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

[Orlando Cazalet-Hyams via llvm-branch-commits]

OCHyams wrote:

> @OCHyams What do you think about merging this PR to the release branch?

One of the other reviewers is likely better placed to comment here - cc @wangleiat @zhaoqi5 @SixWeining, please could you take a look

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