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gh-131798: constant fold special method lookup in JIT #148432

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Merged
kumaraditya303 merged 4 commits into from
Apr 14, 2026
Merged

gh-131798: constant fold special method lookup in JIT #148432

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d18afa0
JIT constant fold special method lookup
kumaraditya303 Apr 12, 2026
9da1b9d
refactor it a bit
kumaraditya303 Apr 13, 2026
c11c043
Merge branch 'main' of https://github.com/python/cpython into jit-loa…
kumaraditya303 Apr 14, 2026
d27c6d8
fix formatting
kumaraditya303 Apr 14, 2026
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fix formatting
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@kumaraditya303
kumaraditya303 committed Apr 14, 2026
commit d27c6d85c96332c70d987378d538dc3f6a70d385
3 changes: 1 addition & 2 deletions Python/optimizer_bytecodes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1829,8 +1829,7 @@ dummy_func(void) {
if (type != NULL) {
PyObject *name = _Py_SpecialMethods[oparg].name;
PyObject *descr = _PyType_Lookup(type, name);
if (descr != NULL && _PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR))
{
if (descr != NULL && (Py_TYPE(descr)->tp_flags & Py_TPFLAGS_METHOD_DESCRIPTOR)) {
ADD_OP(_GUARD_TYPE_VERSION, 0, type->tp_version_tag);
bool immortal = _Py_IsImmortal(descr) || (type->tp_flags & Py_TPFLAGS_IMMUTABLETYPE);
ADD_OP(immortal ? _LOAD_CONST_INLINE_BORROW : _LOAD_CONST_INLINE,
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3 changes: 1 addition & 2 deletions Python/optimizer_cases.c.h
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