text: // RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin %s -o - | FileCheck %s
  // rdar://16462586
  
  __attribute__((objc_runtime_name("MySecretNamespace.Protocol")))
  @protocol Protocol
  - (void) MethodP;
  + (void) ClsMethodP;
  @end
  
  __attribute__((objc_runtime_name("MySecretNamespace.Protocol2")))
  @protocol Protocol2
  - (void) MethodP2;
  + (void) ClsMethodP2;
  @end
  
  __attribute__((objc_runtime_name("MySecretNamespace.Protocol3")))
  @protocol Protocol3
  @end
  
  __attribute__((objc_runtime_name("MySecretNamespace.Message")))
  @interface Message <Protocol, Protocol2> {
    id MyIVAR;
  }
  
  @property(retain) Message *msgProp;
  @property(retain) Message<Protocol3> *msgProtoProp;
  @property(retain) id<Protocol3> idProtoProp;
  
  @end
  
  @implementation Message
  - (id) MyMethod {
    return MyIVAR;
  }
  
  + (id) MyClsMethod {
    return 0;
  }
  
  - (void) MethodP{}
  - (void) MethodP2{}
  
  + (void) ClsMethodP {}
  + (void) ClsMethodP2 {}
  @end
  
  // rdar://16877359
  __attribute__((objc_runtime_name("foo")))
  @interface SLREarth
  - (instancetype)init;
  + (instancetype)alloc;
  @end
  
  id Test16877359() {
      return [SLREarth alloc];
  }
  
  // CHECK: @"OBJC_IVAR_$_MySecretNamespace.Message.MyIVAR" = global i64 0
  // CHECK: @"OBJC_CLASS_$_MySecretNamespace.Message" = global %struct._class_t
  // CHECK: @"OBJC_METACLASS_$_MySecretNamespace.Message" = global %struct._class_t
  
  // CHECK: private unnamed_addr constant [42 x i8] c"T@\22MySecretNamespace.Message\22,&,V_msgProp\00"
  // CHECK: private unnamed_addr constant [76 x i8] c"T@\22MySecretNamespace.Message<MySecretNamespace.Protocol3>\22,&,V_msgProtoProp\00"
  // CHECK: private unnamed_addr constant [50 x i8] c"T@\22<MySecretNamespace.Protocol3>\22,&,V_idProtoProp\00"
  
  // CHECK: @"OBJC_CLASS_$_foo" = external global %struct._class_t
  // CHECK: define internal i8* @"\01-[Message MyMethod]"
  // CHECK: [[IVAR:%.*]] = load i64, i64* @"OBJC_IVAR_$_MySecretNamespace.Message.MyIVAR"
  