1 files changed, 17 insertions, 0 deletions
diff --git a/src/main/scala/firrtl/transforms/IdentityTransform.scala b/src/main/scala/firrtl/transforms/IdentityTransform.scala
new file mode 100644
index 00000000..a39ca4b7
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+++ b/src/main/scala/firrtl/transforms/IdentityTransform.scala
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+// See LICENSE for license details.
+
+package firrtl.transforms
+
+import firrtl.{CircuitForm, CircuitState, Transform}
+
+/** Transform that applies an identity function. This returns an unmodified [[CircuitState]].
+  * @param form the input and output [[CircuitForm]]
+  */
+class IdentityTransform(form: CircuitForm) extends Transform {
+
+  final override def inputForm: CircuitForm = form
+  final override def outputForm: CircuitForm = form
+
+  final def execute(state: CircuitState): CircuitState = state
+
+}