// argument to the `cluster_func` directly feeds into another function call op,
// then recursively walk the function definition to find the connected
// XlaSharding op.
void IdentifyXlaShardingForComputationInputs(
    const llvm::SmallVector<std::string>& logical_device_vec,
    bool infer_from_computation, mlir::tf_device::ClusterFuncOp cluster_func,
    mlir::func::FuncOp func, Builder* builder,