message: Simplify graphdef2mlir/multiple-use-next-iteration.pbtxt test to be more targeted
  This test checks that a NextIteration node feeding two different merge nodes is properly
  imported, the CHECK lines are updated to focus on this.
diff: # RUN: tf-mlir-translate -graphdef-to-mlir %s -o - | FileCheck %s
  +# Verify that a NextIteration node feeding two different merge nodes is properly
  +# Imported.
  +
  +# CHECK-LABEL: func @main()
  +# CHECK: %[[NEXTITERATION:[0-9]+]]:2 = "_tf.NextIteration.source"
  +# CHECK: "_tf.Merge"({{.*}}, %[[NEXTITERATION]]#0)
  +# CHECK: "_tf.Merge"({{.*}}, %[[NEXTITERATION]]#0)
  +
  node {
  name: "Const"
  op: "Const"
  @@ -137,14 +145,3 @@ versions {
  producer: 62
  }
  -# CHECK: func @main() {
  -# CHECK-NEXT: %0:2 = "_tf.NextIteration.source"() {T = "tfdtype$DT_INT32", device = "", name = "NextIteration"} : () -> (tensor<*xi32>, !_tf.control)
  -# CHECK-NEXT: %1:2 = "_tf.Const"() {device = "", dtype = "tfdtype$DT_INT32", name = "Add/y", value = dense<1> : tensor<i32>} : () -> (tensor<i32>, !_tf.control)
  -# CHECK-NEXT: %2:2 = "_tf.Const"() {device = "", dtype = "tfdtype$DT_INT32", name = "Const", value = dense<0> : tensor<i32>} : () -> (tensor<i32>, !_tf.control)
  -# CHECK-NEXT: %3:2 = "_tf.Enter"(%2#0) {T = "tfdtype$DT_INT32", device = "", frame_name = "while_context", is_constant = false, name = "Enter", parallel_iterations = 10 : i64} : (tensor<i32>) -> (tensor<*xi32>, !_tf.control)
  -# CHECK-NEXT: %4:3 = "_tf.Merge"(%3#0, %0#0) {N = 2 : i64, T = "tfdtype$DT_INT32", device = "", name = "Merge"} : (tensor<*xi32>, tensor<*xi32>) -> (tensor<*xi32>, tensor<i32>, !_tf.control)
  -# CHECK-NEXT: %5:2 = "_tf.Add"(%4#0, %1#0) {T = "tfdtype$DT_INT32", device = "", name = "Add"} : (tensor<*xi32>, tensor<i32>) -> (tensor<*xi32>, !_tf.control)
  -# CHECK-NEXT: %6 = "_tf.NextIteration.sink"(%5#0) {T = "tfdtype$DT_INT32", device = "", name = "NextIteration"} : (tensor<*xi32>) -> !_tf.control
  -# CHECK-NEXT: %7:3 = "_tf.Merge"(%3#0, %0#0) {N = 2 : i64, T = "tfdtype$DT_INT32", device = "", name = "Use_NextIteration_Again"} : (tensor<*xi32>, tensor<*xi32>) -> (tensor<*xi32>, tensor<i32>, !_tf.control)
  -# CHECK-NEXT: return
  -# CHECK-NEXT: }
  