op: "AssignSubVariableOp"
  input: "bn2a_branch2a/moving_mean"
  input: "bn2a_branch2a_1/AssignMovingAvg/mul"
  device: "/job:localhost/replica:0/task:0/device:GPU:0"
  attr {
    key: "dtype"
    value {
      type: DT_FLOAT
    }
  }
}
node {
  name: "bn2a_branch2a_1/AssignMovingAvg_1/AssignSubVariableOp"
  op: "AssignSubVariableOp"

  input: "^bn2a_branch2b_1/AssignMovingAvg_1/AssignSubVariableOp"
  input: "^bn2a_branch2c/cond_1/branch_executed/_279"
  input: "^bn2a_branch2c_1/AssignMovingAvg/AssignSubVariableOp"
  input: "^bn2a_branch2c_1/AssignMovingAvg_1/AssignSubVariableOp"
  input: "^bn2b_branch2a/cond_1/branch_executed/_293"
  input: "^bn2b_branch2a_1/AssignMovingAvg/AssignSubVariableOp"

 AssignAddVariableOp 2
 Const 2
 DivNoNan 1
 Identity 1
 NoOp 1
 ReadVariableOp 2
 VarHandleOp 435
 _Retval 2
cluster 0 size 2178
 Add 17
 AddN 72
 ArgMax 1
 AssignAddVariableOp 1
 AssignSubVariableOp 106
 BiasAdd 1
 BiasAddGrad 1
 Cast 3
 Const 357
 Conv2D 53
 Conv2DBackpropFilter 53
 Conv2DBackpropInput 52
 DivNoNan 1
 Equal 1
 FusedBatchNorm 53
 FusedBatchNormGrad 53
 Identity 2

 Reshape 2
 ResourceApplyKerasMomentum 161
 Slice 1
 Softmax 1
 SparseSoftmaxCrossEntropyWithLogits 1
 Squeeze 1
 Sum 1
 Tile 1
 Transpose 1
cluster 1 size 815
 AddN 1
 AssignAddVariableOp 1
 AssignSubVariableOp 106
 Const 220
 DivNoNan 1
 Identity 1
 Mul 161
 ReadVariableOp 106
 Square 55
 Sub 106

  // CHECK-NEXT: [[CONST:%.*]] = "tf.Const"
  %0 = "tf.Const"() {value = dense<1.000000e+00> : tensor<f32>} : () -> tensor<f32>

  // CHECK-NEXT: "tf.AssignSubVariableOp"([[UNUSED_RESOURCE]], [[CONST]])

  // CHECK:      "tf_device.cluster"
  // CHECK-NEXT:   "tf.ReadVariableOp"([[USED_RESOURCE]])
  // CHECK-NEXT:   "tf.NoOp"
  // CHECK-NEXT:   tf_device.return

    tf_device.return
  }) : () -> ()
  func.return
}


// Tests that composite tf.AssignSubVariableOp operation is decomposed using
// SubOp.

// CHECK-LABEL: func @decompose_assign_sub_variable_op
func.func @decompose_assign_sub_variable_op() -> () {
  "tf_device.cluster"() ({

    const Cluster& cluster) {
  Node* n = GetOnlyNodeIn(cluster);
  if (!n) {
    return false;
  }

  if (n->type_string() != "AssignAddVariableOp" &&
      n->type_string() != "AssignSubVariableOp") {
    return false;
  }

  DataType dtype;
  if (!TryGetNodeAttr(n->def(), "dtype", &dtype) || !DataTypeIsInteger(dtype)) {
    return false;
  }

  Node* const_input = nullptr;

  );

  let results = (outs);

  TF_DerivedOperandTypeAttr dtype = TF_DerivedOperandTypeAttr<1>;
}

def TF_AssignSubVariableOp : TF_Op<"AssignSubVariableOp", []> {
  let summary = "Subtracts a value from the current value of a variable.";

  let description = [{
Any ReadVariableOp with a control dependency on this op is guaranteed to