[SYCL] Enqueue leaves after host accessor destruction

Need to enqueue all leaves of the graph to start
execution after unblocking.

Signed-off-by: Ivan Karachun <[email protected]>

Author: Ivan Karachun

sycl/source/detail/scheduler/scheduler.cpp

@@ -145,6 +145,19 @@ EventImplPtr Scheduler::addHostAccessor(Requirement *Req) {
 
 void Scheduler::releaseHostAccessor(Requirement *Req) {
   Req->MBlockedCmd->MCanEnqueue = true;
+  MemObjRecord* Record = Req->MSYCLMemObj->MRecord.get();
+  for (Command *Cmd : Record->MReadLeafs) {
+    EnqueueResultT Res;
+    bool Enqueued = GraphProcessor::enqueueCommand(Cmd, Res);
+    if (!Enqueued && EnqueueResultT::FAILED == Res.MResult)
+      throw runtime_error("Enqueue process failed.");
+  }
+  for (Command *Cmd : Record->MWriteLeafs) {
+    EnqueueResultT Res;
+    bool Enqueued = GraphProcessor::enqueueCommand(Cmd, Res);
+    if (!Enqueued && EnqueueResultT::FAILED == Res.MResult)
+      throw runtime_error("Enqueue process failed.");
+  }
 }
 
 Scheduler::Scheduler() {