Automated Code Change

PiperOrigin-RevId: 934751930

Author: tensorflower-gardener

tensorflow/core/framework/common_shape_fns.cc

@@ -1187,7 +1187,7 @@ absl::Status Conv2DBackpropInputShape(shape_inference::InferenceContext* c) {
   ShapeHandle input_grad_shape;
   TF_RETURN_IF_ERROR(ShapeFromDimensions(
       batch_size_dim, specified_input_grad_spatial_dims, input_grad_depth_dim,
-      data_format, /*vect_size=*/absl::nullopt, c, &input_grad_shape));
+      data_format, /*vect_size=*/std::nullopt, c, &input_grad_shape));
   c->set_output(0, input_grad_shape);
   return absl::OkStatus();
 }

tensorflow/core/framework/graph_to_functiondef_test.cc

@@ -399,7 +399,7 @@ TEST(GraphToFunctionDefTest, ControlOutputs) {
   const auto control_ret = [](const Node* n) -> std::optional<std::string> {
     if (n->name() == "b")
       return absl::make_optional<std::string>("must_execute");
-    return absl::nullopt;
+    return std::nullopt;
   };
 
   FunctionDef fdef;

tensorflow/core/framework/tracking_allocator_test.cc

@@ -44,7 +44,7 @@ class TestableSizeTrackingAllocator : public Allocator {
     EXPECT_NE(size_map_.end(), iter);
     return iter->second;
   }
-  std::optional<AllocatorStats> GetStats() override { return absl::nullopt; }
+  std::optional<AllocatorStats> GetStats() override { return std::nullopt; }
 
  private:
   std::unordered_map<const void*, size_t> size_map_;
@@ -58,7 +58,7 @@ class NoMemoryAllocator : public Allocator {
   }
   void DeallocateRaw(void* ptr) override {}
   bool TracksAllocationSizes() const override { return true; }
-  std::optional<AllocatorStats> GetStats() override { return absl::nullopt; }
+  std::optional<AllocatorStats> GetStats() override { return std::nullopt; }
 };
 
 TEST(TrackingAllocatorTest, SimpleNoTracking) {