Revert "IVGCVSW-6650 Refactor ExecuteNetwork"

This reverts commit 615e06f54a4c4139e81e289991ba4084aa2f69d3.

Reason for revert: <Breaking nightlies and tests>

Change-Id: I06a4a0119463188a653bb749033f78514645bd0c

1 files changed, 35 insertions, 2 deletions

diff --git a/tests/InferenceModel.hpp b/tests/InferenceModel.hpp
index 268f60301c..93716e1a6f 100644
--- a/tests/InferenceModel.hpp
+++ b/tests/InferenceModel.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -15,7 +15,6 @@
 #include <armnn/utility/NumericCast.hpp>
 
 #include <armnnUtils/TContainer.hpp>
-#include "NetworkExecutionUtils/NetworkExecutionUtils.hpp"
 
 #include <common/include/ProfilingGuid.hpp>
 
@@ -47,6 +46,40 @@
 #include <vector>
 #include <type_traits>
 
+namespace
+{
+
+inline bool CheckRequestedBackendsAreValid(const std::vector<armnn::BackendId>& backendIds,
+                                           armnn::Optional<std::string&> invalidBackendIds = armnn::EmptyOptional())
+{
+    if (backendIds.empty())
+    {
+        return false;
+    }
+
+    armnn::BackendIdSet validBackendIds = armnn::BackendRegistryInstance().GetBackendIds();
+
+    bool allValid = true;
+    for (const auto& backendId : backendIds)
+    {
+        if (std::find(validBackendIds.begin(), validBackendIds.end(), backendId) == validBackendIds.end())
+        {
+            allValid = false;
+            if (invalidBackendIds)
+            {
+                if (!invalidBackendIds.value().empty())
+                {
+                    invalidBackendIds.value() += ", ";
+                }
+                invalidBackendIds.value() += backendId;
+            }
+        }
+    }
+    return allValid;
+}
+
+} // anonymous namespace
+
 namespace InferenceModelInternal
 {
 using BindingPointInfo = armnn::BindingPointInfo;