[llvm] [Offload] Implement the remaining initial Offload API (PR #122106)

[Joseph Huber via llvm-commits]

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@@ -16,8 +16,8 @@ def : Function {
     let details = [];
     let params = [
         Param<"ol_queue_handle_t", "Queue", "handle of the queue", PARAM_IN>,
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jhuber6 wrote:

Does the queue know which device it corresponds to? I figured we'd just have a single `olMemcpy` that just copies between two devices. Let the runtime figure out what to do with it.

https://github.com/llvm/llvm-project/pull/122106