Return ::tensorflow::Status in Toco Graph Transformations.

PiperOrigin-RevId: 216392908

1 files changed, 8 insertions, 5 deletions

diff --git a/tensorflow/contrib/lite/toco/graph_transformations/quantize.cc b/tensorflow/contrib/lite/toco/graph_transformations/quantize.cc
index fb299c31b7..29ea17dc61 100644
--- a/tensorflow/contrib/lite/toco/graph_transformations/quantize.cc
+++ b/tensorflow/contrib/lite/toco/graph_transformations/quantize.cc
@@ -439,7 +439,9 @@ void FixMinMaxPostQuantization(GraphTransformation* transformation,
 
 }  // namespace
 
-bool Quantize::Run(Model* model, std::size_t op_index) {
+::tensorflow::Status Quantize::Run(Model* model, std::size_t op_index,
+                                   bool* modified) {
+  *modified = false;
   // Our general "quantization" graph transformation consists in replacing
   //   QuantizedInputArrays[] ->
   //     DequantizeOperators[] ->
@@ -460,7 +462,7 @@ bool Quantize::Run(Model* model, std::size_t op_index) {
   auto& op = *model->operators[op_index];
   if (op.type == OperatorType::kDequantize ||
       op.type == OperatorType::kFakeQuant) {
-    return false;
+    return ::tensorflow::Status::OK();
   }
 
   // Our assumption here is that the input arrays are already quantized -
@@ -497,7 +499,7 @@ bool Quantize::Run(Model* model, std::size_t op_index) {
       if (!array.minmax && !array.buffer) {
         LOG(ERROR) << "Can't quantize input array " << input
                    << " because it lacks min/max info";
-        return false;
+        return ::tensorflow::Status::OK();
       }
       const auto* other_op = GetOpWithOutput(*model, input);
       if (other_op && other_op->type != OperatorType::kDequantize) {
@@ -507,7 +509,7 @@ bool Quantize::Run(Model* model, std::size_t op_index) {
             "which means that we should yield and let other ops "
             "get quantized first",
             LogName(op), input);
-        return false;
+        return ::tensorflow::Status::OK();
       }
     }
   }
@@ -672,7 +674,8 @@ bool Quantize::Run(Model* model, std::size_t op_index) {
     }
   }
 
-  return changed;
+  *modified = changed;
+  return ::tensorflow::Status::OK();
 }
 
 }  // namespace toco