[llvm-branch-commits] [LoongArch] Use sign extend for i32 arguments in makeLibCall on LA64 (PR #92375)

[via llvm-branch-commits]

https://github.com/wangleiat created https://github.com/llvm/llvm-project/pull/92375

The 32 bits arguments and returns on LA64 are always sign extended to
i64. So we should be taking this into account around libcalls.