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
