llvmpy/llvm/tests/test_switch.py
2013-10-04 15:24:30 +08:00

36 lines
952 B
Python

import unittest
from llvm.core import (Module, Type, Builder, Constant)
from .support import TestCase, tests
class TestSwitch(TestCase):
def test_arg_attr(self):
m = Module.new('oifjda')
fnty = Type.function(Type.void(), [Type.int()])
func = m.add_function(fnty, 'foo')
bb = func.append_basic_block('')
bbdef = func.append_basic_block('')
bbsw1 = func.append_basic_block('')
bbsw2 = func.append_basic_block('')
bldr = Builder.new(bb)
swt = bldr.switch(func.args[0], bbdef, n=2)
swt.add_case(Constant.int(Type.int(), 0), bbsw1)
swt.add_case(Constant.int(Type.int(), 1), bbsw2)
bldr.position_at_end(bbsw1)
bldr.ret_void()
bldr.position_at_end(bbsw2)
bldr.ret_void()
bldr.position_at_end(bbdef)
bldr.ret_void()
func.verify()
tests.append(TestSwitch)
if __name__ == '__main__':
unittest.main()