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gh-101632: Add the new RETURN_CONST opcode (#101633)

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penguin_wwy 2023-02-08 06:32:21 +08:00 • committed by GitHub
parent 0d3d5007b1
commit 753fc8a5d6
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19 changed files with 186 additions and 154 deletions
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18
Lib/test/test_compile.py
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@ -741,7 +741,7 @@ if 1:
# RETURN_VALUE opcode. This does not always crash an interpreter.
# When you build with the clang memory sanitizer it reliably aborts.
self.assertEqual(
'RETURN_VALUE',
'RETURN_CONST',
list(dis.get_instructions(unused_code_at_end))[-1].opname)
def test_dont_merge_constants(self):
@ -822,10 +822,9 @@ if 1:
for func in funcs:
opcodes = list(dis.get_instructions(func))
self.assertLessEqual(len(opcodes), 4)
self.assertEqual('LOAD_CONST', opcodes[-2].opname)
self.assertEqual(None, opcodes[-2].argval)
self.assertEqual('RETURN_VALUE', opcodes[-1].opname)
self.assertLessEqual(len(opcodes), 3)
self.assertEqual('RETURN_CONST', opcodes[-1].opname)
self.assertEqual(None, opcodes[-1].argval)
def test_false_while_loop(self):
def break_in_while():
@ -841,10 +840,9 @@ if 1:
# Check that we did not raise but we also don't generate bytecode
for func in funcs:
opcodes = list(dis.get_instructions(func))
self.assertEqual(3, len(opcodes))
self.assertEqual('LOAD_CONST', opcodes[1].opname)
self.assertEqual(2, len(opcodes))
self.assertEqual('RETURN_CONST', opcodes[1].opname)
self.assertEqual(None, opcodes[1].argval)
self.assertEqual('RETURN_VALUE', opcodes[2].opname)
def test_consts_in_conditionals(self):
def and_true(x):
@ -1311,7 +1309,7 @@ assert (a > 0 and
line=1, end_line=2, column=1, end_column=8, occurrence=1)
self.assertOpcodeSourcePositionIs(compiled_code, 'JUMP_BACKWARD',
line=1, end_line=2, column=1, end_column=8, occurrence=1)
self.assertOpcodeSourcePositionIs(compiled_code, 'RETURN_VALUE',
self.assertOpcodeSourcePositionIs(compiled_code, 'RETURN_CONST',
line=1, end_line=6, column=0, end_column=32, occurrence=1)
def test_multiline_async_generator_expression(self):
@ -1328,7 +1326,7 @@ assert (a > 0 and
self.assertIsInstance(compiled_code, types.CodeType)
self.assertOpcodeSourcePositionIs(compiled_code, 'YIELD_VALUE',
line=1, end_line=2, column=1, end_column=8, occurrence=2)
self.assertOpcodeSourcePositionIs(compiled_code, 'RETURN_VALUE',
self.assertOpcodeSourcePositionIs(compiled_code, 'RETURN_CONST',
line=1, end_line=6, column=0, end_column=32, occurrence=1)
def test_multiline_list_comprehension(self):