[llvm-branch-commits] [llvm] release/21.x: [LoongArch] Add `isSafeToMove` hook to prevent unsafe instruction motion (#163725) (PR #166936)

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dyung wrote:

Hi @heiher, we are currently only accepting potential patches for the 21.x release branch that fix regressions from a prior release or are major bugs. This does not seem to be either to me, but can you help me to understand whether this meets either for possible inclusion?

https://github.com/llvm/llvm-project/pull/166936