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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
// Older versions of clang may encounter a backend error (see 0295c2ad):
// Pass-by-value arguments with alignment greater than register width are not supported.
// XFAIL: target=powerpc{{.*}}-ibm-{{.*}} && clang-18
// This test crashes AppleClang 15 but not later versions.
// UNSUPPORTED: apple-clang-15
// FIXME: The following issue occurs on Windows to Armv7 Ubuntu Linux:
// Assertion failed: N->getValueType(0) == MVT::v1i1 && "Expected v1i1 type"
// XFAIL: target=armv7-unknown-linux-gnueabihf
// <experimental/simd>
//
// [simd.class]
// simd& operator++() noexcept;
// simd operator++(int) noexcept;
// simd& operator--() noexcept;
// simd operator--(int) noexcept;
// mask_type operator!() const noexcept;
// simd operator~() const noexcept;
// simd operator+() const noexcept;
// simd operator-() const noexcept;
#include "../test_utils.h"
#include <experimental/simd>
namespace ex = std::experimental::parallelism_v2;
template <class T, std::size_t>
struct CheckSimdPrefixIncrementOperator {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
static_assert(noexcept(++origin_simd));
std::array<T, array_size> expected_return_value, expected_value;
for (size_t i = 0; i < array_size; ++i) {
expected_return_value[i] = static_cast<T>(i) + 1;
expected_value[i] = static_cast<T>(i) + 1;
}
assert_simd_values_equal<array_size>(++origin_simd, expected_return_value);
assert_simd_values_equal<array_size>(origin_simd, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdPostfixIncrementOperator {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
static_assert(noexcept(origin_simd++));
std::array<T, array_size> expected_return_value, expected_value;
for (size_t i = 0; i < array_size; ++i) {
expected_return_value[i] = static_cast<T>(i);
expected_value[i] = static_cast<T>(i) + 1;
}
assert_simd_values_equal<array_size>(origin_simd++, expected_return_value);
assert_simd_values_equal<array_size>(origin_simd, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdPrefixDecrementOperator {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
static_assert(noexcept(--origin_simd));
std::array<T, array_size> expected_return_value, expected_value;
for (size_t i = 0; i < array_size; ++i) {
expected_return_value[i] = static_cast<T>(i) - 1;
expected_value[i] = static_cast<T>(i) - 1;
}
assert_simd_values_equal<array_size>(--origin_simd, expected_return_value);
assert_simd_values_equal<array_size>(origin_simd, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdPostfixDecrementOperator {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
static_assert(noexcept(origin_simd--));
std::array<T, array_size> expected_return_value, expected_value;
for (size_t i = 0; i < array_size; ++i) {
expected_return_value[i] = static_cast<T>(i);
expected_value[i] = static_cast<T>(i) - 1;
}
assert_simd_values_equal<array_size>(origin_simd--, expected_return_value);
assert_simd_values_equal<array_size>(origin_simd, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdNegationOperator {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
static_assert(noexcept(!origin_simd));
std::array<bool, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i)
expected_value[i] = !static_cast<bool>(i);
assert_simd_mask_values_equal<array_size>(!origin_simd, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdBitwiseNotOperator {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
static_assert(noexcept(~origin_simd));
std::array<T, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i)
expected_value[i] = ~static_cast<T>(i);
assert_simd_values_equal<array_size>(~origin_simd, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdPositiveSignOperator {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
static_assert(noexcept(+origin_simd));
std::array<T, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i)
expected_value[i] = +static_cast<T>(i);
assert_simd_values_equal<array_size>(+origin_simd, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdNegativeSignOperator {
template <class SimdAbi>
void operator()() {
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
static_assert(noexcept(-origin_simd));
std::array<T, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i)
expected_value[i] = -static_cast<T>(i);
assert_simd_values_equal<array_size>(-origin_simd, expected_value);
}
};
template <class T, class SimdAbi = ex::simd_abi::compatible<T>, class = void>
struct has_bitwise_not_op : std::false_type {};
template <class T, class SimdAbi>
struct has_bitwise_not_op<T, SimdAbi, std::void_t<decltype(~std::declval<ex::simd<T, SimdAbi>>())>> : std::true_type {};
template <class T, std::size_t>
struct CheckSimdBitwiseNotTraits {
template <class SimdAbi>
void operator()() {
// This function shall not participate in overload resolution unless
// T is an integral type.
if constexpr (std::is_integral_v<T>)
static_assert(has_bitwise_not_op<T, SimdAbi>::value);
// T is not an integral type.
else
static_assert(!has_bitwise_not_op<T, SimdAbi>::value);
}
};
int main(int, char**) {
test_all_simd_abi<CheckSimdPrefixIncrementOperator>();
test_all_simd_abi<CheckSimdPostfixIncrementOperator>();
test_all_simd_abi<CheckSimdPrefixDecrementOperator>();
test_all_simd_abi<CheckSimdPostfixDecrementOperator>();
test_all_simd_abi<CheckSimdNegationOperator>();
types::for_each(types::integer_types(), TestAllSimdAbiFunctor<CheckSimdBitwiseNotOperator>());
test_all_simd_abi<CheckSimdPositiveSignOperator>();
test_all_simd_abi<CheckSimdNegativeSignOperator>();
test_all_simd_abi<CheckSimdBitwiseNotTraits>();
return 0;
}
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