tqchen commented on issue #4486: [Arith] Bound for Shape Variables URL: https://github.com/apache/incubator-tvm/pull/4486#issuecomment-570111604 After looking at the set of changes, seems we still have quite a few places where we want to try to assume the properties of a Var. This makes me wonder if we should also revisit the option to bring more information to Variable, but instead of putting them inside Variable, we can subclass the Variable to create special vars(e.g. IterVar) that contains these information. Given that things are easier with the new Object system.
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