Remove check for subgraph with cycles

Signed-off-by: Serge Panev <[email protected]>
apache · Jun 13, 2020 · 3eaa414 · 3eaa414
1 parent 1bf881f
commit 3eaa414
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/src/operator/subgraph/build_subgraph.cc b/src/operator/subgraph/build_subgraph.cc
@@ -276,10 +276,6 @@ bool LabelSubgraph(const nnvm::Graph& g, SubgraphSelectorV2Ptr subgraph_selector
 
   if (excluded_node_id != -1) {
     CHECK_LT(excluded_node_id, static_cast<int>(simple_nodes.size()));
-    CHECK_NE(excluded_node_id, static_cast<int>(snid))
-      << "A cycle is found in the computational graph between nodes "
-      << simple_nodes[excluded_node_id]->node->attrs.name << " and "
-      << simple_nodes[snid]->node->attrs.name;
     excluded_nodes->insert(simple_nodes[excluded_node_id].get());
     ResetNodeLabels(g, simple_nodes, subgraph_nodes);
     return false;