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gh-142276: Watch attribute loads when promoting JIT constants (GH-142303)

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Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Savannah Ostrowski <savannah@python.org>
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Ken Jin 2025-12-09 02:03:15 +08:00 • committed by GitHub
parent e0451ceef8
commit 97f0a1f203
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5 changed files with 38 additions and 13 deletions
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4
Python/optimizer_analysis.c
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@ -242,7 +242,7 @@ eliminate_pop_guard(_PyUOpInstruction *this_instr, bool exit)
}
static JitOptRef
lookup_attr(JitOptContext *ctx, _PyUOpInstruction *this_instr,
lookup_attr(JitOptContext *ctx, _PyBloomFilter *dependencies, _PyUOpInstruction *this_instr,
PyTypeObject *type, PyObject *name, uint16_t immortal,
uint16_t mortal)
{
@ -252,6 +252,8 @@ lookup_attr(JitOptContext *ctx, _PyUOpInstruction *this_instr,
if (lookup) {
int opcode = _Py_IsImmortal(lookup) ? immortal : mortal;
REPLACE_OP(this_instr, opcode, 0, (uintptr_t)lookup);
PyType_Watch(TYPE_WATCHER_ID, (PyObject *)type);
_Py_BloomFilter_Add(dependencies, type);
return sym_new_const(ctx, lookup);
}
}