Expose FIRRTL asClock construct

Additionally, fix Clock.asUInt (previously, it threw an esoteric exception), and add a simple test of both.

1 files changed, 5 insertions, 0 deletions

diff --git a/chiselFrontend/src/main/scala/chisel3/core/Bits.scala b/chiselFrontend/src/main/scala/chisel3/core/Bits.scala
index 77a31252..d7464efa 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/Bits.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/Bits.scala
@@ -699,6 +699,11 @@ sealed class Bool(dir: Direction, lit: Option[ULit] = None) extends UInt(dir, Wi
   def && (that: Bool): Bool = macro SourceInfoTransform.thatArg
 
   def do_&& (that: Bool)(implicit sourceInfo: SourceInfo): Bool = this & that
+
+  /** Reinterprets this Bool as a Clock.  */
+  def asClock(): Clock = macro SourceInfoTransform.noArg
+
+  def do_asClock(implicit sourceInfo: SourceInfo): Clock = pushOp(DefPrim(sourceInfo, Clock(), AsClockOp, ref))
 }
 
 object Bool {