1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // UNSUPPORTED: c++03, c++11, c++14
10
11 // <experimental/simd>
12 //
13 // [simd.class]
14 // template <class U> simd(U&& value);
15
16 #include <experimental/simd>
17 #include <cstdint>
18 #include <cassert>
19
20 #include "test_macros.h"
21
22 namespace ex = std::experimental::parallelism_v2;
23
24 template <class T, class... Args>
25 auto not_supported_native_simd_ctor(Args&&... args)
26 -> decltype(ex::native_simd<T>(std::forward<Args>(args)...),
27 void()) = delete;
28
29 template <class T>
not_supported_native_simd_ctor(...)30 void not_supported_native_simd_ctor(...) {}
31
32 template <class T, class... Args>
supported_native_simd_ctor(Args &&...args)33 auto supported_native_simd_ctor(Args&&... args)
34 -> decltype(ex::native_simd<T>(std::forward<Args>(args)...), void()) {}
35
36 template <class T>
37 void supported_native_simd_ctor(...) = delete;
38
compile_narrowing_conversion()39 void compile_narrowing_conversion() {
40 supported_native_simd_ctor<int8_t>(3);
41 supported_native_simd_ctor<int16_t>(3);
42 supported_native_simd_ctor<int32_t>(3);
43 supported_native_simd_ctor<int64_t>(3);
44 supported_native_simd_ctor<uint8_t>(3);
45 supported_native_simd_ctor<uint16_t>(3);
46 supported_native_simd_ctor<uint32_t>(3);
47 supported_native_simd_ctor<uint64_t>(3);
48 supported_native_simd_ctor<float>(3.f);
49 supported_native_simd_ctor<double>(3.);
50 supported_native_simd_ctor<long double>(3.);
51
52 not_supported_native_simd_ctor<float>(3.);
53 not_supported_native_simd_ctor<int8_t>(long(3));
54 not_supported_native_simd_ctor<float>(long(3));
55 not_supported_native_simd_ctor<int>(3.);
56 }
57
compile_convertible()58 void compile_convertible() {
59 struct ConvertibleToInt {
60 operator int64_t() const;
61 };
62 supported_native_simd_ctor<int64_t>(ConvertibleToInt());
63
64 struct NotConvertibleToInt {};
65 not_supported_native_simd_ctor<int64_t>(NotConvertibleToInt());
66 }
67
compile_unsigned()68 void compile_unsigned() {
69 not_supported_native_simd_ctor<int>(3u);
70 supported_native_simd_ctor<uint16_t>(3u);
71 }
72
73 template <typename SimdType>
test_broadcast()74 void test_broadcast() {
75 SimdType a(3);
76 for (size_t i = 0; i < a.size(); i++) {
77 assert(a[i] == 3);
78 }
79 }
80
main(int,char **)81 int main(int, char**) {
82 test_broadcast<ex::native_simd<int>>();
83 test_broadcast<ex::fixed_size_simd<int, 4>>();
84 test_broadcast<ex::fixed_size_simd<int, 15>>();
85
86 return 0;
87 }
88