================ @@ -0,0 +1,458 @@ +//===----------------------------------------------------------------------===// +// +// 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, c++17, c++20, c++23 +// The test uses "Placeholder variables with no name" +// UNSUPPORTED: clang-17 +// XFAIL: apple-clang + +// <numeric> + +// template<class R, class T> +// constexpr R saturate_cast(T x) noexcept; // freestanding + +#include <cassert> +#include <concepts> +#include <limits> +#include <numeric> + +#include "test_macros.h" + +// Smaller to larger +static_assert(noexcept(std::saturate_cast<signed int>(std::numeric_limits<signed char>::max()))); +static_assert(noexcept(std::saturate_cast<signed int>(std::numeric_limits<unsigned char>::max()))); + +static_assert(noexcept(std::saturate_cast<unsigned int>(std::numeric_limits<signed char>::max()))); +static_assert(noexcept(std::saturate_cast<unsigned int>(std::numeric_limits<unsigned char>::max()))); + +// Same type +static_assert(noexcept(std::saturate_cast<signed long int>(std::numeric_limits<signed long int>::max()))); +static_assert(noexcept(std::saturate_cast<unsigned long int>(std::numeric_limits<unsigned long int>::max()))); + +// Larger to smaller +static_assert(noexcept(std::saturate_cast<signed char>(std::numeric_limits<signed int>::max()))); +static_assert(noexcept(std::saturate_cast<signed char>(std::numeric_limits<unsigned int>::max()))); + +static_assert(noexcept(std::saturate_cast<unsigned char>(std::numeric_limits<signed int>::max()))); +static_assert(noexcept(std::saturate_cast<unsigned char>(std::numeric_limits<unsigned int>::max()))); + +template <typename IntegerT> +constexpr auto zero() { + return IntegerT{0}; +} + +constexpr bool test() { + // clang-format off + +#ifndef TEST_HAS_NO_INT128 + using SIntT = __int128_t; + using UIntT = __uint128_t; +#else + using SIntT = long long int; + using UIntT = unsigned long long int; +#endif + + // Constants: biggest numbers + + constexpr auto big_sintMin = std::numeric_limits<SIntT>::min(); + constexpr auto big_sintZero = zero<SIntT>(); + constexpr auto big_sintMax = std::numeric_limits<SIntT>::max(); ---------------- H-G-Hristov wrote:
These are needed specifically as these values can vary but I used the C integer constants wherever applicable. https://github.com/llvm/llvm-project/pull/77967 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
