1// RUN: %clang_cc1 -triple i386-apple-darwin9 -fobjc-runtime=macosx-fragile-10.5 -fno-constant-cfstrings -emit-llvm -o %t %s
2// RUN: FileCheck --check-prefix CHECK-FRAGILE < %t %s
3
4// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fno-constant-cfstrings -emit-llvm -o %t %s
5// RUN: FileCheck --check-prefix CHECK-NONFRAGILE < %t %s
6
7@interface NSString @end
8
9@interface NSSimpleCString : NSString {
10@protected
11    char *bytes;
12    unsigned int numBytes;
13}
14@end
15
16@interface NSConstantString : NSSimpleCString
17@end
18
19#if OBJC_API_VERSION >= 2
20extern Class _NSConstantStringClassReference;
21#else
22extern struct objc_class _NSConstantStringClassReference;
23#endif
24
25const NSConstantString *appKey =  @"MyApp";
26
27int main() {
28  const NSConstantString *appKey =  @"MyApp";
29  const NSConstantString *appKey1 =  @"MyApp1";
30}
31
32// CHECK-FRAGILE: @_NSConstantStringClassReference = external global
33// CHECK-NONFRAGILE: @"OBJC_CLASS_$_NSConstantString" = external global
34
35// CHECK-FRAGILE: @.str = private unnamed_addr constant [6 x i8] c"MyApp\00"
36// CHECK-FRAGILE: @.str.1 = private unnamed_addr constant [7 x i8] c"MyApp1\00"
37
38// CHECK-NONFRAGILE: @.str = private unnamed_addr constant [6 x i8] c"MyApp\00"
39// CHECK-NONFRAGILE: @.str.1 = private unnamed_addr constant [7 x i8] c"MyApp1\00"
40