Matt Arsenault 7834194837 TableGen: Introduce generated getSubRegisterClass function ...

Currently there isn't a generic way to get a smaller register class
that can be produced from a subregister of a larger class. Replaces a
manually implemented version for AMDGPU. This will be used to improve
subregister support in the allocator.

2022-09-12 09:03:37 -04:00

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