global-init.cpp revision fb8b69aef3377aaa786d1278aaae7e7b04ac095f 
1// RUN: %clang_cc1 -triple=x86_64-apple-darwin10 -emit-llvm %s -o - |FileCheck %s
2
3struct A {
4  A();
5  ~A();
6};
7
8struct B { B(); ~B(); };
9
10struct C { void *field; };
11
12// CHECK: @c = global %struct.C zeroinitializer, align 8
13
14// CHECK: call void @_ZN1AC1Ev(%struct.A* @a)
15// CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @a, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*))
16A a;
17
18// CHECK: call void @_ZN1BC1Ev(%struct.A* @b)
19// CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1BD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @b, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*))
20B b;
21
22// PR6205: this should not require a global initializer
23// CHECK-NOT: call void @_ZN1CC1Ev(%struct.C* @c)
24C c;
25
26// CHECK: define internal void @__cxx_global_initialization() {
27