[PATCH] D113636: format_arg attribute does not support nullable instancetype return type

[Félix Cloutier via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG12ab3e6c8402: format_arg attribute does not support nullable instancetype return type (authored by fcloutier).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D113636/new/

https://reviews.llvm.org/D113636

Files:
  clang/lib/Sema/SemaDeclAttr.cpp
  clang/test/SemaObjC/format-arg-attribute.m


Index: clang/test/SemaObjC/format-arg-attribute.m
===================================================================
--- clang/test/SemaObjC/format-arg-attribute.m
+++ clang/test/SemaObjC/format-arg-attribute.m
@@ -2,7 +2,10 @@
 
 @interface NSString
 +(instancetype)stringWithCString:(const char *)cstr __attribute__((format_arg(1)));
-+(instancetype)stringWithString:(NSString *)cstr __attribute__((format_arg(1)));
+-(instancetype)initWithString:(NSString *)str __attribute__((format_arg(1)));
+
++(instancetype _Nonnull)nonNullableString:(NSString *)str __attribute__((format_arg(1)));
++(instancetype _Nullable)nullableString:(NSString *)str __attribute__((format_arg(1)));
 @end
 
 @protocol MaybeString
Index: clang/lib/Sema/SemaDeclAttr.cpp
===================================================================
--- clang/lib/Sema/SemaDeclAttr.cpp
+++ clang/lib/Sema/SemaDeclAttr.cpp
@@ -3389,7 +3389,8 @@
   }
   Ty = getFunctionOrMethodResultType(D);
   // replace instancetype with the class type
-  if (Ty.getTypePtr() == S.Context.getObjCInstanceTypeDecl()->getTypeForDecl())
+  auto Instancetype = S.Context.getObjCInstanceTypeDecl()->getTypeForDecl();
+  if (Ty->getAs<TypedefType>() == Instancetype)
     if (auto *OMD = dyn_cast<ObjCMethodDecl>(D))
       if (auto *Interface = OMD->getClassInterface())
         Ty = S.Context.getObjCObjectPointerType(


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