1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
// REQUIRES: x86-registered-target,x86-64-registered-target
// RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -S %s -o %t-64.s
// RUN: FileCheck -check-prefix CHECK-LP64 --input-file=%t-64.s %s
// RUN: %clang_cc1 -fblocks -fobjc-gc -triple i386-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -S %s -o %t-32.s
// RUN: FileCheck -check-prefix CHECK-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
|
