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| author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
|---|---|---|
| committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
| commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
| tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/CodeGenObjC/objc-read-weak-byref.m | |
| parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) | |
Add the clang library to the repo (with some of my changes, too).
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 |