[clang] [llvm] [X86] Support apxf in attribute target (PR #184078)

[Phoebe Wang via cfe-commits]

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@@ -778,6 +778,22 @@ llvm::X86::getCpuSupportsMask(ArrayRef<StringRef> FeatureStrs) {
   return FeatureMask;
 }
 
+bool llvm::X86::expandAPXFeatures(StringRef Name, const llvm::Triple &Triple,
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phoebewang wrote:

Would it better to use bool `IsOSWindows`?

https://github.com/llvm/llvm-project/pull/184078