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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test aligned operator delete replacement.
// UNSUPPORTED: sanitizer-new-delete, c++98, c++03, c++11, c++14
// Older Clang versions do not support this
// XFAIL: clang-3, apple-clang-7, apple-clang-8
// None of the current GCC compilers support this.
// XFAIL: gcc-5, gcc-6
// XFAIL: with_system_cxx_lib=macosx10.12
// XFAIL: with_system_cxx_lib=macosx10.11
// XFAIL: with_system_cxx_lib=macosx10.10
// XFAIL: with_system_cxx_lib=macosx10.9
// XFAIL: with_system_cxx_lib=macosx10.7
// XFAIL: with_system_cxx_lib=macosx10.8
// On Windows libc++ doesn't provide its own definitions for new/delete
// but instead depends on the ones in VCRuntime. However VCRuntime does not
// yet provide aligned new/delete definitions so this test fails to compile/link.
// XFAIL: LIBCXX-WINDOWS-FIXME
#include <new>
#include <cstddef>
#include <cstdlib>
#include <cassert>
#include "test_macros.h"
constexpr auto OverAligned = __STDCPP_DEFAULT_NEW_ALIGNMENT__ * 2;
int unsized_delete_called = 0;
int unsized_delete_nothrow_called = 0;
int aligned_delete_called = 0;
void reset() {
unsized_delete_called = 0;
unsized_delete_nothrow_called = 0;
aligned_delete_called = 0;
}
void operator delete(void* p) TEST_NOEXCEPT
{
++unsized_delete_called;
std::free(p);
}
void operator delete(void* p, const std::nothrow_t&) TEST_NOEXCEPT
{
++unsized_delete_nothrow_called;
std::free(p);
}
void operator delete [] (void* p, std::align_val_t) TEST_NOEXCEPT
{
++aligned_delete_called;
std::free(p);
}
struct alignas(OverAligned) A {};
struct alignas(std::max_align_t) B {};
int main()
{
reset();
{
B *b = new B[2];
DoNotOptimize(b);
assert(0 == unsized_delete_called);
assert(0 == unsized_delete_nothrow_called);
assert(0 == aligned_delete_called);
delete [] b;
DoNotOptimize(b);
assert(1 == unsized_delete_called);
assert(0 == unsized_delete_nothrow_called);
assert(0 == aligned_delete_called);
}
reset();
{
A *a = new A[2];
DoNotOptimize(a);
assert(0 == unsized_delete_called);
assert(0 == unsized_delete_nothrow_called);
assert(0 == aligned_delete_called);
delete [] a;
DoNotOptimize(a);
assert(0 == unsized_delete_called);
assert(0 == unsized_delete_nothrow_called);
assert(1 == aligned_delete_called);
}
}
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