fix quantize_squash_pass segfault when no tensor linked to Bias (#17292)

* fix quantize_squash_pass segfault when there is no tensor linked do Bias input

test=develop

* add googlenet test

test=develop

* fix concat CreateKey not using input format

test=develop

paddle/fluid/framework/ir/mkldnn/cpu_quantize_squash_pass.cc

@@ -81,6 +81,9 @@ void CPUQuantizeSquashPass::Squash(
       auto quant_out_var_name = quant_out->Name();
       auto next_op_inputs = next_op_desc->InputNames();
       for (const auto& name : next_op_inputs) {
+        if (next_op_desc->Inputs().count(name) == 0 ||
+            next_op_desc->Input(name).size() == 0)
+          continue;
         auto var_name = next_op_desc->Input(name)[0];
         if (var_name.compare(quant_out_var_name) == 0) {
           next_op_desc->SetInput(

paddle/fluid/inference/tests/api/CMakeLists.txt

@@ -194,6 +194,13 @@ if(WITH_MKLDNN)
     inference_download_and_uncompress(${INT8_VGG19_MODEL_DIR} "${INFERENCE_URL}/int8" "VGG19_int8_model.tar.gz" )
   endif()
   inference_analysis_api_int8_test(test_analyzer_int8_vgg19 ${INT8_VGG19_MODEL_DIR} ${INT8_DATA_DIR} analyzer_int8_image_classification_tester.cc)
+
+  #googlenet int8
+  set(INT8_GOOGLENET_MODEL_DIR "${INT8_DATA_DIR}/googlenet")
+  if (NOT EXISTS ${INT8_GOOGLENET_MODEL_DIR})
+    inference_download_and_uncompress(${INT8_GOOGLENET_MODEL_DIR} "${INFERENCE_URL}/int8" "GoogleNet_int8_model.tar.gz" )
+  endif()
+  inference_analysis_api_int8_test(test_analyzer_int8_googlenet ${INT8_GOOGLENET_MODEL_DIR} ${INT8_DATA_DIR} analyzer_int8_image_classification_tester.cc SERIAL)
 endif()
 
 # bert, max_len=20, embedding_dim=128

paddle/fluid/operators/mkldnn/concat_mkldnn_op.cc

@@ -79,6 +79,8 @@ std::string CreateKey(const paddle::framework::ExecutionContext& ctx,
   platform::MKLDNNHandler::AppendKey(&key, std::to_string(concat_axis));
   platform::MKLDNNHandler::AppendKey(&key, ctx.op().Output("Out"));
   platform::MKLDNNHandler::AppendKey(&key, std::to_string(dt));
+  platform::MKLDNNHandler::AppendKey(&key,
+                                     std::to_string(multi_input[0]->format()));
   return key;
 }