[clang] [llvm] [RISCV][Zicfilp] Enable Zicfilp CFI compiler behaviors by looking at module flags (PR #152121)

[Ming-Yi Lai via llvm-commits]

mylai-mtk wrote:

Ping. The current patch set is stable from my standpoint, so please take time to review it again. For the second reviewer required by @ lenary, I would like to invite @topperc to leave some comments about the current approach of modelling module flags as target features. Thanks. 

https://github.com/llvm/llvm-project/pull/152121