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gh-131798: Split _CHECK_AND_ALLOCATE_OBJECT into smaller uops #148433

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Merged
Fidget-Spinner merged 7 commits into from
Apr 12, 2026
Merged

gh-131798: Split _CHECK_AND_ALLOCATE_OBJECT into smaller uops #148433

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9c745a0
initial commit to split the uops
Sacul0457 Apr 12, 2026
d976e47
revert test
Sacul0457 Apr 12, 2026
c72c139
remove empty line
Sacul0457 Apr 12, 2026
7885033
Partially address reviews
Sacul0457 Apr 12, 2026
13e2608
handle probable and non-probable cases
Fidget-Spinner Apr 12, 2026
fc0c169
lint
Fidget-Spinner Apr 12, 2026
a459c25
add tests
Fidget-Spinner Apr 12, 2026
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revert test
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@Sacul0457
Sacul0457 committed Apr 12, 2026
commit d976e472def826491cb3c3b0667d0b394df31125
6 changes: 4 additions & 2 deletions Lib/test/test_capi/test_opt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1585,8 +1585,10 @@ def testfunc(n):
_, ex = self._run_with_optimizer(testfunc, TIER2_THRESHOLD)
self.assertIsNotNone(ex)
uops = get_opnames(ex)
self.assertIn("_ALLOCATE_OBJECT", uops)
self.assertNotIn("_CHECK_OBJECT", uops)
# The __init__ call should be traced through via _PUSH_FRAME
self.assertIn("_PUSH_FRAME", uops)
# __init__ resolution allows promotion of range to constant
self.assertNotIn("_LOAD_GLOBAL_BUILTINS", uops)

def test_guard_type_version_locked_propagates(self):
"""
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