1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -O2 -disable-llvm-optzns -o - %s | FileCheck %s
3 typedef const void *CFTypeRef;
4 typedef const struct __CFString *CFStringRef;
9 CFTypeRef CFCreateSomething(void);
10 CFStringRef CFCreateString(void);
11 CFTypeRef CFGetSomething(void);
12 CFStringRef CFGetString(void);
14 id CreateSomething(void);
15 NSString *CreateNSString(void);
17 // CHECK-LABEL: define void @bridge_transfer_from_cf
18 void bridge_transfer_from_cf(int *i) {
21 // CHECK: call i8* @CFCreateSomething()
22 id obj1 = (__bridge_transfer id)CFCreateSomething();
24 // CHECK: store i32 11
26 // CHECK: call i8* @CFCreateSomething()
28 // CHECK: store i32 13
29 (void)(__bridge_transfer id)CFCreateSomething(), *i = 13;
30 // CHECK: call void @objc_release
31 // CHECK: store i32 17
33 // CHECK: call void @objc_release
34 // CHECK-NEXT: bitcast
35 // CHECK-NEXT: call void @llvm.lifetime.end
36 // CHECK-NEXT: ret void
39 // CHECK-LABEL: define void @bridge_from_cf
40 void bridge_from_cf(int *i) {
43 // CHECK: call i8* @CFCreateSomething()
44 id obj1 = (__bridge id)CFCreateSomething();
45 // CHECK: objc_retainAutoreleasedReturnValue
46 // CHECK: store i32 11
48 // CHECK: call i8* @CFCreateSomething()
50 // CHECK: store i32 13
51 (void)(__bridge id)CFCreateSomething(), *i = 13;
52 // CHECK: store i32 17
54 // CHECK: call void @objc_release
55 // CHECK-NEXT: bitcast
56 // CHECK-NEXT: call void @llvm.lifetime.end
57 // CHECK-NEXT: ret void
60 // CHECK-LABEL: define void @bridge_retained_of_cf
61 void bridge_retained_of_cf(int *i) {
63 // CHECK: call i8* @CreateSomething()
64 CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething();
65 // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue
66 // CHECK: store i32 11
68 // CHECK: call i8* @CreateSomething()
69 (__bridge_retained CFTypeRef)CreateSomething(), *i = 13;
70 // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue
71 // CHECK: store i32 13
72 // CHECK: store i32 17
74 // CHECK-NEXT: bitcast
75 // CHECK-NEXT: call void @llvm.lifetime.end
76 // CHECK-NEXT: ret void
79 // CHECK-LABEL: define void @bridge_of_cf
80 void bridge_of_cf(int *i) {
83 // CHECK: call void @llvm.lifetime.start
84 // CHECK-NEXT: call i8* @CreateSomething()
85 CFTypeRef cf1 = (__bridge CFTypeRef)CreateSomething();
87 // CHECK: store i32 11
89 // CHECK: call i8* @CreateSomething
90 (__bridge CFTypeRef)CreateSomething(), *i = 13;
91 // CHECK: store i32 13
93 // CHECK: store i32 17
95 // CHECK-NEXT: bitcast
96 // CHECK-NEXT: call void @llvm.lifetime.end
97 // CHECK-NEXT: ret void