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