87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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// See GCC PR63723.
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// UNSUPPORTED: gcc-4.9
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// <experimental/simd>
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//
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// [simd.class]
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// template <class U> simd(U&& value);
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#include <cstdint>
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#include <experimental/simd>
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namespace ex = std::experimental::parallelism_v2;
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template <class T, class... Args>
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auto not_supported_native_simd_ctor(Args&&... args)
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-> decltype(ex::native_simd<T>(std::forward<Args>(args)...),
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void()) = delete;
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template <class T>
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void not_supported_native_simd_ctor(...) {}
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template <class T, class... Args>
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auto supported_native_simd_ctor(Args&&... args)
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-> decltype(ex::native_simd<T>(std::forward<Args>(args)...), void()) {}
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template <class T>
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void supported_native_simd_ctor(...) = delete;
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void compile_narrowing_conversion() {
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supported_native_simd_ctor<int8_t>(3);
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supported_native_simd_ctor<int16_t>(3);
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supported_native_simd_ctor<int32_t>(3);
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supported_native_simd_ctor<int64_t>(3);
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supported_native_simd_ctor<uint8_t>(3);
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supported_native_simd_ctor<uint16_t>(3);
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supported_native_simd_ctor<uint32_t>(3);
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supported_native_simd_ctor<uint64_t>(3);
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supported_native_simd_ctor<float>(3.f);
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supported_native_simd_ctor<double>(3.);
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supported_native_simd_ctor<long double>(3.);
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not_supported_native_simd_ctor<float>(3.);
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not_supported_native_simd_ctor<int8_t>(long(3));
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not_supported_native_simd_ctor<float>(long(3));
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not_supported_native_simd_ctor<int>(3.);
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}
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void compile_convertible() {
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struct ConvertibleToInt {
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operator int64_t() const;
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};
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supported_native_simd_ctor<int64_t>(ConvertibleToInt());
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struct NotConvertibleToInt {};
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not_supported_native_simd_ctor<int64_t>(NotConvertibleToInt());
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}
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void compile_unsigned() {
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not_supported_native_simd_ctor<int>(3u);
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supported_native_simd_ctor<uint16_t>(3u);
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}
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template <typename SimdType>
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void test_broadcast() {
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SimdType a(3);
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for (size_t i = 0; i < a.size(); i++) {
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assert(a[i] == 3);
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}
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}
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int main() {
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test_broadcast<ex::native_simd<int>>();
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test_broadcast<ex::fixed_size_simd<int, 4>>();
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test_broadcast<ex::fixed_size_simd<int, 15>>();
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}
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