Add AllocaInstruction

llvm/tests/test_alloca.py

@@ -0,0 +1,24 @@
+import unittest
+from llvm.core import Type, Module, Builder, Constant
+from .support import TestCase, tests
+
+class TestAlloca(TestCase):
+    def test_alloca_alignment(self):
+        m = Module.new('')
+        f = m.add_function(Type.function(Type.void(), []), "foo")
+        b = Builder.new(f.append_basic_block(''))
+        inst = b.alloca(Type.int(32))
+        inst.alignment = 4
+        b.ret_void()
+        m.verify()
+
+        self.assertTrue(inst.is_static)
+        self.assertFalse(inst.is_array)
+        self.assertEqual(inst.alignment, 4)
+        self.assertEqual(str(inst.array_size), 'i32 1')
+
+tests.append(TestAlloca)
+
+if __name__ == '__main__':
+    unittest.main()
+