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23 lines
625 B
23 lines
625 B
4 months ago
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// RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \
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// RUN: FileCheck %s
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// RUN: %clang_cc1 -fblocks -fobjc-gc -triple i386-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \
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// RUN: FileCheck %s
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@interface NSObject
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- copy;
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@end
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int main() {
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NSObject *object = 0;
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__weak __block NSObject* weak_object = object;
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void (^callback) (void) = [^{
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if (weak_object)
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[weak_object copy];
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} copy];
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callback();
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return 0;
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}
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// CHECK: call i8* @objc_read_weak
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// CHECK: call i8* @objc_read_weak
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