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bpo-47120: make POP_JUMP_IF_TRUE/FALSE/NONE/NOT_NONE relative (GH-32400)

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Irit Katriel 2022-04-11 10:40:24 +01:00 • committed by GitHub
parent 98ff4a6877
commit dd207a6ac5
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14 changed files with 357 additions and 135 deletions
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9
Lib/test/test_peepholer.py
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@ -76,8 +76,9 @@ class TestTranforms(BytecodeTestCase):
if not x == 2:
del x
self.assertNotInBytecode(unot, 'UNARY_NOT')
self.assertNotInBytecode(unot, 'POP_JUMP_IF_FALSE')
self.assertInBytecode(unot, 'POP_JUMP_IF_TRUE')
self.assertNotInBytecode(unot, 'POP_JUMP_FORWARD_IF_FALSE')
self.assertNotInBytecode(unot, 'POP_JUMP_BACKWARD_IF_FALSE')
self.assertInBytecode(unot, 'POP_JUMP_FORWARD_IF_TRUE')
self.check_lnotab(unot)
def test_elim_inversion_of_is_or_in(self):
@ -405,7 +406,7 @@ class TestTranforms(BytecodeTestCase):
self.check_lnotab(f)
self.assertNotInBytecode(f, 'JUMP_IF_FALSE_OR_POP')
self.assertInBytecode(f, 'JUMP_IF_TRUE_OR_POP')
self.assertInBytecode(f, 'POP_JUMP_IF_FALSE')
self.assertInBytecode(f, 'POP_JUMP_FORWARD_IF_FALSE')
# JUMP_IF_TRUE_OR_POP to JUMP_IF_FALSE_OR_POP --> POP_JUMP_IF_TRUE to non-jump
def f(a, b, c):
return ((a or b)
@ -414,7 +415,7 @@ class TestTranforms(BytecodeTestCase):
self.check_lnotab(f)
self.assertNotInBytecode(f, 'JUMP_IF_TRUE_OR_POP')
self.assertInBytecode(f, 'JUMP_IF_FALSE_OR_POP')
self.assertInBytecode(f, 'POP_JUMP_IF_TRUE')
self.assertInBytecode(f, 'POP_JUMP_FORWARD_IF_TRUE')
def test_elim_jump_after_return1(self):
# Eliminate dead code: jumps immediately after returns can't be reached