Skip to content

Commit

Permalink
pythongh-115999: Move specializer test from test_dis to test_opcache (p…
Browse files Browse the repository at this point in the history
  • Loading branch information
corona10 authored and picnixz committed Nov 19, 2024
1 parent ba2cf73 commit 393f5b5
Show file tree
Hide file tree
Showing 2 changed files with 59 additions and 45 deletions.
45 changes: 1 addition & 44 deletions Lib/test/test_dis.py
Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,7 @@
import types
import unittest
from test.support import (captured_stdout, requires_debug_ranges,
requires_specialization, requires_specialization_ft,
cpython_only)
requires_specialization, cpython_only)
from test.support.bytecode_helper import BytecodeTestCase

import opcode
Expand Down Expand Up @@ -1261,27 +1260,6 @@ def test_super_instructions(self):
got = self.get_disassembly(load_test, adaptive=True)
self.do_disassembly_compare(got, dis_load_test_quickened_code)

@cpython_only
@requires_specialization_ft
def test_binary_specialize(self):
binary_op_quicken = """\
0 RESUME_CHECK 0
1 LOAD_NAME 0 (a)
LOAD_NAME 1 (b)
%s
RETURN_VALUE
"""
co_int = compile('a + b', "<int>", "eval")
self.code_quicken(lambda: exec(co_int, {}, {'a': 1, 'b': 2}))
got = self.get_disassembly(co_int, adaptive=True)
self.do_disassembly_compare(got, binary_op_quicken % "BINARY_OP_ADD_INT 0 (+)")

co_unicode = compile('a + b', "<unicode>", "eval")
self.code_quicken(lambda: exec(co_unicode, {}, {'a': 'a', 'b': 'b'}))
got = self.get_disassembly(co_unicode, adaptive=True)
self.do_disassembly_compare(got, binary_op_quicken % "BINARY_OP_ADD_UNICODE 0 (+)")

@cpython_only
@requires_specialization
def test_binary_subscr_specialize(self):
Expand Down Expand Up @@ -1335,27 +1313,6 @@ def test_call_specialize(self):
got = self.get_disassembly(co, adaptive=True)
self.do_disassembly_compare(got, call_quicken)

@cpython_only
@requires_specialization_ft
def test_contains_specialize(self):
contains_op_quicken = """\
0 RESUME_CHECK 0
1 LOAD_NAME 0 (a)
LOAD_NAME 1 (b)
%s
RETURN_VALUE
"""
co_dict = compile('a in b', "<dict>", "eval")
self.code_quicken(lambda: exec(co_dict, {}, {'a': 1, 'b': {1: 5}}))
got = self.get_disassembly(co_dict, adaptive=True)
self.do_disassembly_compare(got, contains_op_quicken % "CONTAINS_OP_DICT 0 (in)")

co_set = compile('a in b', "<set>", "eval")
self.code_quicken(lambda: exec(co_set, {}, {'a': 1.0, 'b': {1, 2, 3}}))
got = self.get_disassembly(co_set, adaptive=True)
self.do_disassembly_compare(got, contains_op_quicken % "CONTAINS_OP_SET 0 (in)")

@cpython_only
@requires_specialization
def test_loop_quicken(self):
Expand Down
59 changes: 58 additions & 1 deletion Lib/test/test_opcache.py
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,9 @@
import threading
import types
import unittest
from test.support import threading_helper, check_impl_detail, requires_specialization
from test.support import (threading_helper, check_impl_detail,
requires_specialization, requires_specialization_ft,
cpython_only)
from test.support.import_helper import import_module

# Skip this module on other interpreters, it is cpython specific:
Expand Down Expand Up @@ -34,6 +36,11 @@ def assert_specialized(self, f, opname):
opnames = {instruction.opname for instruction in instructions}
self.assertIn(opname, opnames)

def assert_no_opcode(self, f, opname):
instructions = dis.get_instructions(f, adaptive=True)
opnames = {instruction.opname for instruction in instructions}
self.assertNotIn(opname, opnames)


class TestLoadSuperAttrCache(unittest.TestCase):
def test_descriptor_not_double_executed_on_spec_fail(self):
Expand Down Expand Up @@ -1200,5 +1207,55 @@ def f(o, n):
self.assertEqual(test_obj.b, 0)


class TestSpecializer(TestBase):

@cpython_only
@requires_specialization_ft
def test_binary_op(self):
def f():
for _ in range(100):
a, b = 1, 2
c = a + b
self.assertEqual(c, 3)

f()
self.assert_specialized(f, "BINARY_OP_ADD_INT")
self.assert_no_opcode(f, "BINARY_OP")

def g():
for _ in range(100):
a, b = "foo", "bar"
c = a + b
self.assertEqual(c, "foobar")

g()
self.assert_specialized(g, "BINARY_OP_ADD_UNICODE")
self.assert_no_opcode(g, "BINARY_OP")

@cpython_only
@requires_specialization_ft
def test_contain_op(self):
def f():
for _ in range(100):
a, b = 1, {1: 2, 2: 5}
self.assertTrue(a in b)
self.assertFalse(3 in b)

f()
self.assert_specialized(f, "CONTAINS_OP_DICT")
self.assert_no_opcode(f, "CONTAINS_OP")

def g():
for _ in range(100):
a, b = 1, {1, 2}
self.assertTrue(a in b)
self.assertFalse(3 in b)

g()
self.assert_specialized(g, "CONTAINS_OP_SET")
self.assert_no_opcode(g, "CONTAINS_OP")



if __name__ == "__main__":
unittest.main()

0 comments on commit 393f5b5

Please sign in to comment.