xref: /aosp_15_r20/external/clang/test/ARCMT/no-canceling-bridge-to-bridge-cast.m (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li// RUN: %clang_cc1 -arcmt-check -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c -verify %s
2*67e74705SXin Li// rdar://10387088
3*67e74705SXin Litypedef const void * CFTypeRef;
4*67e74705SXin LiCFTypeRef CFBridgingRetain(id X);
5*67e74705SXin Liid CFBridgingRelease(CFTypeRef);
6*67e74705SXin Li
7*67e74705SXin Liextern
8*67e74705SXin LiCFTypeRef CFRetain(CFTypeRef cf);
9*67e74705SXin Li
10*67e74705SXin Li@interface INTF
11*67e74705SXin Li{
12*67e74705SXin Li  void *cf_format;
13*67e74705SXin Li  id objc_format;
14*67e74705SXin Li}
15*67e74705SXin Li@end
16*67e74705SXin Li
17*67e74705SXin Li@interface NSString
18*67e74705SXin Li+ (id)stringWithFormat:(NSString *)format;
19*67e74705SXin Li@end
20*67e74705SXin Li
21*67e74705SXin Li@implementation INTF
22*67e74705SXin Li- (void) Meth {
23*67e74705SXin Li  NSString *result;
24*67e74705SXin Li
25*67e74705SXin Li  result = (id) CFRetain([NSString stringWithFormat:@"PBXLoopMode"]); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
26*67e74705SXin Li								      // expected-note {{use __bridge to convert directly (no change in ownership)}} \
27*67e74705SXin Li								      // expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
28*67e74705SXin Li
29*67e74705SXin Li  result = (id) CFRetain((id)((objc_format))); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
30*67e74705SXin Li					       // expected-note {{use __bridge to convert directly (no change in ownership)}} \
31*67e74705SXin Li					       // expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
32*67e74705SXin Li
33*67e74705SXin Li  result = (id) CFRetain((id)((cf_format))); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
34*67e74705SXin Li					     // expected-note {{use __bridge to convert directly (no change in ownership)}} \
35*67e74705SXin Li                                             // expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
36*67e74705SXin Li
37*67e74705SXin Li  result = (id) CFRetain((CFTypeRef)((objc_format)));
38*67e74705SXin Li
39*67e74705SXin Li  result = (id) CFRetain(cf_format); // OK
40*67e74705SXin Li}
41*67e74705SXin Li@end
42*67e74705SXin Li
43