1 // RUN: %clang_cc1 -triple x86_64-apple-macosx -emit-llvm %s -o - | FileCheck %s 2 3 // Test that we produce a declaration for the protocol. It must be matched 4 // by a definition in another TU, so external is the correct linkage 5 // (not extern_weak). 6 // CHECK: @"\01l_OBJC_PROTOCOL_$_p1" = external global 7 8 @interface NSObject 9 @end 10 11 @protocol p1; 12 13 @interface I1 : NSObject <p1> 14 @end 15 16 @implementation I1 17 @end 18
