Merge pull request #1123 from freechipsproject/dependency-api-2

- Use Dependency API for transform scheduling
- Add tests that old order/behavior is preserved

Or: "Now you're thinking with dependencies."

1 files changed, 9 insertions, 1 deletions

diff --git a/src/main/scala/firrtl/passes/CheckChirrtl.scala b/src/main/scala/firrtl/passes/CheckChirrtl.scala
index 08237ab2..08c127da 100644
--- a/src/main/scala/firrtl/passes/CheckChirrtl.scala
+++ b/src/main/scala/firrtl/passes/CheckChirrtl.scala
@@ -2,8 +2,16 @@
 
 package firrtl.passes
 
+import firrtl.Transform
 import firrtl.ir._
+import firrtl.options.{Dependency, PreservesAll}
+
+object CheckChirrtl extends Pass with CheckHighFormLike with PreservesAll[Transform] {
+
+  override val dependents = firrtl.stage.Forms.ChirrtlForm ++
+    Seq( Dependency(CInferTypes),
+         Dependency(CInferMDir),
+         Dependency(RemoveCHIRRTL) )
 
-object CheckChirrtl extends Pass with CheckHighFormLike {
   def errorOnChirrtl(info: Info, mname: String, s: Statement): Option[PassException] = None
 }