def _test_as_arguments(self, fe_args):
"""
Test round-tripping types *fe_args* through the default data model's
argument conversion and unpacking logic.
"""
dmm = datamodel.default_manager
fi = datamodel.ArgPacker(dmm, fe_args)
module = ir.Module()
fnty = ir.FunctionType(ir.VoidType(), [])
function = ir.Function(module, fnty, name="test_arguments")
builder = ir.IRBuilder()
builder.position_at_end(function.append_basic_block())
args = [
ir.Constant(dmm.lookup(t).get_value_type(), None) for t in fe_args
]
# Roundtrip
values = fi.as_arguments(builder, args)
asargs = fi.from_arguments(builder, values)
self.assertEqual(len(asargs), len(fe_args))
valtys = tuple([v.type for v in values])
self.assertEqual(valtys, fi.argument_types)
expect_types = [a.type for a in args]
got_types = [a.type for a in asargs]
self.assertEqual(expect_types, got_types)
builder.ret_void()
ll.parse_assembly(str(module))
def get_arg_packer(self, fe_args):
return datamodel.ArgPacker(self.data_model_manager, fe_args)
