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[libc++] <experimental/simd> Add default constructor for class simd/s…
…imd_mask (llvm#70424)
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108 changes: 108 additions & 0 deletions
108
libcxx/test/std/experimental/simd/simd.class/simd_ctor_default.pass.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // 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 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| // UNSUPPORTED: c++03, c++11, c++14 | ||
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| // <experimental/simd> | ||
| // | ||
| // [simd.class] | ||
| // simd() noexcept = default; | ||
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| #include "../test_utils.h" | ||
| #include <experimental/simd> | ||
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| namespace ex = std::experimental::parallelism_v2; | ||
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| // See https://www.open-std.org/jtc1/sc22/WG21/docs/papers/2019/n4808.pdf | ||
| // Default intialization performs no initialization of the elements; value-initialization initializes each element with T(). | ||
| // Thus, default initialization leaves the elements in an indeterminate state. | ||
| template <class T, std::size_t> | ||
| struct CheckSimdDefaultCtor { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| static_assert(std::is_nothrow_default_constructible_v<ex::simd<T, SimdAbi>>); | ||
| ex::simd<T, SimdAbi> pure_simd; | ||
| // trash value in default ctor | ||
| static_assert(pure_simd.size() > 0); | ||
| } | ||
| }; | ||
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| template <class T, std::size_t> | ||
| struct CheckSimdDefaultCopyCtor { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd<T, SimdAbi> pure_simd([](T i) { return i; }); | ||
| 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] = pure_simd[i]; | ||
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| static_assert(std::is_nothrow_copy_constructible_v<ex::simd<T, SimdAbi>>); | ||
| ex::simd<T, SimdAbi> from_copy_ctor(pure_simd); | ||
| assert_simd_values_equal<array_size>(from_copy_ctor, expected_value); | ||
| } | ||
| }; | ||
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| template <class T, std::size_t> | ||
| struct CheckSimdDefaultMoveCtor { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd<T, SimdAbi> pure_simd([](T i) { return i; }); | ||
| 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] = pure_simd[i]; | ||
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| static_assert(std::is_nothrow_move_constructible_v<ex::simd<T, SimdAbi>>); | ||
| ex::simd<T, SimdAbi> from_move_ctor(std::move(pure_simd)); | ||
| assert_simd_values_equal<array_size>(from_move_ctor, expected_value); | ||
| } | ||
| }; | ||
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| template <class T, std::size_t> | ||
| struct CheckSimdDefaultCopyAssignment { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd<T, SimdAbi> pure_simd([](T i) { return i; }); | ||
| 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] = pure_simd[i]; | ||
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| static_assert(std::is_nothrow_copy_assignable_v<ex::simd<T, SimdAbi>>); | ||
| ex::simd<T, SimdAbi> from_copy_assignment; | ||
| from_copy_assignment = pure_simd; | ||
| assert_simd_values_equal<array_size>(from_copy_assignment, expected_value); | ||
| } | ||
| }; | ||
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| template <class T, std::size_t> | ||
| struct CheckSimdDefaultMoveAssignment { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd<T, SimdAbi> pure_simd([](T i) { return i; }); | ||
| 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] = pure_simd[i]; | ||
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| static_assert(std::is_nothrow_move_assignable_v<ex::simd<T, SimdAbi>>); | ||
| ex::simd<T, SimdAbi> from_move_assignment; | ||
| from_move_assignment = std::move(pure_simd); | ||
| assert_simd_values_equal<array_size>(from_move_assignment, expected_value); | ||
| } | ||
| }; | ||
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| int main(int, char**) { | ||
| test_all_simd_abi<CheckSimdDefaultCtor>(); | ||
| test_all_simd_abi<CheckSimdDefaultCopyCtor>(); | ||
| test_all_simd_abi<CheckSimdDefaultMoveCtor>(); | ||
| test_all_simd_abi<CheckSimdDefaultCopyAssignment>(); | ||
| test_all_simd_abi<CheckSimdDefaultMoveAssignment>(); | ||
| return 0; | ||
| } |
123 changes: 123 additions & 0 deletions
123
libcxx/test/std/experimental/simd/simd.mask.class/simd_mask_ctor_default.pass.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // 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 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| // UNSUPPORTED: c++03, c++11, c++14 | ||
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| // <experimental/simd> | ||
| // | ||
| // [simd.mask.class] | ||
| // simd_mask() noexcept = default; | ||
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| #include "../test_utils.h" | ||
| #include <experimental/simd> | ||
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| namespace ex = std::experimental::parallelism_v2; | ||
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| // See https://www.open-std.org/jtc1/sc22/WG21/docs/papers/2019/n4808.pdf | ||
| // Default intialization performs no initialization of the elements; value-initialization initializes each element with T(). | ||
| // Thus, default initialization leaves the elements in an indeterminate state. | ||
| template <class T, std::size_t> | ||
| struct CheckSimdMaskDefaultCtor { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd_mask<T, SimdAbi> pure_mask; | ||
| // trash value in default ctor | ||
| static_assert(pure_mask.size() > 0); | ||
| } | ||
| }; | ||
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| template <class T, std::size_t> | ||
| struct CheckSimdMaskDefaultCopyCtor { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd_mask<T, SimdAbi> pure_mask; | ||
| constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>; | ||
| std::array<bool, array_size> expected_value; | ||
| for (size_t i = 0; i < array_size; ++i) { | ||
| if (i % 2 == 0) | ||
| pure_mask[i] = true; | ||
| else | ||
| pure_mask[i] = false; | ||
| expected_value[i] = pure_mask[i]; | ||
| } | ||
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| ex::simd_mask<T, SimdAbi> from_copy_ctor(pure_mask); | ||
| assert_simd_mask_values_equal<array_size>(from_copy_ctor, expected_value); | ||
| } | ||
| }; | ||
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| template <class T, std::size_t> | ||
| struct CheckSimdMaskDefaultMoveCtor { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd_mask<T, SimdAbi> pure_mask; | ||
| constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>; | ||
| std::array<bool, array_size> expected_value; | ||
| for (size_t i = 0; i < array_size; ++i) { | ||
| if (i % 2 == 0) | ||
| pure_mask[i] = true; | ||
| else | ||
| pure_mask[i] = false; | ||
| expected_value[i] = pure_mask[i]; | ||
| } | ||
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| ex::simd_mask<T, SimdAbi> from_move_ctor(std::move(pure_mask)); | ||
| assert_simd_mask_values_equal<array_size>(from_move_ctor, expected_value); | ||
| } | ||
| }; | ||
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| template <class T, std::size_t> | ||
| struct CheckSimdMaskDefaultCopyAssignment { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd_mask<T, SimdAbi> pure_mask; | ||
| constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>; | ||
| std::array<bool, array_size> expected_value; | ||
| for (size_t i = 0; i < array_size; ++i) { | ||
| if (i % 2 == 0) | ||
| pure_mask[i] = true; | ||
| else | ||
| pure_mask[i] = false; | ||
| expected_value[i] = pure_mask[i]; | ||
| } | ||
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| ex::simd_mask<T, SimdAbi> from_copy_assignment; | ||
| from_copy_assignment = pure_mask; | ||
| assert_simd_mask_values_equal<array_size>(from_copy_assignment, expected_value); | ||
| } | ||
| }; | ||
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| template <class T, std::size_t> | ||
| struct CheckSimdMaskDefaultMoveAssignment { | ||
| template <class SimdAbi> | ||
| void operator()() { | ||
| ex::simd_mask<T, SimdAbi> pure_mask; | ||
| constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>; | ||
| std::array<bool, array_size> expected_value; | ||
| for (size_t i = 0; i < array_size; ++i) { | ||
| if (i % 2 == 0) | ||
| pure_mask[i] = true; | ||
| else | ||
| pure_mask[i] = false; | ||
| expected_value[i] = pure_mask[i]; | ||
| } | ||
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| ex::simd_mask<T, SimdAbi> from_move_assignment; | ||
| from_move_assignment = std::move(pure_mask); | ||
| assert_simd_mask_values_equal<array_size>(from_move_assignment, expected_value); | ||
| } | ||
| }; | ||
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| int main(int, char**) { | ||
| test_all_simd_abi<CheckSimdMaskDefaultCtor>(); | ||
| test_all_simd_abi<CheckSimdMaskDefaultCopyCtor>(); | ||
| test_all_simd_abi<CheckSimdMaskDefaultMoveCtor>(); | ||
| test_all_simd_abi<CheckSimdMaskDefaultCopyAssignment>(); | ||
| test_all_simd_abi<CheckSimdMaskDefaultMoveAssignment>(); | ||
| return 0; | ||
| } |