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      1 // RUN: %clang_cc1 -emit-llvm %s -o %t
      2 
      3 // <rdar://problem/10657500>: Check that the backing store of CFStrings are
      4 // constant with the -fwritable-strings flag.
      5 //
      6 // RUN: %clang_cc1 -fwritable-strings -emit-llvm %s -o - | FileCheck %s
      7 //
      8 // CHECK: @.str = linker_private unnamed_addr constant [14 x i8] c"Hello, World!\00", align 1
      9 // CHECK: @.str1 = linker_private unnamed_addr constant [7 x i8] c"yo joe\00", align 1
     10 // CHECK: @.str3 = linker_private unnamed_addr constant [16 x i8] c"Goodbye, World!\00", align 1
     11 
     12 #define CFSTR __builtin___CFStringMakeConstantString
     13 
     14 void f() {
     15   CFSTR("Hello, World!");
     16 }
     17 
     18 // rdar://6248329
     19 void *G = CFSTR("yo joe");
     20 
     21 void h() {
     22   static void* h = CFSTR("Goodbye, World!");
     23 }
     24