[clang] [llvm] Implement a subset of builtin_cpu_supports() features (PR #82809)

[Nemanja Ivanovic via cfe-commits]

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@@ -364,7 +364,14 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
   // have Glibc since it is Glibc that provides the HWCAP[2] in the auxv.
   static constexpr int MINIMUM_AIX_OS_MAJOR = 7;
   static constexpr int MINIMUM_AIX_OS_MINOR = 2;
-  bool supportsCpuSupports() const override { return getTriple().isOSGlibc(); }
+  bool supportsCpuSupports() const override {
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nemanjai wrote:

My personal preference is to keep them separate as the added verbosity makes it very obvious what is being queried.

https://github.com/llvm/llvm-project/pull/82809