diff options
Diffstat (limited to 'Lib/test/test_capi/test_misc.py')
| -rw-r--r-- | Lib/test/test_capi/test_misc.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Lib/test/test_capi/test_misc.py b/Lib/test/test_capi/test_misc.py index 9cbd550..9c14a50 100644 --- a/Lib/test/test_capi/test_misc.py +++ b/Lib/test/test_capi/test_misc.py @@ -2553,6 +2553,7 @@ class TestUops(unittest.TestCase): i = 0 while i < n: i += 1 + opt = _testinternalcapi.get_uop_optimizer() with temporary_optimizer(opt): testfunc(10) @@ -2562,6 +2563,30 @@ class TestUops(unittest.TestCase): uops = {opname for opname, _ in ex} self.assertIn("JUMP_TO_TOP", uops) + def test_jump_forward(self): + def testfunc(n): + a = 0 + while a < n: + if a < 0: + a = -a + else: + a = +a + a += 1 + return a + + opt = _testinternalcapi.get_uop_optimizer() + with temporary_optimizer(opt): + testfunc(10) + + ex = get_first_executor(testfunc) + self.assertIsNotNone(ex) + # for i, (opname, oparg) in enumerate(ex): + # print(f"{i:4d}: {opname:<20s} {oparg:4d}") + uops = {opname for opname, _ in ex} + # Since there is no JUMP_FORWARD instruction, + # look for indirect evidence: the += operator + self.assertIn("_BINARY_OP_ADD_INT", uops) + if __name__ == "__main__": unittest.main() |