[clang] [llvm] [Hexagon] NFC: Reduce the amount of version-specific code (PR #145812)

[Alexey Karyakin via llvm-commits]

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@@ -70,6 +70,8 @@ MCRegisterInfo *createHexagonMCRegisterInfo(StringRef TT);
 namespace Hexagon_MC {
   StringRef selectHexagonCPU(StringRef CPU);
 
+  /** Return a set of extra features to set. The returned set is not a
+   * transitive closure. */
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quic-akaryaki wrote:

Done.

https://github.com/llvm/llvm-project/pull/145812