1*67e74705SXin Li // REQUIRES: x86-registered-target
2*67e74705SXin Li
3*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-macho -emit-llvm %s -o %t
4*67e74705SXin Li
5*67e74705SXin Li // <rdar://problem/10657500>: Check that the backing store of CFStrings are
6*67e74705SXin Li // constant with the -fwritable-strings flag.
7*67e74705SXin Li //
8*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-macho -fwritable-strings -emit-llvm %s -o - | FileCheck %s
9*67e74705SXin Li //
10*67e74705SXin Li // CHECK: @.str = private unnamed_addr constant [14 x i8] c"Hello, World!\00", section "__TEXT,__cstring,cstring_literals", align 1
11*67e74705SXin Li // CHECK: @.str.1 = private unnamed_addr constant [7 x i8] c"yo joe\00", section "__TEXT,__cstring,cstring_literals", align 1
12*67e74705SXin Li // CHECK: @.str.3 = private unnamed_addr constant [16 x i8] c"Goodbye, World!\00", section "__TEXT,__cstring,cstring_literals", align 1
13*67e74705SXin Li
14*67e74705SXin Li #define CFSTR __builtin___CFStringMakeConstantString
15*67e74705SXin Li
f()16*67e74705SXin Li void f() {
17*67e74705SXin Li CFSTR("Hello, World!");
18*67e74705SXin Li }
19*67e74705SXin Li
20*67e74705SXin Li // rdar://6248329
21*67e74705SXin Li void *G = CFSTR("yo joe");
22*67e74705SXin Li
h()23*67e74705SXin Li void h() {
24*67e74705SXin Li static void* h = CFSTR("Goodbye, World!");
25*67e74705SXin Li }
26