diff options
Diffstat (limited to 'clang/test/CodeGenObjC/objc-read-weak-byref.m')
| -rw-r--r-- | clang/test/CodeGenObjC/objc-read-weak-byref.m | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/objc-read-weak-byref.m b/clang/test/CodeGenObjC/objc-read-weak-byref.m new file mode 100644 index 0000000..8fe1436 --- /dev/null +++ b/clang/test/CodeGenObjC/objc-read-weak-byref.m @@ -0,0 +1,26 @@ +// REQUIRES: x86-registered-target,x86-64-registered-target +// RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -fobjc-fragile-abi -S %s -o %t-64.s +// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s +// RUN: %clang_cc1 -fblocks -fobjc-gc -triple i386-apple-darwin -fobjc-fragile-abi -S %s -o %t-32.s +// RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s + +@interface NSObject +- copy; +@end + +int main() { + NSObject *object = 0; + __weak __block NSObject* weak_object = object; + void (^callback) (void) = [^{ + if (weak_object) + [weak_object copy]; + } copy]; + callback(); + return 0; +} + +// CHECK-LP64: callq _objc_read_weak +// CHECK-LP64: callq _objc_read_weak + +// CHECK-LP32: calll L_objc_read_weak +// CHECK-LP32: calll L_objc_read_weak |