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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// The machine emulated in tests does not have enough memory for code.
// UNSUPPORTED: LIBCXX-PICOLIBC-FIXME
// <experimental/simd>
//
// [simd.reference]
// template<class U> reference=(U&& x) && noexcept;
// XFAIL: target=powerpc{{.*}}le-unknown-linux-gnu
#include "../test_utils.h"
#include <experimental/simd>
namespace ex = std::experimental::parallelism_v2;
template <class T, class SimdAbi>
struct CheckSimdReferenceAssignmentHelper {
template <class U>
void operator()() const {
if constexpr (std::is_assignable_v<T&, U&&>) {
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
for (size_t i = 0; i < origin_simd.size(); ++i) {
static_assert(noexcept(origin_simd[i] = static_cast<U>(i + 1)));
origin_simd[i] = static_cast<U>(i + 1);
assert(origin_simd[i] == static_cast<T>(std::forward<U>(i + 1)));
}
}
}
};
template <class T, class SimdAbi>
struct CheckMaskReferenceAssignmentHelper {
template <class U>
void operator()() const {
if constexpr (std::is_assignable_v<bool&, U&&>) {
ex::simd_mask<T, SimdAbi> origin_mask(true);
for (size_t i = 0; i < origin_mask.size(); ++i) {
static_assert(noexcept(origin_mask[i] = static_cast<U>(i + 1)));
origin_mask[i] = static_cast<U>(i % 2);
assert(origin_mask[i] == static_cast<T>(std::forward<U>(i % 2)));
}
}
}
};
template <class T, class SimdAbi>
struct CheckReferenceAssignmentTraitsHelper {
template <class U>
void operator()() const {
if constexpr (std::is_assignable_v<T&, U&&>)
static_assert(std::is_assignable_v<typename ex::simd<T, SimdAbi>::reference&&, U&&>);
else
static_assert(!std::is_assignable_v<typename ex::simd<T, SimdAbi>::reference&&, U&&>);
if constexpr (std::is_assignable_v<bool&, U&&>)
static_assert(std::is_assignable_v<typename ex::simd_mask<T, SimdAbi>::reference&&, U&&>);
else
static_assert(!std::is_assignable_v<typename ex::simd_mask<T, SimdAbi>::reference&&, U&&>);
}
};
template <class T, std::size_t>
struct CheckReferenceAssignment {
template <class SimdAbi>
void operator()() {
types::for_each(simd_test_types(), CheckSimdReferenceAssignmentHelper<T, SimdAbi>());
types::for_each(simd_test_types(), CheckMaskReferenceAssignmentHelper<T, SimdAbi>());
types::for_each(simd_test_types(), CheckReferenceAssignmentTraitsHelper<T, SimdAbi>());
}
};
int main(int, char**) {
test_all_simd_abi<CheckReferenceAssignment>();
return 0;
}
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