Update usage of Scope

paddle/framework/operator.h

@@ -119,19 +119,19 @@ class KernelContext {
       : op_(*op), scope_(scope), device_context_(device_context) {}
 
   const Variable* Input(int index) const {
-    return scope_->GetVariable(op_.inputs_[index]);
+    return scope_->FindVar(op_.inputs_[index]);
   }
 
   Variable* Output(int index) const {
-    return scope_->GetVariable(op_.outputs_[index]);
+    return scope_->FindVar(op_.outputs_[index]);
   }
 
   const Variable* Input(const std::string& name) const {
-    return scope_->GetVariable(op_.Input(name));
+    return scope_->FindVar(op_.Input(name));
   }
 
   const Variable* Output(const std::string& name) const {
-    return scope_->GetVariable(op_.Output(name));
+    return scope_->FindVar(op_.Output(name));
   }
 
   const std::vector<const Variable*> Inputs(const std::string& name) const {
@@ -139,7 +139,7 @@ class KernelContext {
     std::vector<const Variable*> res;
     std::transform(
         names.begin(), names.end(), res.begin(),
-        [this](const std::string& name) { return scope_->GetVariable(name); });
+        [this](const std::string& name) { return scope_->FindVar(name); });
     return res;
   }
 
@@ -148,7 +148,7 @@ class KernelContext {
     std::vector<const Variable*> res;
     std::transform(
         names.begin(), names.end(), res.begin(),
-        [this](const std::string& name) { return scope_->GetVariable(name); });
+        [this](const std::string& name) { return scope_->FindVar(name); });
     return res;
   }
 
@@ -244,7 +244,7 @@ class OperatorWithKernel : public OperatorBase {
     container->reserve(var_names.size());
     VarToTensor<T> convert;
     for (auto& name : var_names) {
-      auto var = scope->GetVariable(name);
+      auto var = scope->FindVar(name);
       if (var != nullptr) {
         container->push_back(convert(var));
       } else {