[PATCH] D43542: [CodeGen][FastRegAlloc] Disable registers spilling for a naked function (PR28641)

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet added a comment.

> The %1 assignment is dead but not marked as such. I'm not 100% sure whether it is allowed to omit dead flags.

I think it is *not* allowed to omit dead flags.
The question though is why SDISel doesn't set them.


https://reviews.llvm.org/D43542