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Expose zend_ssa_is_no_val_use()

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This commit is contained in:
Dmitry Stogov 2017-04-03 16:57:29 +03:00
parent 6ab2c558f1
commit bd78dc578e
2 changed files with 17 additions and 17 deletions
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19
ext/opcache/Optimizer/zend_inference.c
View File

@ -241,21 +241,6 @@ int zend_ssa_find_sccs(const zend_op_array *op_array, zend_ssa *ssa) /* {{{ */
}
/* }}} */
static inline zend_bool is_no_val_use(const zend_op *opline, const zend_ssa_op *ssa_op, int var)
{
if (opline->opcode == ZEND_ASSIGN ||
(opline->opcode == ZEND_UNSET_VAR && (opline->extended_value & ZEND_QUICK_SET))) {
return ssa_op->op1_use == var && ssa_op->op2_use != var;
}
if (opline->opcode == ZEND_FE_FETCH_R) {
return ssa_op->op2_use == var && ssa_op->op1_use != var;
}
if (ssa_op->result_use == var && opline->opcode != ZEND_ADD_ARRAY_ELEMENT) {
return 1;
}
return 0;
}
int zend_ssa_find_false_dependencies(const zend_op_array *op_array, zend_ssa *ssa) /* {{{ */
{
zend_ssa_var *ssa_vars = ssa->vars;
@ -277,7 +262,7 @@ int zend_ssa_find_false_dependencies(const zend_op_array *op_array, zend_ssa *ss
ssa_vars[i].no_val = 1; /* mark as unused */
use = ssa->vars[i].use_chain;
while (use >= 0) {
if (!is_no_val_use(&op_array->opcodes[use], &ssa->ops[use], i)) {
if (!zend_ssa_is_no_val_use(&op_array->opcodes[use], &ssa->ops[use], i)) {
ssa_vars[i].no_val = 0; /* used directly */
zend_bitset_incl(worklist, i);
break;
@ -3395,7 +3380,7 @@ static zend_bool can_convert_to_double(
zend_op *opline = &op_array->opcodes[use];
zend_ssa_op *ssa_op = &ssa->ops[use];
if (is_no_val_use(opline, ssa_op, var_num)) {
if (zend_ssa_is_no_val_use(opline, ssa_op, var_num)) {
continue;
}

15
ext/opcache/Optimizer/zend_ssa.h
View File

@ -157,6 +157,21 @@ static zend_always_inline zend_ssa_phi* zend_ssa_next_use_phi(const zend_ssa *ss
return NULL;
}
static zend_always_inline zend_bool zend_ssa_is_no_val_use(const zend_op *opline, const zend_ssa_op *ssa_op, int var)
{
if (opline->opcode == ZEND_ASSIGN ||
(opline->opcode == ZEND_UNSET_VAR && (opline->extended_value & ZEND_QUICK_SET))) {
return ssa_op->op1_use == var && ssa_op->op2_use != var;
}
if (opline->opcode == ZEND_FE_FETCH_R) {
return ssa_op->op2_use == var && ssa_op->op1_use != var;
}
if (ssa_op->result_use == var && opline->opcode != ZEND_ADD_ARRAY_ELEMENT) {
return 1;
}
return 0;
}
#endif /* ZEND_SSA_H */
/*