debug-info-id-with-protocol.m
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -debug-info-kind=limited %s -o - | FileCheck %s
__attribute((objc_root_class)) @interface NSObject {
id isa;
}
+ (id)alloc;
- (id)init;
- (id)retain;
@end
void NSLog(id, ...);
@protocol MyProtocol
-(const char *)hello;
@end
@interface MyClass : NSObject {
}
@property (nonatomic, assign) id <MyProtocol> bad_carrier;
@property (nonatomic, assign) id good_carrier;
@end
@implementation MyClass
@end
int main()
{
@autoreleasepool
{
MyClass *my_class = [MyClass alloc];
NSLog(@"%p\n", my_class.bad_carrier);
NSLog(@"%p\n", my_class.good_carrier);
}
}
// Verify that the debug type for both variables is 'id'.
// CHECK: ![[IDTYPE:[0-9]+]] = !DIDerivedType(tag: DW_TAG_typedef, name: "id"
//
// CHECK: !DILocalVariable(name: "bad_carrier", arg:
// CHECK-NOT: line:
// CHECK-SAME: type: ![[IDTYPE]]
//
// CHECK: !DILocalVariable(name: "good_carrier", arg:
// CHECK-NOT: line:
// CHECK-SAME: type: ![[IDTYPE]]