static-init.cpp revision 8b2423361648c39a7d8a3c5e8129e12006deac32 
1// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
2
3// CHECK: @_ZZ1hvE1i = internal global i32 0, align 4
4
5// CHECK: @_ZZN5test16getvarEiE3var = internal constant [4 x i32] [i32 1, i32 0, i32 2, i32 4], align 4
6// CHECK: @_ZZ2h2vE1i = linkonce_odr global i32 0
7// CHECK: @_ZGVZ2h2vE1i = linkonce_odr global i64 0
8
9struct A {
10  A();
11  ~A();
12};
13
14void f() {
15  // CHECK: call i32 @__cxa_guard_acquire
16  // CHECK: call void @_ZN1AC1Ev
17  // CHECK: call void @__cxa_guard_release
18  // CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @_ZZ1fvE1a, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*))
19  static A a;
20}
21
22void g() {
23  // CHECK: call noalias i8* @_Znwm(i64 1)
24  // CHECK: call void @_ZN1AC1Ev(
25  static A& a = *new A;
26}
27
28int a();
29void h() {
30  static const int i = a();
31}
32
33inline void h2() {
34  static int i = a();
35}
36
37void h3() {
38  h2();
39}
40
41// PR6980: this shouldn't crash
42namespace test0 {
43  struct A { A(); };
44  __attribute__((noreturn)) int throw_exception();
45
46  void test() {
47    throw_exception();
48    static A r;
49  }
50}
51
52namespace test1 {
53  // CHECK: define internal i32 @_ZN5test16getvarEi(
54  static inline int getvar(int index) {
55    static const int var[] = { 1, 0, 2, 4 };
56    return var[index];
57  }
58
59  void test() { (void) getvar(2); }
60}
61