nikic added a comment.

In D158169#4645012 <https://reviews.llvm.org/D158169#4645012>, @RalfJung wrote:

>> I think the CCIfSplit means it was larger than i64 to start.
>
> What about the case where `R9` would take the *second* half of a split i128 
> (i.e., the value gets split across `R8` and `R9`)? Does that still work after 
> this patch?

Yes, this is the case tested in `@in_reg`. `CCIfSplit` only matches the first 
part of a split value, not all parts of it.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158169/new/

https://reviews.llvm.org/D158169

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