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authorSchuyler Eldridge2020-04-22 19:55:32 -0400
committerGitHub2020-04-22 19:55:32 -0400
commit65360f886f9b92438d1b6fe609120b34ebb413cf (patch)
tree073ebe73d43e652af1f71a08d34cc30a421c4dbb /src/main/scala/firrtl/transforms/DeadCodeElimination.scala
parent8653fd628f83c1bcb329dd37844ddfdb8f4cf206 (diff)
parent184d40095179a9f49dd21e73e2c02b998bac5c00 (diff)
Merge pull request #1534 from freechipsproject/deprecate-transform-2
Trait-base Dependency API Migration
Diffstat (limited to 'src/main/scala/firrtl/transforms/DeadCodeElimination.scala')
-rw-r--r--src/main/scala/firrtl/transforms/DeadCodeElimination.scala13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/main/scala/firrtl/transforms/DeadCodeElimination.scala b/src/main/scala/firrtl/transforms/DeadCodeElimination.scala
index 04f1c7d2..0262f535 100644
--- a/src/main/scala/firrtl/transforms/DeadCodeElimination.scala
+++ b/src/main/scala/firrtl/transforms/DeadCodeElimination.scala
@@ -29,12 +29,13 @@ import collection.mutable
* circumstances of their instantiation in their parent module, they will still not be removed. To
* remove such modules, use the [[NoDedupAnnotation]] to prevent deduplication.
*/
-class DeadCodeElimination extends Transform with ResolvedAnnotationPaths with RegisteredTransform
+class DeadCodeElimination extends Transform
+ with ResolvedAnnotationPaths
+ with RegisteredTransform
+ with DependencyAPIMigration
with PreservesAll[Transform] {
- def inputForm = UnknownForm
- def outputForm = UnknownForm
- override val prerequisites = firrtl.stage.Forms.LowForm ++
+ override def prerequisites = firrtl.stage.Forms.LowForm ++
Seq( Dependency(firrtl.passes.RemoveValidIf),
Dependency[firrtl.transforms.ConstantPropagation],
Dependency(firrtl.passes.memlib.VerilogMemDelays),
@@ -42,9 +43,9 @@ class DeadCodeElimination extends Transform with ResolvedAnnotationPaths with Re
Dependency[firrtl.transforms.CombineCats],
Dependency(passes.CommonSubexpressionElimination) )
- override val optionalPrerequisites = Seq.empty
+ override def optionalPrerequisites = Seq.empty
- override val dependents =
+ override def dependents =
Seq( Dependency[firrtl.transforms.BlackBoxSourceHelper],
Dependency[firrtl.transforms.ReplaceTruncatingArithmetic],
Dependency[firrtl.transforms.FlattenRegUpdate],