| // 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_$_WeakClass3" = extern_weak global |
| |
| // Root is being implemented here. No extern_weak. |
| __attribute__((weak_import)) @interface Root @end |
| |
| @interface Super : Root @end |
| |
| @interface Sub : Super @end |
| |
| @implementation Sub @end |
| |
| @implementation Root @end |
| |
| // CHECK-X86-64-NOT: OBJC_METACLASS_$_Root" = extern_weak global |