1 files changed, 22 insertions, 6 deletions
diff --git a/core/src/main/scala/chisel3/experimental/verification/package.scala b/core/src/main/scala/chisel3/experimental/verification/package.scala
index 816299a3..ca15a5c4 100644
--- a/core/src/main/scala/chisel3/experimental/verification/package.scala
+++ b/core/src/main/scala/chisel3/experimental/verification/package.scala
@@ -8,36 +8,52 @@ import chisel3.internal.firrtl.{Formal, Verification}
 import chisel3.internal.sourceinfo.SourceInfo
 
 package object verification {
+
+  /** Named class for assertions. */
+  final class Assert(val predicate: Bool) extends BaseSim
+
+  /** Named class for assumes. */
+  final class Assume(val predicate: Bool) extends BaseSim
+
+  /** Named class for covers. */
+  final class Cover(val predicate: Bool) extends BaseSim
+
   object assert {
     def apply(predicate: Bool, msg: String = "")(
       implicit sourceInfo: SourceInfo,
-      compileOptions: CompileOptions): Unit = {
+      compileOptions: CompileOptions): Assert = {
+      val a = new Assert(predicate)
       when (!Module.reset.asBool) {
         val clock = Module.clock
-        Builder.pushCommand(Verification(Formal.Assert, sourceInfo, clock.ref, predicate.ref, msg))
+        Builder.pushCommand(Verification(a, Formal.Assert, sourceInfo, clock.ref, predicate.ref, msg))
       }
+      a
     }
   }
 
   object assume {
     def apply(predicate: Bool, msg: String = "")(
       implicit sourceInfo: SourceInfo,
-      compileOptions: CompileOptions): Unit = {
+      compileOptions: CompileOptions): Assume = {
+      val a = new Assume(predicate)
       when (!Module.reset.asBool) {
         val clock = Module.clock
-        Builder.pushCommand(Verification(Formal.Assume, sourceInfo, clock.ref, predicate.ref, msg))
+        Builder.pushCommand(Verification(a, Formal.Assume, sourceInfo, clock.ref, predicate.ref, msg))
       }
+      a
     }
   }
 
   object cover {
     def apply(predicate: Bool, msg: String = "")(
       implicit sourceInfo: SourceInfo,
-      compileOptions: CompileOptions): Unit = {
+      compileOptions: CompileOptions): Cover = {
       val clock = Module.clock
+      val c = new Cover(predicate)
       when (!Module.reset.asBool) {
-        Builder.pushCommand(Verification(Formal.Cover, sourceInfo, clock.ref, predicate.ref, msg))
+        Builder.pushCommand(Verification(c, Formal.Cover, sourceInfo, clock.ref, predicate.ref, msg))
       }
+      c
     }
   }
 }