[llvm] [RISCV] Optimize (and (icmp x, 0, neq), (icmp y, 0, neq)) utilizing zicond extension (PR #166469)

[Ryan Buchner via llvm-commits]

bababuck wrote:

@topperc thanks for the help and getting me pointed in the right direction.

https://github.com/llvm/llvm-project/pull/166469