| // 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]+}}) %0) 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: } |
| } |
| } |