1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -O2 -disable-llvm-optzns -o - %s | FileCheck %s 2 3 typedef const void *CFTypeRef; 4 typedef const struct __CFString *CFStringRef; 5 6 @interface NSString 7 @end 8 9 CFTypeRef CFCreateSomething(void); 10 CFStringRef CFCreateString(void); 11 CFTypeRef CFGetSomething(void); 12 CFStringRef CFGetString(void); 13 14 id CreateSomething(void); 15 NSString *CreateNSString(void); 16 17 // CHECK-LABEL: define void @bridge_transfer_from_cf 18 void bridge_transfer_from_cf(int *i) { 19 // CHECK: store i32 7 20 *i = 7; 21 // CHECK: call i8* @CFCreateSomething() 22 id obj1 = (__bridge_transfer id)CFCreateSomething(); 23 // CHECK-NOT: retain 24 // CHECK: store i32 11 25 *i = 11; 26 // CHECK: call i8* @CFCreateSomething() 27 // CHECK-NOT: retain 28 // CHECK: store i32 13 29 (void)(__bridge_transfer id)CFCreateSomething(), *i = 13; 30 // CHECK: call void @objc_release 31 // CHECK: store i32 17 32 *i = 17; 33 // CHECK: call void @objc_release 34 // CHECK-NEXT: ret void 35 } 36 37 // CHECK-LABEL: define void @bridge_from_cf 38 void bridge_from_cf(int *i) { 39 // CHECK: store i32 7 40 *i = 7; 41 // CHECK: call i8* @CFCreateSomething() 42 id obj1 = (__bridge id)CFCreateSomething(); 43 // CHECK: objc_retainAutoreleasedReturnValue 44 // CHECK: store i32 11 45 *i = 11; 46 // CHECK: call i8* @CFCreateSomething() 47 // CHECK-NOT: release 48 // CHECK: store i32 13 49 (void)(__bridge id)CFCreateSomething(), *i = 13; 50 // CHECK: store i32 17 51 *i = 17; 52 // CHECK: call void @objc_release 53 // CHECK-NEXT: ret void 54 } 55 56 // CHECK-LABEL: define void @bridge_retained_of_cf 57 void bridge_retained_of_cf(int *i) { 58 *i = 7; 59 // CHECK: call i8* @CreateSomething() 60 CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); 61 // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue 62 // CHECK: store i32 11 63 *i = 11; 64 // CHECK: call i8* @CreateSomething() 65 (__bridge_retained CFTypeRef)CreateSomething(), *i = 13; 66 // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue 67 // CHECK: store i32 13 68 // CHECK: store i32 17 69 *i = 17; 70 // CHECK-NEXT: ret void 71 } 72 73 // CHECK-LABEL: define void @bridge_of_cf 74 void bridge_of_cf(int *i) { 75 // CHECK: store i32 7 76 *i = 7; 77 // CHECK: call i8* @CreateSomething() 78 CFTypeRef cf1 = (__bridge CFTypeRef)CreateSomething(); 79 // CHECK-NOT: retain 80 // CHECK: store i32 11 81 *i = 11; 82 // CHECK: call i8* @CreateSomething 83 (__bridge CFTypeRef)CreateSomething(), *i = 13; 84 // CHECK: store i32 13 85 // CHECK-NOT: release 86 // CHECK: store i32 17 87 *i = 17; 88 // CHECK-NEXT: ret void 89 } 90 91
