[llvm-branch-commits] [llvm] AArch64: Relax x16/x17 constraint on AUT in certain cases. (PR #132857)

[Anatoly Trosinenko via llvm-branch-commits]

================
@@ -2146,23 +2153,19 @@ void AArch64AsmPrinter::emitPtrauthAuthResign(const MachineInstr *MI) {
   if (!IsAUTPAC)
     return;
 
-  auto PACKey = (AArch64PACKey::ID)MI->getOperand(3).getImm();
-  uint64_t PACDisc = MI->getOperand(4).getImm();
-  unsigned PACAddrDisc = MI->getOperand(5).getReg();
-
   // Compute pac discriminator into x17
----------------
atrosinenko wrote:

[nit]
```suggestion
  // Compute pac discriminator
```

https://github.com/llvm/llvm-project/pull/132857