diff --git a/python/tvm/_ffi/runtime_ctypes.py b/python/tvm/_ffi/runtime_ctypes.py
index 8fa96780..38c8f1d0 100644
--- a/python/tvm/_ffi/runtime_ctypes.py
+++ b/python/tvm/_ffi/runtime_ctypes.py
@@ -65,10 +65,7 @@ class TVMType(ctypes.Structure):
             head = ""
         else:
             raise ValueError("Donot know how to handle type %s" % type_str)
-
         bits = int(head) if head else bits
-        if (bits & (bits - 1)) != 0 or bits < 8:
-            raise ValueError("Donot know how to handle type %s" % type_str)
         self.bits = bits
 
 
diff --git a/tests/python/unittest/test_codegen_llvm.py b/tests/python/unittest/test_codegen_llvm.py
index 2ac4ffa3..cb171306 100644
--- a/tests/python/unittest/test_codegen_llvm.py
+++ b/tests/python/unittest/test_codegen_llvm.py
@@ -231,6 +231,7 @@ def test_multiple_func():
     check_llvm()
 
 
+
 def test_llvm_select():
     def check_llvm(n, offset):
         if not tvm.module.enabled("llvm"):
@@ -251,7 +252,27 @@ def test_llvm_select():
     check_llvm(64, 8)
 
 
+def test_llvm_bool():
+    def check_llvm(n):
+        if not tvm.module.enabled("llvm"):
+            return
+        A = tvm.placeholder((n, ), name='A', dtype="int32")
+        C = tvm.compute((n,), lambda i: A[i].equal(1).astype("float"), name='C')
+        s = tvm.create_schedule(C.op)
+        # build and invoke the kernel.
+        f = tvm.build(s, [A, C], "llvm")
+        ctx = tvm.cpu(0)
+        # launch the kernel.
+        a = tvm.nd.array(np.random.randint(0, 2, size=(n,)).astype(A.dtype), ctx)
+        c = tvm.nd.empty((n,), C.dtype, ctx)
+        f(a, c)
+        c_np = a.asnumpy() == 1
+        np.testing.assert_allclose(c.asnumpy(), c_np)
+    check_llvm(64)
+
+
 if __name__ == "__main__":
+    test_llvm_bool()
     test_llvm_persist_parallel()
     test_llvm_select()
     test_llvm_vadd_pipeline()