[llvm-branch-commits] [clang] [clang] Define ptrauth_sign_constant builtin. (PR #93904)

[Ahmed Bougacha via llvm-branch-commits]

================
@@ -2061,6 +2071,58 @@ ConstantLValueEmitter::VisitCallExpr(const CallExpr *E) {
   }
 }
 
+ConstantLValue
+ConstantLValueEmitter::emitPointerAuthSignConstant(const CallExpr *E) {
+  llvm::Constant *UnsignedPointer = emitPointerAuthPointer(E->getArg(0));
+  unsigned Key = emitPointerAuthKey(E->getArg(1));
+  llvm::Constant *StorageAddress;
+  llvm::Constant *OtherDiscriminator;
+  std::tie(StorageAddress, OtherDiscriminator) =
----------------
ahmedbougacha wrote:

Yeah, this simply predates structured bindings;  we can indeed use them now.

https://github.com/llvm/llvm-project/pull/93904