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dde0fcd7a7
This should make the builder http://lab.llvm.org:8011/#/builders/101/ happy. It uses gcc-9 and not Tip-Of-Trunk as its name indicates BTW. GCC-10 passes all these tests. Fix gcc warnings: -Wsign-compare, -Wparentheses, -Wpragmas. Reviewed By: ldionne, #libc, #libc_abi Differential Revision: https://reviews.llvm.org/D92099
160 lines
3.8 KiB
C++
160 lines
3.8 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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// XFAIL: gcc-7, gcc-8, gcc-9
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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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#elif defined(__GNUC__) && (__GNUC__ >= 10)
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# pragma GCC 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(int, char**)
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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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return 0;
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}
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