diff --git a/llvm/include/llvm/IR/Type.h b/llvm/include/llvm/IR/Type.h
--- a/llvm/include/llvm/IR/Type.h
+++ b/llvm/include/llvm/IR/Type.h
@@ -515,6 +515,7 @@
   /// Return a pointer to the current type. This is equivalent to
   /// PointerType::get(Foo, AddrSpace).
   /// TODO: Remove this after opaque pointer transition is complete.
+  [[deprecated("Use 'PointerType::get(Ty, AddrSpace)' instead")]]
   PointerType *getPointerTo(unsigned AddrSpace = 0) const;
 
 private: