[LoongArch] Support LoongArch-specific amswap[_db].{b/h} and amadd[_db].{b/h} instructions#113255

Merged

SixWeining merged 2 commits intollvm:mainfrom

tangaac:feature/lam-bh

Oct 23, 2024

Commits on Oct 22, 2024

support amswap[__db].{b/h} and amadd[__db].{b/h} instructions for LoongArch.
tangaac
committed

Commits on Oct 23, 2024

improve the code and update some tests
tangaac
committed