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 = private unnamed_addr constant [14 x i8] c"Hello, World!\00", section "__TEXT,__cstring,cstring_literals", align 1
9// CHECK: @.str1 = private unnamed_addr constant [7 x i8] c"yo joe\00", section "__TEXT,__cstring,cstring_literals", align 1
10// CHECK: @.str3 = private unnamed_addr constant [16 x i8] c"Goodbye, World!\00", section "__TEXT,__cstring,cstring_literals", align 1
11
12#define CFSTR __builtin___CFStringMakeConstantString
13
14void f() {
15  CFSTR("Hello, World!");
16}
17
18// rdar://6248329
19void *G = CFSTR("yo joe");
20
21void h() {
22  static void* h = CFSTR("Goodbye, World!");
23}
24