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Optimize POST_INC_OBJ + FREE into PRE_INC_OBJ (in the same way as simple POST_INC)

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This commit is contained in:
Dmitry Stogov
2017-09-18 14:56:55 +03:00
parent 8109ebbd05
commit f63bfea105
2 changed files with 4 additions and 0 deletions
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ext/opcache/Optimizer/block_pass.c
+2
View File
@@ -1750,6 +1750,8 @@ static void zend_t_usage(zend_cfg *cfg, zend_op_array *op_array, zend_bitset use
switch (opline->opcode) {
case ZEND_POST_INC:
case ZEND_POST_DEC:
case ZEND_POST_INC_OBJ:
case ZEND_POST_DEC_OBJ:
opline->opcode -= 2;
opline->result_type = IS_UNUSED;
break;
ext/opcache/Optimizer/pass3.c
+2
View File
@@ -427,6 +427,8 @@ continue_jmpznz_optimization:
}
break;
case ZEND_POST_INC_OBJ:
case ZEND_POST_DEC_OBJ:
case ZEND_POST_INC:
case ZEND_POST_DEC: {
/* POST_INC, FREE => PRE_INC */