!970 [MS][Log]Warning can be degrade or just print in debug mode.

Merge pull request !970 from huanghui/update-print-log-level

mindspore/ccsrc/pre_activate/ascend/ir_fusion/derelu_fusion.cc

@@ -54,7 +54,7 @@ CNodePtr CreateReluV2(const FuncGraphPtr &graph, const CNodePtr &relu) {
   TypeId mask_dtype = kNumberTypeUInt8;
   std::vector<size_t> mask_shape = AnfAlgo::GetOutputInferShape(relu, 0);
   if (mask_shape.size() != 4) {
-    MS_LOG(WARNING) << "relu's infer shape size not equal 4";
+    MS_LOG(DEBUG) << "relu's infer shape size not equal 4";
     return nullptr;
   }
   auto input_dtype = AnfAlgo::GetPrevNodeOutputInferDataType(relu, 0);