Merge pull request #9996 from dkurt:dnn_multiple_inputs

diff --cc modules/dnn/src/caffe/caffe_importer.cpp
Simple merge

diff --cc modules/dnn/src/dnn.cpp
index 4faffe1,9cb9802..0e362cf
--- 1/modules/dnn/src/dnn.cpp
--- 2/modules/dnn/src/dnn.cpp
+++ b/modules/dnn/src/dnn.cpp
@@@ -1435,10 -1252,10 +1453,12 @@@ struct Net::Imp
          getLayersShapes(inputShapes, layersShapes);
  
          blobManager.reset();
 +        blobManager.setPreferableTarget(preferableTarget);
 +        blobManager.setPreferableBackend(preferableBackend);
          backendWrappers.clear();
-         blobManager.addReference(LayerPin(0, 0));
+         // Fake references to input blobs.
+         for (int i = 0; i < layers[0].outputBlobs.size(); ++i)
+             blobManager.addReference(LayerPin(0, i));
          for (it = layers.begin(); it != layers.end(); ++it)
          {
              const LayerData& ld = it->second;

diff --cc modules/dnn/test/test_caffe_importer.cpp
Simple merge