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-rw-r--r--src/main/scala/firrtl/transforms/CheckCombLoops.scala13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/main/scala/firrtl/transforms/CheckCombLoops.scala b/src/main/scala/firrtl/transforms/CheckCombLoops.scala
index 53be9a98..2660c848 100644
--- a/src/main/scala/firrtl/transforms/CheckCombLoops.scala
+++ b/src/main/scala/firrtl/transforms/CheckCombLoops.scala
@@ -94,18 +94,19 @@ case class CombinationalPath(sink: ReferenceTarget, sources: Seq[ReferenceTarget
* @note The pass relies on ExtModulePathAnnotations to find loops through ExtModules
* @note The pass will throw exceptions on "false paths"
*/
-class CheckCombLoops extends Transform with RegisteredTransform with PreservesAll[Transform] {
- def inputForm = LowForm
- def outputForm = LowForm
+class CheckCombLoops extends Transform
+ with RegisteredTransform
+ with DependencyAPIMigration
+ with PreservesAll[Transform] {
- override val prerequisites = firrtl.stage.Forms.MidForm ++
+ override def prerequisites = firrtl.stage.Forms.MidForm ++
Seq( Dependency(passes.LowerTypes),
Dependency(passes.Legalize),
Dependency(firrtl.transforms.RemoveReset) )
- override val optionalPrerequisites = Seq.empty
+ override def optionalPrerequisites = Seq.empty
- override val dependents = Seq.empty
+ override def dependents = Seq.empty
import CheckCombLoops._