[llvm-branch-commits] [llvm] release/18.x: [LoongArch] Override LoongArchTargetLowering::getExtendForAtomicCmpSwapArg (#83656) (PR #83750)

[WÁNG Xuěruì via llvm-branch-commits]

xen0n wrote:

I agree with backporting the change, as the actual code change is trivial and fixes a bug regarding atomic ops, which is known to be a subtle area important to overall system stability. Without the backport distro maintainers would still have to cherry-pick it themselves, duplicating efforts.

https://github.com/llvm/llvm-project/pull/83750