llvm-project

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// RUN: %clang_cc1 -emit-llvm -fobjc-runtime=gcc -o - %s | FileCheck %s
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@protocol NSCopying
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@end
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@interface NSObject {
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  struct objc_object *isa;
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}
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+ (id) new;
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- (id) init;
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@end
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@interface NSString : NSObject <NSCopying>
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+ (NSString *)foo;
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@end
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@interface TestClass : NSObject {
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@public
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  NSString    *_stringIvar;
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  int         _intIvar;
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}
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@end
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@implementation TestClass
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@end
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int main(void) {
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  TestClass *c = [TestClass new];
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  return 0;
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}
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// CHECK: = private unnamed_addr constant [12 x i8] c"_stringIvar\00"
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// CHECK: = private unnamed_addr constant [12 x i8] c"@\22NSString\22\00"
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// CHECK: = private unnamed_addr constant [9 x i8] c"_intIvar\00"
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// CHECK: = private unnamed_addr constant [2 x i8] c"i\00"
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@interface Class1 {
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  int : 3;
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  short : 2;
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  long long ll;
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  char : 1;
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}
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@end
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@implementation Class1
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@end
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// CHECK: @{{.*}} = private unnamed_addr constant [5 x i8] c"b0i3\00"
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// CHECK: @{{.*}} = private unnamed_addr constant [5 x i8] c"b3s2\00"
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// CHECK: @{{.*}} = private unnamed_addr constant [2 x i8] c"q\00"
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// CHECK: @{{.*}} = private unnamed_addr constant [{{7|6}} x i8] c"b{{128|96}}c1\00"
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