[clang] [compiler-rt] [llvm] [X86] Support APXF to enable __builtin_cpu_supports. (PR #80636)

[Freddy Ye via llvm-commits]

FreddyLeaf wrote:

> You may also need to transfer "apxf" feature into subfeatures here https://github.com/llvm/llvm-project/blob/main/clang/lib/Basic/Targets/X86.cpp#L106

Thanks for pointing out! This looks like the change required by supporting attribute((target("apxf"))). While that supports require other relate changes such as adding supports for apxf in X86TargetInfo::isValidFeatureName. I prefer to do it in another PR.


https://github.com/llvm/llvm-project/pull/80636