[llvm] [RISCV] Insert a freeze before converting select to AND/OR. (PR #84232)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

Should we insert a `freeze` node in the following code as well?

https://github.com/llvm/llvm-project/blob/91808c845fd6f0624525b6d6348b2c284628ce58/llvm/lib/Target/RISCV/RISCVISelLowering.cpp#L7392-L7410

https://github.com/llvm/llvm-project/pull/84232