| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14 |
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| 10 | // XFAIL: target=powerpc{{.*}}le-unknown-linux-gnu |
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| 11 | |
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| 12 | // <experimental/simd> |
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| 13 | // |
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| 14 | // [simd.class] |
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| 15 | // template<class G> explicit simd(G&& gen) noexcept; |
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| 16 | |
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| 17 | #include "../test_utils.h" |
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| 18 | #include <experimental/simd> |
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| 19 | |
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| 20 | namespace ex = std::experimental::parallelism_v2; |
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| 21 | |
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| 22 | template <class T, std::size_t> |
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| 23 | struct CheckGenerateSimdCtor { |
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| 24 | template <class SimdAbi> |
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| 25 | void operator()() { |
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| 26 | ex::simd<T, SimdAbi> origin_simd([](T i) { return i; }); |
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| 27 | constexpr size_t array_size = origin_simd.size(); |
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| 28 | std::array<T, array_size> expected_value; |
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| 29 | for (size_t i = 0; i < array_size; ++i) |
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| 30 | expected_value[i] = static_cast<T>(i); |
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| 31 | assert_simd_values_equal<array_size>(origin_simd, expected_value); |
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| 32 | } |
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| 33 | }; |
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| 34 | |
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| 35 | template <class U, class T, class SimdAbi = ex::simd_abi::compatible<T>, class = void> |
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| 36 | struct has_generate_ctor : std::false_type {}; |
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| 37 | |
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| 38 | template <class U, class T, class SimdAbi> |
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| 39 | struct has_generate_ctor<U, T, SimdAbi, std::void_t<decltype(ex::simd<T, SimdAbi>(std::declval<U>()))>> |
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| 40 | : std::true_type {}; |
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| 41 | |
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| 42 | template <class T, std::size_t> |
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| 43 | struct CheckGenerateCtorTraits { |
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| 44 | template <class SimdAbi> |
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| 45 | void operator()() { |
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| 46 | static_assert(!has_generate_ctor<SimdAbi, T, SimdAbi>::value); |
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| 47 | |
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| 48 | auto func = [](T i) { return i; }; |
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| 49 | static_assert(has_generate_ctor<decltype(func), T, SimdAbi>::value); |
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| 50 | } |
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| 51 | }; |
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| 52 | |
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| 53 | int main(int, char**) { |
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| 54 | test_all_simd_abi<CheckGenerateSimdCtor>(); |
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| 55 | test_all_simd_abi<CheckGenerateCtorTraits>(); |
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| 56 | return 0; |
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| 57 | } |
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| 58 | |
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