constant-non-fragile-ivar-offset.m
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.14.0 -emit-llvm %s -o - | FileCheck %s
// CHECK: @"OBJC_IVAR_$_StaticLayout.static_layout_ivar" = hidden constant i64 20
// CHECK: @"OBJC_IVAR_$_NotStaticLayout.not_static_layout_ivar" = hidden global i64 12
@interface NSObject {
int these, will, never, change, ever;
}
@end
@interface StaticLayout : NSObject
@end
@implementation StaticLayout {
int static_layout_ivar;
}
-(void)meth {
static_layout_ivar = 0;
// CHECK-NOT: load i64, i64* @"OBJC_IVAR_$_StaticLayout
}
@end
@interface NotNSObject {
int these, might, change;
}
@end
@interface NotStaticLayout : NotNSObject
@end
@implementation NotStaticLayout {
int not_static_layout_ivar;
}
-(void)meth {
not_static_layout_ivar = 0;
// CHECK: load i64, i64* @"OBJC_IVAR_$_NotStaticLayout.not_static_layout_ivar
}
@end