1 files changed, 7 insertions, 3 deletions
diff --git a/src/main/scala/firrtl/passes/ReplaceAccesses.scala b/src/main/scala/firrtl/passes/ReplaceAccesses.scala
index 2ec035f3..75cca77a 100644
--- a/src/main/scala/firrtl/passes/ReplaceAccesses.scala
+++ b/src/main/scala/firrtl/passes/ReplaceAccesses.scala
@@ -2,22 +2,26 @@
 
 package firrtl.passes
 
+import firrtl.Transform
 import firrtl.ir._
 import firrtl.{WSubAccess, WSubIndex}
 import firrtl.Mappers._
-
+import firrtl.options.{Dependency, PreservesAll}
 
 /** Replaces constant [[firrtl.WSubAccess]] with [[firrtl.WSubIndex]]
   * TODO Fold in to High Firrtl Const Prop
   */
-object ReplaceAccesses extends Pass {
+object ReplaceAccesses extends Pass with PreservesAll[Transform] {
+
+  override val prerequisites = firrtl.stage.Forms.Deduped :+ Dependency(PullMuxes)
+
   def run(c: Circuit): Circuit = {
     def onStmt(s: Statement): Statement = s map onStmt map onExp
     def onExp(e: Expression): Expression = e match {
       case WSubAccess(ex, UIntLiteral(value, width), t, g) => WSubIndex(onExp(ex), value.toInt, t, g)
       case _ => e map onExp
     }
-  
+
     c copy (modules = c.modules map (_ map onStmt))
   }
 }