[llvm] [RISCV] Simplify Zcf/Zce/Zcd Predicates (PR #155035)

[Craig Topper via llvm-commits]

topperc wrote:

I don't think it is a good idea to make every frontend adapt to this. I agree with the comments in the Zig ticket. I've also been thinking about how to do this in the RISCV subtarget constructor.

https://github.com/llvm/llvm-project/pull/155035