[PATCH] D74338: [RFC][TableGen] Support combining AssemblerPredicates with ORs

[Simon Cook via Phabricator via llvm-commits]

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In D74338#1915415 <https://reviews.llvm.org/D74338#1915415>, @evandro wrote:

> It'd be nice if a single predicate wouldn't need `all_of`, but I don't feel strongly about it.


I was thinking about this when implementing the patch originally. I opted against that because it would be unlike other uses of dags in TableGen. I'm thinking in particular about RegisterClasses, where even for just a "stack pointer register class" we still do `(add R2)` in the definition.


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