xref: /aosp_15_r20/external/clang/test/CodeGenObjC/objc-read-weak-byref.m (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li// RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \
2*67e74705SXin Li// RUN: FileCheck %s
3*67e74705SXin Li// RUN: %clang_cc1 -fblocks -fobjc-gc -triple i386-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \
4*67e74705SXin Li// RUN: FileCheck %s
5*67e74705SXin Li
6*67e74705SXin Li@interface NSObject
7*67e74705SXin Li- copy;
8*67e74705SXin Li@end
9*67e74705SXin Li
10*67e74705SXin Liint main() {
11*67e74705SXin Li    NSObject *object = 0;
12*67e74705SXin Li    __weak __block NSObject* weak_object = object;
13*67e74705SXin Li    void (^callback) (void) = [^{
14*67e74705SXin Li        if (weak_object)
15*67e74705SXin Li                [weak_object copy];
16*67e74705SXin Li    } copy];
17*67e74705SXin Li    callback();
18*67e74705SXin Li    return 0;
19*67e74705SXin Li}
20*67e74705SXin Li
21*67e74705SXin Li// CHECK: call i8* @objc_read_weak
22*67e74705SXin Li// CHECK: call i8* @objc_read_weak
23