clang/test/CodeGen/cfstring2.c

// UNSUPPORTED: target={{.*}}-zos{{.*}}, target={{.*}}-aix{{.*}}
// RUN: %clang_cc1 -emit-llvm %s -o %t
// RUN: %clang_cc1 -emit-llvm %s -o %t -fexperimental-new-constant-interpreter

typedef const struct __CFString * CFStringRef;

#define CFSTR(x) (CFStringRef) __builtin___CFStringMakeConstantString (x)

void f(void) {
  CFSTR("Hello, World!");
}

void *G = CFSTR("yo joe");