clang/test/CodeGen/callback_pthread_create.c

   1 // FIXME: pthread_create() definition in Builtins.td doesn't match the real one, so it doesn't get recognized as a builtin and attributes aren't added.
   2 // RUN: false
   3 // XFAIL: *
   4
   5 // RUN: %clang_cc1 %s -emit-llvm -o - -disable-llvm-optzns | FileCheck %s
   6
   7 // CHECK: declare !callback ![[cid:[0-9]+]] {{.*}}i32 @pthread_create
   8 // CHECK: ![[cid]] = !{![[cidb:[0-9]+]]}
   9 // CHECK: ![[cidb]] = !{i64 2, i64 3, i1 false}
  10
  11 // Taken from test/Analysis/retain-release.m
  12 //{
  13 struct _opaque_pthread_t {};
  14 struct _opaque_pthread_attr_t {};
  15 typedef struct _opaque_pthread_t *__darwin_pthread_t;
  16 typedef struct _opaque_pthread_attr_t __darwin_pthread_attr_t;
  17 typedef __darwin_pthread_t pthread_t;
  18 typedef __darwin_pthread_attr_t pthread_attr_t;
  19
  20 int pthread_create(pthread_t *, const pthread_attr_t *,
  21                    void *(*)(void *), void *);
  22 //}
  23
  24 const int GlobalVar = 0;
  25
  26 static void *callee0(void *payload) {
  27   return payload;
  28 }
  29
  30 static void *callee1(void *payload) {
  31   return payload;
  32 }
  33
  34 void foo() {
  35   pthread_t MyFirstThread;
  36   pthread_create(&MyFirstThread, 0, callee0, 0);
  37
  38   pthread_t MySecondThread;
  39   pthread_create(&MySecondThread, 0, callee1, (void *)&GlobalVar);
  40 }