Files
android_external_libcxx/test/std/experimental/simd/simd.cons/broadcast.pass.cpp
Tim Shen ac2a43df0f [libcxx] implement <experimental/simd> declarations based on P0214R7.
Summary:
The patch includes all declarations, and also implements the following features:
* ABI.
* narrowing-conversion related SFIANE, including simd<> ctors and (static_)simd_cast.

Reviewers: mclow.lists, EricWF

Subscribers: lichray, sanjoy, MaskRay, cfe-commits

Differential Revision: https://reviews.llvm.org/D41148

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@330627 91177308-0d34-0410-b5e6-96231b3b80d8
2018-04-23 18:47:07 +00:00

56 lines
1.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <experimental/simd>
//
// [simd.class]
// template <class U> simd(U&& value);
#include <cstdint>
#include <experimental/simd>
using namespace std::experimental::parallelism_v2;
template <class T, class... Args>
auto not_supported_native_simd_ctor(Args&&... args)
-> decltype(native_simd<T>(std::forward<Args>(args)...), void()) = delete;
template <class T>
void not_supported_native_simd_ctor(...) {}
template <class T, class... Args>
auto supported_native_simd_ctor(Args&&... args)
-> decltype(native_simd<T>(std::forward<Args>(args)...), void()) {}
template <class T>
void supported_native_simd_ctor(...) = delete;
void compile_narrowing_conversion() {
supported_native_simd_ctor<int8_t>(3);
supported_native_simd_ctor<int16_t>(3);
supported_native_simd_ctor<int32_t>(3);
supported_native_simd_ctor<int64_t>(3);
supported_native_simd_ctor<uint8_t>(3);
supported_native_simd_ctor<uint16_t>(3);
supported_native_simd_ctor<uint32_t>(3);
supported_native_simd_ctor<uint64_t>(3);
supported_native_simd_ctor<float>(3.f);
supported_native_simd_ctor<double>(3.);
supported_native_simd_ctor<long double>(3.);
not_supported_native_simd_ctor<float>(3.);
not_supported_native_simd_ctor<int8_t>(long(3));
not_supported_native_simd_ctor<float>(long(3));
not_supported_native_simd_ctor<int>(3.);
}
int main() {}