!7742 fix post training quant

Merge pull request !7742 from xutianchun/ptf

mindspore/lite/tools/converter/legacy_optimizer/graph/trans_format_insert_pass.cc

@@ -92,6 +92,9 @@ bool TransOpInsertPass::CanFusion(schema::MetaGraphT *graph, const std::unique_p
       return has_trans_count >= half_count;
     }
   }
+  if (GetCNodeTType(*node) == schema::PrimitiveType_Split) {
+    return has_trans_count >= half_count;
+  }
   can_fusion = has_trans_count > half_count;
   return can_fusion;
 }

mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc

@@ -798,6 +798,7 @@ STATUS PostTrainingQuantizer::QuantNode() {
       primitive_c->SetQuantType(schema::QuantType_PostTraining);
       continue;
     } else if (op_type != PrimitiveType_Conv2D && op_type != PrimitiveType_DepthwiseConv2D &&
+               op_type != PrimitiveType_DeConv2D && op_type != PrimitiveType_DeDepthwiseConv2D &&
                op_type != PrimitiveType_FullConnection) {
       for (size_t i = 1; i < cnode->inputs().size(); i++) {
         auto input_node = cnode->input(i);
@@ -847,7 +848,8 @@ STATUS PostTrainingQuantizer::QuantNode() {
       // do weight quant
       auto weight = cnode->input(2);
       bool perchannel = per_channel_;
-      if (op_type == PrimitiveType_FullConnection) {
+      if (op_type == PrimitiveType_FullConnection || op_type == PrimitiveType_DeConv2D ||
+          op_type == PrimitiveType_DeDepthwiseConv2D) {
         perchannel = false;
       }
       DoWeightQuant(weight, primitive_c, perchannel);

mindspore/lite/tools/converter/quantizer/post_training_quantizer.h

@@ -65,7 +65,7 @@ class PostTrainingQuantizer : public Quantizer {
   int quant_min{INT8_MIN};
 
  private:
-  bool per_channel_;
+  bool per_channel_{true};
 
   TypeId target_type_{kNumberTypeInt8};
 

mindspore/lite/tools/converter/quantizer/quantize_util.cc

@@ -108,7 +108,7 @@ bool QuantStrategy::CanOpPostQuantized(AnfNodePtr &node) const {
     schema::PrimitiveType_DeDepthwiseConv2D,
     schema::PrimitiveType_DeConv2D,
     schema::PrimitiveType_Activation,
-    schema::PrimitiveType_TupleGetItem,
+    schema::PrimitiveType_Eltwise,
   };
   bool contain = IsContain(int8OpList, type);
   if (!contain) {