!10041 Fix a bug for the padding of HCCL operators when there is only one input for allgather fusion

From: @alouhahahahaha
Reviewed-by: @zhoufeng54,@xu-yfei
Signed-off-by: @xu-yfei

mindspore/ccsrc/backend/kernel_compiler/hccl/hcom_util.cc

@@ -138,7 +138,8 @@ bool HcomUtil::GetHcomCount(const AnfNodePtr &anf_node, const vector<HcclDataTyp
     } else {
       if (AnfAlgo::GetCNodeName(anf_node) == kAllGatherOpName) {
         auto cnode = anf_node->cast<CNodePtr>();
-        if (AnfAlgo::HasNodeAttr(kAttrFusion, cnode) && AnfAlgo::GetNodeAttr<int64_t>(anf_node, kAttrFusion)) {
+        if (AnfAlgo::HasNodeAttr(kAttrFusion, cnode) && AnfAlgo::GetNodeAttr<int64_t>(anf_node, kAttrFusion) &&
+            AnfAlgo::GetInputTensorNum(anf_node) > 1) {
           block_size = (input_size + align_size - 1 + filled_size) / align_size * align_size;
         } else {
           block_size = input_size;