diff options
Diffstat (limited to 'src/main/scala/firrtl/transforms/Dedup.scala')
| -rw-r--r-- | src/main/scala/firrtl/transforms/Dedup.scala | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/main/scala/firrtl/transforms/Dedup.scala b/src/main/scala/firrtl/transforms/Dedup.scala index 0667a184..5caa9228 100644 --- a/src/main/scala/firrtl/transforms/Dedup.scala +++ b/src/main/scala/firrtl/transforms/Dedup.scala @@ -9,7 +9,7 @@ import firrtl.analyses.InstanceGraph import firrtl.annotations._ import firrtl.passes.{InferTypes, MemPortUtils} import firrtl.Utils.throwInternalError -import firrtl.options.{HasShellOptions, ShellOption} +import firrtl.options.{HasShellOptions, PreservesAll, ShellOption} // Datastructures import scala.collection.mutable @@ -39,10 +39,14 @@ case object NoCircuitDedupAnnotation extends NoTargetAnnotation with HasShellOpt * Specifically, the restriction of instance loops must have been checked, or else this pass can * infinitely recurse */ -class DedupModules extends Transform { +class DedupModules extends Transform with PreservesAll[Transform] { def inputForm: CircuitForm = HighForm def outputForm: CircuitForm = HighForm + override val prerequisites = firrtl.stage.Forms.Resolved + + override val dependents = Seq.empty + /** Deduplicate a Circuit * @param state Input Firrtl AST * @return A transformed Firrtl AST |