[PATCH] D43409: [GISel]: Don't assert when constraining Registers which are uses if there's no regclass.

[Aditya Nandakumar via Phabricator via llvm-commits]

aditya_nandakumar added a comment.

In https://reviews.llvm.org/D43409#1010788, @dsanders wrote:

> There isn't an `unknown_tuple` in tree. I think you're referring to `unknown_class` and `unknown` which have only been used by AMDGPU so far. Is that correct?


Thanks Daniel. That's what I meant (clearly I got confused with names).


Repository:
  rL LLVM

https://reviews.llvm.org/D43409