xref: /llvm-project/libcxx/test/std/experimental/simd/simd.mask.class/simd_mask_subscr.pass.cpp (revision dc5341069315fe0129e19062eb0ddcc221b7508f)
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 // reference operator[](size_t i);
15 // value_type operator[](size_t i) const;
16 
17 #include "../test_utils.h"
18 #include <experimental/simd>
19 
20 namespace ex = std::experimental::parallelism_v2;
21 
22 template <class T, std::size_t>
23 struct CheckSimdMaskReferenceSubscr {
24   template <class SimdAbi>
operator ()CheckSimdMaskReferenceSubscr25   void operator()() {
26     ex::simd_mask<T, SimdAbi> origin_simd_mask(true);
27     for (size_t i = 0; i < origin_simd_mask.size(); ++i) {
28       static_assert(noexcept(origin_simd_mask[i]));
29       static_assert(std::is_same_v<typename ex::simd_mask<T, SimdAbi>::reference, decltype(origin_simd_mask[i])>);
30       assert(origin_simd_mask[i] == true);
31     }
32   }
33 };
34 
35 template <class T, std::size_t>
36 struct CheckSimdMaskValueTypeSubscr {
37   template <class SimdAbi>
operator ()CheckSimdMaskValueTypeSubscr38   void operator()() {
39     const ex::simd_mask<T, SimdAbi> origin_simd_mask(true);
40     for (size_t i = 0; i < origin_simd_mask.size(); ++i) {
41       static_assert(noexcept(origin_simd_mask[i]));
42       static_assert(std::is_same_v<bool, decltype(origin_simd_mask[i])>);
43       assert(origin_simd_mask[i] == true);
44     }
45   }
46 };
47 
main(int,char **)48 int main(int, char**) {
49   test_all_simd_abi<CheckSimdMaskReferenceSubscr>();
50   test_all_simd_abi<CheckSimdMaskValueTypeSubscr>();
51   return 0;
52 }
53