86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
//===----------------------------------------------------------------------===//
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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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// UNSUPPORTED: c++03, c++11, c++14
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// The machine emulated in tests does not have enough memory for code.
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// UNSUPPORTED: LIBCXX-PICOLIBC-FIXME
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// <experimental/simd>
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//
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// [simd.reference]
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// template<class U> reference=(U&& x) && noexcept;
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// XFAIL: target=powerpc{{.*}}le-unknown-linux-gnu
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#include "../test_utils.h"
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#include <experimental/simd>
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namespace ex = std::experimental::parallelism_v2;
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template <class T, class SimdAbi>
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struct CheckSimdReferenceAssignmentHelper {
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template <class U>
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void operator()() const {
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if constexpr (std::is_assignable_v<T&, U&&>) {
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ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
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for (size_t i = 0; i < origin_simd.size(); ++i) {
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static_assert(noexcept(origin_simd[i] = static_cast<U>(i + 1)));
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origin_simd[i] = static_cast<U>(i + 1);
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assert(origin_simd[i] == static_cast<T>(std::forward<U>(i + 1)));
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}
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}
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}
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};
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template <class T, class SimdAbi>
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struct CheckMaskReferenceAssignmentHelper {
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template <class U>
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void operator()() const {
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if constexpr (std::is_assignable_v<bool&, U&&>) {
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ex::simd_mask<T, SimdAbi> origin_mask(true);
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for (size_t i = 0; i < origin_mask.size(); ++i) {
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static_assert(noexcept(origin_mask[i] = static_cast<U>(i + 1)));
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origin_mask[i] = static_cast<U>(i % 2);
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assert(origin_mask[i] == static_cast<T>(std::forward<U>(i % 2)));
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}
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}
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}
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};
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template <class T, class SimdAbi>
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struct CheckReferenceAssignmentTraitsHelper {
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template <class U>
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void operator()() const {
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if constexpr (std::is_assignable_v<T&, U&&>)
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static_assert(std::is_assignable_v<typename ex::simd<T, SimdAbi>::reference&&, U&&>);
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else
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static_assert(!std::is_assignable_v<typename ex::simd<T, SimdAbi>::reference&&, U&&>);
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if constexpr (std::is_assignable_v<bool&, U&&>)
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static_assert(std::is_assignable_v<typename ex::simd_mask<T, SimdAbi>::reference&&, U&&>);
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else
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static_assert(!std::is_assignable_v<typename ex::simd_mask<T, SimdAbi>::reference&&, U&&>);
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}
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};
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template <class T, std::size_t>
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struct CheckReferenceAssignment {
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template <class SimdAbi>
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void operator()() {
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types::for_each(simd_test_types(), CheckSimdReferenceAssignmentHelper<T, SimdAbi>());
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types::for_each(simd_test_types(), CheckMaskReferenceAssignmentHelper<T, SimdAbi>());
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types::for_each(simd_test_types(), CheckReferenceAssignmentTraitsHelper<T, SimdAbi>());
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}
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};
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int main(int, char**) {
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test_all_simd_abi<CheckReferenceAssignment>();
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return 0;
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}
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