[clang] [llvm] [LLVM][Clang][AArch64] Implement AArch64 build attributes (PR #118771)

[Oliver Stannard via llvm-commits]

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@@ -0,0 +1,140 @@
+//===-- AArch64BuildAttributes.cpp - AArch64 Build Attributes -------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/AArch64BuildAttributes.h"
+
+namespace llvm {
+namespace AArch64BuildAttributes {
+// AArch64 build attributes
+StringRef getSubsectionTag() { return "aeabi_subsection"; }
+StringRef getAttrTag() { return "aeabi_attribute"; }
+
+StringRef getVendorName(unsigned Vendor) {
+  switch (Vendor) {
+  case AEABI_FEATURE_AND_BITS:
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ostannard wrote:

These switch statements will need updating every time a new enum value is added, so I don't think the `VendorName` array is adding much, and you could just return string literals directly here.

https://github.com/llvm/llvm-project/pull/118771