1 files changed, 0 insertions, 71 deletions
diff --git a/chiselFrontend/src/main/scala/chisel/core/Reg.scala b/chiselFrontend/src/main/scala/chisel/core/Reg.scala
deleted file mode 100644
index 78461334..00000000
--- a/chiselFrontend/src/main/scala/chisel/core/Reg.scala
+++ /dev/null
@@ -1,71 +0,0 @@
-// See LICENSE for license details.
-
-package chisel.core
-
-import chisel.internal._
-import chisel.internal.Builder.pushCommand
-import chisel.internal.firrtl._
-import chisel.internal.sourceinfo.{SourceInfo, UnlocatableSourceInfo}
-
-object Reg {
-  private[core] def makeType[T <: Data](t: T = null, next: T = null, init: T = null): T = {
-    if (t ne null) {
-      t.cloneType
-    } else if (next ne null) {
-      next.cloneTypeWidth(Width())
-    } else if (init ne null) {
-      init.litArg match {
-        // For e.g. Reg(init=UInt(0, k)), fix the Reg's width to k
-        case Some(lit) if lit.forcedWidth => init.cloneType
-        case _ => init.cloneTypeWidth(Width())
-      }
-    } else {
-      throwException("cannot infer type")
-    }
-  }
-
-  /** Creates a register with optional next and initialization values.
-    *
-    * @param t: data type for the register
-    * @param next: new value register is to be updated with every cycle (or
-    * empty to not update unless assigned to using the := operator)
-    * @param init: initialization value on reset (or empty for uninitialized,
-    * where the register value persists across a reset)
-    *
-    * @note this may result in a type error if called from a type parameterized
-    * function, since the Scala compiler isn't smart enough to know that null
-    * is a valid value. In those cases, you can either use the outType only Reg
-    * constructor or pass in `null.asInstanceOf[T]`.
-    */
-  def apply[T <: Data](t: T = null, next: T = null, init: T = null): T =
-    // Scala macros can't (yet) handle named or default arguments.
-    do_apply(t, next, init)(UnlocatableSourceInfo)
-
-  /** Creates a register without initialization (reset is ignored). Value does
-    * not change unless assigned to (using the := operator).
-    *
-    * @param outType: data type for the register
-    */
-  def apply[T <: Data](outType: T): T = Reg[T](outType, null.asInstanceOf[T], null.asInstanceOf[T])
-
-  def do_apply[T <: Data](t: T, next: T, init: T)(implicit sourceInfo: SourceInfo): T = {
-    // TODO: write this in a way that doesn't need nulls (bad Scala style),
-    // null.asInstanceOf[T], and two constructors. Using Option types are an
-    // option, but introduces cumbersome syntax (wrap everything in a Some()).
-    // Implicit conversions to Option (or similar) types were also considered,
-    // but Scala's type inferencer and implicit insertion isn't smart enough
-    // to resolve all use cases. If the type inferencer / implicit resolution
-    // system improves, this may be changed.
-    val x = makeType(t, next, init)
-    val clock = Node(x._parent.get.clock) // TODO multi-clock
-    if (init == null) {
-      pushCommand(DefReg(sourceInfo, x, clock))
-    } else {
-      pushCommand(DefRegInit(sourceInfo, x, clock, Node(x._parent.get.reset), init.ref))
-    }
-    if (next != null) {
-      x := next
-    }
-    x
-  }
-}