1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -std=c++11 | FileCheck %s 2 3 struct A { 4 A(); 5 A(const A&); 6 A(A&); 7 ~A(); 8 }; 9 10 struct B { 11 B(); 12 B(B&); 13 }; 14 15 struct C { 16 C() {} 17 C(C& other, A a = A()); 18 int i, j; 19 }; 20 21 struct POD { 22 int array[3][4]; 23 }; 24 25 struct D : A, B, virtual C { 26 D(); 27 int scalar; 28 int scalar_array[2][3]; 29 B class_member; 30 C class_member_array[2][3]; 31 POD pod_array[2][3]; 32 33 union { 34 int x; 35 float f[3]; 36 }; 37 }; 38 39 void f(D d) { 40 D d2(d); 41 } 42 43 // CHECK: define linkonce_odr void @_ZN1DC1ERS_(%struct.D* %this, %struct.D*) unnamed_addr 44 // CHECK: call void @_ZN1AC1Ev 45 // CHECK: call void @_ZN1CC2ERS_1A 46 // CHECK: call void @_ZN1AD1Ev 47 // CHECK: call void @_ZN1AC2ERS_ 48 // CHECK: call void @_ZN1BC2ERS_ 49 // CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 24}} 50 // CHECK: call void @_ZN1BC1ERS_ 51 // CHECK: br 52 // CHECK: {{icmp ult.*, 2}} 53 // CHECK: {{icmp ult.*, 3}} 54 // CHECK: call void @_ZN1AC1Ev 55 // CHECK: call void @_ZN1CC1ERS_1A 56 // CHECK: call void @_ZN1AD1Ev 57 // CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 288}} 58 // CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 12}} 59 // CHECK: ret void 60 61 62 template<class T> struct X0 { void f0(T * ) { } }; 63 template <class > struct X1 { X1( X1& , int = 0 ) { } }; 64 struct X2 { X1<int> result; }; 65 void test_X2() 66 { 67 typedef X2 impl; 68 typedef X0<impl> pimpl; 69 impl* i; 70 pimpl pdata; 71 pdata.f0( new impl(*i)); 72 } 73 74 // rdar://problem/9598341 75 namespace test3 { 76 struct A { A(const A&); A&operator=(const A&); }; 77 struct B { A a; unsigned : 0; }; 78 void test(const B &x) { 79 B y = x; 80 y = x; 81 } 82 } 83 84 namespace test4 { 85 // When determining whether to implement an array copy as a memcpy, look at 86 // whether the *selected* constructor is trivial. 87 struct S { 88 int arr[5][5]; 89 S(S &); 90 S(const S &) = default; 91 }; 92 // CHECK: @_ZN5test42f1 93 void f1(S a) { 94 // CHECK-NOT: memcpy 95 // CHECK: call void @_ZN5test41SC1ERS0_ 96 // CHECK-NOT: memcpy 97 S b(a); 98 // CHECK: } 99 } 100 // CHECK: @_ZN5test42f2 101 void f2(const S a) { 102 // CHECK-NOT: call void @_ZN5test41SC1ERS0_ 103 // CHECK: memcpy 104 // CHECK-NOT: call void @_ZN5test41SC1ERS0_ 105 S b(a); 106 // CHECK: } 107 } 108 } 109