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-rw-r--r--src/main/scala/firrtl/passes/CommonSubexpressionElimination.scala8
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
}