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GeezerVison is showing github.com — gh-130480: Move duplicate `LOAD_SMALL_INT` optimization from codegen to CFG by WolframAlph · Pull Request #130481 · python/cpython

gh-130480: Move duplicate LOAD_SMALL_INT optimization from codegen to CFG #130481

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Merged
iritkatriel merged 5 commits into python:main from WolframAlph:move-smallint
Mar 14, 2025

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Merged

gh-130480: Move duplicate LOAD_SMALL_INT optimization from codegen to CFG #130481

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222c9f5
move LOAD_SMALL_INT optimization from codegen to cfg
WolframAlph Feb 17, 2025
f878d78
fix conflicts
WolframAlph Mar 13, 2025
e3f4f8b
address review
WolframAlph Mar 14, 2025
fa005f3
check PyLong_AsLongAndOverflow result for error
WolframAlph Mar 14, 2025
83ccea7
decref newconst on error
WolframAlph Mar 14, 2025
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18 changes: 9 additions & 9 deletions 18 Lib/test/test_compiler_codegen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,10 +29,10 @@ def test_if_expression(self):
('LOAD_CONST', 0, 1),
('TO_BOOL', 0, 1),
('POP_JUMP_IF_FALSE', false_lbl := self.Label(), 1),
('LOAD_SMALL_INT', 42, 1),
('LOAD_CONST', 1, 1), # 42
('JUMP_NO_INTERRUPT', exit_lbl := self.Label()),
false_lbl,
('LOAD_SMALL_INT', 24, 1),
('LOAD_CONST', 2, 1), # 24
exit_lbl,
('POP_TOP', None),
('LOAD_CONST', 1),
Expand Down Expand Up @@ -82,7 +82,7 @@ def f(x):
# Function body
('RESUME', 0),
('LOAD_FAST', 0),
('LOAD_SMALL_INT', 42),
('LOAD_CONST', 42),
('BINARY_OP', 0),
('RETURN_VALUE', None),
('LOAD_CONST', 0),
Expand Down Expand Up @@ -125,23 +125,23 @@ def g():
[
('RESUME', 0),
('NOP', None),
('LOAD_SMALL_INT', 12),
('LOAD_CONST', 12),
('RETURN_VALUE', None),
('LOAD_CONST', 1),
('RETURN_VALUE', None),
],
[
('RESUME', 0),
('LOAD_SMALL_INT', 1),
('LOAD_CONST', 1),
('STORE_FAST', 0),
('LOAD_SMALL_INT', 2),
('LOAD_CONST', 2),
('STORE_FAST', 1),
('LOAD_SMALL_INT', 3),
('LOAD_CONST', 3),
('STORE_FAST', 2),
('LOAD_SMALL_INT', 4),
('LOAD_CONST', 4),
('STORE_FAST', 3),
('NOP', None),
('LOAD_SMALL_INT', 42),
('LOAD_CONST', 42),
('RETURN_VALUE', None),
('LOAD_CONST', 0),
('RETURN_VALUE', None),
Expand Down
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