From d66ff2357e59113ecf48c7d257edff429c4266e0 Mon Sep 17 00:00:00 2001 From: Schuyler Eldridge Date: Fri, 19 Jun 2020 01:11:15 -0400 Subject: Convert PreservesAll to explicit invalidates=false Signed-off-by: Schuyler Eldridge --- .../firrtl/transforms/FixAddingNegativeLiteralsTransform.scala | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'src/main/scala/firrtl/transforms/FixAddingNegativeLiteralsTransform.scala') diff --git a/src/main/scala/firrtl/transforms/FixAddingNegativeLiteralsTransform.scala b/src/main/scala/firrtl/transforms/FixAddingNegativeLiteralsTransform.scala index f6990082..a1e49d62 100644 --- a/src/main/scala/firrtl/transforms/FixAddingNegativeLiteralsTransform.scala +++ b/src/main/scala/firrtl/transforms/FixAddingNegativeLiteralsTransform.scala @@ -5,7 +5,7 @@ package firrtl.transforms import firrtl.{CircuitState, DependencyAPIMigration, Namespace, PrimOps, Transform, Utils, WRef} import firrtl.ir._ import firrtl.Mappers._ -import firrtl.options.{Dependency, PreservesAll} +import firrtl.options.Dependency import firrtl.PrimOps.{Add, AsSInt, Sub, Tail} import firrtl.stage.Forms @@ -107,7 +107,7 @@ object FixAddingNegativeLiterals { * the literal and thus not all expressions in the add are the same. This is fixed here when we directly * subtract the literal instead. */ -class FixAddingNegativeLiterals extends Transform with DependencyAPIMigration with PreservesAll[Transform] { +class FixAddingNegativeLiterals extends Transform with DependencyAPIMigration { override def prerequisites = Forms.LowFormMinimumOptimized :+ Dependency[BlackBoxSourceHelper] @@ -115,6 +115,8 @@ class FixAddingNegativeLiterals extends Transform with DependencyAPIMigration wi override def optionalPrerequisiteOf = Seq.empty + override def invalidates(a: Transform) = false + def execute(state: CircuitState): CircuitState = { val modulesx = state.circuit.modules.map(FixAddingNegativeLiterals.fixupModule) state.copy(circuit = state.circuit.copy(modules = modulesx)) -- cgit v1.2.3