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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-X86-64 %s
__attribute__((weak_import)) @interface WeakRootClass @end
__attribute__((weak_import)) @interface WeakClass : WeakRootClass
@end
@interface MySubclass : WeakClass @end
@implementation MySubclass @end
@implementation WeakClass(MyCategory) @end
__attribute__((weak_import))
@interface WeakClass1 @end
@implementation WeakClass1(MyCategory) @end
@implementation WeakClass1(YourCategory) @end
__attribute__((weak_import))
@interface WeakClass3
+ message;
@end
int main() {
[WeakClass3 message];
}
// CHECK-X86-64: OBJC_METACLASS_$_WeakRootClass" = extern_weak global
// CHECK-X86-64: OBJC_METACLASS_$_WeakClass" = extern_weak global
// CHECK-X86-64: OBJC_CLASS_$_WeakClass" = extern_weak global
// CHECK-X86-64: OBJC_CLASS_$_WeakClass1" = extern_weak global
// CHECK-X86-64: OBJC_CLASS_$_WeakClass3" = extern_weak global
// Root is being implemented here. No extern_weak.
__attribute__((weak_import)) @interface Root @end
@interface Super : Root @end
@interface Sub : Super @end
@implementation Sub @end
@implementation Root @end
// CHECK-NOT-X86-64: OBJC_METACLASS_$_Root" = extern_weak global
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