| // 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: } | 
 |   } | 
 | } |