| // RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -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 -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: call L_objc_read_weak |
| // CHECK-LP32: call L_objc_read_weak |