xref: /llvm-project/clang/test/CodeGenOpenCLCXX/addrspace-derived-base.clcpp (revision ebd97534e71aafaa637e466d700f66bbfa63d56b)
1// RUN: %clang_cc1 %s -triple spir -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 ptr %d to ptr addrspace(4)
16  //CHECK: call spir_func noundef i32 @_ZNU3AS41D5getmbEv(ptr 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 noundef i32 @_ZNU3AS41D5getmbEv(ptr addrspace(4) {{[^,]*}} %this)
23
24
25// Calling base method through multiple inheritance.
26
27class B2 {
28  public:
29    void baseMethod() const {  }
30    int &getRef() { return bb; }
31    int bb;
32};
33
34class Derived : public B, public B2 {
35  public:
36    void work() const { baseMethod(); }
37    // CHECK-LABEL: work
38};
39
40void pr43145(const Derived *argDerived) {
41  argDerived->work();
42}
43
44// Casting from base to derived.
45
46void pr43145_2(B *argB) {
47  Derived *x = (Derived*)argB;
48  // CHECK-LABEL: @_Z9pr43145_2
49}
50
51// Assigning to reference returned by base class method through derived class.
52
53void pr43145_3(int n) {
54  Derived d;
55  d.getRef() = n;
56
57  // CHECK-LABEL: @_Z9pr43145_3
58  // CHECK: addrspacecast ptr %d to ptr addrspace(4)
59  // CHECK: call {{.*}} @_ZNU3AS42B26getRefEv
60
61  private Derived *pd = &d;
62  pd->getRef() = n;
63
64  // CHECK: addrspacecast ptr %2 to ptr addrspace(4)
65  // CHECK: call {{.*}} @_ZNU3AS42B26getRefEv
66}
67
68// Implicit conversion of derived to base.
69
70void functionWithBaseArgPtr(class B2 *b) {}
71void functionWithBaseArgRef(class B2 &b) {}
72
73void pr43145_4() {
74  Derived d;
75  functionWithBaseArgPtr(&d);
76  functionWithBaseArgRef(d);
77}
78