[llvm] [SYCL] Add platform enumeration and info query using liboffload (PR #166927)

[Kseniya Tikhomirova via llvm-commits]

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@@ -0,0 +1,90 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// This file contains helper functions for tranformation between implementation
+/// and SYCL's interface objects.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBSYCL___IMPL_DETAIL_OBJ_BASE_HPP
+#define _LIBSYCL___IMPL_DETAIL_OBJ_BASE_HPP
+
+#include <sycl/__impl/detail/config.hpp>
+
+#include <cassert>
+#include <optional>
+#include <type_traits>
+#include <utility>
+
+_LIBSYCL_BEGIN_NAMESPACE_SYCL
+
+namespace detail {
+
+template <typename Impl, typename SyclObject> class ObjBase;
+template <typename Impl, typename SyclObject>
+class ObjBase<Impl *, SyclObject> {
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KseniyaTikhomirova wrote:

I will change this to service class like here https://github.com/intel/llvm/pull/20798
We agreed that this solution is simpler and ObjBase doesn't bring more benefits.

https://github.com/llvm/llvm-project/pull/166927