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gh-143995: Eliminate redundant refcounting in the JIT from LOAD_ATTR_MODULE (GH-143996)

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AN Long 2026-01-26 03:24:44 +09:00 • committed by GitHub
parent a51bf70f95
commit 6e55337f8a
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11 changed files with 1163 additions and 1023 deletions
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9
Python/optimizer_bytecodes.c
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@ -694,7 +694,7 @@ dummy_func(void) {
o = owner;
}
op(_LOAD_ATTR_MODULE, (dict_version/2, index/1, owner -- attr)) {
op(_LOAD_ATTR_MODULE, (dict_version/2, index/1, owner -- attr, o)) {
(void)dict_version;
(void)index;
attr = PyJitRef_NULL;
@ -706,7 +706,7 @@ dummy_func(void) {
if (watched_mutations < _Py_MAX_ALLOWED_GLOBALS_MODIFICATIONS) {
PyDict_Watch(GLOBALS_WATCHER_ID, dict);
_Py_BloomFilter_Add(dependencies, dict);
PyObject *res = convert_global_to_const(this_instr, dict, true);
PyObject *res = convert_global_to_const(this_instr, dict, false, true);
if (res == NULL) {
attr = sym_new_not_null(ctx);
}
@ -721,6 +721,7 @@ dummy_func(void) {
/* No conversion made. We don't know what `attr` is. */
attr = sym_new_not_null(ctx);
}
o = owner;
}
op (_PUSH_NULL_CONDITIONAL, ( -- null[oparg & 1])) {
@ -1585,7 +1586,7 @@ dummy_func(void) {
ctx->builtins_watched = true;
}
if (ctx->frame->globals_checked_version != 0 && ctx->frame->globals_watched) {
cnst = convert_global_to_const(this_instr, builtins, false);
cnst = convert_global_to_const(this_instr, builtins, false, false);
}
}
if (cnst == NULL) {
@ -1624,7 +1625,7 @@ dummy_func(void) {
ctx->frame->globals_checked_version = version;
}
if (ctx->frame->globals_checked_version == version) {
cnst = convert_global_to_const(this_instr, globals, false);
cnst = convert_global_to_const(this_instr, globals, false, false);
}
}
}