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57b08b0944
to reflect the new license. These used slightly different spellings that defeated my regular expressions. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351648
154 lines
3.6 KiB
C++
154 lines
3.6 KiB
C++
//===------------------------- dynamic_cast.pass.cpp ----------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include <cassert>
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// This test explicitly tests dynamic cast with types that have inaccessible
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// bases.
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#if defined(__clang__)
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#pragma clang diagnostic ignored "-Winaccessible-base"
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#endif
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typedef char Pad1[43981];
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typedef char Pad2[34981];
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typedef char Pad3[93481];
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typedef char Pad4[13489];
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typedef char Pad5[81349];
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typedef char Pad6[34819];
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typedef char Pad7[3489];
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namespace t1
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{
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// PR33425
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struct C3 { virtual ~C3() {} Pad1 _; };
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struct C5 : protected virtual C3 { Pad2 _; };
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struct C6 : virtual C5 { Pad3 _; };
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struct C7 : virtual C3 { Pad4 _; };
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struct C9 : C6, C7 { Pad5 _; };
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C9 c9;
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C3 *c3 = &c9;
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void test()
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{
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assert(dynamic_cast<C3*>(c3) == static_cast<C3*>(&c9));
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assert(dynamic_cast<C5*>(c3) == static_cast<C5*>(&c9));
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assert(dynamic_cast<C6*>(c3) == static_cast<C6*>(&c9));
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assert(dynamic_cast<C7*>(c3) == static_cast<C7*>(&c9));
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assert(dynamic_cast<C9*>(c3) == static_cast<C9*>(&c9));
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}
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} // t1
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namespace t2
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{
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// PR33425
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struct Src { virtual ~Src() {} Pad1 _; };
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struct Mask : protected virtual Src { Pad2 _; };
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struct Dest : Mask { Pad3 _; };
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struct Root : Dest, virtual Src { Pad4 _; };
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Root root;
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Src *src = &root;
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void test()
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{
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assert(dynamic_cast<Src*>(src) == static_cast<Src*>(&root));
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assert(dynamic_cast<Mask*>(src) == static_cast<Mask*>(&root));
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assert(dynamic_cast<Dest*>(src) == static_cast<Dest*>(&root));
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assert(dynamic_cast<Root*>(src) == static_cast<Root*>(&root));
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}
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} // t2
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namespace t3
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{
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// PR33487
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struct Class1 { virtual ~Class1() {} Pad1 _; };
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struct Shared : virtual Class1 { Pad2 _; };
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struct Class6 : virtual Shared { Pad3 _; };
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struct Left : Class6 { Pad4 _; };
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struct Right : Class6 { Pad5 _; };
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struct Main : Left, Right { Pad6 _; };
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Main m;
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Class1 *c1 = &m;
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void test()
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{
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assert(dynamic_cast<Class1*>(c1) == static_cast<Class1*>(&m));
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assert(dynamic_cast<Shared*>(c1) == static_cast<Shared*>(&m));
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assert(dynamic_cast<Class6*>(c1) == 0);
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assert(dynamic_cast<Left*>(c1) == static_cast<Left*>(&m));
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assert(dynamic_cast<Right*>(c1) == static_cast<Right*>(&m));
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assert(dynamic_cast<Main*>(c1) == static_cast<Main*>(&m));
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}
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} // t3
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namespace t4
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{
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// PR33439
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struct C2 { virtual ~C2() {} Pad1 _; };
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struct C3 { virtual ~C3() {} Pad2 _; };
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struct C4 : C3 { Pad3 _; };
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struct C8 : C2, virtual C4 { Pad4 _; };
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struct C9 : C4, C8 { Pad5 _; };
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C9 c9;
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C2 *c2 = &c9;
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void test()
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{
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assert(dynamic_cast<C2*>(c2) == static_cast<C2*>(&c9));
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assert(dynamic_cast<C3*>(c2) == 0);
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assert(dynamic_cast<C4*>(c2) == 0);
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assert(dynamic_cast<C8*>(c2) == static_cast<C8*>(&c9));
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assert(dynamic_cast<C9*>(c2) == static_cast<C9*>(&c9));
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}
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} // t4
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namespace t5
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{
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// PR33439
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struct Dummy { virtual ~Dummy() {} Pad1 _; };
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struct Src { virtual ~Src() {} Pad2 _; };
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struct Dest : Dummy { Pad3 _; };
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struct A1 : Dest { Pad4 _; };
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struct A2 : Dest { Pad5 _; };
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struct Root : Src, A1, A2 { Pad6 _; };
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Root root;
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Src *src = &root;
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void test()
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{
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assert(dynamic_cast<Dummy*>(src) == 0);
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assert(dynamic_cast<Src*>(src) == static_cast<Src*>(&root));
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assert(dynamic_cast<Dest*>(src) == 0);
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assert(dynamic_cast<A1*>(src) == static_cast<A1*>(&root));
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assert(dynamic_cast<A2*>(src) == static_cast<A2*>(&root));
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}
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} // t5
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int main()
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{
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t1::test();
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t2::test();
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t3::test();
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t4::test();
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t5::test();
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}
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