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-rw-r--r--src/main/scala/chisel3/util/Valid.scala1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/main/scala/chisel3/util/Valid.scala b/src/main/scala/chisel3/util/Valid.scala
index df458927..7dcad2c7 100644
--- a/src/main/scala/chisel3/util/Valid.scala
+++ b/src/main/scala/chisel3/util/Valid.scala
@@ -111,6 +111,7 @@ object Pipe {
*/
@chiselName
def apply[T <: Data](enqValid: Bool, enqBits: T, latency: Int)(implicit compileOptions: CompileOptions): Valid[T] = {
+ require(latency >= 0, "Pipe latency must be greater than or equal to zero!")
if (latency == 0) {
val out = Wire(Valid(chiselTypeOf(enqBits)))
out.valid := enqValid