[llvm] [IR][AArch64] Add "ptrauth(...)" Constant to represent signed pointers. (PR #85738)

[Nikita Popov via llvm-commits]

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@@ -1578,6 +1578,21 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
     return;
   }
 
+  if (const ConstantPtrAuth *SP = dyn_cast<ConstantPtrAuth>(CV)) {
+    Out << "ptrauth (";
+
+    for (unsigned i = 0; i < SP->getNumOperands(); ++i) {
+      WriterCtx.TypePrinter->print(SP->getOperand(i)->getType(), Out);
+      Out << ' ';
+      WriteAsOperandInternal(Out, SP->getOperand(i), WriterCtx);
+      if (i != SP->getNumOperands() - 1)
+        Out << ", ";
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nikic wrote:

Can use `ListSeparator` for this.

https://github.com/llvm/llvm-project/pull/85738