diff options
Diffstat (limited to 'src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala')
| -rw-r--r-- | src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala b/src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala index 35bd86ce..f58572b1 100644 --- a/src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala +++ b/src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala @@ -36,12 +36,12 @@ import annotation.tailrec object CommonSubexpressionElimination extends Pass { def name = "Common Subexpression Elimination" - private def cseOnce(s: Stmt): (Stmt, Long) = { + private def cseOnce(s: Statement): (Statement, Long) = { var nEliminated = 0L val expressions = collection.mutable.HashMap[MemoizedHash[Expression], String]() val nodes = collection.mutable.HashMap[String, Expression]() - def recordNodes(s: Stmt): Stmt = s match { + def recordNodes(s: Statement): Statement = s match { case x: DefNode => nodes(x.name) = x.value expressions.getOrElseUpdate(x.value, x.name) @@ -62,14 +62,14 @@ object CommonSubexpressionElimination extends Pass { case _ => e map eliminateNodeRef } - def eliminateNodeRefs(s: Stmt): Stmt = s map eliminateNodeRefs map eliminateNodeRef + def eliminateNodeRefs(s: Statement): Statement = s map eliminateNodeRefs map eliminateNodeRef recordNodes(s) (eliminateNodeRefs(s), nEliminated) } @tailrec - private def cse(s: Stmt): Stmt = { + private def cse(s: Statement): Statement = { val (res, n) = cseOnce(s) if (n > 0) cse(res) else res } |
