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// 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
}
// PR7834: don't crash.
namespace test1 {
struct A {
int A::*f;
A();
A(const A&);
A &operator=(const A &);
};
struct B {
A base;
};
void foo() {
B();
}
}
namespace ptrmem {
struct S {
int mem1;
int S::*mem2;
};
// CHECK: define i32 @_ZN6ptrmem4testEPNS_1SE
int test(S *s) {
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
// CHECK: getelementptr
// CHECK: ret
return s->*S().mem2;
}
}
namespace zeroinit {
struct S { int i; };
// CHECK: define i32 @_ZN8zeroinit4testEv()
int test() {
// CHECK: call void @llvm.memset.p0i8.i64
// CHECK: getelementptr
// CHECK: ret i32
return S().i;
}
struct X0 {
X0() { }
int x;
};
struct X1 : X0 {
int x1;
void f();
};
// CHECK: define void @_ZN8zeroinit9testX0_X1Ev
void testX0_X1() {
// CHECK: call void @llvm.memset.p0i8.i64
// CHECK-NEXT: call void @_ZN8zeroinit2X1C1Ev
// CHECK-NEXT: call void @_ZN8zeroinit2X11fEv
X1().f();
}
template<typename>
struct X2 : X0 {
int x2;
void f();
};
template<typename>
struct X3 : X2<int> {
X3() : X2<int>() { }
};
// CHECK: define void @_ZN8zeroinit9testX0_X3Ev
void testX0_X3() {
// CHECK-NOT: call void @llvm.memset
// CHECK: call void @_ZN8zeroinit2X3IiEC1Ev
// CHECK: call void @_ZN8zeroinit2X2IiE1fEv
// CHECK-NEXT: ret void
X3<int>().f();
}
// CHECK: define linkonce_odr void @_ZN8zeroinit2X3IiEC2Ev
// CHECK: call void @llvm.memset.p0i8.i64
// CHECK-NEXT: call void @_ZN8zeroinit2X2IiEC2Ev
// CHECK-NEXT: ret void
}
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