[llvm-branch-commits] [llvm] Revert "[Mips] Fix missing sign extension in expansion of sub-word atomic max (#77072)" (PR #88818)

[Nikita Popov via llvm-branch-commits]

nikic wrote:

@yingopq The patches are not reverted in main, so you can base your fix on top of the existing changes (or revert them as part of your PR, if that's easier?)

https://github.com/llvm/llvm-project/pull/88818