| #include "Python.h" |
| #include "pycore_optimizer.h" |
| #include "pycore_uops.h" |
| #include "pycore_uop_ids.h" |
| #include "internal/pycore_moduleobject.h" |
| |
| #define op(name, ...) /* NAME is ignored */ |
| |
| typedef struct _Py_UOpsAbstractFrame _Py_UOpsAbstractFrame; |
| |
| /* Shortened forms for convenience */ |
| #define sym_is_not_null _Py_uop_sym_is_not_null |
| #define sym_is_const _Py_uop_sym_is_const |
| #define sym_get_const _Py_uop_sym_get_const |
| #define sym_new_unknown _Py_uop_sym_new_unknown |
| #define sym_new_not_null _Py_uop_sym_new_not_null |
| #define sym_new_type _Py_uop_sym_new_type |
| #define sym_is_null _Py_uop_sym_is_null |
| #define sym_new_const _Py_uop_sym_new_const |
| #define sym_new_null _Py_uop_sym_new_null |
| #define sym_matches_type _Py_uop_sym_matches_type |
| #define sym_matches_type_version _Py_uop_sym_matches_type_version |
| #define sym_get_type _Py_uop_sym_get_type |
| #define sym_has_type _Py_uop_sym_has_type |
| #define sym_set_null(SYM) _Py_uop_sym_set_null(ctx, SYM) |
| #define sym_set_non_null(SYM) _Py_uop_sym_set_non_null(ctx, SYM) |
| #define sym_set_type(SYM, TYPE) _Py_uop_sym_set_type(ctx, SYM, TYPE) |
| #define sym_set_type_version(SYM, VERSION) _Py_uop_sym_set_type_version(ctx, SYM, VERSION) |
| #define sym_set_const(SYM, CNST) _Py_uop_sym_set_const(ctx, SYM, CNST) |
| #define sym_set_compact_int(SYM) _Py_uop_sym_set_compact_int(ctx, SYM) |
| #define sym_is_bottom _Py_uop_sym_is_bottom |
| #define frame_new _Py_uop_frame_new |
| #define frame_pop _Py_uop_frame_pop |
| #define sym_new_tuple _Py_uop_sym_new_tuple |
| #define sym_tuple_getitem _Py_uop_sym_tuple_getitem |
| #define sym_tuple_length _Py_uop_sym_tuple_length |
| #define sym_is_immortal _Py_uop_symbol_is_immortal |
| #define sym_new_compact_int _Py_uop_sym_new_compact_int |
| #define sym_is_compact_int _Py_uop_sym_is_compact_int |
| #define sym_new_truthiness _Py_uop_sym_new_truthiness |
| |
| extern int |
| optimize_to_bool( |
| _PyUOpInstruction *this_instr, |
| JitOptContext *ctx, |
| JitOptSymbol *value, |
| JitOptSymbol **result_ptr); |
| |
| extern void |
| eliminate_pop_guard(_PyUOpInstruction *this_instr, bool exit); |
| |
| extern PyCodeObject *get_code(_PyUOpInstruction *op); |
| |
| static int |
| dummy_func(void) { |
| |
| PyCodeObject *co; |
| int oparg; |
| JitOptSymbol *flag; |
| JitOptSymbol *left; |
| JitOptSymbol *right; |
| JitOptSymbol *value; |
| JitOptSymbol *res; |
| JitOptSymbol *iter; |
| JitOptSymbol *top; |
| JitOptSymbol *bottom; |
| _Py_UOpsAbstractFrame *frame; |
| _Py_UOpsAbstractFrame *new_frame; |
| JitOptContext *ctx; |
| _PyUOpInstruction *this_instr; |
| _PyBloomFilter *dependencies; |
| int modified; |
| int curr_space; |
| int max_space; |
| _PyUOpInstruction *first_valid_check_stack; |
| _PyUOpInstruction *corresponding_check_stack; |
| |
| // BEGIN BYTECODES // |
| |
| op(_LOAD_FAST_CHECK, (-- value)) { |
| value = GETLOCAL(oparg); |
| // We guarantee this will error - just bail and don't optimize it. |
| if (sym_is_null(value)) { |
| ctx->done = true; |
| } |
| } |
| |
| op(_LOAD_FAST, (-- value)) { |
| value = GETLOCAL(oparg); |
| } |
| |
| op(_LOAD_FAST_BORROW, (-- value)) { |
| value = PyJitRef_Borrow(GETLOCAL(oparg)); |
| } |
| |
| op(_LOAD_FAST_AND_CLEAR, (-- value)) { |
| value = GETLOCAL(oparg); |
| JitOptRef temp = sym_new_null(ctx); |
| GETLOCAL(oparg) = temp; |
| } |
| |
| op(_STORE_FAST, (value --)) { |
| GETLOCAL(oparg) = value; |
| } |
| |
| op(_PUSH_NULL, (-- res)) { |
| res = sym_new_null(ctx); |
| } |
| |
| op(_GUARD_TOS_INT, (value -- value)) { |
| if (sym_is_compact_int(value)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| else { |
| if (sym_get_type(value) == &PyLong_Type) { |
| REPLACE_OP(this_instr, _GUARD_TOS_OVERFLOWED, 0, 0); |
| } |
| sym_set_compact_int(value); |
| } |
| } |
| |
| op(_GUARD_NOS_INT, (left, unused -- left, unused)) { |
| if (sym_is_compact_int(left)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| else { |
| if (sym_get_type(left) == &PyLong_Type) { |
| REPLACE_OP(this_instr, _GUARD_NOS_OVERFLOWED, 0, 0); |
| } |
| sym_set_compact_int(left); |
| } |
| } |
| |
| op(_CHECK_ATTR_CLASS, (type_version/2, owner -- owner)) { |
| PyObject *type = (PyObject *)_PyType_LookupByVersion(type_version); |
| if (type) { |
| if (type == sym_get_const(ctx, owner)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| else { |
| sym_set_const(owner, type); |
| } |
| } |
| } |
| |
| op(_GUARD_TYPE_VERSION, (type_version/2, owner -- owner)) { |
| assert(type_version); |
| if (sym_matches_type_version(owner, type_version)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } else { |
| // add watcher so that whenever the type changes we invalidate this |
| PyTypeObject *type = _PyType_LookupByVersion(type_version); |
| // if the type is null, it was not found in the cache (there was a conflict) |
| // with the key, in which case we can't trust the version |
| if (type) { |
| // if the type version was set properly, then add a watcher |
| // if it wasn't this means that the type version was previously set to something else |
| // and we set the owner to bottom, so we don't need to add a watcher because we must have |
| // already added one earlier. |
| if (sym_set_type_version(owner, type_version)) { |
| PyType_Watch(TYPE_WATCHER_ID, (PyObject *)type); |
| _Py_BloomFilter_Add(dependencies, type); |
| } |
| } |
| |
| } |
| } |
| |
| op(_GUARD_TOS_FLOAT, (value -- value)) { |
| if (sym_matches_type(value, &PyFloat_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(value, &PyFloat_Type); |
| } |
| |
| op(_GUARD_NOS_FLOAT, (left, unused -- left, unused)) { |
| if (sym_matches_type(left, &PyFloat_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(left, &PyFloat_Type); |
| } |
| |
| op(_BINARY_OP, (lhs, rhs -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(lhs, rhs); |
| bool lhs_int = sym_matches_type(lhs, &PyLong_Type); |
| bool rhs_int = sym_matches_type(rhs, &PyLong_Type); |
| bool lhs_float = sym_matches_type(lhs, &PyFloat_Type); |
| bool rhs_float = sym_matches_type(rhs, &PyFloat_Type); |
| if (!((lhs_int || lhs_float) && (rhs_int || rhs_float))) { |
| // There's something other than an int or float involved: |
| res = sym_new_unknown(ctx); |
| } |
| else if (oparg == NB_POWER || oparg == NB_INPLACE_POWER) { |
| // This one's fun... the *type* of the result depends on the |
| // *values* being exponentiated. However, exponents with one |
| // constant part are reasonably common, so it's probably worth |
| // trying to infer some simple cases: |
| // - A: 1 ** 1 -> 1 (int ** int -> int) |
| // - B: 1 ** -1 -> 1.0 (int ** int -> float) |
| // - C: 1.0 ** 1 -> 1.0 (float ** int -> float) |
| // - D: 1 ** 1.0 -> 1.0 (int ** float -> float) |
| // - E: -1 ** 0.5 ~> 1j (int ** float -> complex) |
| // - F: 1.0 ** 1.0 -> 1.0 (float ** float -> float) |
| // - G: -1.0 ** 0.5 ~> 1j (float ** float -> complex) |
| if (rhs_float) { |
| // Case D, E, F, or G... can't know without the sign of the LHS |
| // or whether the RHS is whole, which isn't worth the effort: |
| res = sym_new_unknown(ctx); |
| } |
| else if (lhs_float) { |
| // Case C: |
| res = sym_new_type(ctx, &PyFloat_Type); |
| } |
| else if (!sym_is_const(ctx, rhs)) { |
| // Case A or B... can't know without the sign of the RHS: |
| res = sym_new_unknown(ctx); |
| } |
| else if (_PyLong_IsNegative((PyLongObject *)sym_get_const(ctx, rhs))) { |
| // Case B: |
| res = sym_new_type(ctx, &PyFloat_Type); |
| } |
| else { |
| // Case A: |
| res = sym_new_type(ctx, &PyLong_Type); |
| } |
| } |
| else if (oparg == NB_TRUE_DIVIDE || oparg == NB_INPLACE_TRUE_DIVIDE) { |
| res = sym_new_type(ctx, &PyFloat_Type); |
| } |
| else if (lhs_int && rhs_int) { |
| res = sym_new_type(ctx, &PyLong_Type); |
| } |
| else { |
| res = sym_new_type(ctx, &PyFloat_Type); |
| } |
| } |
| |
| op(_BINARY_OP_ADD_INT, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_compact_int(ctx); |
| } |
| |
| op(_BINARY_OP_SUBTRACT_INT, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_compact_int(ctx); |
| } |
| |
| op(_BINARY_OP_MULTIPLY_INT, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_compact_int(ctx); |
| } |
| |
| op(_BINARY_OP_ADD_FLOAT, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_type(ctx, &PyFloat_Type); |
| // TODO (gh-134584): Refactor this to use another uop |
| if (PyJitRef_IsBorrowed(left) && PyJitRef_IsBorrowed(right)) { |
| REPLACE_OP(this_instr, op_without_decref_inputs[opcode], oparg, 0); |
| } |
| } |
| |
| op(_BINARY_OP_SUBTRACT_FLOAT, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_type(ctx, &PyFloat_Type); |
| // TODO (gh-134584): Refactor this to use another uop |
| if (PyJitRef_IsBorrowed(left) && PyJitRef_IsBorrowed(right)) { |
| REPLACE_OP(this_instr, op_without_decref_inputs[opcode], oparg, 0); |
| } |
| } |
| |
| op(_BINARY_OP_MULTIPLY_FLOAT, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_type(ctx, &PyFloat_Type); |
| // TODO (gh-134584): Refactor this to use another uop |
| if (PyJitRef_IsBorrowed(left) && PyJitRef_IsBorrowed(right)) { |
| REPLACE_OP(this_instr, op_without_decref_inputs[opcode], oparg, 0); |
| } |
| } |
| |
| op(_BINARY_OP_ADD_UNICODE, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_type(ctx, &PyUnicode_Type); |
| } |
| |
| op(_BINARY_OP_INPLACE_ADD_UNICODE, (left, right -- )) { |
| JitOptRef res; |
| if (sym_is_const(ctx, left) && sym_is_const(ctx, right)) { |
| assert(PyUnicode_CheckExact(sym_get_const(ctx, left))); |
| assert(PyUnicode_CheckExact(sym_get_const(ctx, right))); |
| PyObject *temp = PyUnicode_Concat(sym_get_const(ctx, left), sym_get_const(ctx, right)); |
| if (temp == NULL) { |
| goto error; |
| } |
| res = sym_new_const(ctx, temp); |
| Py_DECREF(temp); |
| } |
| else { |
| res = sym_new_type(ctx, &PyUnicode_Type); |
| } |
| // _STORE_FAST: |
| GETLOCAL(this_instr->operand0) = res; |
| } |
| |
| op(_BINARY_OP_SUBSCR_INIT_CALL, (container, sub, getitem -- new_frame)) { |
| new_frame = PyJitRef_NULL; |
| ctx->done = true; |
| } |
| |
| op(_BINARY_OP_SUBSCR_STR_INT, (str_st, sub_st -- res)) { |
| res = sym_new_type(ctx, &PyUnicode_Type); |
| } |
| |
| op(_BINARY_OP_SUBSCR_TUPLE_INT, (tuple_st, sub_st -- res)) { |
| assert(sym_matches_type(tuple_st, &PyTuple_Type)); |
| if (sym_is_const(ctx, sub_st)) { |
| assert(PyLong_CheckExact(sym_get_const(ctx, sub_st))); |
| long index = PyLong_AsLong(sym_get_const(ctx, sub_st)); |
| assert(index >= 0); |
| Py_ssize_t tuple_length = sym_tuple_length(tuple_st); |
| if (tuple_length == -1) { |
| // Unknown length |
| res = sym_new_not_null(ctx); |
| } |
| else { |
| assert(index < tuple_length); |
| res = sym_tuple_getitem(ctx, tuple_st, index); |
| } |
| } |
| else { |
| res = sym_new_not_null(ctx); |
| } |
| } |
| |
| op(_TO_BOOL, (value -- res)) { |
| int already_bool = optimize_to_bool(this_instr, ctx, value, &res); |
| if (!already_bool) { |
| res = sym_new_truthiness(ctx, value, true); |
| } |
| } |
| |
| op(_TO_BOOL_BOOL, (value -- value)) { |
| int already_bool = optimize_to_bool(this_instr, ctx, value, &value); |
| if (!already_bool) { |
| sym_set_type(value, &PyBool_Type); |
| value = sym_new_truthiness(ctx, value, true); |
| } |
| } |
| |
| op(_TO_BOOL_INT, (value -- res)) { |
| int already_bool = optimize_to_bool(this_instr, ctx, value, &res); |
| if (!already_bool) { |
| sym_set_type(value, &PyLong_Type); |
| res = sym_new_truthiness(ctx, value, true); |
| } |
| } |
| |
| op(_TO_BOOL_LIST, (value -- res)) { |
| int already_bool = optimize_to_bool(this_instr, ctx, value, &res); |
| if (!already_bool) { |
| res = sym_new_type(ctx, &PyBool_Type); |
| } |
| } |
| |
| op(_TO_BOOL_NONE, (value -- res)) { |
| int already_bool = optimize_to_bool(this_instr, ctx, value, &res); |
| if (!already_bool) { |
| sym_set_const(value, Py_None); |
| res = sym_new_const(ctx, Py_False); |
| } |
| } |
| |
| op(_GUARD_NOS_UNICODE, (nos, unused -- nos, unused)) { |
| if (sym_matches_type(nos, &PyUnicode_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(nos, &PyUnicode_Type); |
| } |
| |
| op(_GUARD_TOS_UNICODE, (value -- value)) { |
| if (sym_matches_type(value, &PyUnicode_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(value, &PyUnicode_Type); |
| } |
| |
| op(_TO_BOOL_STR, (value -- res)) { |
| int already_bool = optimize_to_bool(this_instr, ctx, value, &res); |
| if (!already_bool) { |
| res = sym_new_truthiness(ctx, value, true); |
| } |
| } |
| |
| op(_UNARY_NOT, (value -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(value); |
| sym_set_type(value, &PyBool_Type); |
| res = sym_new_truthiness(ctx, value, false); |
| } |
| |
| op(_UNARY_NEGATIVE, (value -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(value); |
| if (sym_is_compact_int(value)) { |
| res = sym_new_compact_int(ctx); |
| } |
| else { |
| PyTypeObject *type = sym_get_type(value); |
| if (type == &PyLong_Type || type == &PyFloat_Type) { |
| res = sym_new_type(ctx, type); |
| } |
| else { |
| res = sym_new_not_null(ctx); |
| } |
| } |
| } |
| |
| op(_UNARY_INVERT, (value -- res)) { |
| // Required to avoid a warning due to the deprecation of bitwise inversion of bools |
| if (!sym_matches_type(value, &PyBool_Type)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(value); |
| } |
| if (sym_matches_type(value, &PyLong_Type)) { |
| res = sym_new_type(ctx, &PyLong_Type); |
| } |
| else { |
| res = sym_new_not_null(ctx); |
| } |
| } |
| |
| op(_COMPARE_OP, (left, right -- res)) { |
| // Comparison between bytes and str or int is not impacted by this optimization as bytes |
| // is not a safe type (due to its ability to raise a warning during comparisons). |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| if (oparg & 16) { |
| res = sym_new_type(ctx, &PyBool_Type); |
| } |
| else { |
| res = _Py_uop_sym_new_not_null(ctx); |
| } |
| } |
| |
| op(_COMPARE_OP_INT, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_type(ctx, &PyBool_Type); |
| } |
| |
| op(_COMPARE_OP_FLOAT, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_type(ctx, &PyBool_Type); |
| } |
| |
| op(_COMPARE_OP_STR, (left, right -- res)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| res = sym_new_type(ctx, &PyBool_Type); |
| } |
| |
| op(_IS_OP, (left, right -- b)) { |
| b = sym_new_type(ctx, &PyBool_Type); |
| } |
| |
| op(_CONTAINS_OP, (left, right -- b)) { |
| REPLACE_OPCODE_IF_EVALUATES_PURE(left, right); |
| b = sym_new_type(ctx, &PyBool_Type); |
| } |
| |
| op(_CONTAINS_OP_SET, (left, right -- b)) { |
| b = sym_new_type(ctx, &PyBool_Type); |
| } |
| |
| op(_CONTAINS_OP_DICT, (left, right -- b)) { |
| b = sym_new_type(ctx, &PyBool_Type); |
| } |
| |
| op(_LOAD_CONST, (-- value)) { |
| PyObject *val = PyTuple_GET_ITEM(co->co_consts, oparg); |
| REPLACE_OP(this_instr, _LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)val); |
| value = PyJitRef_Borrow(sym_new_const(ctx, val)); |
| } |
| |
| op(_LOAD_SMALL_INT, (-- value)) { |
| PyObject *val = PyLong_FromLong(oparg); |
| assert(val); |
| assert(_Py_IsImmortal(val)); |
| REPLACE_OP(this_instr, _LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)val); |
| value = PyJitRef_Borrow(sym_new_const(ctx, val)); |
| } |
| |
| op(_LOAD_CONST_INLINE, (ptr/4 -- value)) { |
| value = sym_new_const(ctx, ptr); |
| } |
| |
| op(_LOAD_CONST_INLINE_BORROW, (ptr/4 -- value)) { |
| value = PyJitRef_Borrow(sym_new_const(ctx, ptr)); |
| } |
| |
| op(_POP_TOP_LOAD_CONST_INLINE, (ptr/4, pop -- value)) { |
| value = sym_new_const(ctx, ptr); |
| } |
| |
| op(_POP_TOP_LOAD_CONST_INLINE_BORROW, (ptr/4, pop -- value)) { |
| value = PyJitRef_Borrow(sym_new_const(ctx, ptr)); |
| } |
| |
| op(_POP_CALL_LOAD_CONST_INLINE_BORROW, (ptr/4, unused, unused -- value)) { |
| value = PyJitRef_Borrow(sym_new_const(ctx, ptr)); |
| } |
| |
| op(_POP_CALL_ONE_LOAD_CONST_INLINE_BORROW, (ptr/4, unused, unused, unused -- value)) { |
| value = PyJitRef_Borrow(sym_new_const(ctx, ptr)); |
| } |
| |
| op(_POP_CALL_TWO_LOAD_CONST_INLINE_BORROW, (ptr/4, unused, unused, unused, unused -- value)) { |
| value = PyJitRef_Borrow(sym_new_const(ctx, ptr)); |
| } |
| |
| op(_POP_TOP, (value -- )) { |
| PyTypeObject *typ = sym_get_type(value); |
| if (PyJitRef_IsBorrowed(value) || |
| sym_is_immortal(PyJitRef_Unwrap(value)) || |
| sym_is_null(value)) { |
| REPLACE_OP(this_instr, _POP_TOP_NOP, 0, 0); |
| } |
| else if (typ == &PyLong_Type) { |
| REPLACE_OP(this_instr, _POP_TOP_INT, 0, 0); |
| } |
| else if (typ == &PyFloat_Type) { |
| REPLACE_OP(this_instr, _POP_TOP_FLOAT, 0, 0); |
| } |
| else if (typ == &PyUnicode_Type) { |
| REPLACE_OP(this_instr, _POP_TOP_UNICODE, 0, 0); |
| } |
| } |
| |
| op(_COPY, (bottom, unused[oparg-1] -- bottom, unused[oparg-1], top)) { |
| assert(oparg > 0); |
| top = bottom; |
| } |
| |
| op(_SWAP, (bottom, unused[oparg-2], top -- bottom, unused[oparg-2], top)) { |
| JitOptRef temp = bottom; |
| bottom = top; |
| top = temp; |
| assert(oparg >= 2); |
| } |
| |
| op(_LOAD_ATTR_INSTANCE_VALUE, (offset/1, owner -- attr)) { |
| attr = sym_new_not_null(ctx); |
| (void)offset; |
| } |
| |
| op(_LOAD_ATTR_MODULE, (dict_version/2, index/1, owner -- attr)) { |
| (void)dict_version; |
| (void)index; |
| attr = PyJitRef_NULL; |
| if (sym_is_const(ctx, owner)) { |
| PyModuleObject *mod = (PyModuleObject *)sym_get_const(ctx, owner); |
| if (PyModule_CheckExact(mod)) { |
| PyObject *dict = mod->md_dict; |
| uint64_t watched_mutations = get_mutations(dict); |
| if (watched_mutations < _Py_MAX_ALLOWED_GLOBALS_MODIFICATIONS) { |
| PyDict_Watch(GLOBALS_WATCHER_ID, dict); |
| _Py_BloomFilter_Add(dependencies, dict); |
| PyObject *res = convert_global_to_const(this_instr, dict, true); |
| if (res == NULL) { |
| attr = sym_new_not_null(ctx); |
| } |
| else { |
| attr = sym_new_const(ctx, res); |
| } |
| |
| } |
| } |
| } |
| if (PyJitRef_IsNull(attr)) { |
| /* No conversion made. We don't know what `attr` is. */ |
| attr = sym_new_not_null(ctx); |
| } |
| } |
| |
| op (_PUSH_NULL_CONDITIONAL, ( -- null[oparg & 1])) { |
| if (oparg & 1) { |
| REPLACE_OP(this_instr, _PUSH_NULL, 0, 0); |
| null[0] = sym_new_null(ctx); |
| } |
| else { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| } |
| |
| op(_LOAD_ATTR, (owner -- attr[1], self_or_null[oparg&1])) { |
| (void)owner; |
| *attr = sym_new_not_null(ctx); |
| if (oparg & 1) { |
| self_or_null[0] = sym_new_unknown(ctx); |
| } |
| } |
| |
| op(_LOAD_ATTR_WITH_HINT, (hint/1, owner -- attr)) { |
| attr = sym_new_not_null(ctx); |
| (void)hint; |
| } |
| |
| op(_LOAD_ATTR_SLOT, (index/1, owner -- attr)) { |
| attr = sym_new_not_null(ctx); |
| (void)index; |
| } |
| |
| op(_LOAD_ATTR_CLASS, (descr/4, owner -- attr)) { |
| (void)descr; |
| PyTypeObject *type = (PyTypeObject *)sym_get_const(ctx, owner); |
| PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1); |
| attr = lookup_attr(ctx, this_instr, type, name, |
| _POP_TOP_LOAD_CONST_INLINE_BORROW, |
| _POP_TOP_LOAD_CONST_INLINE); |
| } |
| |
| op(_LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES, (descr/4, owner -- attr)) { |
| (void)descr; |
| PyTypeObject *type = sym_get_type(owner); |
| PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1); |
| attr = lookup_attr(ctx, this_instr, type, name, |
| _POP_TOP_LOAD_CONST_INLINE_BORROW, |
| _POP_TOP_LOAD_CONST_INLINE); |
| } |
| |
| op(_LOAD_ATTR_NONDESCRIPTOR_NO_DICT, (descr/4, owner -- attr)) { |
| (void)descr; |
| PyTypeObject *type = sym_get_type(owner); |
| PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1); |
| attr = lookup_attr(ctx, this_instr, type, name, |
| _POP_TOP_LOAD_CONST_INLINE_BORROW, |
| _POP_TOP_LOAD_CONST_INLINE); |
| } |
| |
| op(_LOAD_ATTR_METHOD_WITH_VALUES, (descr/4, owner -- attr, self)) { |
| (void)descr; |
| PyTypeObject *type = sym_get_type(owner); |
| PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1); |
| attr = lookup_attr(ctx, this_instr, type, name, |
| _LOAD_CONST_UNDER_INLINE_BORROW, |
| _LOAD_CONST_UNDER_INLINE); |
| self = owner; |
| } |
| |
| op(_LOAD_ATTR_METHOD_NO_DICT, (descr/4, owner -- attr, self)) { |
| (void)descr; |
| PyTypeObject *type = sym_get_type(owner); |
| PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1); |
| attr = lookup_attr(ctx, this_instr, type, name, |
| _LOAD_CONST_UNDER_INLINE_BORROW, |
| _LOAD_CONST_UNDER_INLINE); |
| self = owner; |
| } |
| |
| op(_LOAD_ATTR_METHOD_LAZY_DICT, (descr/4, owner -- attr, self)) { |
| (void)descr; |
| PyTypeObject *type = sym_get_type(owner); |
| PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1); |
| attr = lookup_attr(ctx, this_instr, type, name, |
| _LOAD_CONST_UNDER_INLINE_BORROW, |
| _LOAD_CONST_UNDER_INLINE); |
| self = owner; |
| } |
| |
| op(_LOAD_ATTR_PROPERTY_FRAME, (fget/4, owner -- new_frame)) { |
| (void)fget; |
| new_frame = PyJitRef_NULL; |
| ctx->done = true; |
| } |
| |
| op(_INIT_CALL_BOUND_METHOD_EXACT_ARGS, (callable, self_or_null, unused[oparg] -- callable, self_or_null, unused[oparg])) { |
| callable = sym_new_not_null(ctx); |
| self_or_null = sym_new_not_null(ctx); |
| } |
| |
| op(_CHECK_FUNCTION_VERSION, (func_version/2, callable, self_or_null, unused[oparg] -- callable, self_or_null, unused[oparg])) { |
| if (sym_is_const(ctx, callable) && sym_matches_type(callable, &PyFunction_Type)) { |
| assert(PyFunction_Check(sym_get_const(ctx, callable))); |
| REPLACE_OP(this_instr, _CHECK_FUNCTION_VERSION_INLINE, 0, func_version); |
| this_instr->operand1 = (uintptr_t)sym_get_const(ctx, callable); |
| } |
| sym_set_type(callable, &PyFunction_Type); |
| } |
| |
| op(_CHECK_METHOD_VERSION, (func_version/2, callable, null, unused[oparg] -- callable, null, unused[oparg])) { |
| if (sym_is_const(ctx, callable) && sym_matches_type(callable, &PyMethod_Type)) { |
| PyMethodObject *method = (PyMethodObject *)sym_get_const(ctx, callable); |
| assert(PyMethod_Check(method)); |
| REPLACE_OP(this_instr, _CHECK_FUNCTION_VERSION_INLINE, 0, func_version); |
| this_instr->operand1 = (uintptr_t)method->im_func; |
| } |
| sym_set_type(callable, &PyMethod_Type); |
| } |
| |
| op(_CHECK_FUNCTION_EXACT_ARGS, (callable, self_or_null, unused[oparg] -- callable, self_or_null, unused[oparg])) { |
| assert(sym_matches_type(callable, &PyFunction_Type)); |
| if (sym_is_const(ctx, callable)) { |
| if (sym_is_null(self_or_null) || sym_is_not_null(self_or_null)) { |
| PyFunctionObject *func = (PyFunctionObject *)sym_get_const(ctx, callable); |
| PyCodeObject *co = (PyCodeObject *)func->func_code; |
| if (co->co_argcount == oparg + !sym_is_null(self_or_null)) { |
| REPLACE_OP(this_instr, _NOP, 0 ,0); |
| } |
| } |
| } |
| } |
| |
| op(_CHECK_CALL_BOUND_METHOD_EXACT_ARGS, (callable, null, unused[oparg] -- callable, null, unused[oparg])) { |
| sym_set_null(null); |
| sym_set_type(callable, &PyMethod_Type); |
| } |
| |
| op(_INIT_CALL_PY_EXACT_ARGS, (callable, self_or_null, args[oparg] -- new_frame)) { |
| int argcount = oparg; |
| |
| PyCodeObject *co = NULL; |
| assert((this_instr + 2)->opcode == _PUSH_FRAME); |
| co = get_code_with_logging((this_instr + 2)); |
| if (co == NULL) { |
| ctx->done = true; |
| break; |
| } |
| |
| |
| assert(!PyJitRef_IsNull(self_or_null)); |
| assert(args != NULL); |
| if (sym_is_not_null(self_or_null)) { |
| // Bound method fiddling, same as _INIT_CALL_PY_EXACT_ARGS in VM |
| args--; |
| argcount++; |
| } |
| |
| if (sym_is_null(self_or_null) || sym_is_not_null(self_or_null)) { |
| new_frame = PyJitRef_Wrap((JitOptSymbol *)frame_new(ctx, co, 0, args, argcount)); |
| } else { |
| new_frame = PyJitRef_Wrap((JitOptSymbol *)frame_new(ctx, co, 0, NULL, 0)); |
| } |
| } |
| |
| op(_MAYBE_EXPAND_METHOD, (callable, self_or_null, args[oparg] -- callable, self_or_null, args[oparg])) { |
| (void)args; |
| callable = sym_new_not_null(ctx); |
| self_or_null = sym_new_not_null(ctx); |
| } |
| |
| op(_PY_FRAME_GENERAL, (callable, self_or_null, args[oparg] -- new_frame)) { |
| PyCodeObject *co = NULL; |
| assert((this_instr + 2)->opcode == _PUSH_FRAME); |
| co = get_code_with_logging((this_instr + 2)); |
| if (co == NULL) { |
| ctx->done = true; |
| break; |
| } |
| |
| new_frame = PyJitRef_Wrap((JitOptSymbol *)frame_new(ctx, co, 0, NULL, 0)); |
| } |
| |
| op(_PY_FRAME_KW, (callable, self_or_null, args[oparg], kwnames -- new_frame)) { |
| new_frame = PyJitRef_NULL; |
| ctx->done = true; |
| } |
| |
| op(_CHECK_AND_ALLOCATE_OBJECT, (type_version/2, callable, self_or_null, args[oparg] -- callable, self_or_null, args[oparg])) { |
| (void)type_version; |
| (void)args; |
| callable = sym_new_not_null(ctx); |
| self_or_null = sym_new_not_null(ctx); |
| } |
| |
| op(_CREATE_INIT_FRAME, (init, self, args[oparg] -- init_frame)) { |
| init_frame = PyJitRef_NULL; |
| ctx->done = true; |
| } |
| |
| op(_RETURN_VALUE, (retval -- res)) { |
| // Mimics PyStackRef_MakeHeapSafe in the interpreter. |
| JitOptRef temp = PyJitRef_StripReferenceInfo(retval); |
| DEAD(retval); |
| SAVE_STACK(); |
| ctx->frame->stack_pointer = stack_pointer; |
| frame_pop(ctx); |
| stack_pointer = ctx->frame->stack_pointer; |
| |
| /* Stack space handling */ |
| assert(corresponding_check_stack == NULL); |
| assert(co != NULL); |
| int framesize = co->co_framesize; |
| assert(framesize > 0); |
| assert(framesize <= curr_space); |
| curr_space -= framesize; |
| |
| co = get_code(this_instr); |
| if (co == NULL) { |
| // might be impossible, but bailing is still safe |
| ctx->done = true; |
| } |
| RELOAD_STACK(); |
| res = temp; |
| } |
| |
| op(_RETURN_GENERATOR, ( -- res)) { |
| SYNC_SP(); |
| ctx->frame->stack_pointer = stack_pointer; |
| frame_pop(ctx); |
| stack_pointer = ctx->frame->stack_pointer; |
| res = sym_new_unknown(ctx); |
| |
| /* Stack space handling */ |
| assert(corresponding_check_stack == NULL); |
| assert(co != NULL); |
| int framesize = co->co_framesize; |
| assert(framesize > 0); |
| assert(framesize <= curr_space); |
| curr_space -= framesize; |
| |
| co = get_code(this_instr); |
| if (co == NULL) { |
| // might be impossible, but bailing is still safe |
| ctx->done = true; |
| } |
| } |
| |
| op(_YIELD_VALUE, (unused -- value)) { |
| value = sym_new_unknown(ctx); |
| } |
| |
| op(_GET_ITER, (iterable -- iter, index_or_null)) { |
| if (sym_matches_type(iterable, &PyTuple_Type) || sym_matches_type(iterable, &PyList_Type)) { |
| iter = iterable; |
| index_or_null = sym_new_not_null(ctx); |
| } |
| else { |
| iter = sym_new_not_null(ctx); |
| index_or_null = sym_new_unknown(ctx); |
| } |
| } |
| |
| op(_FOR_ITER_GEN_FRAME, (unused, unused -- unused, unused, gen_frame)) { |
| gen_frame = PyJitRef_NULL; |
| /* We are about to hit the end of the trace */ |
| ctx->done = true; |
| } |
| |
| op(_SEND_GEN_FRAME, (unused, unused -- unused, gen_frame)) { |
| gen_frame = PyJitRef_NULL; |
| // We are about to hit the end of the trace: |
| ctx->done = true; |
| } |
| |
| op(_CHECK_STACK_SPACE, (unused, unused, unused[oparg] -- unused, unused, unused[oparg])) { |
| assert(corresponding_check_stack == NULL); |
| corresponding_check_stack = this_instr; |
| } |
| |
| op (_CHECK_STACK_SPACE_OPERAND, (framesize/2 -- )) { |
| (void)framesize; |
| /* We should never see _CHECK_STACK_SPACE_OPERANDs. |
| * They are only created at the end of this pass. */ |
| Py_UNREACHABLE(); |
| } |
| |
| op(_PUSH_FRAME, (new_frame -- )) { |
| SYNC_SP(); |
| ctx->frame->stack_pointer = stack_pointer; |
| ctx->frame = (_Py_UOpsAbstractFrame *)PyJitRef_Unwrap(new_frame); |
| ctx->curr_frame_depth++; |
| stack_pointer = ctx->frame->stack_pointer; |
| co = get_code(this_instr); |
| if (co == NULL) { |
| // should be about to _EXIT_TRACE anyway |
| ctx->done = true; |
| break; |
| } |
| |
| /* Stack space handling */ |
| int framesize = co->co_framesize; |
| assert(framesize > 0); |
| curr_space += framesize; |
| if (curr_space < 0 || curr_space > INT32_MAX) { |
| // won't fit in signed 32-bit int |
| ctx->done = true; |
| break; |
| } |
| max_space = curr_space > max_space ? curr_space : max_space; |
| if (first_valid_check_stack == NULL) { |
| first_valid_check_stack = corresponding_check_stack; |
| } |
| else if (corresponding_check_stack) { |
| // delete all but the first valid _CHECK_STACK_SPACE |
| corresponding_check_stack->opcode = _NOP; |
| } |
| corresponding_check_stack = NULL; |
| } |
| |
| op(_UNPACK_SEQUENCE, (seq -- values[oparg], top[0])) { |
| (void)top; |
| /* This has to be done manually */ |
| for (int i = 0; i < oparg; i++) { |
| values[i] = sym_new_unknown(ctx); |
| } |
| } |
| |
| op(_UNPACK_EX, (seq -- values[oparg & 0xFF], unused, unused[oparg >> 8], top[0])) { |
| (void)top; |
| /* This has to be done manually */ |
| int totalargs = (oparg & 0xFF) + (oparg >> 8) + 1; |
| for (int i = 0; i < totalargs; i++) { |
| values[i] = sym_new_unknown(ctx); |
| } |
| } |
| |
| op(_ITER_CHECK_TUPLE, (iter, null_or_index -- iter, null_or_index)) { |
| if (sym_matches_type(iter, &PyTuple_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(iter, &PyTuple_Type); |
| } |
| |
| op(_ITER_NEXT_RANGE, (iter, null_or_index -- iter, null_or_index, next)) { |
| next = sym_new_type(ctx, &PyLong_Type); |
| } |
| |
| op(_CALL_TYPE_1, (unused, unused, arg -- res)) { |
| PyObject* type = (PyObject *)sym_get_type(arg); |
| if (type) { |
| res = sym_new_const(ctx, type); |
| REPLACE_OP(this_instr, _POP_CALL_ONE_LOAD_CONST_INLINE_BORROW, 0, |
| (uintptr_t)type); |
| } |
| else { |
| res = sym_new_not_null(ctx); |
| } |
| } |
| |
| op(_CALL_STR_1, (unused, unused, arg -- res)) { |
| if (sym_matches_type(arg, &PyUnicode_Type)) { |
| // e.g. str('foo') or str(foo) where foo is known to be a string |
| // Note: we must strip the reference information because it goes |
| // through str() which strips the reference information from it. |
| res = PyJitRef_StripReferenceInfo(arg); |
| } |
| else { |
| res = sym_new_type(ctx, &PyUnicode_Type); |
| } |
| } |
| |
| op(_CALL_ISINSTANCE, (unused, unused, instance, cls -- res)) { |
| // the result is always a bool, but sometimes we can |
| // narrow it down to True or False |
| res = sym_new_type(ctx, &PyBool_Type); |
| PyTypeObject *inst_type = sym_get_type(instance); |
| PyTypeObject *cls_o = (PyTypeObject *)sym_get_const(ctx, cls); |
| if (inst_type && cls_o && sym_matches_type(cls, &PyType_Type)) { |
| // isinstance(inst, cls) where both inst and cls have |
| // known types, meaning we can deduce either True or False |
| |
| // The below check is equivalent to PyObject_TypeCheck(inst, cls) |
| PyObject *out = Py_False; |
| if (inst_type == cls_o || PyType_IsSubtype(inst_type, cls_o)) { |
| out = Py_True; |
| } |
| sym_set_const(res, out); |
| REPLACE_OP(this_instr, _POP_CALL_TWO_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)out); |
| } |
| } |
| |
| op(_GUARD_IS_TRUE_POP, (flag -- )) { |
| if (sym_is_const(ctx, flag)) { |
| PyObject *value = sym_get_const(ctx, flag); |
| assert(value != NULL); |
| eliminate_pop_guard(this_instr, value != Py_True); |
| } |
| sym_set_const(flag, Py_True); |
| } |
| |
| op(_GUARD_IS_FALSE_POP, (flag -- )) { |
| if (sym_is_const(ctx, flag)) { |
| PyObject *value = sym_get_const(ctx, flag); |
| assert(value != NULL); |
| eliminate_pop_guard(this_instr, value != Py_False); |
| } |
| sym_set_const(flag, Py_False); |
| } |
| |
| op(_GUARD_IS_NONE_POP, (val -- )) { |
| if (sym_is_const(ctx, val)) { |
| PyObject *value = sym_get_const(ctx, val); |
| assert(value != NULL); |
| eliminate_pop_guard(this_instr, !Py_IsNone(value)); |
| } |
| else if (sym_has_type(val)) { |
| assert(!sym_matches_type(val, &_PyNone_Type)); |
| eliminate_pop_guard(this_instr, true); |
| } |
| sym_set_const(val, Py_None); |
| } |
| |
| op(_GUARD_IS_NOT_NONE_POP, (val -- )) { |
| if (sym_is_const(ctx, val)) { |
| PyObject *value = sym_get_const(ctx, val); |
| assert(value != NULL); |
| eliminate_pop_guard(this_instr, Py_IsNone(value)); |
| } |
| else if (sym_has_type(val)) { |
| assert(!sym_matches_type(val, &_PyNone_Type)); |
| eliminate_pop_guard(this_instr, false); |
| } |
| } |
| |
| op(_CHECK_PEP_523, (--)) { |
| /* Setting the eval frame function invalidates |
| * all executors, so no need to check dynamically */ |
| if (_PyInterpreterState_GET()->eval_frame == NULL) { |
| REPLACE_OP(this_instr, _NOP, 0 ,0); |
| } |
| } |
| |
| op(_INSERT_NULL, (self -- method_and_self[2])) { |
| method_and_self[0] = sym_new_null(ctx); |
| method_and_self[1] = self; |
| } |
| |
| op(_LOAD_SPECIAL, (method_and_self[2] -- method_and_self[2])) { |
| method_and_self[0] = sym_new_not_null(ctx); |
| method_and_self[1] = sym_new_unknown(ctx); |
| } |
| |
| op(_JUMP_TO_TOP, (--)) { |
| ctx->done = true; |
| } |
| |
| op(_EXIT_TRACE, (exit_p/4 --)) { |
| (void)exit_p; |
| ctx->done = true; |
| } |
| |
| op(_REPLACE_WITH_TRUE, (value -- res)) { |
| REPLACE_OP(this_instr, _POP_TOP_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)Py_True); |
| res = sym_new_const(ctx, Py_True); |
| } |
| |
| op(_BUILD_TUPLE, (values[oparg] -- tup)) { |
| tup = sym_new_tuple(ctx, oparg, values); |
| } |
| |
| op(_BUILD_LIST, (values[oparg] -- list)) { |
| list = sym_new_type(ctx, &PyList_Type); |
| } |
| |
| op(_BUILD_SLICE, (args[oparg] -- slice)) { |
| slice = sym_new_type(ctx, &PySlice_Type); |
| } |
| |
| op(_BUILD_MAP, (values[oparg*2] -- map)) { |
| map = sym_new_type(ctx, &PyDict_Type); |
| } |
| |
| op(_BUILD_STRING, (pieces[oparg] -- str)) { |
| str = sym_new_type(ctx, &PyUnicode_Type); |
| } |
| |
| op(_BUILD_SET, (values[oparg] -- set)) { |
| set = sym_new_type(ctx, &PySet_Type); |
| } |
| |
| op(_UNPACK_SEQUENCE_TWO_TUPLE, (seq -- val1, val0)) { |
| val0 = sym_tuple_getitem(ctx, seq, 0); |
| val1 = sym_tuple_getitem(ctx, seq, 1); |
| } |
| |
| op(_UNPACK_SEQUENCE_TUPLE, (seq -- values[oparg])) { |
| for (int i = 0; i < oparg; i++) { |
| values[i] = sym_tuple_getitem(ctx, seq, oparg - i - 1); |
| } |
| } |
| |
| op(_CALL_TUPLE_1, (callable, null, arg -- res)) { |
| if (sym_matches_type(arg, &PyTuple_Type)) { |
| // e.g. tuple((1, 2)) or tuple(foo) where foo is known to be a tuple |
| // Note: we must strip the reference information because it goes |
| // through tuple() which strips the reference information from it. |
| res = PyJitRef_StripReferenceInfo(arg); |
| } |
| else { |
| res = sym_new_type(ctx, &PyTuple_Type); |
| } |
| } |
| |
| op(_GUARD_TOS_LIST, (tos -- tos)) { |
| if (sym_matches_type(tos, &PyList_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(tos, &PyList_Type); |
| } |
| |
| op(_GUARD_NOS_LIST, (nos, unused -- nos, unused)) { |
| if (sym_matches_type(nos, &PyList_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(nos, &PyList_Type); |
| } |
| |
| op(_GUARD_TOS_TUPLE, (tos -- tos)) { |
| if (sym_matches_type(tos, &PyTuple_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(tos, &PyTuple_Type); |
| } |
| |
| op(_GUARD_NOS_TUPLE, (nos, unused -- nos, unused)) { |
| if (sym_matches_type(nos, &PyTuple_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(nos, &PyTuple_Type); |
| } |
| |
| op(_GUARD_TOS_DICT, (tos -- tos)) { |
| if (sym_matches_type(tos, &PyDict_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(tos, &PyDict_Type); |
| } |
| |
| op(_GUARD_NOS_DICT, (nos, unused -- nos, unused)) { |
| if (sym_matches_type(nos, &PyDict_Type)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_type(nos, &PyDict_Type); |
| } |
| |
| op(_GUARD_TOS_ANY_SET, (tos -- tos)) { |
| if (sym_matches_type(tos, &PySet_Type) || |
| sym_matches_type(tos, &PyFrozenSet_Type)) |
| { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| } |
| |
| op(_GUARD_NOS_NULL, (null, unused -- null, unused)) { |
| if (sym_is_null(null)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_null(null); |
| } |
| |
| op(_GUARD_NOS_NOT_NULL, (nos, unused -- nos, unused)) { |
| if (sym_is_not_null(nos)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_non_null(nos); |
| } |
| |
| op(_GUARD_THIRD_NULL, (null, unused, unused -- null, unused, unused)) { |
| if (sym_is_null(null)) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_null(null); |
| } |
| |
| op(_GUARD_CALLABLE_TYPE_1, (callable, unused, unused -- callable, unused, unused)) { |
| if (sym_get_const(ctx, callable) == (PyObject *)&PyType_Type) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_const(callable, (PyObject *)&PyType_Type); |
| } |
| |
| op(_GUARD_CALLABLE_TUPLE_1, (callable, unused, unused -- callable, unused, unused)) { |
| if (sym_get_const(ctx, callable) == (PyObject *)&PyTuple_Type) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_const(callable, (PyObject *)&PyTuple_Type); |
| } |
| |
| op(_GUARD_CALLABLE_STR_1, (callable, unused, unused -- callable, unused, unused)) { |
| if (sym_get_const(ctx, callable) == (PyObject *)&PyUnicode_Type) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_const(callable, (PyObject *)&PyUnicode_Type); |
| } |
| |
| op(_CALL_LEN, (callable, null, arg -- res)) { |
| res = sym_new_type(ctx, &PyLong_Type); |
| Py_ssize_t tuple_length = sym_tuple_length(arg); |
| if (tuple_length >= 0) { |
| PyObject *temp = PyLong_FromSsize_t(tuple_length); |
| if (temp == NULL) { |
| goto error; |
| } |
| if (_Py_IsImmortal(temp)) { |
| REPLACE_OP(this_instr, _POP_CALL_ONE_LOAD_CONST_INLINE_BORROW, |
| 0, (uintptr_t)temp); |
| } |
| res = sym_new_const(ctx, temp); |
| Py_DECREF(temp); |
| } |
| } |
| |
| op(_GET_LEN, (obj -- obj, len)) { |
| Py_ssize_t tuple_length = sym_tuple_length(obj); |
| if (tuple_length == -1) { |
| len = sym_new_type(ctx, &PyLong_Type); |
| } |
| else { |
| assert(tuple_length >= 0); |
| PyObject *temp = PyLong_FromSsize_t(tuple_length); |
| if (temp == NULL) { |
| goto error; |
| } |
| if (_Py_IsImmortal(temp)) { |
| REPLACE_OP(this_instr, _LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)temp); |
| } |
| len = sym_new_const(ctx, temp); |
| Py_DECREF(temp); |
| } |
| } |
| |
| op(_GUARD_CALLABLE_LEN, (callable, unused, unused -- callable, unused, unused)) { |
| PyObject *len = _PyInterpreterState_GET()->callable_cache.len; |
| if (sym_get_const(ctx, callable) == len) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_const(callable, len); |
| } |
| |
| op(_GUARD_CALLABLE_ISINSTANCE, (callable, unused, unused, unused -- callable, unused, unused, unused)) { |
| PyObject *isinstance = _PyInterpreterState_GET()->callable_cache.isinstance; |
| if (sym_get_const(ctx, callable) == isinstance) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_const(callable, isinstance); |
| } |
| |
| op(_GUARD_CALLABLE_LIST_APPEND, (callable, unused, unused -- callable, unused, unused)) { |
| PyObject *list_append = _PyInterpreterState_GET()->callable_cache.list_append; |
| if (sym_get_const(ctx, callable) == list_append) { |
| REPLACE_OP(this_instr, _NOP, 0, 0); |
| } |
| sym_set_const(callable, list_append); |
| } |
| |
| op(_BINARY_SLICE, (container, start, stop -- res)) { |
| // Slicing a string/list/tuple always returns the same type. |
| PyTypeObject *type = sym_get_type(container); |
| if (type == &PyUnicode_Type || |
| type == &PyList_Type || |
| type == &PyTuple_Type) |
| { |
| res = sym_new_type(ctx, type); |
| } |
| else { |
| res = sym_new_not_null(ctx); |
| } |
| } |
| |
| // END BYTECODES // |
| |
| } |