diff options
Diffstat (limited to 'src/armnn/Graph.cpp')
| -rw-r--r-- | src/armnn/Graph.cpp | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/armnn/Graph.cpp b/src/armnn/Graph.cpp index b5769f75f3..e5d123830c 100644 --- a/src/armnn/Graph.cpp +++ b/src/armnn/Graph.cpp @@ -497,13 +497,19 @@ void Graph::ReplaceSubgraphConnections(const SubgraphView& subgraph, const Subgr IInputSlot* subgraphInputSlot = subgraphInputSlots.at(inputSlotIdx); ARMNN_ASSERT(subgraphInputSlot); - IOutputSlot* connectedOutputSlot = subgraphInputSlot->GetConnection(); - ARMNN_ASSERT(connectedOutputSlot); - connectedOutputSlot->Disconnect(*subgraphInputSlot); + // Only disconnect if the InputSlot has a connection, this might not be the case when + // dealing with working copies of SubgraphViews + // Note: we don't need this check for OutputSlot as it iterates over a vector of valid connections + if (subgraphInputSlot->GetConnection()) + { + IOutputSlot* connectedOutputSlot = subgraphInputSlot->GetConnection(); + ARMNN_ASSERT(connectedOutputSlot); + connectedOutputSlot->Disconnect(*subgraphInputSlot); - IInputSlot* substituteInputSlot = substituteSubgraphInputSlots.at(inputSlotIdx); - ARMNN_ASSERT(substituteInputSlot); - connectedOutputSlot->Connect(*substituteInputSlot); + IInputSlot* substituteInputSlot = substituteSubgraphInputSlots.at(inputSlotIdx); + ARMNN_ASSERT(substituteInputSlot); + connectedOutputSlot->Connect(*substituteInputSlot); + } } // Step 2: process output slots |