COMPMID-797: Switch to new graph.

- Cleaned up build system

Change-Id: If2faa27ee5b31fa8b972836960ab3ef671059c8d
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/126435
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>

1 files changed, 104 insertions, 0 deletions

diff --git a/src/graph/Utils.cpp b/src/graph/Utils.cpp
new file mode 100644
index 0000000000..8537bbfb2a
--- /dev/null
+++ b/src/graph/Utils.cpp
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/graph/Utils.h"
+
+#include "arm_compute/graph/GraphContext.h"
+#include "arm_compute/graph/backends/BackendRegistry.h"
+#include "arm_compute/graph/mutators/GraphMutators.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+bool is_target_supported(Target target)
+{
+    return backends::BackendRegistry::get().contains(target) && backends::BackendRegistry::get().find_backend(target)->is_backend_supported();
+}
+
+Target get_default_target()
+{
+    if(is_target_supported(Target::NEON))
+    {
+        return Target::NEON;
+    }
+    if(is_target_supported(Target::CL))
+    {
+        return Target::CL;
+    }
+    if(is_target_supported(Target::GC))
+    {
+        return Target::GC;
+    }
+    ARM_COMPUTE_ERROR("No backend exists!");
+}
+
+void force_target_to_graph(Graph &g, Target target)
+{
+    auto &nodes = g.nodes();
+    for(auto &node : nodes)
+    {
+        if(node)
+        {
+            node->set_assigned_target(target);
+        }
+    }
+
+    auto &tensors = g.tensors();
+    for(auto &tensor : tensors)
+    {
+        if(tensor)
+        {
+            tensor->desc().target = target;
+        }
+    }
+}
+
+PassManager create_default_pass_manager(Target target)
+{
+    PassManager pm;
+
+    if(target != Target::GC)
+    {
+        pm.append(support::cpp14::make_unique<InPlaceOperationMutator>());
+        pm.append(support::cpp14::make_unique<NodeFusionMutator>());
+        pm.append(support::cpp14::make_unique<SplitLayerSubTensorMutator>());
+        pm.append(support::cpp14::make_unique<DepthConcatSubTensorMutator>());
+    }
+
+    return pm;
+}
+
+/** Default setups a graph Context
+ *
+ * @param[in] ctx Context to default initialize
+ */
+void setup_default_graph_context(GraphContext &ctx)
+{
+    for(const auto &backend : backends::BackendRegistry::get().backends())
+    {
+        backend.second->setup_backend_context(ctx);
+    }
+}
+} // namespace graph
+} // namespace arm_compute
\ No newline at end of file