llvm-for-llvmta/tools/clang/test/CodeGenObjC/arc-ivar-layout.m

80 lines
1.5 KiB
Objective-C

// 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
// rdar://8991729
@interface NSObject {
id isa;
}
@end
@interface AllPointers : NSObject {
id foo;
id __strong bar;
NSObject *bletch;
}
@end
@implementation AllPointers
@end
// CHECK-LP64: strong ivar layout for class 'AllPointers': 0x03, 0x00
@class NSString, NSNumber;
@interface A : NSObject {
NSString *foo;
NSNumber *bar;
unsigned int bletch;
__weak id delegate;
}
@end
@interface B : A {
unsigned int x;
NSString *y;
NSString *z;
}
@end
@implementation A @end
// CHECK-LP64: strong ivar layout for class 'A': 0x02, 0x00
// CHECK-LP64: weak ivar layout for class 'A': 0x31, 0x00
@implementation B @end
// CHECK-LP64: strong ivar layout for class 'B': 0x12, 0x00
@interface UnsafePerson {
@public
__unsafe_unretained id name;
__unsafe_unretained id age;
id value;
}
@end
@implementation UnsafePerson @end
// CHECK-LP64: strong ivar layout for class 'UnsafePerson': 0x21, 0x00
// rdar://16136439
@interface rdar16136439
@property (nonatomic, readonly, weak) id first;
@end
@implementation rdar16136439 @end
// CHECK-LP64: weak ivar layout for class 'rdar16136439': 0x01, 0x00
@interface Misalign : NSObject {
char a;
}
@end
@interface Misaligned : Misalign {
char b;
id x;
}
@end
@implementation Misaligned @end
// CHECK-LP64: strong ivar layout for class 'Misaligned': 0x01, 0x00