[llvm] [LoongArch] Eliminate the redundant sign extension of division (PR #107971)

[Tobias Hieta via llvm-commits]

tru wrote:

Reverting d752f29fb333d47724484e08b32d6499cc1e460e and 78654faa0c6d9dc2f72b81953b9cffbb7675755b makes the tests work again. So I am currently thinking I will revert these two in order to get the release out on schedule and someone can make a new PR with complete fixes for 19.1.1.

https://github.com/llvm/llvm-project/pull/107971