diff options
| author | David Biancolin | 2020-03-09 17:53:11 -0700 |
|---|---|---|
| committer | GitHub | 2020-03-09 17:53:11 -0700 |
| commit | 113a4aa3641c49b4c86e0cc23b3897b935c9b445 (patch) | |
| tree | dc991d77b3a1c6328d60bc98add2cc0d2ed70451 /src/main/scala/firrtl/transforms/ConstantPropagation.scala | |
| parent | 0c40f2b3bf0088a226cdfcb551fc72972a030395 (diff) | |
Provide an annotation mix-in that marks RTs as dontTouch (#1433)
* Provide an annotation mix-in that marks RTs as dontTouch
* Update src/main/scala/firrtl/transforms/OptimizationAnnotations.scala
Co-Authored-By: Albert Magyar <albert.magyar@gmail.com>
* Update src/test/scala/firrtlTests/DCETests.scala
Co-Authored-By: Albert Magyar <albert.magyar@gmail.com>
* Update src/main/scala/firrtl/transforms/OptimizationAnnotations.scala
* Update OptimizationAnnotations.scala
Co-authored-by: Albert Magyar <albert.magyar@gmail.com>
Diffstat (limited to 'src/main/scala/firrtl/transforms/ConstantPropagation.scala')
| -rw-r--r-- | src/main/scala/firrtl/transforms/ConstantPropagation.scala | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/main/scala/firrtl/transforms/ConstantPropagation.scala b/src/main/scala/firrtl/transforms/ConstantPropagation.scala index 201c3325..55c897b3 100644 --- a/src/main/scala/firrtl/transforms/ConstantPropagation.scala +++ b/src/main/scala/firrtl/transforms/ConstantPropagation.scala @@ -690,8 +690,12 @@ class ConstantPropagation extends Transform with ResolvedAnnotationPaths { } def execute(state: CircuitState): CircuitState = { - val dontTouches: Seq[(OfModule, String)] = state.annotations.collect { - case DontTouchAnnotation(Target(_, Some(m), Seq(Ref(c)))) => m.OfModule -> c + val dontTouchRTs = state.annotations.flatMap { + case anno: HasDontTouches => anno.dontTouches + case o => Nil + } + val dontTouches: Seq[(OfModule, String)] = dontTouchRTs.map { + case Target(_, Some(m), Seq(Ref(c))) => m.OfModule -> c } // Map from module name to component names val dontTouchMap: Map[OfModule, Set[String]] = |