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gh-149217: Avoid adding dependencies on immutable, immortal classes in the JIT (GH149256)

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Wulian233 2026-05-03 18:06:39 +08:00 • committed by GitHub
parent 00c4a946f4
commit 8a7eddaa84
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3 changed files with 24 additions and 40 deletions
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21
Python/optimizer_bytecodes.c
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@ -149,10 +149,7 @@ dummy_func(void) {
// Promote the probable type version to a known one.
sym_set_type(owner, probable_type);
sym_set_type_version(owner, type_version);
if ((probable_type->tp_flags & Py_TPFLAGS_IMMUTABLETYPE) == 0) {
PyType_Watch(TYPE_WATCHER_ID, (PyObject *)probable_type);
_Py_BloomFilter_Add(dependencies, probable_type);
}
watch_type(probable_type, dependencies);
}
else {
ctx->contradiction = true;
@ -238,10 +235,7 @@ dummy_func(void) {
}
else {
sym_set_const(owner, type);
if ((((PyTypeObject *)type)->tp_flags & Py_TPFLAGS_IMMUTABLETYPE) == 0) {
PyType_Watch(TYPE_WATCHER_ID, type);
_Py_BloomFilter_Add(dependencies, type);
}
watch_type((PyTypeObject *)type, dependencies);
}
}
}
@ -258,8 +252,7 @@ dummy_func(void) {
probable_type->tp_version_tag == type_version) {
sym_set_type(owner, probable_type);
sym_set_type_version(owner, type_version);
PyType_Watch(TYPE_WATCHER_ID, (PyObject *)probable_type);
_Py_BloomFilter_Add(dependencies, probable_type);
watch_type(probable_type, dependencies);
}
else {
ctx->contradiction = true;
@ -1326,8 +1319,7 @@ dummy_func(void) {
assert(init != NULL);
assert(PyFunction_Check(init));
callable = sym_new_const(ctx, init);
PyType_Watch(TYPE_WATCHER_ID, callable_o);
_Py_BloomFilter_Add(dependencies, callable_o);;
watch_type((PyTypeObject *)callable_o, dependencies);
}
else {
callable = sym_new_not_null(ctx);
@ -2033,10 +2025,7 @@ dummy_func(void) {
0, (uintptr_t)descr);
ADD_OP(_SWAP, 3, 0);
optimize_pop_top(ctx, this_instr, method_and_self[0]);
if ((type->tp_flags & Py_TPFLAGS_IMMUTABLETYPE) == 0) {
PyType_Watch(TYPE_WATCHER_ID, (PyObject *)type);
_Py_BloomFilter_Add(dependencies, type);
}
watch_type(type, dependencies);
method_and_self[0] = sym_new_const(ctx, descr);
optimized = true;
}