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gh-131798: Optimize _ITER_CHECK_TUPLE #134803

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Merged
merged 2 commits into from
May 27, 2025
Merged

gh-131798: Optimize _ITER_CHECK_TUPLE #134803

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c6bdd52
add optimizer op
noamcohen97 May 27, 2025
1499012
add news entry
noamcohen97 May 27, 2025
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7 changes: 7 additions & 0 deletions Python/optimizer_bytecodes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -914,6 +914,13 @@ dummy_func(void) {
}
}

op(_ITER_CHECK_TUPLE, (iter, null_or_index -- iter, null_or_index)) {
if (sym_matches_type(iter, &PyTuple_Type)) {
REPLACE_OP(this_instr, _NOP, 0, 0);
}
sym_set_type(iter, &PyTuple_Type);
}

op(_ITER_NEXT_RANGE, (iter, null_or_index -- iter, null_or_index, next)) {
next = sym_new_type(ctx, &PyLong_Type);
}
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6 changes: 6 additions & 0 deletions Python/optimizer_cases.c.h
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