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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -std=c++11 | FileCheck %s
struct A {
A();
A(const A&);
A(A&);
~A();
};
struct B {
B();
B(B&);
};
struct C {
C() {}
C(C& other, A a = A());
int i, j;
};
struct POD {
int array[3][4];
};
struct D : A, B, virtual C {
D();
int scalar;
int scalar_array[2][3];
B class_member;
C class_member_array[2][3];
POD pod_array[2][3];
union {
int x;
float f[3];
};
};
void f(D d) {
D d2(d);
}
// CHECK-LABEL: define linkonce_odr void @_ZN1DC1ERS_(%struct.D* %this, %struct.D* dereferenceable({{[0-9]+}})) unnamed_addr
// CHECK: call void @_ZN1AC1Ev
// CHECK: call void @_ZN1CC2ERS_1A
// CHECK: call void @_ZN1AD1Ev
// CHECK: call void @_ZN1AC2ERS_
// CHECK: call void @_ZN1BC2ERS_
// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 28}}
// CHECK: call void @_ZN1BC1ERS_
// CHECK: br label
// CHECK: call void @_ZN1AC1Ev
// CHECK: call void @_ZN1CC1ERS_1A
// CHECK: call void @_ZN1AD1Ev
// CHECK: {{icmp eq.*, 3}}
// CHECK: br i1
// CHECK: {{icmp eq.*, 2}}
// CHECK: br i1
// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 300}}
// CHECK: ret void
template<class T> struct X0 { void f0(T * ) { } };
template <class > struct X1 { X1( X1& , int = 0 ) { } };
struct X2 { X1<int> result; };
void test_X2()
{
typedef X2 impl;
typedef X0<impl> pimpl;
impl* i;
pimpl pdata;
pdata.f0( new impl(*i));
}
// rdar://problem/9598341
namespace test3 {
struct A { A(const A&); A&operator=(const A&); };
struct B { A a; unsigned : 0; };
void test(const B &x) {
B y = x;
y = x;
}
}
namespace test4 {
// When determining whether to implement an array copy as a memcpy, look at
// whether the *selected* constructor is trivial.
struct S {
int arr[5][5];
S(S &);
S(const S &) = default;
};
// CHECK: @_ZN5test42f1
void f1(S a) {
// CHECK-NOT: memcpy
// CHECK: call void @_ZN5test41SC1ERS0_
// CHECK-NOT: memcpy
S b(a);
// CHECK: }
}
// CHECK: @_ZN5test42f2
void f2(const S a) {
// CHECK-NOT: call void @_ZN5test41SC1ERS0_
// CHECK: memcpy
// CHECK-NOT: call void @_ZN5test41SC1ERS0_
S b(a);
// CHECK: }
}
}
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