CUTLASS 3.2 (#1024)

* CUTLASS 3.2

test/unit/cute/core/pointer.cpp

@@ -0,0 +1,107 @@
+/***************************************************************************************************
+ * Copyright (c) 2017 - 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ **************************************************************************************************/
+
+#include "cutlass_unit_test.h"
+
+#include <cutlass/trace.h>
+#include <cute/pointer.hpp>
+
+TEST(CuTe_core, Pointer)
+{
+  using namespace cute;
+
+  CUTLASS_TRACE_HOST("-------------------------------");
+  CUTLASS_TRACE_HOST("CuTe pointer wrappers");
+  CUTLASS_TRACE_HOST("-------------------------------");
+
+  // Test T* overloads (T can be nonconst or const)
+  {
+    using T = float;
+    using expected_type = cute::gmem_ptr<T>;
+    T* p = nullptr;
+
+    // explicit template argument
+    auto gmem_p0 = cute::make_gmem_ptr<T>(p);
+    static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
+
+    // deduced template argument
+    auto gmem_p1 = cute::make_gmem_ptr(p);
+    static_assert(cute::is_same_v<decltype(gmem_p1), expected_type>);
+  }
+  {
+    using T = float const;
+    using expected_type = cute::gmem_ptr<T>;
+    T* p = nullptr;
+
+    // explicit template argument
+    auto gmem_p0 = cute::make_gmem_ptr<T>(p);
+    static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
+
+    // deduced template argument
+    auto gmem_p1 = cute::make_gmem_ptr(p);
+    static_assert(cute::is_same_v<decltype(gmem_p1), expected_type>);
+  }
+
+  // Test void* and void const* overloads
+  // (these require an explicit template argument)
+  {
+    using T = float;
+    using expected_type = cute::gmem_ptr<T>;
+    void* p = nullptr;
+
+    auto gmem_p0 = cute::make_gmem_ptr<T>(p);
+    static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
+  }
+  {
+    using T = float const;
+    using expected_type = cute::gmem_ptr<T>;
+    void const* p = nullptr;
+
+    auto gmem_p0 = cute::make_gmem_ptr<T>(p);
+    static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
+  }
+
+  // Test nullptr_t overload.
+  {
+    using T = float;
+    using expected_type = cute::gmem_ptr<T>;
+
+    auto gmem_p0 = cute::make_gmem_ptr<T>(nullptr);
+    static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
+  }
+  {
+    using T = float const;
+    using expected_type = cute::gmem_ptr<T>;
+
+    auto gmem_p0 = cute::make_gmem_ptr<T>(nullptr);
+    static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
+  }
+}