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| author | Nadeshiko Manju <me@manjusaka.me> | 2025-05-21 06:02:50 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-05-20 18:02:50 -0400 |
| commit | e1c0c451a2ff815fc817e71ec15c37bff9cb84d0 (patch) | |
| tree | d3341c74525bfd9fe14f1625a0f65f59ac94519d /Python/optimizer_bytecodes.c | |
| parent | e4fbfb12889013fd52565cd2598a366754cb677b (diff) | |
| download | cpython-e1c0c451a2ff815fc817e71ec15c37bff9cb84d0.tar.gz cpython-e1c0c451a2ff815fc817e71ec15c37bff9cb84d0.zip | |
GH-131798: Narrow the return type of _GET_LEN to int (GH-133345)
Diffstat (limited to 'Python/optimizer_bytecodes.c')
| -rw-r--r-- | Python/optimizer_bytecodes.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Python/optimizer_bytecodes.c b/Python/optimizer_bytecodes.c index 3799f25880d..639b4b7af16 100644 --- a/Python/optimizer_bytecodes.c +++ b/Python/optimizer_bytecodes.c @@ -1116,6 +1116,25 @@ dummy_func(void) { res = sym_new_type(ctx, &PyLong_Type); } + op(_GET_LEN, (obj -- obj, len)) { + int 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_FromLong(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) { |