!10367 handle no input hccl op and single input/output hccl op connect

From: @laiyongqiang
Reviewed-by: @kisnwang,@chujinjin
Signed-off-by: @chujinjin

mindspore/ccsrc/backend/optimizer/somas/somas.cc

@@ -470,6 +470,7 @@ void Somas::GenContiguousList(const session::KernelGraph *graph) {
     if (node->GetType() != kCommunicationNode) {
       continue;
     }
+    if ((!node->input_tensors_.empty()) && (!node->input_tensors_[0]->contiguous_)) {
       std::vector<size_t> inputs;
       auto input_before_gap = CreateGapTensor(gap_tensor_id);
       input_before_gap->contiguous_ = true;
@@ -487,7 +488,9 @@ void Somas::GenContiguousList(const session::KernelGraph *graph) {
       input_after_gap->contiguous_ = true;
       inputs.push_back(input_after_gap->GetId());
       contiguous_tensors_list_.push_back(inputs);
+    }
 
+    if ((!node->output_tensors_.empty()) && (!node->output_tensors_[0]->contiguous_)) {
       std::vector<size_t> outputs;
       auto output_before_gap = CreateGapTensor(gap_tensor_id);
       gap_tensor_id++;
@@ -506,6 +509,7 @@ void Somas::GenContiguousList(const session::KernelGraph *graph) {
       outputs.push_back(output_after_gap->GetId());
       contiguous_tensors_list_.push_back(outputs);
     }
+  }
 }
 
 void Somas::PreprocessingConflicts() {