Fix unions with zero variants

This commit is contained in:
gingerBill
2019-07-07 14:38:11 +01:00
parent b77c79294c
commit d99ffe604f
3 changed files with 11 additions and 7 deletions

View File

@@ -4008,8 +4008,12 @@ irValue *ir_emit_comp_against_nil(irProcedure *proc, TokenKind op_kind, irValue
irValue *len = ir_map_len(proc, x);
return ir_emit_comp(proc, op_kind, len, v_zero);
} else if (is_type_union(t)) {
irValue *tag = ir_emit_union_tag_value(proc, x);
return ir_emit_comp(proc, op_kind, tag, v_zero);
if (type_size_of(t) == 0) {
return ir_emit_comp(proc, op_kind, v_zero, v_zero);
} else {
irValue *tag = ir_emit_union_tag_value(proc, x);
return ir_emit_comp(proc, op_kind, tag, v_zero);
}
} else if (is_type_typeid(t)) {
irValue *invalid_typeid = ir_value_constant(t_typeid, exact_value_i64(0));
return ir_emit_comp(proc, op_kind, x, invalid_typeid);