[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";
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callumfare wrote:

Off the top of my head I can't think of an reason why we couldn't make the queue handles optional.

In UR we have optional handles, and don't hide the fact that they're pointers so they can be set to null.

But if we want to avoid that then I can make the change to `olMemcpy` and `olMemcpyAsync`

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