1// RUN: %clang_cc1 %s -triple spir -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
2
3struct B {
4  int mb;
5};
6
7class D : public B {
8public:
9  int getmb() { return mb; }
10};
11
12void foo() {
13  D d;
14  //CHECK-LABEL: foo
15  //CHECK: addrspacecast %class.D* %d to %class.D addrspace(4)*
16  //CHECK: call spir_func i32 @_ZNU3AS41D5getmbEv(%class.D addrspace(4)*
17  d.getmb();
18}
19
20//Derived and Base are in the same address space.
21
22//CHECK: define linkonce_odr spir_func i32 @_ZNU3AS41D5getmbEv(%class.D addrspace(4)* {{[^,]*}} %this)
23//CHECK: bitcast %class.D addrspace(4)* %this1 to %struct.B addrspace(4)*
24
25
26// Calling base method through multiple inheritance.
27
28class B2 {
29  public:
30    void baseMethod() const {  }
31    int &getRef() { return bb; }
32    int bb;
33};
34
35class Derived : public B, public B2 {
36  public:
37    void work() const { baseMethod(); }
38    // CHECK-LABEL: work
39    // CHECK: bitcast i8 addrspace(4)* %add.ptr to %class.B2 addrspace(4)*
40};
41
42void pr43145(const Derived *argDerived) {
43  argDerived->work();
44}
45
46// Casting from base to derived.
47
48void pr43145_2(B *argB) {
49  Derived *x = (Derived*)argB;
50  // CHECK-LABEL: @_Z9pr43145_2
51  // CHECK: bitcast %struct.B addrspace(4)* %0 to %class.Derived addrspace(4)*
52}
53
54// Assigning to reference returned by base class method through derived class.
55
56void pr43145_3(int n) {
57  Derived d;
58  d.getRef() = n;
59
60  // CHECK-LABEL: @_Z9pr43145_3
61  // CHECK: addrspacecast %class.Derived* %d to %class.Derived addrspace(4)*
62  // CHECK: bitcast i8 addrspace(4)* %add.ptr to %class.B2 addrspace(4)*
63  // CHECK: call {{.*}} @_ZNU3AS42B26getRefEv
64
65  private Derived *pd = &d;
66  pd->getRef() = n;
67
68  // CHECK: addrspacecast %class.Derived* %4 to %class.Derived addrspace(4)*
69  // CHECK: bitcast i8 addrspace(4)* %add.ptr1 to %class.B2 addrspace(4)*
70  // CHECK: call {{.*}} @_ZNU3AS42B26getRefEv
71}
72
73// Implicit conversion of derived to base.
74
75void functionWithBaseArgPtr(class B2 *b) {}
76void functionWithBaseArgRef(class B2 &b) {}
77
78void pr43145_4() {
79  Derived d;
80  functionWithBaseArgPtr(&d);
81  functionWithBaseArgRef(d);
82}
83