From f455315b5dbcda826d7d1a1fdb31b524621c6225 Mon Sep 17 00:00:00 2001
From: Andrew Waterman
Date: Fri, 28 Aug 2015 15:02:18 -0700
Subject: Add poison node

---
 src/main/scala/Chisel/Core.scala | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/main/scala/Chisel/Core.scala')

diff --git a/src/main/scala/Chisel/Core.scala b/src/main/scala/Chisel/Core.scala
index d8a2c49c..ee322ac5 100644
--- a/src/main/scala/Chisel/Core.scala
+++ b/src/main/scala/Chisel/Core.scala
@@ -904,3 +904,9 @@ class WhenContext(cond: => Bool)(block: => Unit) {
     res
   }
 }
+
+/** A source of garbage data, used to initialize Wires to a don't-care value. */
+private object Poison extends Command {
+  def apply[T <: Data](t: T): T =
+    pushCommand(DefPoison(t.cloneType)).id
+}
-- 
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