clang/test/CodeGen/cfstring.c

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