From b8cf5089f10cc066da1e96aeb129e49f0576d01f Mon Sep 17 00:00:00 2001
From: zhaoxinxin <zhaoxinxin1@huawei.com>
Date: Wed, 2 Dec 2020 10:09:45 +0800
Subject: [PATCH] 	modified:   ge/graph/passes/merge_pass.cc 
 modified:   ge/graph/passes/merge_pass.h

---
 ge/graph/passes/merge_pass.cc | 36 ------------------------------------
 ge/graph/passes/merge_pass.h  |  1 -
 2 files changed, 37 deletions(-)

diff --git a/ge/graph/passes/merge_pass.cc b/ge/graph/passes/merge_pass.cc
index 0b367614..d2340037 100644
--- a/ge/graph/passes/merge_pass.cc
+++ b/ge/graph/passes/merge_pass.cc
@@ -34,11 +34,6 @@ using domi::SUCCESS;
 namespace ge {
 const int kValueIndexOutputIndex = 1;
 
-bool IsEmptyTensor(const GeShape &shape) {
-  const auto &dims = shape.GetDims();
-  return std::any_of(dims.begin(), dims.end(), [](int64_t dim) { return dim == 0; });
-}
-
 Status MergePass::Run(NodePtr &node) {
   GELOGD("MergePass running");
   if (node == nullptr) {
@@ -58,11 +53,6 @@ Status MergePass::Run(NodePtr &node) {
     return PARAM_INVALID;
   }
 
-  if (OptimizeEmptyTensorInput(node) != SUCCESS) {
-    GELOGE(FAILED, "[%s] remove empty_tensor inputs failed.", node->GetName().c_str());
-    return FAILED;
-  }
-
   auto in_data_nodes = node->GetInDataNodes();
   switch (in_data_nodes.size()) {
     case 0: {
@@ -212,30 +202,4 @@ bool MergePass::IsMergeInputNeedOptimized(NodePtr &node) const {
   }
   return true;
 }
-
-Status MergePass::OptimizeEmptyTensorInput(const NodePtr &node) {
-  for (const auto &in_data_anchor : node->GetAllInDataAnchors()) {
-    const auto &peer_data_anchor = in_data_anchor->GetPeerOutAnchor();
-    if (peer_data_anchor == nullptr) {
-      continue;
-    }
-    if ((peer_data_anchor->GetOwnerNode() == nullptr) ||
-        (peer_data_anchor->GetOwnerNode()->GetOpDesc() == nullptr)) {
-      continue;
-    }
-    const auto &op_desc = peer_data_anchor->GetOwnerNode()->GetOpDesc();
-    if (IsEmptyTensor(op_desc->GetOutputDesc(peer_data_anchor->GetIdx()).GetShape())) {
-      if (GraphUtils::RemoveEdge(peer_data_anchor, in_data_anchor) != GRAPH_SUCCESS) {
-        GELOGE(FAILED, "Remove data edge %s:%d->%s:%d failed.",
-               op_desc->GetName().c_str(), peer_data_anchor->GetIdx(),
-               node->GetName().c_str(), in_data_anchor->GetIdx());
-        return FAILED;
-      }
-      GELOGD("Remove data edge %s:%d->%s:%d",
-             op_desc->GetName().c_str(), peer_data_anchor->GetIdx(),
-             node->GetName().c_str(), in_data_anchor->GetIdx());
-    }
-  }
-  return SUCCESS;
-}
 }  // namespace ge
diff --git a/ge/graph/passes/merge_pass.h b/ge/graph/passes/merge_pass.h
index 464f2172..2cdb5022 100755
--- a/ge/graph/passes/merge_pass.h
+++ b/ge/graph/passes/merge_pass.h
@@ -29,7 +29,6 @@ class MergePass : public BaseNodePass {
   Status ChangeIndexToConstant(NodePtr &node, int &value_index);
   Status CreateConstByValue(NodePtr &node, int value_index, OpDescPtr &op_desc);
   bool IsMergeInputNeedOptimized(NodePtr &node) const;
-  static Status OptimizeEmptyTensorInput(const NodePtr &node);
 };
 }  // namespace ge
 #endif  // GE_GRAPH_PASSES_MERGE_PASS_H_