llvm-project

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// RUN: %clang_cc1 -triple i386-apple-darwin9 -fobjc-runtime=macosx-fragile-10.5 -fno-constant-cfstrings -emit-llvm -o %t %s
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// RUN: FileCheck --check-prefix CHECK-FRAGILE < %t %s
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fno-constant-cfstrings -emit-llvm -o %t %s
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// RUN: FileCheck --check-prefix CHECK-NONFRAGILE < %t %s
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@interface NSString @end
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@interface NSSimpleCString : NSString {
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@protected
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    char *bytes;
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    unsigned int numBytes;
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}
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@end
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@interface NSConstantString : NSSimpleCString
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@end
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#if OBJC_API_VERSION >= 2
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extern Class _NSConstantStringClassReference;
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#else
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extern struct objc_class _NSConstantStringClassReference;
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#endif
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const NSConstantString *appKey =  @"MyApp";
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int main(void) {
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  const NSConstantString *appKey =  @"MyApp";
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  const NSConstantString *appKey1 =  @"MyApp1";
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}
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// CHECK-FRAGILE: @_NSConstantStringClassReference = external global
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// CHECK-NONFRAGILE: @"OBJC_CLASS_$_NSConstantString" = external global
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// CHECK-FRAGILE: @.str = private unnamed_addr constant [6 x i8] c"MyApp\00"
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// CHECK-FRAGILE: @.str.1 = private unnamed_addr constant [7 x i8] c"MyApp1\00"
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// CHECK-NONFRAGILE: @.str = private unnamed_addr constant [6 x i8] c"MyApp\00"
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// CHECK-NONFRAGILE: @.str.1 = private unnamed_addr constant [7 x i8] c"MyApp1\00"
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