6720465c47
Only NSObject we can trust the layout of won't change even though we cannot directly see its @implementation
32 lines
745 B
Objective-C
32 lines
745 B
Objective-C
// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin -x objective-c %s -o - | FileCheck %s
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@interface SuperClass
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@end
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@interface A : SuperClass {
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struct {
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unsigned char a : 1;
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unsigned char b : 1;
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unsigned char c : 1;
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} _flags;
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}
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@end
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@implementation A
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- (id)init {
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_flags.a = 1;
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_flags.b = 1;
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_flags.c = 1;
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return self;
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}
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@end
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// CHECK: [[T1:%.*]] = load i64, ptr @"OBJC_IVAR_$_A._flags", align 8, !invariant.load ![[MD_NUM:[0-9]+]]
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// CHECK: [[T2:%.*]] = load i64, ptr @"OBJC_IVAR_$_A._flags", align 8, !invariant.load ![[MD_NUM]]
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// CHECK: [[T3:%.*]] = load i64, ptr @"OBJC_IVAR_$_A._flags", align 8, !invariant.load ![[MD_NUM]]
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//
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