[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

[Daniil Kovalev via llvm-commits]

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@@ -2516,6 +2516,10 @@ bool AArch64FastISel::selectIndirectBr(const Instruction *I) {
   if (AddrReg == 0)
     return false;
 
+  // Authenticated indirectbr is not implemented yet.
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kovdan01 wrote:

It looks like that a test with FastISel ensuring that we fall back to SelectionDAG ISel is missing. I'm OK with adding missing tests later as a separate patch.

https://github.com/llvm/llvm-project/pull/97647