[llvm] [llvm-exegesis][AArch64] Check for PAC keys before disabling them (PR #138643)

[Aiden Grossman via llvm-commits]

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@@ -207,16 +207,26 @@ class ExegesisAArch64Target : public ExegesisTarget {
 
     if (isPointerAuth(Opcode)) {
 #if defined(__aarch64__) && defined(__linux__)
+      
+      // Fix for some systems where PAC/PAG keys are present but is 
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boomanaiden154 wrote:

This comment could probably be more descriptive and instead of just stating that it is a fix, state the case that it is handling and what would happen if we do not handle that case.

https://github.com/llvm/llvm-project/pull/138643