[llvm] WIP: [Offload] Add testing for Offload program and kernel related entry points (PR #127803)

[Callum Fare via llvm-commits]

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@@ -0,0 +1,104 @@
+//===-- Enqueue.td - Enqueue 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 enqueable operations
+//
+//===----------------------------------------------------------------------===//
+
+def : Function {
+    let name = "olEnqueueMemcpy";
+    let desc = "Enqueue a memcpy operation.";
+    let details = [
+        "For host pointers, use the device returned by olGetHostDevice",
+        "At least one device must be a non-host device"
+    ];
+    let params = [
+        Param<"ol_queue_handle_t", "Queue", "handle of the queue", PARAM_IN>,
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callumfare wrote:

The queue is the first param in every function except `olCreateQueue` where it's the last, because it's an output parameter. Generally I'd prefer to keep all output pointers as the final argument in every function, but that's just personal preference so could be changed.

https://github.com/llvm/llvm-project/pull/127803