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Diffstat (limited to 'src/main/scala/firrtl/WIR.scala')
| -rw-r--r-- | src/main/scala/firrtl/WIR.scala | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/main/scala/firrtl/WIR.scala b/src/main/scala/firrtl/WIR.scala index 7360a77b..cdac2ca5 100644 --- a/src/main/scala/firrtl/WIR.scala +++ b/src/main/scala/firrtl/WIR.scala @@ -55,6 +55,8 @@ case class WSubIndex(exp:Expression,value:Int,tpe:Type,gender:Gender) extends Ex case class WSubAccess(exp:Expression,index:Expression,tpe:Type,gender:Gender) extends Expression case class WVoid() extends Expression { def tpe = UnknownType() } case class WInvalid() extends Expression { def tpe = UnknownType() } +// Useful for splitting then remerging references +case object EmptyExpression extends Expression { def tpe = UnknownType() } case class WDefInstance(info:Info,name:String,module:String,tpe:Type) extends Stmt with IsDeclaration case object ADDW_OP extends PrimOp |