| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -O2 -disable-llvm-passes -o - %s | FileCheck %s |
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| 2 | |
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| 3 | typedef const void *CFTypeRef; |
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| 4 | typedef const struct __CFString *CFStringRef; |
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| 5 | |
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| 6 | @interface NSString |
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| 7 | @end |
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| 8 | |
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| 9 | CFTypeRef CFCreateSomething(void); |
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| 10 | CFStringRef CFCreateString(void); |
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| 11 | CFTypeRef CFGetSomething(void); |
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| 12 | CFStringRef CFGetString(void); |
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| 13 | |
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| 14 | id CreateSomething(void); |
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| 15 | NSString *CreateNSString(void); |
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| 16 | |
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| 17 | // CHECK-LABEL: define void @bridge_transfer_from_cf |
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| 18 | void bridge_transfer_from_cf(int *i) { |
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| 19 | // CHECK: store i32 7 |
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| 20 | *i = 7; |
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| 21 | // CHECK: call i8* @CFCreateSomething() |
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| 22 | id obj1 = (__bridge_transfer id)CFCreateSomething(); |
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| 23 | // CHECK-NOT: retain |
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| 24 | // CHECK: store i32 11 |
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| 25 | *i = 11; |
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| 26 | // CHECK: call i8* @CFCreateSomething() |
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| 27 | // CHECK-NOT: retain |
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| 28 | // CHECK: store i32 13 |
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| 29 | (void)(__bridge_transfer id)CFCreateSomething(), *i = 13; |
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| 30 | // CHECK: call void @llvm.objc.release |
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| 31 | // CHECK: store i32 17 |
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| 32 | *i = 17; |
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| 33 | // CHECK: call void @llvm.objc.release |
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| 34 | // CHECK-NEXT: bitcast |
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| 35 | // CHECK-NEXT: call void @llvm.lifetime.end |
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| 36 | // CHECK-NEXT: ret void |
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| 37 | } |
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| 38 | |
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| 39 | // CHECK-LABEL: define void @bridge_from_cf |
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| 40 | void bridge_from_cf(int *i) { |
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| 41 | // CHECK: store i32 7 |
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| 42 | *i = 7; |
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| 43 | // CHECK: call i8* @CFCreateSomething() |
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| 44 | id obj1 = (__bridge id)CFCreateSomething(); |
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| 45 | // CHECK: llvm.objc.retainAutoreleasedReturnValue |
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| 46 | // CHECK: store i32 11 |
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| 47 | *i = 11; |
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| 48 | // CHECK: call i8* @CFCreateSomething() |
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| 49 | // CHECK-NOT: release |
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| 50 | // CHECK: store i32 13 |
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| 51 | (void)(__bridge id)CFCreateSomething(), *i = 13; |
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| 52 | // CHECK: store i32 17 |
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| 53 | *i = 17; |
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| 54 | // CHECK: call void @llvm.objc.release |
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| 55 | // CHECK-NEXT: bitcast |
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| 56 | // CHECK-NEXT: call void @llvm.lifetime.end |
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| 57 | // CHECK-NEXT: ret void |
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| 58 | } |
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| 59 | |
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| 60 | // CHECK-LABEL: define void @bridge_retained_of_cf |
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| 61 | void bridge_retained_of_cf(int *i) { |
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| 62 | *i = 7; |
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| 63 | // CHECK: call i8* @CreateSomething() |
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| 64 | CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); |
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| 65 | // CHECK-NEXT: call i8* @llvm.objc.retainAutoreleasedReturnValue |
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| 66 | // CHECK: store i32 11 |
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| 67 | *i = 11; |
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| 68 | // CHECK: call i8* @CreateSomething() |
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| 69 | (__bridge_retained CFTypeRef)CreateSomething(), *i = 13; |
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| 70 | // CHECK-NEXT: call i8* @llvm.objc.retainAutoreleasedReturnValue |
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| 71 | // CHECK: store i32 13 |
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| 72 | // CHECK: store i32 17 |
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| 73 | *i = 17; |
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| 74 | // CHECK-NEXT: bitcast |
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| 75 | // CHECK-NEXT: call void @llvm.lifetime.end |
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| 76 | // CHECK-NEXT: ret void |
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| 77 | } |
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| 78 | |
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| 79 | // CHECK-LABEL: define void @bridge_of_cf |
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| 80 | void bridge_of_cf(int *i) { |
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| 81 | // CHECK: store i32 7 |
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| 82 | *i = 7; |
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| 83 | // CHECK: call void @llvm.lifetime.start |
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| 84 | // CHECK-NEXT: call i8* @CreateSomething() |
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| 85 | CFTypeRef cf1 = (__bridge CFTypeRef)CreateSomething(); |
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| 86 | // CHECK-NOT: retain |
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| 87 | // CHECK: store i32 11 |
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| 88 | *i = 11; |
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| 89 | // CHECK: call i8* @CreateSomething |
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| 90 | (__bridge CFTypeRef)CreateSomething(), *i = 13; |
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| 91 | // CHECK: store i32 13 |
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| 92 | // CHECK-NOT: release |
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| 93 | // CHECK: store i32 17 |
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| 94 | *i = 17; |
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| 95 | // CHECK-NEXT: bitcast |
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| 96 | // CHECK-NEXT: call void @llvm.lifetime.end |
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| 97 | // CHECK-NEXT: ret void |
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| 98 | } |
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| 99 | |
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| 100 | // CHECK-LABEL: define %struct.__CFString* @bridge_of_paren_expr() |
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| 101 | CFStringRef bridge_of_paren_expr() { |
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| 102 | // CHECK-NOT: call i8* @llvm.objc.retainAutoreleasedReturnValue( |
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| 103 | // CHECK-NOT: call void @llvm.objc.release( |
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| 104 | CFStringRef r = (__bridge CFStringRef)(CreateNSString()); |
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| 105 | r = (__bridge CFStringRef)((NSString *)(CreateNSString())); |
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| 106 | return r; |
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| 107 | } |
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| 108 | |
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