1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -O2 -disable-llvm-optzns -o - %s | FileCheck %s
2
3typedef const void *CFTypeRef;
4typedef const struct __CFString *CFStringRef;
5
6@interface NSString
7@end
8
9CFTypeRef CFCreateSomething(void);
10CFStringRef CFCreateString(void);
11CFTypeRef CFGetSomething(void);
12CFStringRef CFGetString(void);
13
14id CreateSomething(void);
15NSString *CreateNSString(void);
16
17// CHECK-LABEL: define void @bridge_transfer_from_cf
18void 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: bitcast
35  // CHECK-NEXT: call void @llvm.lifetime.end
36  // CHECK-NEXT: ret void
37}
38
39// CHECK-LABEL: define void @bridge_from_cf
40void bridge_from_cf(int *i) {
41  // CHECK: store i32 7
42  *i = 7;
43  // CHECK: call i8* @CFCreateSomething()
44  id obj1 = (__bridge id)CFCreateSomething();
45  // CHECK: objc_retainAutoreleasedReturnValue
46  // CHECK: store i32 11
47  *i = 11;
48  // CHECK: call i8* @CFCreateSomething()
49  // CHECK-NOT: release
50  // CHECK: store i32 13
51  (void)(__bridge id)CFCreateSomething(), *i = 13;
52  // CHECK: store i32 17
53  *i = 17;
54  // CHECK: call void @objc_release
55  // CHECK-NEXT: bitcast
56  // CHECK-NEXT: call void @llvm.lifetime.end
57  // CHECK-NEXT: ret void
58}
59
60// CHECK-LABEL: define void @bridge_retained_of_cf
61void bridge_retained_of_cf(int *i) {
62  *i = 7;
63  // CHECK: call i8* @CreateSomething()
64  CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething();
65  // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue
66  // CHECK: store i32 11
67  *i = 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
73  *i = 17;
74  // CHECK-NEXT: bitcast
75  // CHECK-NEXT: call void @llvm.lifetime.end
76  // CHECK-NEXT: ret void
77}
78
79// CHECK-LABEL: define void @bridge_of_cf
80void bridge_of_cf(int *i) {
81  // CHECK: store i32 7
82  *i = 7;
83  // CHECK: call void @llvm.lifetime.start
84  // CHECK-NEXT: call i8* @CreateSomething()
85  CFTypeRef cf1 = (__bridge CFTypeRef)CreateSomething();
86  // CHECK-NOT: retain
87  // CHECK: store i32 11
88  *i = 11;
89  // CHECK: call i8* @CreateSomething
90  (__bridge CFTypeRef)CreateSomething(), *i = 13;
91  // CHECK: store i32 13
92  // CHECK-NOT: release
93  // CHECK: store i32 17
94  *i = 17;
95  // CHECK-NEXT: bitcast
96  // CHECK-NEXT: call void @llvm.lifetime.end
97  // CHECK-NEXT: ret void
98}
99
100