23 lines · plain
1// RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \2// RUN: FileCheck %s3// RUN: %clang_cc1 -fblocks -fobjc-gc -triple i386-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \4// RUN: FileCheck %s5 6@interface NSObject 7- copy;8@end9 10int main(void) {11 NSObject *object = 0;12 __weak __block NSObject* weak_object = object;13 void (^callback) (void) = [^{14 if (weak_object)15 [weak_object copy];16 } copy];17 callback();18 return 0;19}20 21// CHECK: call ptr @objc_read_weak22// CHECK: call ptr @objc_read_weak23