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: @.str.1 = private unnamed_addr constant [7 x i8] c"yo joe\00", section "__TEXT,__cstring,cstring_literals", align 1 10// CHECK: @.str.3 = 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