[PATCH] D50977: [TableGen] Prefer user-defined subregister compositions over inferred ones

[Krzysztof Parzyszek via Phabricator via llvm-commits]

kparzysz added a comment.

In https://reviews.llvm.org/D50977#1246893, @bjope wrote:

> So it should not be possible to do `subreg_h32(V0)`, right?


Tablegen makes registers "inherit" some subregister indices from their subregisters, so you can end up with a h32 of a register that didn't initially have it.


Repository:
  rL LLVM

https://reviews.llvm.org/D50977