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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
// XFAIL: target=powerpc{{.*}}le-unknown-linux-gnu
// <experimental/simd>
//
// [simd.class]
// template<class U> simd(const simd<U, simd_abi::fixed_size<size()>>&) noexcept;
#include "../test_utils.h"
#include <experimental/simd>
namespace ex = std::experimental::parallelism_v2;
template <class T, class SimdAbi, std::size_t array_size>
struct ConversionHelper {
const std::array<T, array_size>& expected_value;
ConversionHelper(const std::array<T, array_size>& value) : expected_value(value) {}
template <class U>
void operator()() const {
if constexpr (!std::is_same_v<U, T> && std::is_same_v<SimdAbi, ex::simd_abi::fixed_size<array_size>> &&
is_non_narrowing_convertible_v<U, T>) {
static_assert(noexcept(ex::simd<T, SimdAbi>(ex::simd<U, SimdAbi>{})));
ex::simd<U, SimdAbi> origin_simd([](U i) { return i; });
ex::simd<T, SimdAbi> simd_from_implicit_conversion(origin_simd);
assert_simd_values_equal<array_size>(simd_from_implicit_conversion, expected_value);
}
}
};
template <class T, std::size_t>
struct CheckConversionSimdCtor {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
std::array<T, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i)
expected_value[i] = static_cast<T>(i);
types::for_each(simd_test_types(), ConversionHelper<T, SimdAbi, array_size>(expected_value));
}
};
template <class T, class SimdAbi, std::size_t array_size>
struct CheckConversionSimdCtorTraitsHelper {
template <class U>
void operator()() {
if constexpr (!std::is_same_v<U, T>) {
if constexpr (std::is_same_v<SimdAbi, ex::simd_abi::fixed_size<array_size>> &&
is_non_narrowing_convertible_v<U, T>)
static_assert(std::is_convertible_v<ex::simd<U, SimdAbi>, ex::simd<T, SimdAbi>>);
else
static_assert(!std::is_convertible_v<ex::simd<U, SimdAbi>, ex::simd<T, SimdAbi>>);
}
}
};
template <class T, std::size_t>
struct CheckConversionSimdCtorTraits {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
types::for_each(simd_test_types(), CheckConversionSimdCtorTraitsHelper<T, SimdAbi, array_size>());
}
};
int main(int, char**) {
test_all_simd_abi<CheckConversionSimdCtor>();
test_all_simd_abi<CheckConversionSimdCtorTraits>();
return 0;
}
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