1// RUN: %clang_cc1 -fobjc-arc -fobjc-runtime-has-weak -triple x86_64-apple-darwin -print-ivar-layout -emit-llvm %s -o %t-64.s | FileCheck -check-prefix CHECK-LP64 %s 2// rdar://8991729 3 4@interface NSObject { 5 id isa; 6} 7@end 8 9@interface AllPointers : NSObject { 10 id foo; 11 id __strong bar; 12 NSObject *bletch; 13} 14@end 15 16@implementation AllPointers 17@end 18// CHECK-LP64: strong ivar layout for class 'AllPointers': 0x03, 0x00 19 20@class NSString, NSNumber; 21@interface A : NSObject { 22 NSString *foo; 23 NSNumber *bar; 24 unsigned int bletch; 25 __weak id delegate; 26} 27@end 28 29@interface B : A { 30 unsigned int x; 31 NSString *y; 32 NSString *z; 33} 34@end 35 36@implementation A @end 37 38// CHECK-LP64: strong ivar layout for class 'A': 0x02, 0x00 39// CHECK-LP64: weak ivar layout for class 'A': 0x31, 0x00 40 41@implementation B @end 42 43// CHECK-LP64: strong ivar layout for class 'B': 0x12, 0x00 44 45@interface UnsafePerson { 46@public 47 __unsafe_unretained id name; 48 __unsafe_unretained id age; 49 id value; 50} 51@end 52 53@implementation UnsafePerson @end 54 55// CHECK-LP64: strong ivar layout for class 'UnsafePerson': 0x21, 0x00 56 57// rdar://16136439 58@interface rdar16136439 59 @property (nonatomic, readonly, weak) id first; 60@end 61 62@implementation rdar16136439 @end 63 64// CHECK-LP64: weak ivar layout for class 'rdar16136439': 0x01, 0x00 65 66@interface Misalign : NSObject { 67 char a; 68} 69@end 70 71@interface Misaligned : Misalign { 72 char b; 73 id x; 74} 75@end 76 77@implementation Misaligned @end 78 79// CHECK-LP64: strong ivar layout for class 'Misaligned': 0x01, 0x00 80