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// RUN: %clang_cc1 %s -triple spir -cl-std=clc++ -emit-llvm -O0 -o - | FileCheck %s
struct B {
int mb;
};
class D : public B {
public:
int getmb() { return mb; }
};
void foo() {
D d;
//CHECK-LABEL: foo
//CHECK: addrspacecast %class.D* %d to %class.D addrspace(4)*
//CHECK: call spir_func i32 @_ZNU3AS41D5getmbEv(%class.D addrspace(4)*
d.getmb();
}
//Derived and Base are in the same address space.
//CHECK: define linkonce_odr spir_func i32 @_ZNU3AS41D5getmbEv(%class.D addrspace(4)* %this)
//CHECK: bitcast %class.D addrspace(4)* %this1 to %struct.B addrspace(4)*
// Calling base method through multiple inheritance.
class B2 {
public:
void baseMethod() const { }
int &getRef() { return bb; }
int bb;
};
class Derived : public B, public B2 {
public:
void work() const { baseMethod(); }
// CHECK-LABEL: work
// CHECK: bitcast i8 addrspace(4)* %add.ptr to %class.B2 addrspace(4)*
};
void pr43145(const Derived *argDerived) {
argDerived->work();
}
// Casting from base to derived.
void pr43145_2(B *argB) {
Derived *x = (Derived*)argB;
// CHECK-LABEL: @_Z9pr43145_2
// CHECK: bitcast %struct.B addrspace(4)* %0 to %class.Derived addrspace(4)*
}
// Assigning to reference returned by base class method through derived class.
void pr43145_3(int n) {
Derived d;
d.getRef() = n;
// CHECK-LABEL: @_Z9pr43145_3
// CHECK: addrspacecast %class.Derived* %d to %class.Derived addrspace(4)*
// CHECK: bitcast i8 addrspace(4)* %add.ptr to %class.B2 addrspace(4)*
// CHECK: call {{.*}} @_ZNU3AS42B26getRefEv
private Derived *pd = &d;
pd->getRef() = n;
// CHECK: addrspacecast %class.Derived* %4 to %class.Derived addrspace(4)*
// CHECK: bitcast i8 addrspace(4)* %add.ptr1 to %class.B2 addrspace(4)*
// CHECK: call {{.*}} @_ZNU3AS42B26getRefEv
}
// Implicit conversion of derived to base.
void functionWithBaseArgPtr(class B2 *b) {}
void functionWithBaseArgRef(class B2 &b) {}
void pr43145_4() {
Derived d;
functionWithBaseArgPtr(&d);
functionWithBaseArgRef(d);
}
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