[llvm-branch-commits] [llvm] [AArch64][PAC] Emit tail calls more efficiently (PR #220193)

[Victor Campos via llvm-branch-commits]

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@@ -3519,6 +3493,21 @@ void AArch64AsmPrinter::emitInstruction(const MachineInstr *MI) {
     emitPtrauthBranch(MI);
     return;
 
+  case AArch64::PAUTH_CHECK_LR: {
+    assert(MI->getNumImplicitOperands() == 1 && "Scratch register expected");
+    Register ScratchReg = MI->implicit_operands().begin()->getReg();
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vhscampos wrote:

Move this line below the early return

https://github.com/llvm/llvm-project/pull/220193