derek.holloway
7502bf64a4
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100 lines
3.0 KiB
Objective-C
100 lines
3.0 KiB
Objective-C
// 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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typedef const void *CFTypeRef;
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typedef const struct __CFString *CFStringRef;
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@interface NSString
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@end
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CFTypeRef CFCreateSomething(void);
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CFStringRef CFCreateString(void);
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CFTypeRef CFGetSomething(void);
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CFStringRef CFGetString(void);
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id CreateSomething(void);
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NSString *CreateNSString(void);
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// CHECK-LABEL: define{{.*}} void @bridge_transfer_from_cf
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void bridge_transfer_from_cf(int *i) {
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// CHECK: store i32 7
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*i = 7;
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// CHECK: call ptr @CFCreateSomething()
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id obj1 = (__bridge_transfer id)CFCreateSomething();
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// CHECK-NOT: retain
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// CHECK: store i32 11
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*i = 11;
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// CHECK: call ptr @CFCreateSomething()
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// CHECK-NOT: retain
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// CHECK: store i32 13
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(void)(__bridge_transfer id)CFCreateSomething(), *i = 13;
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// CHECK: call void @llvm.objc.release
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// CHECK: store i32 17
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*i = 17;
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// CHECK: call void @llvm.objc.release
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// CHECK-NEXT: call void @llvm.lifetime.end
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// CHECK-NEXT: ret void
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}
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// CHECK-LABEL: define{{.*}} void @bridge_from_cf
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void bridge_from_cf(int *i) {
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// CHECK: store i32 7
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*i = 7;
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// CHECK: call ptr @CFCreateSomething() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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id obj1 = (__bridge id)CFCreateSomething();
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// CHECK: store i32 11
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*i = 11;
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// CHECK: call ptr @CFCreateSomething()
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// CHECK-NOT: release
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// CHECK: store i32 13
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(void)(__bridge id)CFCreateSomething(), *i = 13;
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// CHECK: store i32 17
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*i = 17;
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// CHECK: call void @llvm.objc.release
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// CHECK-NEXT: call void @llvm.lifetime.end
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// CHECK-NEXT: ret void
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}
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// CHECK-LABEL: define{{.*}} void @bridge_retained_of_cf
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void bridge_retained_of_cf(int *i) {
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*i = 7;
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// CHECK: call ptr @CreateSomething() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething();
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// CHECK: store i32 11
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*i = 11;
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// CHECK: call ptr @CreateSomething() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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(__bridge_retained CFTypeRef)CreateSomething(), *i = 13;
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// CHECK: store i32 13
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// CHECK: store i32 17
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*i = 17;
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// CHECK-NEXT: call void @llvm.lifetime.end
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// CHECK-NEXT: ret void
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}
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// CHECK-LABEL: define{{.*}} void @bridge_of_cf
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void bridge_of_cf(int *i) {
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// CHECK: store i32 7
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*i = 7;
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// CHECK: call void @llvm.lifetime.start
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// CHECK-NEXT: call ptr @CreateSomething()
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CFTypeRef cf1 = (__bridge CFTypeRef)CreateSomething();
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// CHECK-NOT: retain
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// CHECK: store i32 11
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*i = 11;
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// CHECK: call ptr @CreateSomething
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(__bridge CFTypeRef)CreateSomething(), *i = 13;
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// CHECK: store i32 13
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// CHECK-NOT: release
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// CHECK: store i32 17
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*i = 17;
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// CHECK-NEXT: call void @llvm.lifetime.end
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// CHECK-NEXT: ret void
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}
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// CHECK-LABEL: define{{.*}} ptr @bridge_of_paren_expr()
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CFStringRef bridge_of_paren_expr(void) {
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// CHECK-NOT: "@llvm.objc"
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CFStringRef r = (__bridge CFStringRef)(CreateNSString());
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r = (__bridge CFStringRef)((NSString *)(CreateNSString()));
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return r;
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}
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