Reorganize and cleanup tests

llvm/tests/test_llrt.py

@@ -0,0 +1,34 @@
+import unittest
+import llvm.core as lc
+import llvm.ee as le
+from .support import TestCase, tests
+
+class TestLLRT(TestCase):
+    def test_llrt_divmod(self):
+        from llvm import llrt
+        m = lc.Module.new('testllrt')
+        longlong = lc.Type.int(64)
+        lfunc = m.add_function(lc.Type.function(longlong, [longlong, longlong]), 'foo')
+        bldr = lc.Builder.new(lfunc.append_basic_block(''))
+        bldr.ret(bldr.udiv(*lfunc.args))
+
+        llrt.replace_divmod64(lfunc)
+
+        rt = llrt.LLRT()
+        rt.install_symbols()
+
+        engine = le.EngineBuilder.new(m).create()
+        pointer = engine.get_pointer_to_function(lfunc)
+
+        from ctypes import CFUNCTYPE, c_uint64
+        func = CFUNCTYPE(c_uint64, c_uint64, c_uint64)(pointer)
+        a, b = 98342, 2231
+        self.assertEqual(func(98342, 2231), 98342 // 2231)
+
+        rt.uninstall_symbols()
+
+tests.append(TestLLRT)
+
+if __name__ == '__main__':
+    unittest.main()
+