[clang] [CIR] Added fast-math flags to LLVM intrinsic calls (PR #224899)

[Andy Kaylor via cfe-commits]

https://github.com/andykaylor commented:

Do you need this for something? I've been putting this off because I wanted to try to combine the representation of fast-math flags with other FP environment attributes but I haven't had time to work on it.

https://github.com/llvm/llvm-project/pull/224899