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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -fobjc-arc -x objective-c %s.result
      2 // RUN: arcmt-test --args -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c %s > %t
      3 // RUN: diff %t %s.result
      4 
      5 #include "Common.h"
      6 
      7 typedef const struct __CFString * CFStringRef;
      8 extern const CFStringRef kUTTypePlainText;
      9 extern const CFStringRef kUTTypeRTF;
     10 
     11 typedef const struct __CFAllocator * CFAllocatorRef;
     12 typedef const struct __CFUUID * CFUUIDRef;
     13 
     14 extern const CFAllocatorRef kCFAllocatorDefault;
     15 
     16 extern CFStringRef CFUUIDCreateString(CFAllocatorRef alloc, CFUUIDRef uuid);
     17 
     18 struct StrS {
     19   CFStringRef sref_member;
     20 };
     21 
     22 @interface NSString : NSObject {
     23   CFStringRef sref;
     24   struct StrS *strS;
     25 }
     26 -(id)string;
     27 -(id)newString;
     28 @end
     29 
     30 void f(BOOL b, id p) {
     31   NSString *str = (__bridge NSString *)kUTTypePlainText;
     32   str = (__bridge NSString *)(b ? kUTTypeRTF : kUTTypePlainText);
     33   str = (__bridge NSString *)(b ? kUTTypeRTF : kUTTypePlainText);
     34   str = (NSString *)p; // no change.
     35 
     36   CFUUIDRef   _uuid;
     37   NSString *_uuidString = (NSString *)CFBridgingRelease(CFUUIDCreateString(kCFAllocatorDefault, _uuid));
     38   _uuidString = (NSString *)CFBridgingRelease(CFUUIDCreateString(kCFAllocatorDefault, _uuid));
     39   _uuidString = CFBridgingRelease(CFRetain(_uuid));
     40 }
     41 
     42 @implementation NSString (StrExt)
     43 - (NSString *)stringEscapedAsURI {
     44   CFStringRef str = (__bridge CFStringRef)self;
     45   CFStringRef str2 = (__bridge CFStringRef)(self);
     46   return self;
     47 }
     48 @end
     49 
     50 @implementation NSString
     51 -(id)string {
     52   if (0)
     53     return (__bridge id)(sref);
     54   else
     55     return (__bridge id)(strS->sref_member);
     56 }
     57 -(id)newString { return 0; }
     58 @end
     59 
     60 extern void consumeParam(CFStringRef CF_CONSUMED p);
     61 
     62 void f2(NSString *s) {
     63   CFStringRef ref = (__bridge CFStringRef)([s string]);
     64   ref = (__bridge CFStringRef)[s string];
     65   ref = (__bridge CFStringRef)(s.string);
     66   ref = CFBridgingRetain([NSString new]);
     67   ref = CFBridgingRetain([s newString]);
     68   ref = (CFStringRef)CFBridgingRetain([NSString new]);
     69   ref = CFBridgingRetain([[NSString alloc] init]);
     70   ref = CFBridgingRetain([s string]);
     71   ref = (CFStringRef)CFBridgingRetain([s string]);
     72   ref = CFBridgingRetain([s string]);
     73   ref = CFBridgingRetain(s);
     74   ref = CFBridgingRetain(s);
     75 
     76   consumeParam((CFStringRef)CFBridgingRetain(s));
     77   consumeParam(CFBridgingRetain(s));
     78 }
     79