// associated resource read, so the resource can later be fused into TPUExecute.
namespace {
struct TPUResourceReadForWritePass
    : public impl::TPUResourceReadForWritePassBase<
          TPUResourceReadForWritePass> {
  void runOnOperation() override;
};

// Helper struct holding a resource value and its associated type.
struct ResourceValueAndSubtype {
  Value resource;

    to XLA compiler for input/output buffer space optimizations.
  }];

  let constructor = "TFDevice::CreateMarkInputOutputAliasesPass()";
}

def TPUResourceReadForWritePass : Pass<"tf-tpu-resource-read-for-write", "ModuleOp"> {
  let summary = "Inserts tf.ReadVariableOp inputs to a TPU cluster for resource writes with no reads";

  let description = [{