text: // RUN: %clang_cc1 %s -S -emit-llvm -o - -disable-llvm-optzns | FileCheck %s
  
  // CHECK: declare !callback ![[cid:[0-9]+]] {{.*}}i32 @pthread_create
  // CHECK: ![[cid]] = !{![[cidb:[0-9]+]]}
  // CHECK: ![[cidb]] = !{i64 2, i64 3, i1 false}
  
  // Taken from test/Analysis/retain-release.m
  //{
  struct _opaque_pthread_t {};
  struct _opaque_pthread_attr_t {};
  typedef struct _opaque_pthread_t *__darwin_pthread_t;
  typedef struct _opaque_pthread_attr_t __darwin_pthread_attr_t;
  typedef __darwin_pthread_t pthread_t;
  typedef __darwin_pthread_attr_t pthread_attr_t;
  
  int pthread_create(pthread_t *, const pthread_attr_t *,
                     void *(*)(void *), void *);
  //}
  
  const int GlobalVar = 0;
  
  static void *callee0(void *payload) {
    return payload;
  }
  
  static void *callee1(void *payload) {
    return payload;
  }
  
  void foo() {
    pthread_t MyFirstThread;
    pthread_create(&MyFirstThread, 0, callee0, 0);
  
    pthread_t MySecondThread;
    pthread_create(&MySecondThread, 0, callee1, (void *)&GlobalVar);
  }
  