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GH-116596: Better determination of escaping uops. (GH-116597)

This commit is contained in:
Mark Shannon 2024-03-11 13:37:48 +00:00 committed by GitHub
parent 6c4fc209e1
commit b6ae6da1bd
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GPG Key ID: B5690EEEBB952194
5 changed files with 47 additions and 30 deletions
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24
Include/internal/pycore_opcode_metadata.h generated
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@ -959,7 +959,7 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[268] = {
[BINARY_OP] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BINARY_OP_ADD_FLOAT] = { true, INSTR_FMT_IXC, HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[BINARY_OP_ADD_INT] = { true, INSTR_FMT_IXC, HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ERROR_FLAG },
[BINARY_OP_ADD_UNICODE] = { true, INSTR_FMT_IXC, HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BINARY_OP_ADD_UNICODE] = { true, INSTR_FMT_IXC, HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ERROR_FLAG },
[BINARY_OP_INPLACE_ADD_UNICODE] = { true, INSTR_FMT_IXC, HAS_LOCAL_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BINARY_OP_MULTIPLY_FLOAT] = { true, INSTR_FMT_IXC, HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[BINARY_OP_MULTIPLY_INT] = { true, INSTR_FMT_IXC, HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ERROR_FLAG },
@ -973,12 +973,12 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[268] = {
[BINARY_SUBSCR_STR_INT] = { true, INSTR_FMT_IXC, HAS_DEOPT_FLAG },
[BINARY_SUBSCR_TUPLE_INT] = { true, INSTR_FMT_IXC, HAS_DEOPT_FLAG },
[BUILD_CONST_KEY_MAP] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BUILD_LIST] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BUILD_LIST] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG },
[BUILD_MAP] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BUILD_SET] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BUILD_SLICE] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BUILD_STRING] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BUILD_TUPLE] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[BUILD_SLICE] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG },
[BUILD_STRING] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG },
[BUILD_TUPLE] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG },
[CACHE] = { true, INSTR_FMT_IX, HAS_ESCAPES_FLAG },
[CALL] = { true, INSTR_FMT_IBC00, HAS_ARG_FLAG | HAS_EVAL_BREAK_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[CALL_ALLOC_AND_ENTER_INIT] = { true, INSTR_FMT_IBC00, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
@ -1008,8 +1008,8 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[268] = {
[CLEANUP_THROW] = { true, INSTR_FMT_IX, HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[COMPARE_OP] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[COMPARE_OP_FLOAT] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ESCAPES_FLAG },
[COMPARE_OP_INT] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ESCAPES_FLAG },
[COMPARE_OP_STR] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ESCAPES_FLAG },
[COMPARE_OP_INT] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[COMPARE_OP_STR] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[CONTAINS_OP] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[CONTAINS_OP_DICT] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[CONTAINS_OP_SET] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
@ -1035,7 +1035,7 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[268] = {
[FOR_ITER] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_JUMP_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[FOR_ITER_GEN] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_ESCAPES_FLAG },
[FOR_ITER_LIST] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_JUMP_FLAG | HAS_DEOPT_FLAG },
[FOR_ITER_RANGE] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_JUMP_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[FOR_ITER_RANGE] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_JUMP_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG },
[FOR_ITER_TUPLE] = { true, INSTR_FMT_IBC, HAS_ARG_FLAG | HAS_JUMP_FLAG | HAS_DEOPT_FLAG },
[GET_AITER] = { true, INSTR_FMT_IX, HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[GET_ANEXT] = { true, INSTR_FMT_IX, HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
@ -1075,9 +1075,9 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[268] = {
[LOAD_ATTR_CLASS] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG },
[LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_NAME_FLAG | HAS_DEOPT_FLAG | HAS_ESCAPES_FLAG },
[LOAD_ATTR_INSTANCE_VALUE] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[LOAD_ATTR_METHOD_LAZY_DICT] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ESCAPES_FLAG },
[LOAD_ATTR_METHOD_NO_DICT] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ESCAPES_FLAG },
[LOAD_ATTR_METHOD_WITH_VALUES] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ESCAPES_FLAG },
[LOAD_ATTR_METHOD_LAZY_DICT] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[LOAD_ATTR_METHOD_NO_DICT] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[LOAD_ATTR_METHOD_WITH_VALUES] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[LOAD_ATTR_MODULE] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG },
[LOAD_ATTR_NONDESCRIPTOR_NO_DICT] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES] = { true, INSTR_FMT_IBC00000000, HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
@ -1132,7 +1132,7 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[268] = {
[SET_FUNCTION_ATTRIBUTE] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ESCAPES_FLAG },
[SET_UPDATE] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[STORE_ATTR] = { true, INSTR_FMT_IBC000, HAS_ARG_FLAG | HAS_NAME_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG },
[STORE_ATTR_INSTANCE_VALUE] = { true, INSTR_FMT_IXC000, HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ESCAPES_FLAG },
[STORE_ATTR_INSTANCE_VALUE] = { true, INSTR_FMT_IXC000, HAS_DEOPT_FLAG | HAS_EXIT_FLAG },
[STORE_ATTR_SLOT] = { true, INSTR_FMT_IXC000, HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_ESCAPES_FLAG },
[STORE_ATTR_WITH_HINT] = { true, INSTR_FMT_IBC000, HAS_ARG_FLAG | HAS_NAME_FLAG | HAS_DEOPT_FLAG | HAS_ESCAPES_FLAG },
[STORE_DEREF] = { true, INSTR_FMT_IB, HAS_ARG_FLAG | HAS_FREE_FLAG | HAS_ESCAPES_FLAG },

28
Include/internal/pycore_uop_metadata.h generated
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@ -65,7 +65,7 @@ const uint16_t _PyUop_Flags[MAX_UOP_ID+1] = {
[_BINARY_OP_ADD_FLOAT] = HAS_PURE_FLAG,
[_BINARY_OP_SUBTRACT_FLOAT] = HAS_PURE_FLAG,
[_GUARD_BOTH_UNICODE] = HAS_DEOPT_FLAG | HAS_EXIT_FLAG | HAS_PASSTHROUGH_FLAG,
[_BINARY_OP_ADD_UNICODE] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG | HAS_PURE_FLAG,
[_BINARY_OP_ADD_UNICODE] = HAS_ERROR_FLAG | HAS_PURE_FLAG,
[_BINARY_SUBSCR] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_BINARY_SLICE] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_STORE_SLICE] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
@ -114,9 +114,9 @@ const uint16_t _PyUop_Flags[MAX_UOP_ID+1] = {
[_LOAD_DEREF] = HAS_ARG_FLAG | HAS_FREE_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_STORE_DEREF] = HAS_ARG_FLAG | HAS_FREE_FLAG | HAS_ESCAPES_FLAG,
[_COPY_FREE_VARS] = HAS_ARG_FLAG,
[_BUILD_STRING] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_BUILD_TUPLE] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_BUILD_LIST] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_BUILD_STRING] = HAS_ARG_FLAG | HAS_ERROR_FLAG,
[_BUILD_TUPLE] = HAS_ARG_FLAG | HAS_ERROR_FLAG,
[_BUILD_LIST] = HAS_ARG_FLAG | HAS_ERROR_FLAG,
[_LIST_EXTEND] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_SET_UPDATE] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_BUILD_SET] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
@ -146,12 +146,12 @@ const uint16_t _PyUop_Flags[MAX_UOP_ID+1] = {
[_LOAD_ATTR_CLASS_1] = 0,
[_LOAD_ATTR_CLASS] = HAS_ARG_FLAG | HAS_OPARG_AND_1_FLAG,
[_GUARD_DORV_VALUES] = HAS_DEOPT_FLAG | HAS_PASSTHROUGH_FLAG,
[_STORE_ATTR_INSTANCE_VALUE] = HAS_ESCAPES_FLAG,
[_STORE_ATTR_INSTANCE_VALUE] = 0,
[_STORE_ATTR_SLOT] = HAS_ESCAPES_FLAG,
[_COMPARE_OP] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_COMPARE_OP_FLOAT] = HAS_ARG_FLAG | HAS_ESCAPES_FLAG,
[_COMPARE_OP_INT] = HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_ESCAPES_FLAG,
[_COMPARE_OP_STR] = HAS_ARG_FLAG | HAS_ESCAPES_FLAG,
[_COMPARE_OP_INT] = HAS_ARG_FLAG | HAS_DEOPT_FLAG,
[_COMPARE_OP_STR] = HAS_ARG_FLAG,
[_IS_OP] = HAS_ARG_FLAG,
[_CONTAINS_OP] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_CONTAINS_OP_SET] = HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
@ -175,19 +175,19 @@ const uint16_t _PyUop_Flags[MAX_UOP_ID+1] = {
[_ITER_NEXT_TUPLE] = 0,
[_ITER_CHECK_RANGE] = HAS_DEOPT_FLAG | HAS_PASSTHROUGH_FLAG,
[_GUARD_NOT_EXHAUSTED_RANGE] = HAS_DEOPT_FLAG | HAS_PASSTHROUGH_FLAG,
[_ITER_NEXT_RANGE] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_ITER_NEXT_RANGE] = HAS_ERROR_FLAG,
[_BEFORE_ASYNC_WITH] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_BEFORE_WITH] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_WITH_EXCEPT_START] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_PUSH_EXC_INFO] = 0,
[_GUARD_DORV_VALUES_INST_ATTR_FROM_DICT] = HAS_DEOPT_FLAG | HAS_PASSTHROUGH_FLAG,
[_GUARD_KEYS_VERSION] = HAS_DEOPT_FLAG | HAS_PASSTHROUGH_FLAG,
[_LOAD_ATTR_METHOD_WITH_VALUES] = HAS_ARG_FLAG | HAS_ESCAPES_FLAG,
[_LOAD_ATTR_METHOD_NO_DICT] = HAS_ARG_FLAG | HAS_ESCAPES_FLAG,
[_LOAD_ATTR_METHOD_WITH_VALUES] = HAS_ARG_FLAG,
[_LOAD_ATTR_METHOD_NO_DICT] = HAS_ARG_FLAG,
[_LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES] = HAS_ARG_FLAG,
[_LOAD_ATTR_NONDESCRIPTOR_NO_DICT] = HAS_ARG_FLAG,
[_CHECK_ATTR_METHOD_LAZY_DICT] = HAS_DEOPT_FLAG | HAS_PASSTHROUGH_FLAG,
[_LOAD_ATTR_METHOD_LAZY_DICT] = HAS_ARG_FLAG | HAS_ESCAPES_FLAG,
[_LOAD_ATTR_METHOD_LAZY_DICT] = HAS_ARG_FLAG,
[_CHECK_CALL_BOUND_METHOD_EXACT_ARGS] = HAS_ARG_FLAG | HAS_DEOPT_FLAG | HAS_PASSTHROUGH_FLAG,
[_INIT_CALL_BOUND_METHOD_EXACT_ARGS] = HAS_ARG_FLAG,
[_CHECK_PEP_523] = HAS_DEOPT_FLAG,
@ -199,7 +199,7 @@ const uint16_t _PyUop_Flags[MAX_UOP_ID+1] = {
[_INIT_CALL_PY_EXACT_ARGS_3] = HAS_ESCAPES_FLAG | HAS_PURE_FLAG,
[_INIT_CALL_PY_EXACT_ARGS_4] = HAS_ESCAPES_FLAG | HAS_PURE_FLAG,
[_INIT_CALL_PY_EXACT_ARGS] = HAS_ARG_FLAG | HAS_ESCAPES_FLAG | HAS_PURE_FLAG,
[_PUSH_FRAME] = HAS_ESCAPES_FLAG,
[_PUSH_FRAME] = 0,
[_CALL_TYPE_1] = HAS_ARG_FLAG | HAS_DEOPT_FLAG,
[_CALL_STR_1] = HAS_ARG_FLAG | HAS_EVAL_BREAK_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_CALL_TUPLE_1] = HAS_ARG_FLAG | HAS_EVAL_BREAK_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
@ -216,12 +216,12 @@ const uint16_t _PyUop_Flags[MAX_UOP_ID+1] = {
[_CALL_METHOD_DESCRIPTOR_FAST] = HAS_ARG_FLAG | HAS_EVAL_BREAK_FLAG | HAS_DEOPT_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_MAKE_FUNCTION] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_SET_FUNCTION_ATTRIBUTE] = HAS_ARG_FLAG | HAS_ESCAPES_FLAG,
[_BUILD_SLICE] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_BUILD_SLICE] = HAS_ARG_FLAG | HAS_ERROR_FLAG,
[_CONVERT_VALUE] = HAS_ARG_FLAG | HAS_ERROR_FLAG,
[_FORMAT_SIMPLE] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_FORMAT_WITH_SPEC] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_COPY] = HAS_ARG_FLAG | HAS_PURE_FLAG,
[_BINARY_OP] = HAS_ARG_FLAG | HAS_ERROR_FLAG,
[_BINARY_OP] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
[_SWAP] = HAS_ARG_FLAG | HAS_PURE_FLAG,
[_GUARD_IS_TRUE_POP] = HAS_DEOPT_FLAG | HAS_EXIT_FLAG,
[_GUARD_IS_FALSE_POP] = HAS_DEOPT_FLAG | HAS_EXIT_FLAG,

1
Python/optimizer.c
View File

@ -1033,6 +1033,7 @@ uop_optimize(
break;
}
assert(_PyOpcode_uop_name[buffer[pc].opcode]);
assert(strncmp(_PyOpcode_uop_name[buffer[pc].opcode], _PyOpcode_uop_name[opcode], strlen(_PyOpcode_uop_name[opcode])) == 0);
}
_PyExecutorObject *executor = make_executor_from_uops(buffer, &dependencies);
if (executor == NULL) {

8
Python/optimizer_analysis.c
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@ -430,7 +430,7 @@ remove_unneeded_uops(_PyUOpInstruction *buffer, int buffer_size)
int opcode = buffer[pc].opcode;
switch (opcode) {
case _SET_IP:
buffer[pc].opcode = NOP;
buffer[pc].opcode = _NOP;
last_set_ip = pc;
break;
case _CHECK_VALIDITY:
@ -438,7 +438,7 @@ remove_unneeded_uops(_PyUOpInstruction *buffer, int buffer_size)
may_have_escaped = false;
}
else {
buffer[pc].opcode = NOP;
buffer[pc].opcode = _NOP;
}
break;
case _CHECK_VALIDITY_AND_SET_IP:
@ -447,7 +447,7 @@ remove_unneeded_uops(_PyUOpInstruction *buffer, int buffer_size)
buffer[pc].opcode = _CHECK_VALIDITY;
}
else {
buffer[pc].opcode = NOP;
buffer[pc].opcode = _NOP;
}
last_set_ip = pc;
break;
@ -463,7 +463,7 @@ remove_unneeded_uops(_PyUOpInstruction *buffer, int buffer_size)
last->opcode == _COPY
) {
last->opcode = _NOP;
buffer[pc].opcode = NOP;
buffer[pc].opcode = _NOP;
}
if (last->opcode == _REPLACE_WITH_TRUE) {
last->opcode = _NOP;

16
Tools/cases_generator/analyzer.py
View File

@ -335,6 +335,7 @@ NON_ESCAPING_FUNCTIONS = (
"_PyDictOrValues_IsValues",
"_PyObject_DictOrValuesPointer",
"_PyDictOrValues_GetValues",
"_PyDictValues_AddToInsertionOrder",
"_PyObject_MakeInstanceAttributesFromDict",
"Py_DECREF",
"_Py_DECREF_SPECIALIZED",
@ -355,8 +356,10 @@ NON_ESCAPING_FUNCTIONS = (
"_PyLong_IsCompact",
"_PyLong_IsNonNegativeCompact",
"_PyLong_CompactValue",
"_PyLong_DigitCount",
"_Py_NewRef",
"_Py_IsImmortal",
"PyLong_FromLong",
"_Py_STR",
"_PyLong_Add",
"_PyLong_Multiply",
@ -368,6 +371,17 @@ NON_ESCAPING_FUNCTIONS = (
"_Py_atomic_load_uintptr_relaxed",
"_PyFrame_GetCode",
"_PyThreadState_HasStackSpace",
"_PyUnicode_Equal",
"_PyFrame_SetStackPointer",
"_PyType_HasFeature",
"PyUnicode_Concat",
"_PyList_FromArraySteal",
"_PyTuple_FromArraySteal",
"PySlice_New",
"_Py_LeaveRecursiveCallPy",
"CALL_STAT_INC",
"maybe_lltrace_resume_frame",
"_PyUnicode_JoinArray",
)
ESCAPING_FUNCTIONS = (
@ -379,6 +393,8 @@ ESCAPING_FUNCTIONS = (
def makes_escaping_api_call(instr: parser.InstDef) -> bool:
if "CALL_INTRINSIC" in instr.name:
return True
if instr.name == "_BINARY_OP":
return True
tkns = iter(instr.tokens)
for tkn in tkns:
if tkn.kind != lexer.IDENTIFIER: