clang-1/test/CodeGenCXX/value-init.cpp

52 строки
1000 B
C++

// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
struct A {
virtual ~A();
};
struct B : A { };
struct C {
int i;
B b;
};
// CHECK: _Z15test_value_initv
void test_value_init() {
// This value initialization requires zero initialization of the 'B'
// subobject followed by a call to its constructor.
// PR5800
// CHECK: store i32 17
// CHECK: call void @llvm.memset.p0i8.i64
// CHECK: call void @_ZN1BC1Ev
C c = { 17 } ;
// CHECK: call void @_ZN1CD1Ev
}
enum enum_type { negative_number = -1, magic_number = 42 };
class enum_holder
{
enum_type m_enum;
public:
enum_holder() : m_enum(magic_number) { }
};
struct enum_holder_and_int
{
enum_holder e;
int i;
};
// CHECK: _Z24test_enum_holder_and_intv()
void test_enum_holder_and_int() {
// CHECK: alloca
// CHECK-NEXT: bitcast
// CHECK-NEXT: call void @llvm.memset
// CHECK-NEXT: call void @_ZN19enum_holder_and_intC1Ev
enum_holder_and_int();
// CHECK-NEXT: ret void
}