Sean Silva 140babd952 Add minimal support for Union types. ... A recent PyTorch commit made ConstantPad2d call a helper function with a `Union[int, float]` type annotated. This commit adds minimal support for representing and dealing with that. https://github.com/pytorch/pytorch/pull/73287 Changes: - Adding support for `!torch.union<T1, T2, T3>`/`Torch::UnionType`, along with the importer and CAPI code. - Add support in isValidSubtype for union types. - Adding a canonicalizer for `torch.derefine` to help simplify some code that derefines to a UnionType (this also fixes #664). There is still more work to do for really supporting UnionType well, such as canonicalizing UnionType's so that they can be compared with pointer equality.		2022-03-29 17:45:48 -07:00
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Torch	Add minimal support for Union types.	2022-03-29 17:45:48 -07:00
TorchConversion	Bump LLVM at 8361c5da30588d3d4a48eae648f53be1feb5cfad	2022-03-18 13:16:14 -04:00