Add test to verify new pass APIs and loop-vectorizer.

test/loopvectorize.py

@@ -0,0 +1,38 @@
+from llvm.core import *
+from llvm.passes import *
+from llvm.ee import *
+from os.path import dirname, join as join_path
+
+import unittest
+import re
+
+class TestLoopVectorizer(unittest.TestCase):
+    def test_loop_vectorizer(self):
+
+        re_vector = re.compile("<\d+ x \w+>")
+
+        tm = TargetMachine.new(opt=3)
+
+        # Build passes
+        pm = build_pass_managers(tm, opt=3, loop_vectorize=True, fpm=False).pm
+
+        # Load test module
+        asmfile = join_path(dirname(__file__), 'loopvectorize.ll')
+        with open(asmfile) as asm:
+            mod = Module.from_assembly(asm)
+
+        before = str(mod)
+
+        pm.run(mod)
+
+        after = str(mod)
+        self.assertNotEqual(after, before)
+
+        before_vectors = re_vector.findall(before)
+        self.assertFalse(before_vectors)
+        after_vectors = re_vector.findall(after)
+        self.assertLess(len(before_vectors), len(after_vectors))
+
+
+if __name__ == '__main__':
+    unittest.main()