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

37 lines
1.1 KiB
Python

import unittest
from llvm.core import (Module, Type, Builder)
from .support import TestCase, tests
class TestExact(TestCase):
def make_module(self):
mod = Module.new('asdfa')
fnty = Type.function(Type.void(), [Type.int()] * 2)
func = mod.add_function(fnty, 'foo')
bldr = Builder.new(func.append_basic_block(''))
return mod, func, bldr
def has_exact(self, inst, op):
self.assertTrue(('%s exact' % op) in str(inst), "exact flag does not work")
def _test_template(self, opf, opname):
mod, func, bldr = self.make_module()
a, b = func.args
self.has_exact(opf(bldr, a, b, exact=True), opname)
def test_udiv_exact(self):
self._test_template(Builder.udiv, 'udiv')
def test_sdiv_exact(self):
self._test_template(Builder.sdiv, 'sdiv')
def test_lshr_exact(self):
self._test_template(Builder.lshr, 'lshr')
def test_ashr_exact(self):
self._test_template(Builder.ashr, 'ashr')
tests.append(TestExact)
if __name__ == '__main__':
unittest.main()