1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
// RUN: %clang_cc1 -triple x86_64 %s -fno-use-cxa-atexit -emit-llvm -o - | FileCheck %s
// PR7097
// RUN: %clang_cc1 -triple x86_64 %s -fno-use-cxa-atexit -mconstructor-aliases -emit-llvm -o - | FileCheck %s
// CHECK: call void @_ZN1AC1Ev([[A:%.*]]* @a)
// CHECK-NEXT: call i32 @atexit(void ()* @__dtor_a)
// CHECK: define internal void @__dtor_a() [[NUW:#[0-9]+]]
// CHECK: call void @_ZN1AD1Ev([[A]]* @a)
// CHECK: call void @_ZN1AC1Ev([[A]]* @b)
// CHECK-NEXT: call i32 @atexit(void ()* @__dtor_b)
// CHECK: define internal void @__dtor_b() [[NUW]]
// CHECK: call void @_ZN1AD1Ev([[A]]* @b)
class A {
public:
A();
~A();
};
A a, b;
// PR9593
// CHECK-LABEL: define void @_Z4funcv()
// CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZ4funcvE2a1)
// CHECK: call void @_ZN1AC1Ev([[A]]* @_ZZ4funcvE2a1)
// CHECK-NEXT: call i32 @atexit(void ()* @__dtor__ZZ4funcvE2a1)
// CHECK-NEXT: call void @__cxa_guard_release(i64* @_ZGVZ4funcvE2a1)
// CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZ4funcvE2a2)
// CHECK: call void @_ZN1AC1Ev([[A]]* @_ZZ4funcvE2a2)
// CHECK-NEXT: call i32 @atexit(void ()* @__dtor__ZZ4funcvE2a2)
// CHECK-NEXT: call void @__cxa_guard_release(i64* @_ZGVZ4funcvE2a2)
// CHECK: define internal void @__dtor__ZZ4funcvE2a1() [[NUW]]
// CHECK: call void @_ZN1AD1Ev([[A]]* @_ZZ4funcvE2a1)
// CHECK: define internal void @__dtor__ZZ4funcvE2a2() [[NUW]]
// CHECK: call void @_ZN1AD1Ev([[A]]* @_ZZ4funcvE2a2)
void func() {
static A a1, a2;
}
// CHECK: attributes [[NUW]] = { nounwind{{.*}} }
|
