[SYCL] Extend USM testing (#3189)

Splits sycl/test/extensions/usm.cpp into 2 new test files:
* sycl/test/extensions/usm/usm_alloc_utility.cpp
* sycl/test/extensions/usm/usm_allocator.cpp

The on-device tests have been migrated to the Intel LLVM test suite:
intel/llvm-test-suite#144

Signed-off-by: Steffen Larsen <[email protected]>

Author: steffenlarsen

sycl/test/extensions/usm.cpp

@@ -0,0 +1,82 @@
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t1.out
+// RUN: %RUN_ON_HOST %t1.out
+
+//==------ usm_alloc_utility.cpp - USM malloc and aligned_alloc test -------==//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include <CL/sycl.hpp>
+
+#include <cassert>
+
+using namespace cl::sycl;
+
+constexpr int N = 8;
+
+int main() {
+  queue q;
+  auto dev = q.get_device();
+  auto ctxt = q.get_context();
+  int *array;
+
+  if (dev.get_info<info::device::usm_host_allocations>()) {
+    array = (int *)malloc_host(N * sizeof(int), q);
+    assert((get_pointer_type(array, ctxt) == usm::alloc::host) &&
+           "Allocation pointer should be host type");
+    assert((get_pointer_device(array, ctxt) == dev) &&
+           "Allocation pointer should be host type");
+    free(array, ctxt);
+
+    array =
+        (int *)aligned_alloc_host(alignof(long long), N * sizeof(int), ctxt);
+    assert((get_pointer_type(array, ctxt) == usm::alloc::host) &&
+           "Allocation pointer should be host type");
+    assert((get_pointer_device(array, ctxt) == dev) &&
+           "Allocation pointer should be host type");
+    free(array, ctxt);
+  }
+
+  if (dev.get_info<info::device::usm_shared_allocations>()) {
+    array = (int *)malloc_shared(N * sizeof(int), q);
+    // host device treats all allocations as host allocations
+    assert((get_pointer_type(array, ctxt) == usm::alloc::host) &&
+           "Allocation pointer should be host type");
+    assert((get_pointer_device(array, ctxt) == dev) &&
+           "Allocation pointer should be host type");
+    free(array, ctxt);
+
+    array = (int *)aligned_alloc_shared(alignof(long long), N * sizeof(int),
+                                        dev, ctxt);
+    // host device treats all allocations as host allocations
+    assert((get_pointer_type(array, ctxt) == usm::alloc::host) &&
+           "Allocation pointer should be host type");
+    assert((get_pointer_device(array, ctxt) == dev) &&
+           "Allocation pointer should be host type");
+    free(array, ctxt);
+  }
+
+  if (dev.get_info<info::device::usm_device_allocations>()) {
+    array = (int *)malloc_device(N * sizeof(int), q);
+    // host device treats all allocations as host allocations
+    assert((get_pointer_type(array, ctxt) == usm::alloc::host) &&
+           "Allocation pointer should be host type");
+    assert((get_pointer_device(array, ctxt) == dev) &&
+           "Allocation pointer should be host type");
+    free(array, ctxt);
+
+    array = (int *)aligned_alloc_device(alignof(long long), N * sizeof(int),
+                                        dev, ctxt);
+    // host device treats all allocations as host allocations
+    assert((get_pointer_type(array, ctxt) == usm::alloc::host) &&
+           "Allocation pointer should be host type");
+    assert((get_pointer_device(array, ctxt) == dev) &&
+           "Allocation pointer should be host type");
+    free(array, ctxt);
+  }
+
+  return 0;
+}

sycl/test/extensions/usm/usm_alloc_utility.cpp

@@ -0,0 +1,43 @@
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t1.out
+// RUN: %RUN_ON_HOST %t1.out
+
+//==--------- usm_allocator.cpp - USM allocator construction test ----------==//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include <CL/sycl.hpp>
+
+#include <cassert>
+
+using namespace cl::sycl;
+
+constexpr int N = 8;
+
+int main() {
+  queue q;
+  auto dev = q.get_device();
+  auto ctxt = q.get_context();
+
+  {
+    // Test usm_allocator
+    if (dev.get_info<info::device::usm_shared_allocations>() &&
+        dev.get_info<info::device::usm_host_allocations>()) {
+      usm_allocator<int, usm::alloc::shared> alloc11(ctxt, dev);
+      usm_allocator<int, usm::alloc::shared> alloc12(ctxt, dev);
+      usm_allocator<int, usm::alloc::host> alloc21(q);
+      usm_allocator<int, usm::alloc::host> alloc22(alloc21);
+
+      // usm::alloc::device is not supported by usm_allocator
+
+      assert((alloc11 != alloc22) && "Allocators should NOT be equal.");
+      assert((alloc11 == alloc12) && "Allocators should be equal.");
+      assert((alloc21 == alloc22) && "Allocators should be equal.");
+    }
+  }
+
+  return 0;
+}