[libc-commits] [libc] [llvm] [LoongArch] Support ISD::SET_ROUNDING (llvm.set.rounding) (PR #205051)

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wangleiat wrote:

Was this change created with an AI tool? If so, please ensure it complies with the [LLVM AI Tool Use Policy](https://llvm.org/docs/AIToolPolicy.html).

By the way, the test is still failing.

https://github.com/llvm/llvm-project/pull/205051