[llvm] [Offload] Introduce offload-tblgen and initial new API implementation (PR #108413)

[Jan Patrick Lehr via llvm-commits]

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@@ -0,0 +1,101 @@
+//===-- Device.td - Device definitions for Offload ---------*- tablegen -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains Offload API definitions related to the Device handle
+//
+//===----------------------------------------------------------------------===//
+
+def : Enum {
+  let name = "offload_device_type_t";
+  let desc = "Supported device types";
+  let etors =[
+    Etor<"DEFAULT", "The default device type as preferred by the runtime">,
+    Etor<"ALL", "Devices of all types">,
+    Etor<"GPU", "GPU device type">,
+    Etor<"CPU", "CPU device type">,
+  ];
+}
+
+def : Enum {
+  let name = "offload_device_info_t";
+  let desc = "Supported device info";
+  let is_typed = 1;
+  let etors =[
+    TaggedEtor<"TYPE", "offload_device_type_t", "type of the device">,
+    TaggedEtor<"PLATFORM", "offload_platform_handle_t", "the platform associated with the device">,
+    TaggedEtor<"NAME", "char[]", "Device name">,
+    TaggedEtor<"VENDOR", "char[]", "Device vendor">,
+    TaggedEtor<"DRIVER_VERSION", "char[]", "Driver version">
+  ];
+}
+
+def : Function {
+  let name = "offloadDeviceGet";
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jplehr wrote:

it's probably too early to bikeshed, but I think, function names should read more like `getOffloadDevice`.

https://github.com/llvm/llvm-project/pull/108413