[libcxx] r338316 - Revert "[libcxx] implement <simd> ABI for Clang/GCC vector extension, constructors, copy_from and copy_to."

Tim Shen via cfe-commits cfe-commits at lists.llvm.org
Mon Jul 30 15:21:22 PDT 2018


Author: timshen
Date: Mon Jul 30 15:21:22 2018
New Revision: 338316

URL: http://llvm.org/viewvc/llvm-project?rev=338316&view=rev
Log:
Revert "[libcxx] implement <simd> ABI for Clang/GCC vector extension, constructors, copy_from and copy_to."

This reverts commit r338309.

Removed:
    libcxx/trunk/test/std/experimental/simd/simd.abi/
    libcxx/trunk/test/std/experimental/simd/simd.access/
    libcxx/trunk/test/std/experimental/simd/simd.cons/default.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.cons/load.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.mem/
Modified:
    libcxx/trunk/include/__config
    libcxx/trunk/include/experimental/__config
    libcxx/trunk/include/experimental/simd
    libcxx/trunk/test/std/experimental/simd/simd.casts/simd_cast.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.casts/static_simd_cast.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.cons/broadcast.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.cons/generator.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.traits/abi_for_size.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.traits/is_abi_tag.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_flag_type.pass.cpp
    libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_mask.pass.cpp

Modified: libcxx/trunk/include/__config
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/__config?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/include/__config (original)
+++ libcxx/trunk/include/__config Mon Jul 30 15:21:22 2018
@@ -620,8 +620,6 @@ namespace std {
 
 #define _LIBCPP_ALWAYS_INLINE __forceinline
 
-#define _LIBCPP_HAS_NO_VECTOR_EXTENSION
-
 #elif defined(_LIBCPP_COMPILER_IBM)
 
 #define _ALIGNAS(x) __attribute__((__aligned__(x)))
@@ -654,8 +652,6 @@ namespace std {
 
 #define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__))
 
-#define _LIBCPP_HAS_NO_VECTOR_EXTENSION
-
 #endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM]
 
 #if _LIBCPP_STD_VER >= 17

Modified: libcxx/trunk/include/experimental/__config
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/experimental/__config?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/include/experimental/__config (original)
+++ libcxx/trunk/include/experimental/__config Mon Jul 30 15:21:22 2018
@@ -64,11 +64,4 @@
 #define _LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD_ABI \
     } _LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD
 
-// TODO: support more targets
-#if defined(__AVX__)
-#define _LIBCPP_NATIVE_SIMD_WIDTH_IN_BYTES 32
-#else
-#define _LIBCPP_NATIVE_SIMD_WIDTH_IN_BYTES 16
-#endif
-
 #endif

Modified: libcxx/trunk/include/experimental/simd
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/experimental/simd?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/include/experimental/simd (original)
+++ libcxx/trunk/include/experimental/simd Mon Jul 30 15:21:22 2018
@@ -651,7 +651,6 @@ public:
 */
 
 #include <experimental/__config>
-#include <algorithm>
 #include <array>
 #include <cstddef>
 #include <functional>
@@ -665,241 +664,23 @@ _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIM
 enum class _StorageKind {
   _Scalar,
   _Array,
-  _VecExt,
 };
 
 template <_StorageKind __kind, int _Np>
 struct __simd_abi {};
 
 template <class _Tp, class _Abi>
-class __simd_storage {};
+struct __simd_storage_traits {};
 
 template <class _Tp, int __num_element>
-class __simd_storage<_Tp, __simd_abi<_StorageKind::_Array, __num_element>> {
-  std::array<_Tp, __num_element> __storage_;
-
-  template <class, class>
-  friend struct simd;
-
-  template <class, class>
-  friend struct simd_mask;
-
-public:
-  _Tp __get(size_t __index) const noexcept { return __storage_[__index]; };
-  void __set(size_t __index, _Tp __val) noexcept {
-    __storage_[__index] = __val;
-  }
+struct __simd_storage_traits<_Tp,
+                             __simd_abi<_StorageKind::_Array, __num_element>> {
+  using type = std::array<_Tp, __num_element>;
 };
 
 template <class _Tp>
-class __simd_storage<_Tp, __simd_abi<_StorageKind::_Scalar, 1>> {
-  _Tp __storage_;
-
-  template <class, class>
-  friend struct simd;
-
-  template <class, class>
-  friend struct simd_mask;
-
-public:
-  _Tp __get(size_t __index) const noexcept { return (&__storage_)[__index]; };
-  void __set(size_t __index, _Tp __val) noexcept {
-    (&__storage_)[__index] = __val;
-  }
-};
-
-#ifndef _LIBCPP_HAS_NO_VECTOR_EXTENSION
-
-constexpr size_t __floor_pow_of_2(size_t __val) {
-  return ((__val - 1) & __val) == 0 ? __val
-                                    : __floor_pow_of_2((__val - 1) & __val);
-}
-
-constexpr size_t __ceil_pow_of_2(size_t __val) {
-  return __val == 1 ? 1 : __floor_pow_of_2(__val - 1) << 1;
-}
-
-template <class _Tp, size_t __bytes>
-struct __vec_ext_traits {
-#if !defined(_LIBCPP_COMPILER_CLANG)
-  typedef _Tp type __attribute__((vector_size(__ceil_pow_of_2(__bytes))));
-#endif
-};
-
-#if defined(_LIBCPP_COMPILER_CLANG)
-#define _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, _NUM_ELEMENT)                        \
-  template <>                                                                  \
-  struct __vec_ext_traits<_TYPE, sizeof(_TYPE) * _NUM_ELEMENT> {               \
-    using type =                                                               \
-        _TYPE __attribute__((vector_size(sizeof(_TYPE) * _NUM_ELEMENT)));      \
-  }
-
-#define _LIBCPP_SPECIALIZE_VEC_EXT_32(_TYPE)                                   \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 1);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 2);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 3);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 4);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 5);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 6);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 7);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 8);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 9);                                        \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 10);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 11);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 12);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 13);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 14);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 15);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 16);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 17);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 18);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 19);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 20);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 21);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 22);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 23);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 24);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 25);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 26);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 27);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 28);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 29);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 30);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 31);                                       \
-  _LIBCPP_SPECIALIZE_VEC_EXT(_TYPE, 32);
-
-_LIBCPP_SPECIALIZE_VEC_EXT_32(char);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(char16_t);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(char32_t);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(wchar_t);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(signed char);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(signed short);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(signed int);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(signed long);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(signed long long);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned char);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned short);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned int);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned long);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(unsigned long long);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(float);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(double);
-_LIBCPP_SPECIALIZE_VEC_EXT_32(long double);
-
-#undef _LIBCPP_SPECIALIZE_VEC_EXT_32
-#undef _LIBCPP_SPECIALIZE_VEC_EXT
-#endif
-
-template <class _Tp, int __num_element>
-class __simd_storage<_Tp, __simd_abi<_StorageKind::_VecExt, __num_element>> {
-  using _StorageType =
-      typename __vec_ext_traits<_Tp, sizeof(_Tp) * __num_element>::type;
-
-  _StorageType __storage_;
-
-  template <class, class>
-  friend struct simd;
-
-  template <class, class>
-  friend struct simd_mask;
-
-public:
-  _Tp __get(size_t __index) const noexcept { return __storage_[__index]; };
-  void __set(size_t __index, _Tp __val) noexcept {
-    __storage_[__index] = __val;
-  }
-};
-
-#endif // _LIBCPP_HAS_NO_VECTOR_EXTENSION
-
-template <class _Vp, class _Tp, class _Abi>
-class __simd_reference {
-  static_assert(std::is_same<_Vp, _Tp>::value, "");
-
-  template <class, class>
-  friend struct simd;
-
-  template <class, class>
-  friend struct simd_mask;
-
-  __simd_storage<_Tp, _Abi>* __ptr_;
-  size_t __index_;
-
-  __simd_reference(__simd_storage<_Tp, _Abi>* __ptr, size_t __index)
-      : __ptr_(__ptr), __index_(__index) {}
-
-  __simd_reference(const __simd_reference&) = default;
-
-public:
-  __simd_reference() = delete;
-  __simd_reference& operator=(const __simd_reference&) = delete;
-
-  operator _Vp() const { return __ptr_->__get(__index_); }
-
-  __simd_reference operator=(_Vp __value) && {
-    __ptr_->__set(__index_, __value);
-    return *this;
-  }
-
-  __simd_reference operator++() && {
-    return std::move(*this) = __ptr_->__get(__index_) + 1;
-  }
-
-  _Vp operator++(int) && {
-    auto __val = __ptr_->__get(__index_);
-    __ptr_->__set(__index_, __val + 1);
-    return __val;
-  }
-
-  __simd_reference operator--() && {
-    return std::move(*this) = __ptr_->__get(__index_) - 1;
-  }
-
-  _Vp operator--(int) && {
-    auto __val = __ptr_->__get(__index_);
-    __ptr_->__set(__index_, __val - 1);
-    return __val;
-  }
-
-  __simd_reference operator+=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) + __value;
-  }
-
-  __simd_reference operator-=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) - __value;
-  }
-
-  __simd_reference operator*=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) * __value;
-  }
-
-  __simd_reference operator/=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) / __value;
-  }
-
-  __simd_reference operator%=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) % __value;
-  }
-
-  __simd_reference operator>>=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) >> __value;
-  }
-
-  __simd_reference operator<<=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) << __value;
-  }
-
-  __simd_reference operator&=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) & __value;
-  }
-
-  __simd_reference operator|=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) | __value;
-  }
-
-  __simd_reference operator^=(_Vp __value) && {
-    return std::move(*this) = __ptr_->__get(__index_) ^ __value;
-  }
+struct __simd_storage_traits<_Tp, __simd_abi<_StorageKind::_Scalar, 1>> {
+  using type = _Tp;
 };
 
 template <class _To, class _From>
@@ -939,17 +720,6 @@ constexpr _Tp __variadic_sum(_Up __first
   return static_cast<_Tp>(__first) + __variadic_sum<_Tp>(__rest...);
 }
 
-template <class _Tp>
-struct __nodeduce {
-  using type = _Tp;
-};
-
-template <class _Tp>
-constexpr bool __vectorizable() {
-  return std::is_arithmetic<_Tp>::value && !std::is_const<_Tp>::value &&
-         !std::is_volatile<_Tp>::value && !std::is_same<_Tp, bool>::value;
-}
-
 _LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD
 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD_ABI
 
@@ -958,21 +728,14 @@ using scalar = __simd_abi<_StorageKind::
 template <int _Np>
 using fixed_size = __simd_abi<_StorageKind::_Array, _Np>;
 
+#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)
 template <class _Tp>
-_LIBCPP_INLINE_VAR constexpr size_t max_fixed_size = 32;
-
+_LIBCPP_INLINE_VAR constexpr int max_fixed_size = 32;
+#endif
 template <class _Tp>
 using compatible = fixed_size<16 / sizeof(_Tp)>;
-
-#ifndef _LIBCPP_HAS_NO_VECTOR_EXTENSION
 template <class _Tp>
-using native = __simd_abi<_StorageKind::_VecExt,
-                          _LIBCPP_NATIVE_SIMD_WIDTH_IN_BYTES / sizeof(_Tp)>;
-#else
-template <class _Tp>
-using native =
-    fixed_size<_Tp, _LIBCPP_NATIVE_SIMD_WIDTH_IN_BYTES / sizeof(_Tp)>;
-#endif // _LIBCPP_HAS_NO_VECTOR_EXTENSION
+using native = compatible<_Tp>;
 
 _LIBCPP_END_NAMESPACE_EXPERIMENTAL_SIMD_ABI
 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD
@@ -986,10 +749,14 @@ struct element_aligned_tag {};
 struct vector_aligned_tag {};
 template <size_t>
 struct overaligned_tag {};
+#if _LIBCPP_STD_VER > 14
 _LIBCPP_INLINE_VAR constexpr element_aligned_tag element_aligned{};
 _LIBCPP_INLINE_VAR constexpr vector_aligned_tag vector_aligned{};
+#if !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)
 template <size_t _Np>
 _LIBCPP_INLINE_VAR constexpr overaligned_tag<_Np> overaligned{};
+#endif
+#endif
 
 // traits [simd.traits]
 template <class _Tp>
@@ -1027,6 +794,7 @@ template <size_t _Align>
 struct is_simd_flag_type<overaligned_tag<_Align>>
     : std::integral_constant<bool, true> {};
 
+#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)
 template <class _Tp>
 _LIBCPP_INLINE_VAR constexpr bool is_abi_tag_v = is_abi_tag<_Tp>::value;
 template <class _Tp>
@@ -1036,6 +804,7 @@ _LIBCPP_INLINE_VAR constexpr bool is_sim
 template <class _Tp>
 _LIBCPP_INLINE_VAR constexpr bool is_simd_flag_type_v =
     is_simd_flag_type<_Tp>::value;
+#endif
 template <class _Tp, size_t _Np>
 struct abi_for_size {
   using type = simd_abi::fixed_size<_Np>;
@@ -1055,16 +824,17 @@ struct simd_size<_Tp, __simd_abi<__kind,
       "Element type should be vectorizable");
 };
 
-// TODO: implement it.
 template <class _Tp, class _Up = typename _Tp::value_type>
 struct memory_alignment;
 
+#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)
 template <class _Tp, class _Abi = simd_abi::compatible<_Tp>>
 _LIBCPP_INLINE_VAR constexpr size_t simd_size_v = simd_size<_Tp, _Abi>::value;
 
 template <class _Tp, class _Up = typename _Tp::value_type>
 _LIBCPP_INLINE_VAR constexpr size_t memory_alignment_v =
     memory_alignment<_Tp, _Up>::value;
+#endif
 
 // class template simd [simd.class]
 template <class _Tp>
@@ -1202,6 +972,11 @@ template <class _MaskType, class _Tp>
 class where_expression;
 
 // masked assignment [simd.mask.where]
+template <class _Tp>
+struct __nodeduce {
+  using type = _Tp;
+};
+
 template <class _Tp, class _Abi>
 where_expression<simd_mask<_Tp, _Abi>, simd<_Tp, _Abi>>
 where(const typename simd<_Tp, _Abi>::mask_type&, simd<_Tp, _Abi>&) noexcept;
@@ -1338,23 +1113,7 @@ public:
 // TODO: implement simd
 template <class _Tp, class _Abi>
 class simd {
-public:
-  using value_type = _Tp;
-  using reference = __simd_reference<_Tp, _Tp, _Abi>;
-  using mask_type = simd_mask<_Tp, _Abi>;
-  using abi_type = _Abi;
-
-  simd() = default;
-  simd(const simd&) = default;
-  simd& operator=(const simd&) = default;
-
-  static constexpr size_t size() noexcept {
-    return simd_size<_Tp, _Abi>::value;
-  }
-
 private:
-  __simd_storage<_Tp, _Abi> __s_;
-
   template <class _Up>
   static constexpr bool __can_broadcast() {
     return (std::is_arithmetic<_Up>::value &&
@@ -1367,97 +1126,57 @@ private:
             std::is_unsigned<_Tp>::value);
   }
 
-  template <class _Generator, size_t... __indicies>
-  static constexpr decltype(
-      std::forward_as_tuple(std::declval<_Generator>()(
-          std::integral_constant<size_t, __indicies>())...),
-      bool())
-  __can_generate(std::index_sequence<__indicies...>) {
-    return !__variadic_sum<bool>(
-        !__can_broadcast<decltype(std::declval<_Generator>()(
-            std::integral_constant<size_t, __indicies>()))>()...);
-  }
+public:
+  using value_type = _Tp;
+  // TODO: this is strawman implementation. Turn it into a proxy type.
+  using reference = _Tp&;
+  using mask_type = simd_mask<_Tp, _Abi>;
 
-  template <class _Generator>
-  static bool __can_generate(...) {
-    return false;
-  }
+  using abi_type = _Abi;
 
-  template <class _Generator, size_t... __indicies>
-  void __generator_init(_Generator&& __g, std::index_sequence<__indicies...>) {
-    int __not_used[]{((*this)[__indicies] =
-                          __g(std::integral_constant<size_t, __indicies>()),
-                      0)...};
-    (void)__not_used;
+  static constexpr size_t size() noexcept {
+    return simd_size<_Tp, _Abi>::value;
   }
 
-public:
+  simd() = default;
+
   // implicit type conversion constructor
   template <class _Up,
             class = typename std::enable_if<
                 std::is_same<_Abi, simd_abi::fixed_size<size()>>::value &&
                 __is_non_narrowing_arithmetic_convertible<_Up, _Tp>()>::type>
-  simd(const simd<_Up, simd_abi::fixed_size<size()>>& __v) {
-    for (size_t __i = 0; __i < size(); __i++) {
-      (*this)[__i] = static_cast<_Tp>(__v[__i]);
-    }
-  }
+  simd(const simd<_Up, simd_abi::fixed_size<size()>>&) {}
 
   // implicit broadcast constructor
   template <class _Up,
             class = typename std::enable_if<__can_broadcast<_Up>()>::type>
-  simd(_Up&& __rv) {
-    auto __v = static_cast<_Tp>(__rv);
-    for (size_t __i = 0; __i < size(); __i++) {
-      (*this)[__i] = __v;
-    }
-  }
+  simd(_Up&&);
 
   // generator constructor
+  // TODO: for now only check for the index 0. This is because C++11 doesn't
+  // have index_sequence, and it's hard to check for all indicies without using
+  // index_sequence.
   template <class _Generator,
-            int = typename std::enable_if<
-                __can_generate<_Generator>(std::make_index_sequence<size()>()),
-                int>::type()>
-  explicit simd(_Generator&& __g) {
-    __generator_init(std::forward<_Generator>(__g),
-                     std::make_index_sequence<size()>());
-  }
+            int = decltype(simd(std::declval<_Generator>()(
+                               std::integral_constant<size_t, 0>())),
+                           int())()>
+  explicit simd(_Generator&&);
 
   // load constructor
-  template <
-      class _Up, class _Flags,
-      class = typename std::enable_if<__vectorizable<_Up>()>::type,
-      class = typename std::enable_if<is_simd_flag_type<_Flags>::value>::type>
-  simd(const _Up* __buffer, _Flags) {
-    // TODO: optimize for overaligned flags
-    for (size_t __i = 0; __i < size(); __i++) {
-      (*this)[__i] = static_cast<_Tp>(__buffer[__i]);
-    }
-  }
+  template <class _Up, class _Flags>
+  simd(const _Up*, _Flags);
 
   // loads [simd.load]
   template <class _Up, class _Flags>
-  typename std::enable_if<__vectorizable<_Up>() &&
-                          is_simd_flag_type<_Flags>::value>::type
-  copy_from(const _Up* __buffer, _Flags) {
-    *this = simd(__buffer, _Flags());
-  }
+  void copy_from(const _Up*, _Flags);
 
   // stores [simd.store]
   template <class _Up, class _Flags>
-  typename std::enable_if<__vectorizable<_Up>() &&
-                          is_simd_flag_type<_Flags>::value>::type
-  copy_to(_Up* __buffer, _Flags) const {
-    // TODO: optimize for overaligned flags
-    for (size_t __i = 0; __i < size(); __i++) {
-      __buffer[__i] = static_cast<_Up>((*this)[__i]);
-    }
-  }
+  void copy_to(_Up*, _Flags) const;
 
   // scalar access [simd.subscr]
-  reference operator[](size_t __i) { return reference(&__s_, __i); }
-
-  value_type operator[](size_t __i) const { return __s_.__get(__i); }
+  reference operator[](size_t);
+  value_type operator[](size_t) const;
 
   // unary operators [simd.unary]
   simd& operator++();

Modified: libcxx/trunk/test/std/experimental/simd/simd.casts/simd_cast.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.casts/simd_cast.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.casts/simd_cast.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.casts/simd_cast.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,40 +7,34 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // <experimental/simd>
 //
 // [simd.casts]
-// template <class T, class U, class Abi> see below ex::simd_cast<(const
-// ex::simd<U, Abi>&);
-
+// template <class T, class U, class Abi> see below simd_cast(const simd<U, Abi>&);
 #include <experimental/simd>
 #include <cstdint>
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace std::experimental::parallelism_v2;
 
-static_assert(
-    std::is_same<decltype(ex::simd_cast<int32_t>(ex::native_simd<int32_t>())),
-                 ex::native_simd<int32_t>>::value,
-    "");
-
-static_assert(std::is_same<decltype(ex::simd_cast<int64_t>(
-                               ex::fixed_size_simd<int32_t, 4>())),
-                           ex::fixed_size_simd<int64_t, 4>>::value,
+static_assert(std::is_same<decltype(simd_cast<int32_t>(native_simd<int32_t>())),
+                           native_simd<int32_t>>::value,
               "");
 
 static_assert(
-    std::is_same<decltype(ex::simd_cast<ex::fixed_size_simd<int64_t, 1>>(
-                     ex::simd<int32_t, ex::simd_abi::scalar>())),
-                 ex::fixed_size_simd<int64_t, 1>>::value,
+    std::is_same<decltype(simd_cast<int64_t>(fixed_size_simd<int32_t, 4>())),
+                 fixed_size_simd<int64_t, 4>>::value,
     "");
 
-static_assert(
-    std::is_same<
-        decltype(ex::simd_cast<ex::simd<int64_t, ex::simd_abi::scalar>>(
-            ex::fixed_size_simd<int32_t, 1>())),
-        ex::simd<int64_t, ex::simd_abi::scalar>>::value,
-    "");
+static_assert(std::is_same<decltype(simd_cast<fixed_size_simd<int64_t, 1>>(
+                               simd<int32_t, simd_abi::scalar>())),
+                           fixed_size_simd<int64_t, 1>>::value,
+              "");
+
+static_assert(std::is_same<decltype(simd_cast<simd<int64_t, simd_abi::scalar>>(
+                               fixed_size_simd<int32_t, 1>())),
+                           simd<int64_t, simd_abi::scalar>>::value,
+              "");
 
 int main() {}

Modified: libcxx/trunk/test/std/experimental/simd/simd.casts/static_simd_cast.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.casts/static_simd_cast.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.casts/static_simd_cast.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.casts/static_simd_cast.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,35 +7,32 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // <experimental/simd>
 //
 // [simd.casts]
-// template <class T, class U, class Abi> see below ex::static_simd_cast<(const
-// ex::simd<U, Abi>&);
+// template <class T, class U, class Abi> see below static_simd_cast(const simd<U, Abi>&);
 
 #include <experimental/simd>
 #include <cstdint>
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace std::experimental::parallelism_v2;
 
 static_assert(
-    std::is_same<decltype(ex::static_simd_cast<float>(ex::native_simd<int>())),
-                 ex::native_simd<float>>::value,
+    std::is_same<decltype(static_simd_cast<float>(native_simd<int>())),
+                 native_simd<float>>::value,
     "");
 
-static_assert(
-    std::is_same<decltype(ex::static_simd_cast<ex::fixed_size_simd<float, 1>>(
-                     ex::simd<int, ex::simd_abi::scalar>())),
-                 ex::fixed_size_simd<float, 1>>::value,
-    "");
+static_assert(std::is_same<decltype(static_simd_cast<fixed_size_simd<float, 1>>(
+                               simd<int, simd_abi::scalar>())),
+                           fixed_size_simd<float, 1>>::value,
+              "");
 
 static_assert(
-    std::is_same<
-        decltype(ex::static_simd_cast<ex::simd<float, ex::simd_abi::scalar>>(
-            ex::fixed_size_simd<int, 1>())),
-        ex::simd<float, ex::simd_abi::scalar>>::value,
+    std::is_same<decltype(static_simd_cast<simd<float, simd_abi::scalar>>(
+                     fixed_size_simd<int, 1>())),
+                 simd<float, simd_abi::scalar>>::value,
     "");
 
 int main() {}

Modified: libcxx/trunk/test/std/experimental/simd/simd.cons/broadcast.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.cons/broadcast.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.cons/broadcast.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.cons/broadcast.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // See GCC PR63723.
 // UNSUPPORTED: gcc-4.9
@@ -20,19 +20,18 @@
 #include <cstdint>
 #include <experimental/simd>
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace 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;
+    -> 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(ex::native_simd<T>(std::forward<Args>(args)...), void()) {}
+    -> decltype(native_simd<T>(std::forward<Args>(args)...), void()) {}
 
 template <class T>
 void supported_native_simd_ctor(...) = delete;
@@ -56,31 +55,4 @@ void compile_narrowing_conversion() {
   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() {
-  test_broadcast<ex::native_simd<int>>();
-  test_broadcast<ex::fixed_size_simd<int, 4>>();
-  test_broadcast<ex::fixed_size_simd<int, 15>>();
-}
+int main() {}

Removed: libcxx/trunk/test/std/experimental/simd/simd.cons/default.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.cons/default.pass.cpp?rev=338315&view=auto
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.cons/default.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.cons/default.pass.cpp (removed)
@@ -1,28 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     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, c++11, c++14
-
-// <experimental/simd>
-//
-// [simd.class]
-// simd() = default;
-
-#include <cstdint>
-#include <experimental/simd>
-
-namespace ex = std::experimental::parallelism_v2;
-
-int main() {
-  static_assert(ex::native_simd<int32_t>().size() > 0, "");
-  static_assert(ex::fixed_size_simd<int32_t, 4>().size() == 4, "");
-  static_assert(ex::fixed_size_simd<int32_t, 5>().size() == 5, "");
-  static_assert(ex::fixed_size_simd<int32_t, 1>().size() == 1, "");
-  static_assert(ex::fixed_size_simd<char, 32>().size() == 32, "");
-}

Modified: libcxx/trunk/test/std/experimental/simd/simd.cons/generator.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.cons/generator.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.cons/generator.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.cons/generator.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // See GCC PR63723.
 // UNSUPPORTED: gcc-4.9
@@ -17,75 +17,30 @@
 // [simd.class]
 // template <class G> explicit simd(G&& gen);
 
-#include <experimental/simd>
 #include <cstdint>
+#include <experimental/simd>
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace std::experimental::parallelism_v2;
 
 template <class T, class... Args>
-auto not_supported_simd128_ctor(Args&&... args) -> decltype(
-    ex::fixed_size_simd<T, 16 / sizeof(T)>(std::forward<Args>(args)...),
-    void()) = delete;
+auto not_supported_native_simd_ctor(Args&&... args)
+    -> decltype(native_simd<T>(std::forward<Args>(args)...), void()) = delete;
 
 template <class T>
-void not_supported_simd128_ctor(...) {}
+void not_supported_native_simd_ctor(...) {}
 
 template <class T, class... Args>
-auto supported_simd128_ctor(Args&&... args) -> decltype(
-    ex::fixed_size_simd<T, 16 / sizeof(T)>(std::forward<Args>(args)...),
-    void()) {}
+auto supported_native_simd_ctor(Args&&... args)
+    -> decltype(native_simd<T>(std::forward<Args>(args)...), void()) {}
 
 template <class T>
-void supported_simd128_ctor(...) = delete;
-
-struct identity {
-  template <size_t value>
-  int operator()(std::integral_constant<size_t, value>) const {
-    return value;
-  }
-};
+void supported_native_simd_ctor(...) = delete;
 
 void compile_generator() {
-  supported_simd128_ctor<int>(identity());
-  not_supported_simd128_ctor<int>([](int i) { return float(i); });
-  not_supported_simd128_ctor<int>([](intptr_t i) { return (int*)(i); });
-  not_supported_simd128_ctor<int>([](int* i) { return i; });
-}
-
-struct limited_identity {
-  template <size_t value>
-  typename std::conditional<value <= 2, int32_t, int64_t>::type
-  operator()(std::integral_constant<size_t, value>) const {
-    return value;
-  }
-};
-
-void compile_limited_identity() {
-  supported_simd128_ctor<int64_t>(limited_identity());
-  not_supported_simd128_ctor<int32_t>(limited_identity());
-}
-
-template <typename SimdType>
-void test_generator() {
-  {
-    SimdType a([](int i) { return i; });
-    assert(a[0] == 0);
-    assert(a[1] == 1);
-    assert(a[2] == 2);
-    assert(a[3] == 3);
-  }
-  {
-    SimdType a([](int i) { return 2 * i - 1; });
-    assert(a[0] == -1);
-    assert(a[1] == 1);
-    assert(a[2] == 3);
-    assert(a[3] == 5);
-  }
+  supported_native_simd_ctor<int>([](int i) { return i; });
+  not_supported_native_simd_ctor<int>([](int i) { return float(i); });
+  not_supported_native_simd_ctor<int>([](intptr_t i) { return (int*)(i); });
+  not_supported_native_simd_ctor<int>([](int* i) { return i; });
 }
 
-int main() {
-  // TODO: adjust the tests when this assertion fails.
-  assert(ex::native_simd<int32_t>::size() >= 4);
-  test_generator<ex::native_simd<int32_t>>();
-  test_generator<ex::fixed_size_simd<int32_t, 4>>();
-}
+int main() {}

Removed: libcxx/trunk/test/std/experimental/simd/simd.cons/load.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.cons/load.pass.cpp?rev=338315&view=auto
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.cons/load.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.cons/load.pass.cpp (removed)
@@ -1,118 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     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, c++11, c++14
-
-// <experimental/simd>
-//
-// [simd.class]
-// template <class U, class Flags> simd(const U* mem, Flags f);
-
-#include <cstdint>
-#include <experimental/simd>
-
-#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_load_ctor() {
-  supported_native_simd_ctor<int>((int*)nullptr, ex::element_aligned_tag());
-  supported_native_simd_ctor<uint32_t>((int*)nullptr,
-                                       ex::element_aligned_tag());
-  supported_native_simd_ctor<double>((float*)nullptr,
-                                     ex::element_aligned_tag());
-  supported_native_simd_ctor<uint16_t>((unsigned int*)nullptr,
-                                       ex::element_aligned_tag());
-  supported_native_simd_ctor<uint32_t>((float*)nullptr,
-                                       ex::element_aligned_tag());
-
-  not_supported_native_simd_ctor<int>((int*)nullptr, int());
-}
-
-template <typename SimdType>
-void test_load_ctor() {
-  alignas(32) int32_t buffer[] = {4, 3, 2, 1};
-  {
-    SimdType a(buffer, ex::element_aligned_tag());
-    assert(a[0] == 4);
-    assert(a[1] == 3);
-    assert(a[2] == 2);
-    assert(a[3] == 1);
-  }
-  {
-    SimdType a(buffer, ex::vector_aligned_tag());
-    assert(a[0] == 4);
-    assert(a[1] == 3);
-    assert(a[2] == 2);
-    assert(a[3] == 1);
-  }
-  {
-    SimdType a(buffer, ex::overaligned_tag<32>());
-    assert(a[0] == 4);
-    assert(a[1] == 3);
-    assert(a[2] == 2);
-    assert(a[3] == 1);
-  }
-
-  {
-    SimdType a(buffer, ex::element_aligned);
-    assert(a[0] == 4);
-    assert(a[1] == 3);
-    assert(a[2] == 2);
-    assert(a[3] == 1);
-  }
-  {
-    SimdType a(buffer, ex::vector_aligned);
-    assert(a[0] == 4);
-    assert(a[1] == 3);
-    assert(a[2] == 2);
-    assert(a[3] == 1);
-  }
-  {
-    SimdType a(buffer, ex::overaligned<32>);
-    assert(a[0] == 4);
-    assert(a[1] == 3);
-    assert(a[2] == 2);
-    assert(a[3] == 1);
-  }
-}
-
-template <typename SimdType>
-void test_converting_load_ctor() {
-  float buffer[] = {1., 2., 4., 8.};
-  SimdType a(buffer, ex::element_aligned_tag());
-  assert(a[0] == 1);
-  assert(a[1] == 2);
-  assert(a[2] == 4);
-  assert(a[3] == 8);
-}
-
-int main() {
-  // TODO: adjust the tests when this assertion fails.
-  assert(ex::native_simd<int32_t>::size() >= 4);
-  test_load_ctor<ex::native_simd<int32_t>>();
-  test_load_ctor<ex::fixed_size_simd<int32_t, 4>>();
-  test_converting_load_ctor<ex::native_simd<int32_t>>();
-  test_converting_load_ctor<ex::fixed_size_simd<int32_t, 4>>();
-}

Modified: libcxx/trunk/test/std/experimental/simd/simd.traits/abi_for_size.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.traits/abi_for_size.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.traits/abi_for_size.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.traits/abi_for_size.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,26 +7,24 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // <experimental/simd>
 //
 // [simd.traits]
-// template <class T, size_t N> struct abi_for_size { using type = see below ;
-// }; template <class T, size_t N> using ex::abi_for_size_t = typename
-// ex::abi_for_size<T, N>::type;
+// template <class T, size_t N> struct abi_for_size { using type = see below ; };
+// template <class T, size_t N> using abi_for_size_t = typename abi_for_size<T, N>::type;
 
 #include <cstdint>
 #include <experimental/simd>
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace std::experimental::parallelism_v2;
 
-static_assert(std::is_same<typename ex::abi_for_size<int, 4>::type,
-                           ex::simd_abi::fixed_size<4>>::value,
+static_assert(std::is_same<typename abi_for_size<int, 4>::type,
+                           simd_abi::fixed_size<4>>::value,
               "");
 
-static_assert(std::is_same<ex::abi_for_size_t<int, 4>,
-                           ex::simd_abi::fixed_size<4>>::value,
-              "");
+static_assert(
+    std::is_same<abi_for_size_t<int, 4>, simd_abi::fixed_size<4>>::value, "");
 
 int main() {}

Modified: libcxx/trunk/test/std/experimental/simd/simd.traits/is_abi_tag.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.traits/is_abi_tag.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.traits/is_abi_tag.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.traits/is_abi_tag.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,107 +7,109 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // <experimental/simd>
 //
 // [simd.traits]
 // template <class T> struct is_abi_tag;
-// template <class T> inline constexpr bool ex::is_abi_tag_v =
-// ex::is_abi_tag<T>::value;
+// template <class T> inline constexpr bool is_abi_tag_v = is_abi_tag<T>::value;
 
 #include <cstdint>
 #include <experimental/simd>
 #include "test_macros.h"
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace std::experimental::parallelism_v2;
 
 struct UserType {};
 
-static_assert(ex::is_abi_tag<ex::simd_abi::native<int8_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<int16_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<int32_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<int64_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<uint8_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<uint16_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<uint32_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<uint64_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<float>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::native<double>>::value, "");
-
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<int8_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<int16_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<int32_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<int64_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<uint8_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<uint16_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<uint32_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<uint64_t>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<float>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::compatible<double>>::value, "");
-
-static_assert(ex::is_abi_tag<ex::simd_abi::scalar>::value, "");
-static_assert(
-    !std::is_same<ex::simd_abi::scalar, ex::simd_abi::fixed_size<1>>::value,
-    "");
-
-static_assert(ex::is_abi_tag<ex::simd_abi::fixed_size<1>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::fixed_size<2>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::fixed_size<3>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::fixed_size<4>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::fixed_size<5>>::value, "");
-static_assert(ex::is_abi_tag<ex::simd_abi::fixed_size<32>>::value, "");
-
-static_assert(!ex::is_abi_tag<void>::value, "");
-static_assert(!ex::is_abi_tag<int>::value, "");
-static_assert(!ex::is_abi_tag<float>::value, "");
-static_assert(!ex::is_abi_tag<UserType>::value, "");
-static_assert(!ex::is_abi_tag<ex::simd<int>>::value, "");
-static_assert(!ex::is_abi_tag<ex::simd<float>>::value, "");
-static_assert(!ex::is_abi_tag<ex::simd_mask<int>>::value, "");
-static_assert(!ex::is_abi_tag<ex::simd_mask<float>>::value, "");
-
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<int8_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<int16_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<int32_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<int64_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<uint8_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<uint16_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<uint32_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<uint64_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<float>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::native<double>>, "");
-
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<int8_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<int16_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<int32_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<int64_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<uint8_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<uint16_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<uint32_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<uint64_t>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<float>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::compatible<double>>, "");
-
-static_assert(ex::is_abi_tag_v<ex::simd_abi::scalar>, "");
-static_assert(
-    !std::is_same<ex::simd_abi::scalar, ex::simd_abi::fixed_size<1>>::value,
-    "");
-
-static_assert(ex::is_abi_tag_v<ex::simd_abi::fixed_size<1>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::fixed_size<2>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::fixed_size<3>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::fixed_size<4>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::fixed_size<5>>, "");
-static_assert(ex::is_abi_tag_v<ex::simd_abi::fixed_size<32>>, "");
-
-static_assert(!ex::is_abi_tag_v<void>, "");
-static_assert(!ex::is_abi_tag_v<int>, "");
-static_assert(!ex::is_abi_tag_v<float>, "");
-static_assert(!ex::is_abi_tag_v<UserType>, "");
-static_assert(!ex::is_abi_tag_v<ex::simd<int>>, "");
-static_assert(!ex::is_abi_tag_v<ex::simd<float>>, "");
-static_assert(!ex::is_abi_tag_v<ex::simd_mask<int>>, "");
-static_assert(!ex::is_abi_tag_v<ex::simd_mask<float>>, "");
+static_assert( is_abi_tag<simd_abi::native<int8_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<int16_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<int32_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<int64_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<uint8_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<uint16_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<uint32_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<uint64_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<float>>::value, "");
+static_assert( is_abi_tag<simd_abi::native<double>>::value, "");
+
+static_assert( is_abi_tag<simd_abi::compatible<int8_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<int16_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<int32_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<int64_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<uint8_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<uint16_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<uint32_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<uint64_t>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<float>>::value, "");
+static_assert( is_abi_tag<simd_abi::compatible<double>>::value, "");
+
+static_assert( is_abi_tag<simd_abi::scalar>::value, "");
+static_assert(!std::is_same<simd_abi::scalar, simd_abi::fixed_size<1>>::value,
+              "");
+
+static_assert( is_abi_tag<simd_abi::fixed_size<1>>::value, "");
+static_assert( is_abi_tag<simd_abi::fixed_size<2>>::value, "");
+static_assert( is_abi_tag<simd_abi::fixed_size<3>>::value, "");
+static_assert( is_abi_tag<simd_abi::fixed_size<4>>::value, "");
+static_assert( is_abi_tag<simd_abi::fixed_size<5>>::value, "");
+static_assert( is_abi_tag<simd_abi::fixed_size<32>>::value, "");
+
+static_assert(!is_abi_tag<void>::value, "");
+static_assert(!is_abi_tag<int>::value, "");
+static_assert(!is_abi_tag<float>::value, "");
+static_assert(!is_abi_tag<UserType>::value, "");
+static_assert(!is_abi_tag<simd<int>>::value, "");
+static_assert(!is_abi_tag<simd<float>>::value, "");
+static_assert(!is_abi_tag<simd_mask<int>>::value, "");
+static_assert(!is_abi_tag<simd_mask<float>>::value, "");
+
+#if TEST_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) &&        \
+    !defined(_LIBCPP_HAS_NO_INLINE_VARIABLES)
+
+static_assert( is_abi_tag_v<simd_abi::native<int8_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<int16_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<int32_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<int64_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<uint8_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<uint16_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<uint32_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<uint64_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<float>>, "");
+static_assert( is_abi_tag_v<simd_abi::native<double>>, "");
+
+static_assert( is_abi_tag_v<simd_abi::compatible<int8_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<int16_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<int32_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<int64_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<uint8_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<uint16_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<uint32_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<uint64_t>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<float>>, "");
+static_assert( is_abi_tag_v<simd_abi::compatible<double>>, "");
+
+static_assert( is_abi_tag_v<simd_abi::scalar>, "");
+static_assert(!std::is_same<simd_abi::scalar, simd_abi::fixed_size<1>>::value,
+              "");
+
+static_assert( is_abi_tag_v<simd_abi::fixed_size<1>>, "");
+static_assert( is_abi_tag_v<simd_abi::fixed_size<2>>, "");
+static_assert( is_abi_tag_v<simd_abi::fixed_size<3>>, "");
+static_assert( is_abi_tag_v<simd_abi::fixed_size<4>>, "");
+static_assert( is_abi_tag_v<simd_abi::fixed_size<5>>, "");
+static_assert( is_abi_tag_v<simd_abi::fixed_size<32>>, "");
+
+static_assert(!is_abi_tag_v<void>, "");
+static_assert(!is_abi_tag_v<int>, "");
+static_assert(!is_abi_tag_v<float>, "");
+static_assert(!is_abi_tag_v<UserType>, "");
+static_assert(!is_abi_tag_v<simd<int>>, "");
+static_assert(!is_abi_tag_v<simd<float>>, "");
+static_assert(!is_abi_tag_v<simd_mask<int>>, "");
+static_assert(!is_abi_tag_v<simd_mask<float>>, "");
+
+#endif
 
 int main() {}

Modified: libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,123 +7,127 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // <experimental/simd>
 //
 // [simd.traits]
-// template <class T> struct ex::is_simd;
-// template <class T> inline constexpr bool ex::is_simd_v =
-// ex::is_simd<T>::value;
+// template <class T> struct is_simd;
+// template <class T> inline constexpr bool is_simd_v = is_simd<T>::value;
 
 #include <cstdint>
 #include <experimental/simd>
 #include "test_macros.h"
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace std::experimental::parallelism_v2;
 
 struct UserType {};
 
-static_assert(ex::is_simd<ex::native_simd<int8_t>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<int16_t>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<int32_t>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<int64_t>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<uint8_t>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<uint16_t>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<uint32_t>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<uint64_t>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<float>>::value, "");
-static_assert(ex::is_simd<ex::native_simd<double>>::value, "");
-
-static_assert(ex::is_simd<ex::fixed_size_simd<int8_t, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int16_t, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int32_t, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int64_t, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint8_t, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint16_t, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint32_t, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint64_t, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<float, 1>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<double, 1>>::value, "");
-
-static_assert(ex::is_simd<ex::fixed_size_simd<int8_t, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int16_t, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int32_t, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int64_t, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint8_t, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint16_t, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint32_t, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint64_t, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<float, 3>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<double, 3>>::value, "");
-
-static_assert(ex::is_simd<ex::fixed_size_simd<int8_t, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int16_t, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int32_t, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<int64_t, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint8_t, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint16_t, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint32_t, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<uint64_t, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<float, 32>>::value, "");
-static_assert(ex::is_simd<ex::fixed_size_simd<double, 32>>::value, "");
-
-static_assert(!ex::is_simd<void>::value, "");
-static_assert(!ex::is_simd<int>::value, "");
-static_assert(!ex::is_simd<float>::value, "");
-static_assert(!ex::is_simd<ex::simd_mask<int>>::value, "");
-static_assert(!ex::is_simd<ex::simd_mask<float>>::value, "");
-static_assert(!ex::is_simd<UserType>::value, "");
-
-static_assert(ex::is_simd_v<ex::native_simd<int8_t>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<int16_t>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<int32_t>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<int64_t>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<uint8_t>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<uint16_t>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<uint32_t>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<uint64_t>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<float>>, "");
-static_assert(ex::is_simd_v<ex::native_simd<double>>, "");
-
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int8_t, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int16_t, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int32_t, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int64_t, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint8_t, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint16_t, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint32_t, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint64_t, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<float, 1>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<double, 1>>, "");
-
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int8_t, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int16_t, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int32_t, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int64_t, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint8_t, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint16_t, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint32_t, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint64_t, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<float, 3>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<double, 3>>, "");
-
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int8_t, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int16_t, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int32_t, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<int64_t, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint8_t, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint16_t, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint32_t, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<uint64_t, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<float, 32>>, "");
-static_assert(ex::is_simd_v<ex::fixed_size_simd<double, 32>>, "");
-
-static_assert(!ex::is_simd_v<void>, "");
-static_assert(!ex::is_simd_v<int>, "");
-static_assert(!ex::is_simd_v<float>, "");
-static_assert(!ex::is_simd_v<ex::simd_mask<int>>, "");
-static_assert(!ex::is_simd_v<ex::simd_mask<float>>, "");
-static_assert(!ex::is_simd_v<UserType>, "");
+static_assert( is_simd<native_simd<int8_t>>::value, "");
+static_assert( is_simd<native_simd<int16_t>>::value, "");
+static_assert( is_simd<native_simd<int32_t>>::value, "");
+static_assert( is_simd<native_simd<int64_t>>::value, "");
+static_assert( is_simd<native_simd<uint8_t>>::value, "");
+static_assert( is_simd<native_simd<uint16_t>>::value, "");
+static_assert( is_simd<native_simd<uint32_t>>::value, "");
+static_assert( is_simd<native_simd<uint64_t>>::value, "");
+static_assert( is_simd<native_simd<float>>::value, "");
+static_assert( is_simd<native_simd<double>>::value, "");
+
+static_assert( is_simd<fixed_size_simd<int8_t, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<int16_t, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<int32_t, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<int64_t, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint8_t, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint16_t, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint32_t, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint64_t, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<float, 1>>::value, "");
+static_assert( is_simd<fixed_size_simd<double, 1>>::value, "");
+
+static_assert( is_simd<fixed_size_simd<int8_t, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<int16_t, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<int32_t, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<int64_t, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint8_t, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint16_t, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint32_t, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint64_t, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<float, 3>>::value, "");
+static_assert( is_simd<fixed_size_simd<double, 3>>::value, "");
+
+static_assert( is_simd<fixed_size_simd<int8_t, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<int16_t, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<int32_t, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<int64_t, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint8_t, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint16_t, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint32_t, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<uint64_t, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<float, 32>>::value, "");
+static_assert( is_simd<fixed_size_simd<double, 32>>::value, "");
+
+static_assert(!is_simd<void>::value, "");
+static_assert(!is_simd<int>::value, "");
+static_assert(!is_simd<float>::value, "");
+static_assert(!is_simd<simd_mask<int>>::value, "");
+static_assert(!is_simd<simd_mask<float>>::value, "");
+static_assert(!is_simd<UserType>::value, "");
+
+#if TEST_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) &&        \
+    !defined(_LIBCPP_HAS_NO_INLINE_VARIABLES)
+
+static_assert( is_simd_v<native_simd<int8_t>>, "");
+static_assert( is_simd_v<native_simd<int16_t>>, "");
+static_assert( is_simd_v<native_simd<int32_t>>, "");
+static_assert( is_simd_v<native_simd<int64_t>>, "");
+static_assert( is_simd_v<native_simd<uint8_t>>, "");
+static_assert( is_simd_v<native_simd<uint16_t>>, "");
+static_assert( is_simd_v<native_simd<uint32_t>>, "");
+static_assert( is_simd_v<native_simd<uint64_t>>, "");
+static_assert( is_simd_v<native_simd<float>>, "");
+static_assert( is_simd_v<native_simd<double>>, "");
+
+static_assert( is_simd_v<fixed_size_simd<int8_t, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<int16_t, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<int32_t, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<int64_t, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint8_t, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint16_t, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint32_t, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint64_t, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<float, 1>>, "");
+static_assert( is_simd_v<fixed_size_simd<double, 1>>, "");
+
+static_assert( is_simd_v<fixed_size_simd<int8_t, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<int16_t, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<int32_t, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<int64_t, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint8_t, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint16_t, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint32_t, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint64_t, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<float, 3>>, "");
+static_assert( is_simd_v<fixed_size_simd<double, 3>>, "");
+
+static_assert( is_simd_v<fixed_size_simd<int8_t, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<int16_t, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<int32_t, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<int64_t, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint8_t, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint16_t, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint32_t, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<uint64_t, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<float, 32>>, "");
+static_assert( is_simd_v<fixed_size_simd<double, 32>>, "");
+
+static_assert(!is_simd_v<void>, "");
+static_assert(!is_simd_v<int>, "");
+static_assert(!is_simd_v<float>, "");
+static_assert(!is_simd_v<simd_mask<int>>, "");
+static_assert(!is_simd_v<simd_mask<float>>, "");
+static_assert(!is_simd_v<UserType>, "");
+
+#endif
 
 int main() {}

Modified: libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_flag_type.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_flag_type.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_flag_type.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_flag_type.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,45 +7,49 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // <experimental/simd>
 //
 // [simd.traits]
 // template <class T> struct is_simd_flag_type;
-// template <class T> inline constexpr bool ex::is_simd_flag_type_v =
-// ex::is_simd_flag_type<T>::value;
+// template <class T> inline constexpr bool is_simd_flag_type_v = is_simd_flag_type<T>::value;
 
 #include <cstdint>
 #include <experimental/simd>
 #include "test_macros.h"
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace std::experimental::parallelism_v2;
 
 struct UserType {};
 
-static_assert(ex::is_simd_flag_type<ex::element_aligned_tag>::value, "");
-static_assert(ex::is_simd_flag_type<ex::vector_aligned_tag>::value, "");
-static_assert(ex::is_simd_flag_type<ex::overaligned_tag<16>>::value, "");
-static_assert(ex::is_simd_flag_type<ex::overaligned_tag<32>>::value, "");
-
-static_assert(!ex::is_simd_flag_type<void>::value, "");
-static_assert(!ex::is_simd_flag_type<int>::value, "");
-static_assert(!ex::is_simd_flag_type<float>::value, "");
-static_assert(!ex::is_simd_flag_type<UserType>::value, "");
-static_assert(!ex::is_simd_flag_type<ex::simd<int8_t>>::value, "");
-static_assert(!ex::is_simd_flag_type<ex::simd_mask<int8_t>>::value, "");
-
-static_assert(ex::is_simd_flag_type_v<ex::element_aligned_tag>, "");
-static_assert(ex::is_simd_flag_type_v<ex::vector_aligned_tag>, "");
-static_assert(ex::is_simd_flag_type_v<ex::overaligned_tag<16>>, "");
-static_assert(ex::is_simd_flag_type_v<ex::overaligned_tag<32>>, "");
-
-static_assert(!ex::is_simd_flag_type_v<void>, "");
-static_assert(!ex::is_simd_flag_type_v<int>, "");
-static_assert(!ex::is_simd_flag_type_v<float>, "");
-static_assert(!ex::is_simd_flag_type_v<UserType>, "");
-static_assert(!ex::is_simd_flag_type_v<ex::simd<int8_t>>, "");
-static_assert(!ex::is_simd_flag_type_v<ex::simd_mask<int8_t>>, "");
+static_assert( is_simd_flag_type<element_aligned_tag>::value, "");
+static_assert( is_simd_flag_type<vector_aligned_tag>::value, "");
+static_assert( is_simd_flag_type<overaligned_tag<16>>::value, "");
+static_assert( is_simd_flag_type<overaligned_tag<32>>::value, "");
+
+static_assert(!is_simd_flag_type<void>::value, "");
+static_assert(!is_simd_flag_type<int>::value, "");
+static_assert(!is_simd_flag_type<float>::value, "");
+static_assert(!is_simd_flag_type<UserType>::value, "");
+static_assert(!is_simd_flag_type<simd<int8_t>>::value, "");
+static_assert(!is_simd_flag_type<simd_mask<int8_t>>::value, "");
+
+#if TEST_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) &&        \
+    !defined(_LIBCPP_HAS_NO_INLINE_VARIABLES)
+
+static_assert( is_simd_flag_type_v<element_aligned_tag>, "");
+static_assert( is_simd_flag_type_v<vector_aligned_tag>, "");
+static_assert( is_simd_flag_type_v<overaligned_tag<16>>, "");
+static_assert( is_simd_flag_type_v<overaligned_tag<32>>, "");
+
+static_assert(!is_simd_flag_type_v<void>, "");
+static_assert(!is_simd_flag_type_v<int>, "");
+static_assert(!is_simd_flag_type_v<float>, "");
+static_assert(!is_simd_flag_type_v<UserType>, "");
+static_assert(!is_simd_flag_type_v<simd<int8_t>>, "");
+static_assert(!is_simd_flag_type_v<simd_mask<int8_t>>, "");
+
+#endif
 
 int main() {}

Modified: libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_mask.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_mask.pass.cpp?rev=338316&r1=338315&r2=338316&view=diff
==============================================================================
--- libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_mask.pass.cpp (original)
+++ libcxx/trunk/test/std/experimental/simd/simd.traits/is_simd_mask.pass.cpp Mon Jul 30 15:21:22 2018
@@ -7,146 +7,127 @@
 //
 //===----------------------------------------------------------------------===//
 
-// UNSUPPORTED: c++98, c++03, c++11, c++14
+// UNSUPPORTED: c++98, c++03
 
 // <experimental/simd>
 //
 // [simd.traits]
-// template <class T> struct ex::is_simd_mask;
-// template <class T> inline constexpr bool ex::is_simd_mask_v =
-// ex::is_simd_mask<T>::value;
+// template <class T> struct is_simd_mask;
+// template <class T> inline constexpr bool is_simd_mask_v = is_simd_mask<T>::value;
 
 #include <cstdint>
 #include <experimental/simd>
 #include "test_macros.h"
 
-namespace ex = std::experimental::parallelism_v2;
+using namespace std::experimental::parallelism_v2;
 
 struct UserType {};
 
-static_assert(ex::is_simd_mask<ex::native_simd_mask<int8_t>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<int16_t>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<int32_t>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<int64_t>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<uint8_t>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<uint16_t>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<uint32_t>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<uint64_t>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<float>>::value, "");
-static_assert(ex::is_simd_mask<ex::native_simd_mask<double>>::value, "");
-
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int8_t, 1>>::value, "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int16_t, 1>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int32_t, 1>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int64_t, 1>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint8_t, 1>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint16_t, 1>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint32_t, 1>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint64_t, 1>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<float, 1>>::value, "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<double, 1>>::value, "");
-
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int8_t, 3>>::value, "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int16_t, 3>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int32_t, 3>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int64_t, 3>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint8_t, 3>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint16_t, 3>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint32_t, 3>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint64_t, 3>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<float, 3>>::value, "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<double, 3>>::value, "");
-
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int8_t, 32>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int16_t, 32>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int32_t, 32>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<int64_t, 32>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint8_t, 32>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint16_t, 32>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint32_t, 32>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<uint64_t, 32>>::value,
-              "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<float, 32>>::value, "");
-static_assert(ex::is_simd_mask<ex::fixed_size_simd_mask<double, 32>>::value,
-              "");
-
-static_assert(!ex::is_simd_mask<void>::value, "");
-static_assert(!ex::is_simd_mask<int>::value, "");
-static_assert(!ex::is_simd_mask<float>::value, "");
-static_assert(!ex::is_simd_mask<ex::simd<int>>::value, "");
-static_assert(!ex::is_simd_mask<ex::simd<float>>::value, "");
-static_assert(!ex::is_simd_mask<UserType>::value, "");
-
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<int8_t>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<int16_t>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<int32_t>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<int64_t>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<uint8_t>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<uint16_t>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<uint32_t>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<uint64_t>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<float>>, "");
-static_assert(ex::is_simd_mask_v<ex::native_simd_mask<double>>, "");
-
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int8_t, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int16_t, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int32_t, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int64_t, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint8_t, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint16_t, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint32_t, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint64_t, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<float, 1>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<double, 1>>, "");
-
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int8_t, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int16_t, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int32_t, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int64_t, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint8_t, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint16_t, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint32_t, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint64_t, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<float, 3>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<double, 3>>, "");
-
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int8_t, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int16_t, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int32_t, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<int64_t, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint8_t, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint16_t, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint32_t, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<uint64_t, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<float, 32>>, "");
-static_assert(ex::is_simd_mask_v<ex::fixed_size_simd_mask<double, 32>>, "");
-
-static_assert(!ex::is_simd_mask_v<void>, "");
-static_assert(!ex::is_simd_mask_v<int>, "");
-static_assert(!ex::is_simd_mask_v<float>, "");
-static_assert(!ex::is_simd_mask_v<ex::simd<int>>, "");
-static_assert(!ex::is_simd_mask_v<ex::simd<float>>, "");
-static_assert(!ex::is_simd_mask_v<UserType>, "");
+static_assert( is_simd_mask<native_simd_mask<int8_t>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<int16_t>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<int32_t>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<int64_t>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<uint8_t>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<uint16_t>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<uint32_t>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<uint64_t>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<float>>::value, "");
+static_assert( is_simd_mask<native_simd_mask<double>>::value, "");
+
+static_assert( is_simd_mask<fixed_size_simd_mask<int8_t, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int16_t, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int32_t, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int64_t, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint8_t, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint16_t, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint32_t, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint64_t, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<float, 1>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<double, 1>>::value, "");
+
+static_assert( is_simd_mask<fixed_size_simd_mask<int8_t, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int16_t, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int32_t, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int64_t, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint8_t, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint16_t, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint32_t, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint64_t, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<float, 3>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<double, 3>>::value, "");
+
+static_assert( is_simd_mask<fixed_size_simd_mask<int8_t, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int16_t, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int32_t, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<int64_t, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint8_t, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint16_t, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint32_t, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<uint64_t, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<float, 32>>::value, "");
+static_assert( is_simd_mask<fixed_size_simd_mask<double, 32>>::value, "");
+
+static_assert(!is_simd_mask<void>::value, "");
+static_assert(!is_simd_mask<int>::value, "");
+static_assert(!is_simd_mask<float>::value, "");
+static_assert(!is_simd_mask<simd<int>>::value, "");
+static_assert(!is_simd_mask<simd<float>>::value, "");
+static_assert(!is_simd_mask<UserType>::value, "");
+
+#if TEST_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES) &&        \
+    !defined(_LIBCPP_HAS_NO_INLINE_VARIABLES)
+
+static_assert( is_simd_mask_v<native_simd_mask<int8_t>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<int16_t>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<int32_t>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<int64_t>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<uint8_t>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<uint16_t>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<uint32_t>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<uint64_t>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<float>>, "");
+static_assert( is_simd_mask_v<native_simd_mask<double>>, "");
+
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int8_t, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int16_t, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int32_t, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int64_t, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint8_t, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint16_t, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint32_t, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint64_t, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<float, 1>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<double, 1>>, "");
+
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int8_t, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int16_t, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int32_t, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int64_t, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint8_t, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint16_t, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint32_t, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint64_t, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<float, 3>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<double, 3>>, "");
+
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int8_t, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int16_t, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int32_t, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<int64_t, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint8_t, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint16_t, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint32_t, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<uint64_t, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<float, 32>>, "");
+static_assert( is_simd_mask_v<fixed_size_simd_mask<double, 32>>, "");
+
+static_assert(!is_simd_mask_v<void>, "");
+static_assert(!is_simd_mask_v<int>, "");
+static_assert(!is_simd_mask_v<float>, "");
+static_assert(!is_simd_mask_v<simd<int>>, "");
+static_assert(!is_simd_mask_v<simd<float>>, "");
+static_assert(!is_simd_mask_v<UserType>, "");
+
+#endif
 
 int main() {}




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