[PATCH] D34391: [RegisterCoalescer] Fix for SubRange join unreachable

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In https://reviews.llvm.org/D34391#787997, @dstuttard wrote:

> Updating in line with comments from reviewers
>
> I haven't updated the test to .mir as I don't fully understand what
>  @arsenm means - perhaps if we discuss offline I can do a subsequent patch to
>  update the test, but the one there will suffice for now?


The TargetCustom error is from the pseudo value source used for the buffer intrinsics memory operands. If you remove those you should avoid the error. Also it may still reproduce if you replace the intrinsics in the IR with volatile loads


https://reviews.llvm.org/D34391