std::unique_ptr<OperationPass<func::FuncOp>> CreateTransformEinsumPass();

// Optimizes Tensorflow graph.
std::unique_ptr<OperationPass<func::FuncOp>> CreateTFOptimizePass();
void RegisterTFOptimizePassPipeline();

// Creates pass to rewrite RecvTPUEmbeddingActivationsOp and
// SendTPUEmbeddingGradients ops to internal variants.