1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-X86-64 %s 2 3 __attribute__((weak_import)) @interface WeakRootClass @end 4 5 __attribute__((weak_import)) @interface WeakClass : WeakRootClass 6 @end 7 8 @interface MySubclass : WeakClass @end 9 10 @implementation MySubclass @end 11 12 @implementation WeakClass(MyCategory) @end 13 14 15 __attribute__((weak_import)) 16 @interface WeakClass1 @end 17 18 @implementation WeakClass1(MyCategory) @end 19 20 @implementation WeakClass1(YourCategory) @end 21 22 __attribute__((weak_import)) 23 @interface WeakClass3 24 + message; 25 @end 26 27 int main() { 28 [WeakClass3 message]; 29 } 30 31 // CHECK-X86-64: OBJC_METACLASS_$_WeakRootClass" = extern_weak global 32 // CHECK-X86-64: OBJC_METACLASS_$_WeakClass" = extern_weak global 33 // CHECK-X86-64: OBJC_CLASS_$_WeakClass" = extern_weak global 34 // CHECK-X86-64: OBJC_CLASS_$_WeakClass1" = extern_weak global 35 // CHECK-X86-64: OBJC_CLASS_$_WeakClass3" = extern_weak global 36 37 // Root is being implemented here. No extern_weak. 38 __attribute__((weak_import)) @interface Root @end 39 40 @interface Super : Root @end 41 42 @interface Sub : Super @end 43 44 @implementation Sub @end 45 46 @implementation Root @end 47 48 // CHECK-X86-64-NOT: OBJC_METACLASS_$_Root" = extern_weak global 49
