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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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refactor it a bit
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@kumaraditya303
kumaraditya303 committed Apr 13, 2026
commit 9da1b9d21bcffb1f970f2a23cec644fa04b67764
4 changes: 3 additions & 1 deletion Python/optimizer_bytecodes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1682,6 +1682,7 @@ dummy_func(void) {
}

op(_LOAD_SPECIAL, (method_and_self[2] -- method_and_self[2])) {
bool optimized = false;
PyTypeObject *type = sym_get_probable_type(method_and_self[1]);
if (type != NULL) {
PyObject *name = _Py_SpecialMethods[oparg].name;
Expand All @@ -1699,9 +1700,10 @@ dummy_func(void) {
_Py_BloomFilter_Add(dependencies, type);
}
method_and_self[0] = sym_new_const(ctx, descr);
optimized = true;
}
}
else {
if (!optimized) {
method_and_self[0] = sym_new_not_null(ctx);
method_and_self[1] = sym_new_unknown(ctx);
}
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4 changes: 3 additions & 1 deletion Python/optimizer_cases.c.h
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