xref: /aosp_15_r20/external/clang/test/CodeGenCXX/global-dtor-no-atexit.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64 %s -fno-use-cxa-atexit -emit-llvm -o - | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li // PR7097
4*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64 %s -fno-use-cxa-atexit -mconstructor-aliases -emit-llvm -o - | FileCheck %s
5*67e74705SXin Li 
6*67e74705SXin Li // CHECK:      call void @_ZN1AC1Ev([[A:%.*]]* @a)
7*67e74705SXin Li // CHECK-NEXT: call i32 @atexit(void ()* @__dtor_a)
8*67e74705SXin Li // CHECK:      define internal void @__dtor_a() [[NUW:#[0-9]+]]
9*67e74705SXin Li // CHECK:      call void @_ZN1AD1Ev([[A]]* @a)
10*67e74705SXin Li 
11*67e74705SXin Li // CHECK:      call void @_ZN1AC1Ev([[A]]* @b)
12*67e74705SXin Li // CHECK-NEXT: call i32 @atexit(void ()* @__dtor_b)
13*67e74705SXin Li // CHECK:      define internal void @__dtor_b() [[NUW]]
14*67e74705SXin Li // CHECK:      call void @_ZN1AD1Ev([[A]]* @b)
15*67e74705SXin Li 
16*67e74705SXin Li class A {
17*67e74705SXin Li public:
18*67e74705SXin Li   A();
19*67e74705SXin Li   ~A();
20*67e74705SXin Li };
21*67e74705SXin Li 
22*67e74705SXin Li A a, b;
23*67e74705SXin Li 
24*67e74705SXin Li // PR9593
25*67e74705SXin Li // CHECK-LABEL:      define void @_Z4funcv()
26*67e74705SXin Li // CHECK:      call i32 @__cxa_guard_acquire(i64* @_ZGVZ4funcvE2a1)
27*67e74705SXin Li // CHECK:      call void @_ZN1AC1Ev([[A]]* @_ZZ4funcvE2a1)
28*67e74705SXin Li // CHECK-NEXT: call i32 @atexit(void ()* @__dtor__ZZ4funcvE2a1)
29*67e74705SXin Li // CHECK-NEXT: call void @__cxa_guard_release(i64* @_ZGVZ4funcvE2a1)
30*67e74705SXin Li 
31*67e74705SXin Li // CHECK:      call i32 @__cxa_guard_acquire(i64* @_ZGVZ4funcvE2a2)
32*67e74705SXin Li // CHECK:      call void @_ZN1AC1Ev([[A]]* @_ZZ4funcvE2a2)
33*67e74705SXin Li // CHECK-NEXT: call i32 @atexit(void ()* @__dtor__ZZ4funcvE2a2)
34*67e74705SXin Li // CHECK-NEXT: call void @__cxa_guard_release(i64* @_ZGVZ4funcvE2a2)
35*67e74705SXin Li 
36*67e74705SXin Li // CHECK:      define internal void @__dtor__ZZ4funcvE2a1() [[NUW]]
37*67e74705SXin Li // CHECK:      call void @_ZN1AD1Ev([[A]]* @_ZZ4funcvE2a1)
38*67e74705SXin Li 
39*67e74705SXin Li // CHECK:      define internal void @__dtor__ZZ4funcvE2a2() [[NUW]]
40*67e74705SXin Li // CHECK:      call void @_ZN1AD1Ev([[A]]* @_ZZ4funcvE2a2)
41*67e74705SXin Li 
func()42*67e74705SXin Li void func() {
43*67e74705SXin Li   static A a1, a2;
44*67e74705SXin Li }
45*67e74705SXin Li 
46*67e74705SXin Li // CHECK: attributes [[NUW]] = { nounwind{{.*}} }
47