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