| // 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_(ptr {{[^,]*}} %this, ptr noundef nonnull align {{[0-9]+}} 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.p0.p0.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.p0.p0.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)); | |
| } | |
| 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: } | |
| } | |
| } |