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gh-90997: Show cached inline values in dis output (#92360)

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Brandt Bucher 2022-05-06 07:18:09 -07:00 • committed by GitHub
parent a79001ee16
commit 93a666b5a5
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4 changed files with 126 additions and 26 deletions
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31
Lib/test/test_dis.py
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@ -1011,6 +1011,37 @@ class DisTests(DisTestBase):
got = self.get_disassembly(loop_test, adaptive=True)
self.do_disassembly_compare(got, dis_loop_test_quickened_code, True)
def get_cached_values(self, quickened, adaptive):
def f():
l = []
for i in range(42):
l.append(i)
if quickened:
self.code_quicken(f)
else:
# "copy" the code to un-quicken it:
f.__code__ = f.__code__.replace()
for instruction in dis.get_instructions(
f, show_caches=True, adaptive=adaptive
):
if instruction.opname == "CACHE":
yield instruction.argrepr
@cpython_only
def test_show_caches(self):
for quickened in (False, True):
for adaptive in (False, True):
with self.subTest(f"{quickened=}, {adaptive=}"):
if quickened and adaptive:
pattern = r"^(\w+: \d+)?$"
else:
pattern = r"^(\w+: 0)?$"
caches = list(self.get_cached_values(quickened, adaptive))
for cache in caches:
self.assertRegex(cache, pattern)
self.assertEqual(caches.count(""), 8)
self.assertEqual(len(caches), 25)
class DisWithFileTests(DisTests):