1*67e74705SXin Li// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fblocks -verify %s 2*67e74705SXin Li// rdar://10597832 3*67e74705SXin Li 4*67e74705SXin Litypedef const void *CFTypeRef; 5*67e74705SXin Litypedef const struct __CFString *CFStringRef; 6*67e74705SXin Li 7*67e74705SXin Li@interface NSString 8*67e74705SXin Li@end 9*67e74705SXin Li 10*67e74705SXin LiCFTypeRef CFCreateSomething(); 11*67e74705SXin LiCFStringRef CFCreateString(); 12*67e74705SXin LiCFTypeRef CFGetSomething(); 13*67e74705SXin LiCFStringRef CFGetString(); 14*67e74705SXin Li 15*67e74705SXin Liid CreateSomething(); 16*67e74705SXin LiNSString *CreateNSString(); 17*67e74705SXin Li 18*67e74705SXin Livoid from_cf() { 19*67e74705SXin Li id obj1 = (__bridge_transfer id)CFCreateSomething(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}} 20*67e74705SXin Li id obj2 = (__bridge_transfer NSString*)CFCreateString(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}} 21*67e74705SXin Li (__bridge int*)CFCreateSomething(); // expected-warning {{expression result unused}} 22*67e74705SXin Li id obj3 = (__bridge id)CFGetSomething(); 23*67e74705SXin Li id obj4 = (__bridge NSString*)CFGetString(); 24*67e74705SXin Li} 25*67e74705SXin Li 26*67e74705SXin Livoid to_cf(id obj) { 27*67e74705SXin Li CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // expected-warning {{'__bridge_retained' casts have no effect when not using ARC}} 28*67e74705SXin Li CFStringRef cf2 = (__bridge_retained CFStringRef)CreateNSString(); // expected-warning {{'__bridge_retained' casts have no effect when not using ARC}} 29*67e74705SXin Li CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); 30*67e74705SXin Li CFStringRef cf4 = (__bridge CFStringRef)CreateNSString(); 31*67e74705SXin Li} 32*67e74705SXin Li 33*67e74705SXin Livoid fixits() { 34*67e74705SXin Li id obj1 = (id)CFCreateSomething(); 35*67e74705SXin Li CFTypeRef cf1 = (CFTypeRef)CreateSomething(); 36*67e74705SXin Li} 37*67e74705SXin Li 38*67e74705SXin Li#pragma clang diagnostic ignored "-Warc-bridge-casts-disallowed-in-nonarc" 39*67e74705SXin Li 40*67e74705SXin Livoid to_cf_ignored(id obj) { 41*67e74705SXin Li CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // no-warning 42*67e74705SXin Li CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); // no-warning 43*67e74705SXin Li} 44