From 90e775b1228765ce7f345716fa215f72b97816a9 Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Tue, 15 Aug 2017 14:44:59 -0700
Subject: Make .dir give correct direction for Module io in compatibility

---
 src/main/scala/chisel3/compatibility.scala | 23 +++++++----------------
 1 file changed, 7 insertions(+), 16 deletions(-)

(limited to 'src/main')

diff --git a/src/main/scala/chisel3/compatibility.scala b/src/main/scala/chisel3/compatibility.scala
index 33e8e75c..e169fb8f 100644
--- a/src/main/scala/chisel3/compatibility.scala
+++ b/src/main/scala/chisel3/compatibility.scala
@@ -29,26 +29,17 @@ package object Chisel {     // scalastyle:ignore package.object.name
   }
 
   implicit class AddDirMethodToData[T<:Data](val target: T) extends AnyVal {
-    import chisel3.core.{DataMirror, ActualDirection, SpecifiedDirection}
+    import chisel3.core.{DataMirror, ActualDirection, requireIsHardware}
     def dir: Direction = {
-      DataMirror.isSynthesizable(target) match {
-        case true => target match {
-          case e: Element => DataMirror.directionOf(e) match {
-            case ActualDirection.Unspecified => NODIR
-            case ActualDirection.Output => OUTPUT
-            case ActualDirection.Input => INPUT
-            case dir => throw new RuntimeException(s"Unexpected element direction '$dir'")
-          }
+      requireIsHardware(target) // This has the side effect of calling _autoWrapPorts
+      target match {
+        case e: Element => DataMirror.directionOf(e) match {
+          case ActualDirection.Output => OUTPUT
+          case ActualDirection.Input => INPUT
           case _ => NODIR
         }
-        case false => DataMirror.specifiedDirectionOf(target) match {  // returns local direction only
-          case SpecifiedDirection.Unspecified => NODIR
-          case SpecifiedDirection.Input => INPUT
-          case SpecifiedDirection.Output => OUTPUT
-          case dir => throw new RuntimeException(s"Unexpected element direction '$dir'")
-        }
+        case _ => NODIR
       }
-
     }
   }
 
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