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-rw-r--r--src/main/scala/firrtl/transforms/SimplifyMems.scala4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/scala/firrtl/transforms/SimplifyMems.scala b/src/main/scala/firrtl/transforms/SimplifyMems.scala
index 37302f45..a056c7da 100644
--- a/src/main/scala/firrtl/transforms/SimplifyMems.scala
+++ b/src/main/scala/firrtl/transforms/SimplifyMems.scala
@@ -9,7 +9,6 @@ import firrtl.annotations._
import firrtl.passes._
import firrtl.passes.memlib._
import firrtl.stage.Forms
-import firrtl.options.PreservesAll
import scala.collection.mutable
import AnalysisUtils._
@@ -19,11 +18,12 @@ import ResolveMaskGranularity._
/**
* Lowers memories without splitting them, but without the complexity of ReplaceMemMacros
*/
-class SimplifyMems extends Transform with DependencyAPIMigration with PreservesAll[Transform] {
+class SimplifyMems extends Transform with DependencyAPIMigration {
override def prerequisites = Forms.MidForm
override def optionalPrerequisites = Seq.empty
override def optionalPrerequisiteOf = Forms.MidEmitters
+ override def invalidates(a: Transform) = false
def onModule(c: Circuit, renames: RenameMap)(m: DefModule): DefModule = {
val moduleNS = Namespace(m)