[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:
+    return VendorName[AEABI_FEATURE_AND_BITS];
+  case AEABI_PAUTHABI:
+    return VendorName[AEABI_PAUTHABI];
+  case VENDOR_UNKNOWN:
+    return "";
+  default:
+    assert(0 && "Vendor name error");
+    return "";
+  }
+}
+VendorID getVendorID(StringRef Vendor) {
+  if (Vendor == VendorName[AEABI_FEATURE_AND_BITS]) {
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ostannard wrote:

For the string->enum functions, you can use `llvm::StringSwitch`: https://llvm.org/doxygen/classllvm_1_1StringSwitch.html

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