def test_comparisons(self):
# A bunch of mutually unequal types
types = [
ir.LabelType(), ir.VoidType(),
ir.FunctionType(int1, (int8, int8)), ir.FunctionType(int1, (int8,)),
ir.FunctionType(int1, (int8,), var_arg=True),
ir.FunctionType(int8, (int8,)),
int1, int8, int32, flt, dbl,
ir.ArrayType(flt, 5), ir.ArrayType(dbl, 5), ir.ArrayType(dbl, 4),
ir.LiteralStructType((int1, int8)), ir.LiteralStructType((int8, int1)),
]
types.extend([ir.PointerType(tp) for tp in types
if not isinstance(tp, ir.VoidType)])
for a, b in itertools.product(types, types):
if a is not b:
self.assertFalse(a == b, (a, b))
self.assertTrue(a != b, (a, b))
# We assume copy.copy() works fine here...
for tp in types:
other = copy.copy(tp)
self.assertIsNot(other, tp)
if isinstance(tp, ir.LabelType):
self.assertFalse(tp == other, (tp, other))
self.assertTrue(tp != other, (tp, other))
else:
self.assertTrue(tp == other, (tp, other))
self.assertFalse(tp != other, (tp, other))
def irbase(base):
ir_base = dict({
"int": ir.IntType(32),
"byte": ir.IntType(8),
"logic": ir.IntType(1),
"void": ir.VoidType(),
"label": ir.LabelType(),
})
return ir_base[base]