broadcast.pass.cpp
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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++98, c++03, c++11, c++14
// <experimental/simd>
//
// [simd.class]
// template <class U> simd(U&& value);
#include <experimental/simd>
#include <cstdint>
#include <cassert>
#include "test_macros.h"
namespace ex = std::experimental::parallelism_v2;
template <class T, class... Args>
auto not_supported_native_simd_ctor(Args&&... args)
-> decltype(ex::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(ex::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.);
}
void compile_convertible() {
struct ConvertibleToInt {
operator int64_t() const;
};
supported_native_simd_ctor<int64_t>(ConvertibleToInt());
struct NotConvertibleToInt {};
not_supported_native_simd_ctor<int64_t>(NotConvertibleToInt());
}
void compile_unsigned() {
not_supported_native_simd_ctor<int>(3u);
supported_native_simd_ctor<uint16_t>(3u);
}
template <typename SimdType>
void test_broadcast() {
SimdType a(3);
for (size_t i = 0; i < a.size(); i++) {
assert(a[i] == 3);
}
}
int main(int, char**) {
test_broadcast<ex::native_simd<int>>();
test_broadcast<ex::fixed_size_simd<int, 4>>();
test_broadcast<ex::fixed_size_simd<int, 15>>();
return 0;
}