[llvm] [Verifier] Check function attributes related to branch protection (NFC) (PR #70565)

[Momchil Velikov via llvm-commits]

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@@ -2231,6 +2231,27 @@ void Verifier::verifyFunctionAttrs(FunctionType *FT, AttributeList Attrs,
   checkUnsignedBaseTenFuncAttr(Attrs, "patchable-function-prefix", V);
   checkUnsignedBaseTenFuncAttr(Attrs, "patchable-function-entry", V);
   checkUnsignedBaseTenFuncAttr(Attrs, "warn-stack-size", V);
+
+  if (Attrs.hasFnAttr("sign-return-adress")) {
+    StringRef S = Attrs.getFnAttr("sign-return-adress").getValueAsString();
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momchil-velikov wrote:

Done

https://github.com/llvm/llvm-project/pull/70565