[llvm] [RISCV] Optimize `(and (i1) f, (setcc a, b, eq))` to use the zicond extension (PR #217946)

[Afonso Bordado via llvm-commits]

afonso360 wrote:

> Please reply to this message to confirm that you have read these policies, especially the LLVM AI Tool Use Policy, and that any AI tool usage has been noted in the PR description.

I have read the various policies, and believe this PR complies with all relevant parts

https://github.com/llvm/llvm-project/pull/217946