETCH_STATIC_PROP_FUNC_ARG) {
              opline->opcode -= 9;
            } else {
              opline->opcode = ZEND_FETCH_STATIC_PROP_W;
            }
          } else {
            if (opline->opcode == ZEND_FETCH_DIM_FUNC_ARG
                && opline->op2_type == IS_UNUSED) {
              /* FETCH_DIM_FUNC_ARG supports UNUSED op2, while FETCH_DIM_R does not.
               * Performing the replacement would create an invalid opcode. */
              call_stack[call - 1].try_inline = false;
              break;
            }

            if (opline->opcode != ZEND_FETCH_STATIC_PROP_FUNC_ARG) {
              opline->opcode -= 12;
            } else {
              opline->opcode = ZEND_FETCH_STATIC_PROP_R;
            }
          }
        }
        break;
      case ZEND_SEND_VAL_EX:
        if (opline->op2_type == IS_CONST) {
          call_stack[call - 1].try_inline = false;
          break;
        }

        if (has_known_send_mode(&call_stack[call - 1], opline->op2.num)) {
          if (!ARG_MUST_BE_SENT_BY_REF(call_stack[call - 1].func, opline->op2.num)) {
            opline->opcode = ZEND_SEND_VAL;
          }
        }
        break;
      case ZEND_CHECK_FUNC_ARG:
        if (opline->op2_type == IS_CONST) {
          call_stack[call - 1].try_inline = false;
          call_stack[call - 1].func_arg_num = (uint32_t)-1;
          break;
        }

        if (has_known_send_mode(&call_stack[call - 1], opline->op2.num)) {
          call_stack[call - 1].func_arg_num = opline->op2.num;
          call_stack[call - 1].last_check_func_arg_opline = opline;
        }
        break;
      case ZEND_SEND_FUNC_ARG:
        /* Don't transform SEND_FUNC_ARG if any FETCH opcodes weren't transformed. */
        if (call_stack[call - 1].last_check_func_arg_opline == NULL) {
          if (opline->op2_type == IS_CONST) {
            call_stack[call - 1].try_inline = false;
          }
          break;
        }
        MAKE_NOP(call_stack[call - 1].last_check_func_arg_opline);
        call_stack[call - 1].last_check_func_arg_opline = NULL;
        ZEND_FALLTHROUGH;
      case ZEND_SEND_VAR_EX:
        if (opline->op2_type == IS_CONST) {
          call_stack[call - 1].try_inline = false;
          break;
        }

        if (has_known_send_mode(&call_stack[call - 1], opline->op2.num)) {
          call_stack[call - 1].func_arg_num = (uint32_t)-1;
          if (ARG_SHOULD_BE_SENT_BY_REF(call_stack[call - 1].func, opline->op2.num)) {
            opline->opcode = ZEND_SEND_REF;
          } else {
            opline->opcode = ZEND_SEND_VAR;
          }
        }
        break;
      case ZEND_SEND_VAR_NO_REF_EX:
        if (opline->op2_type == IS_CONST) {
          call_stack[call - 1].try_inline = false;
          break;
        }

        if (has_known_send_mode(&call_stack[call - 1], opline->op2.num)) {
          if (ARG_MUST_BE_SENT_BY_REF(call_stack[call - 1].func, opline->op2.num)) {
            opline->opcode = ZEND_SEND_VAR_NO_REF;
          } else if (ARG_MAY_BE_SENT_BY_REF(call_stack[call - 1].func, opline->op2.num)) {
            opline->opcode = ZEND_SEND_VAL;
          } else {
            opline->opcode = ZEND_SEND_VAR;
          }
        }
        break;
      case ZEND_SEND_VAL:
      case ZEND_SEND_VAR:
      case ZEND_SEND_REF:
        if (opline->op2_type == IS_CONST) {
          call_stack[call - 1].try_inline = false;
          break;
        }
        break;
      case ZEND_SEND_UNPACK:
      case ZEND_SEND_USER:
      case ZEND_SEND_ARRAY:
        call_stack[call - 1].try_inline = false;
        break;
      default:
        break;
    }
    opline++;
  }

  zend_arena_release(&ctx->arena, checkpoint);
}

Coverage Report

Created: 2026-09-14 06:25

Line	Count	Source
1		/*
2		+----------------------------------------------------------------------+
3		\| Zend OPcache \|
4		+----------------------------------------------------------------------+
5		\| Copyright © The PHP Group and Contributors. \|
6		+----------------------------------------------------------------------+
7		\| This source file is subject to the Modified BSD License that is \|
8		\| bundled with this package in the file LICENSE, and is available \|
9		\| through the World Wide Web at <https://www.php.net/license/>. \|
10		\| \|
11		\| SPDX-License-Identifier: BSD-3-Clause \|
12		+----------------------------------------------------------------------+
13		\| Authors: Dmitry Stogov <dmitry@php.net> \|
14		\| Xinchen Hui <laruence@php.net> \|
15		+----------------------------------------------------------------------+
16		*/
17
18		/* pass 4
19		* - optimize INIT_FCALL_BY_NAME to DO_FCALL
20		*/
21
22		#include "Optimizer/zend_optimizer.h"
23		#include "Optimizer/zend_optimizer_internal.h"
24		#include "zend_API.h"
25		#include "zend_constants.h"
26		#include "zend_execute.h"
27		#include "zend_vm.h"
28
29		typedef struct _optimizer_call_info {
30		zend_function *func;
31		zend_op *opline;
32		zend_op *last_check_func_arg_opline;
33		bool is_prototype;
34		bool try_inline;
35		uint32_t func_arg_num;
36		} optimizer_call_info;
37
38		static void zend_delete_call_instructions(const zend_op_array op_array, zend_op opline)
39	647	{
40	647	int call = 0;
41
42	1.38k	while (1) {
43	1.38k	switch (opline->opcode) {
44	14	case ZEND_INIT_FCALL_BY_NAME:
45	14	case ZEND_INIT_NS_FCALL_BY_NAME:
46	66	case ZEND_INIT_STATIC_METHOD_CALL:
47	68	case ZEND_INIT_METHOD_CALL:
48	701	case ZEND_INIT_FCALL:
49	701	case ZEND_INIT_PARENT_PROPERTY_HOOK_CALL:
50	701	if (call == 0) {
51	647	MAKE_NOP(opline);
52	647	return;
53	647	}
54	54	ZEND_FALLTHROUGH;
55	62	case ZEND_NEW:
56	62	case ZEND_INIT_DYNAMIC_CALL:
57	62	case ZEND_INIT_USER_CALL:
58	62	call--;
59	62	break;
60	46	case ZEND_DO_FCALL:
61	46	case ZEND_DO_ICALL:
62	62	case ZEND_DO_UCALL:
63	62	case ZEND_DO_FCALL_BY_NAME:
64	62	call++;
65	62	break;
66	117	case ZEND_SEND_VAL:
67	342	case ZEND_SEND_VAR:
68	342	if (call == 0) {
69	342	zend_optimizer_convert_to_free_op1(op_array, opline);
70	342	}
71	342	break;
72	1.38k	}
73	736	opline--;
74	736	}
75	647	}
76
77		static void zend_try_inline_call(zend_op_array op_array, const zend_op fcall, zend_op opline, const zend_function func)
78	138k	{
79	138k	const uint32_t no_discard = RETURN_VALUE_USED(opline) ? 0 : ZEND_ACC_NODISCARD;
80
81	138k	if (func->type == ZEND_USER_FUNCTION
82	29.6k	&& !(func->op_array.fn_flags & (ZEND_ACC_ABSTRACT\|ZEND_ACC_HAS_TYPE_HINTS\|ZEND_ACC_DEPRECATED\|no_discard))
83		/* TODO: function copied from trait may be inconsistent ??? */
84	23.1k	&& !(func->op_array.fn_flags & (ZEND_ACC_TRAIT_CLONE))
85	23.1k	&& fcall->extended_value >= func->op_array.required_num_args
86	22.9k	&& func->op_array.opcodes[func->op_array.num_args].opcode == ZEND_RETURN) {
87
88	1.31k	zend_op *ret_opline = func->op_array.opcodes + func->op_array.num_args;
89
90	1.31k	if (ret_opline->op1_type == IS_CONST) {
91	762	uint32_t i, num_args = func->op_array.num_args;
92	762	num_args += (func->op_array.fn_flags & ZEND_ACC_VARIADIC) != 0;
93
94	762	if (fcall->opcode == ZEND_INIT_STATIC_METHOD_CALL
95	48	&& !(func->op_array.fn_flags & ZEND_ACC_STATIC)) {
96		/* Don't inline static call to instance method. */
97	0	return;
98	0	}
99
100	1.13k	for (i = 0; i < num_args; i++) {
101		/* Don't inline functions with by-reference arguments. This would require
102		* correct handling of INDIRECT arguments. */
103	397	if (ZEND_ARG_SEND_MODE(&func->op_array.arg_info[i])) {
104	29	return;
105	29	}
106	397	}
107
108	733	if (fcall->extended_value < func->op_array.num_args) {
109		/* don't inline functions with named constants in default arguments */
110	86	i = fcall->extended_value;
111
112	86	do {
113	86	if (Z_TYPE_P(CRT_CONSTANT_EX(&func->op_array, &func->op_array.opcodes[i], func->op_array.opcodes[i].op2)) == IS_CONSTANT_AST) {
114	86	return;
115	86	}
116	0	i++;
117	0	} while (i < func->op_array.num_args);
118	86	}
119
120	647	if (RETURN_VALUE_USED(opline)) {
121	450	zval zv;
122
123	450	ZVAL_COPY(&zv, CRT_CONSTANT_EX(&func->op_array, ret_opline, ret_opline->op1));
124	450	opline->opcode = ZEND_QM_ASSIGN;
125	450	opline->op1_type = IS_CONST;
126	450	opline->op1.constant = zend_optimizer_add_literal(op_array, &zv);
127	450	SET_UNUSED(opline->op2);
128	450	} else {
129	197	MAKE_NOP(opline);
130	197	}
131
132	647	zend_delete_call_instructions(op_array, opline-1);
133	647	}
134	1.31k	}
135	138k	}
136
137		/* arg_num is 1-based here, to match SEND encoding. */
138		static bool has_known_send_mode(const optimizer_call_info *info, uint32_t arg_num)
139	39.2k	{
140	39.2k	if (!info->func) {
141	36.1k	return false;
142	36.1k	}
143
144		/* For prototype functions we should not make assumptions about arguments that are not part of
145		* the signature: And inheriting method can add an optional by-ref argument. */
146	3.10k	return !info->is_prototype
147	784	\|\| arg_num <= info->func->common.num_args
148	10	\|\| (info->func->common.fn_flags & ZEND_ACC_VARIADIC);
149	39.2k	}
150
151		void zend_optimize_func_calls(zend_op_array op_array, zend_optimizer_ctx ctx)
152	115k	{
153	115k	zend_op *opline = op_array->opcodes;
154	115k	const zend_op *end = opline + op_array->last;
155	115k	int call = 0;
156	115k	void *checkpoint;
157	115k	optimizer_call_info *call_stack;
158
159	115k	if (op_array->last < 2) {
160	2.95k	return;
161	2.95k	}
162
163	112k	checkpoint = zend_arena_checkpoint(ctx->arena);
164	112k	call_stack = zend_arena_calloc(&ctx->arena, op_array->last / 2, sizeof(optimizer_call_info));
165	2.93M	while (opline < end) {
166	2.82M	switch (opline->opcode) {
167	9.45k	case ZEND_INIT_FCALL_BY_NAME:
168	12.5k	case ZEND_INIT_NS_FCALL_BY_NAME:
169	20.1k	case ZEND_INIT_STATIC_METHOD_CALL:
170	65.1k	case ZEND_INIT_METHOD_CALL:
171	201k	case ZEND_INIT_FCALL:
172	260k	case ZEND_NEW:
173	260k	case ZEND_INIT_PARENT_PROPERTY_HOOK_CALL:
174		/* The argument passing optimizations are valid for prototypes as well,
175		* as inheritance cannot change between ref <-> non-ref arguments. */
176	260k	call_stack[call].func = zend_optimizer_get_called_func(
177	260k	ctx->script, op_array, opline, &call_stack[call].is_prototype);
178	260k	call_stack[call].try_inline =
179	260k	!call_stack[call].is_prototype
180	260k	&& opline->opcode != ZEND_NEW
181	201k	&& opline->opcode != ZEND_INIT_PARENT_PROPERTY_HOOK_CALL;
182	260k	ZEND_FALLTHROUGH;
183	268k	case ZEND_INIT_DYNAMIC_CALL:
184	269k	case ZEND_INIT_USER_CALL:
185	269k	call_stack[call].opline = opline;
186	269k	call_stack[call].func_arg_num = (uint32_t)-1;
187	269k	call++;
188	269k	break;
189	253k	case ZEND_DO_FCALL:
190	253k	case ZEND_DO_ICALL:
191	266k	case ZEND_DO_UCALL:
192	267k	case ZEND_DO_FCALL_BY_NAME:
193	268k	case ZEND_CALLABLE_CONVERT:
194	269k	case ZEND_CALLABLE_CONVERT_PARTIAL:
195	269k	call--;
196	269k	if (call_stack[call].func && call_stack[call].opline) {
197	146k	zend_op *fcall = call_stack[call].opline;
198
199	146k	if (fcall->opcode == ZEND_INIT_FCALL) {
200		/* nothing to do */
201	136k	} else if (fcall->opcode == ZEND_INIT_FCALL_BY_NAME) {
202	1.53k	fcall->opcode = ZEND_INIT_FCALL;
203	1.53k	fcall->op1.num = zend_vm_calc_used_stack(fcall->extended_value, call_stack[call].func);
204	1.53k	literal_dtor(&ZEND_OP2_LITERAL(fcall));
205	1.53k	fcall->op2.constant = fcall->op2.constant + 1;
206	8.96k	} else if (fcall->opcode == ZEND_INIT_NS_FCALL_BY_NAME) {
207	402	fcall->opcode = ZEND_INIT_FCALL;
208	402	fcall->op1.num = zend_vm_calc_used_stack(fcall->extended_value, call_stack[call].func);
209	402	literal_dtor(&op_array->literals[fcall->op2.constant]);
210	402	literal_dtor(&op_array->literals[fcall->op2.constant + 2]);
211	402	fcall->op2.constant = fcall->op2.constant + 1;
212	8.56k	} else if (fcall->opcode == ZEND_INIT_STATIC_METHOD_CALL
213	4.36k	\|\| fcall->opcode == ZEND_INIT_METHOD_CALL
214	3.70k	\|\| fcall->opcode == ZEND_INIT_PARENT_PROPERTY_HOOK_CALL
215	8.56k	\|\| fcall->opcode == ZEND_NEW) {
216		/* We don't have specialized opcodes for this, do nothing */
217	8.56k	} else {
218	0	ZEND_UNREACHABLE();
219	0	}
220
221		/* If the INIT opcode changed the DO opcode can also change to
222		* a more optimized one.
223		*
224		* At this point we also know whether or not the result of
225		* the DO opcode is used, allowing to optimize calls to
226		* ZEND_ACC_NODISCARD functions. */
227	146k	if (opline->opcode != ZEND_CALLABLE_CONVERT && opline->opcode != ZEND_CALLABLE_CONVERT_PARTIAL) {
228	145k	opline->opcode = zend_get_call_op(fcall, call_stack[call].func, !RESULT_UNUSED(opline));
229	145k	}
230
231	146k	if ((ZEND_OPTIMIZER_PASS_16 & ctx->optimization_level)
232	146k	&& call_stack[call].try_inline
233	139k	&& opline->opcode != ZEND_CALLABLE_CONVERT
234	139k	&& opline->opcode != ZEND_CALLABLE_CONVERT_PARTIAL) {
235	138k	zend_try_inline_call(op_array, fcall, opline, call_stack[call].func);
236	138k	}
237	146k	}
238	269k	call_stack[call].func = NULL;
239	269k	call_stack[call].opline = NULL;
240	269k	call_stack[call].try_inline = false;
241	269k	call_stack[call].func_arg_num = (uint32_t)-1;
242	269k	break;
243	105	case ZEND_FETCH_FUNC_ARG:
244	414	case ZEND_FETCH_STATIC_PROP_FUNC_ARG:
245	944	case ZEND_FETCH_OBJ_FUNC_ARG:
246	1.75k	case ZEND_FETCH_DIM_FUNC_ARG:
247	1.75k	if (call_stack[call - 1].func_arg_num != (uint32_t)-1
248	170	&& has_known_send_mode(&call_stack[call - 1], call_stack[call - 1].func_arg_num)) {
249	170	if (ARG_SHOULD_BE_SENT_BY_REF(call_stack[call - 1].func, call_stack[call - 1].func_arg_num)) {
250		/* There's no TMP specialization for FETCH_OBJ_W/FETCH_DIM_W. Avoid
251		* converting it and error at runtime in the FUNC_ARG variant. */
252	48	if ((opline->opcode == ZEND_FETCH_OBJ_FUNC_ARG \|\| opline->opcode == ZEND_FETCH_DIM_FUNC_ARG)
253	48	&& (opline->op1_type == IS_TMP_VAR \|\| call_stack[call - 1].last_check_func_arg_opline == NULL)) {
254		/* Don't remove the associated CHECK_FUNC_ARG opcode. */
255	8	call_stack[call - 1].last_check_func_arg_opline = NULL;
256	8	break;
257	8	}
258	40	if (opline->opcode != ZEND_FETCH_STATIC_PROP_FUNC_ARG) {
259	40	opline->opcode -= 9;
260	40	} else {
261	0	opline->opcode = ZEND_FETCH_STATIC_PROP_W;
262	0	}
263	122	} else {
264	122	if (opline->opcode == ZEND_FETCH_DIM_FUNC_ARG
265	44	&& opline->op2_type == IS_UNUSED) {
266		/* FETCH_DIM_FUNC_ARG supports UNUSED op2, while FETCH_DIM_R does not.
267		* Performing the replacement would create an invalid opcode. */
268	14	call_stack[call - 1].try_inline = false;
269	14	break;
270	14	}
271
272	108	if (opline->opcode != ZEND_FETCH_STATIC_PROP_FUNC_ARG) {
273	108	opline->opcode -= 12;
274	108	} else {
275	0	opline->opcode = ZEND_FETCH_STATIC_PROP_R;
276	0	}
277	108	}
278	170	}
279	1.73k	break;
280	22.4k	case ZEND_SEND_VAL_EX:
281	22.4k	if (opline->op2_type == IS_CONST) {
282	1.30k	call_stack[call - 1].try_inline = false;
283	1.30k	break;
284	1.30k	}
285
286	21.1k	if (has_known_send_mode(&call_stack[call - 1], opline->op2.num)) {
287	1.02k	if (!ARG_MUST_BE_SENT_BY_REF(call_stack[call - 1].func, opline->op2.num)) {
288	967	opline->opcode = ZEND_SEND_VAL;
289	967	}
290	1.02k	}
291	21.1k	break;
292	1.60k	case ZEND_CHECK_FUNC_ARG:
293	1.60k	if (opline->op2_type == IS_CONST) {
294	216	call_stack[call - 1].try_inline = false;
295	216	call_stack[call - 1].func_arg_num = (uint32_t)-1;
296	216	break;
297	216	}
298
299	1.39k	if (has_known_send_mode(&call_stack[call - 1], opline->op2.num)) {
300	168	call_stack[call - 1].func_arg_num = opline->op2.num;
301	168	call_stack[call - 1].last_check_func_arg_opline = opline;
302	168	}
303	1.39k	break;
304	1.60k	case ZEND_SEND_FUNC_ARG:
305		/* Don't transform SEND_FUNC_ARG if any FETCH opcodes weren't transformed. */
306	1.60k	if (call_stack[call - 1].last_check_func_arg_opline == NULL) {
307	1.44k	if (opline->op2_type == IS_CONST) {
308	216	call_stack[call - 1].try_inline = false;
309	216	}
310	1.44k	break;
311	1.44k	}
312	160	MAKE_NOP(call_stack[call - 1].last_check_func_arg_opline);
313	160	call_stack[call - 1].last_check_func_arg_opline = NULL;
314	160	ZEND_FALLTHROUGH;
315	15.0k	case ZEND_SEND_VAR_EX:
316	15.0k	if (opline->op2_type == IS_CONST) {
317	681	call_stack[call - 1].try_inline = false;
318	681	break;
319	681	}
320
321	14.3k	if (has_known_send_mode(&call_stack[call - 1], opline->op2.num)) {
322	1.49k	call_stack[call - 1].func_arg_num = (uint32_t)-1;
323	1.49k	if (ARG_SHOULD_BE_SENT_BY_REF(call_stack[call - 1].func, opline->op2.num)) {
324	61	opline->opcode = ZEND_SEND_REF;
325	1.43k	} else {
326	1.43k	opline->opcode = ZEND_SEND_VAR;
327	1.43k	}
328	1.49k	}
329	14.3k	break;
330	2.35k	case ZEND_SEND_VAR_NO_REF_EX:
331	2.35k	if (opline->op2_type == IS_CONST) {
332	220	call_stack[call - 1].try_inline = false;
333	220	break;
334	220	}
335
336	2.13k	if (has_known_send_mode(&call_stack[call - 1], opline->op2.num)) {
337	232	if (ARG_MUST_BE_SENT_BY_REF(call_stack[call - 1].func, opline->op2.num)) {
338	156	opline->opcode = ZEND_SEND_VAR_NO_REF;
339	156	} else if (ARG_MAY_BE_SENT_BY_REF(call_stack[call - 1].func, opline->op2.num)) {
340	0	opline->opcode = ZEND_SEND_VAL;
341	76	} else {
342	76	opline->opcode = ZEND_SEND_VAR;
343	76	}
344	232	}
345	2.13k	break;
346	137k	case ZEND_SEND_VAL:
347	207k	case ZEND_SEND_VAR:
348	210k	case ZEND_SEND_REF:
349	210k	if (opline->op2_type == IS_CONST) {
350	1.44k	call_stack[call - 1].try_inline = false;
351	1.44k	break;
352	1.44k	}
353	208k	break;
354	208k	case ZEND_SEND_UNPACK:
355	4.82k	case ZEND_SEND_USER:
356	5.59k	case ZEND_SEND_ARRAY:
357	5.59k	call_stack[call - 1].try_inline = false;
358	5.59k	break;
359	2.02M	default:
360	2.02M	break;
361	2.82M	}
362	2.82M	opline++;
363	2.82M	}
364
365	112k	zend_arena_release(&ctx->arena, checkpoint);
366	112k	}