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-rw-r--r--src/compiler/scala/tools/nsc/backend/icode/analysis/TypeFlowAnalysis.scala22
1 files changed, 0 insertions, 22 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/icode/analysis/TypeFlowAnalysis.scala b/src/compiler/scala/tools/nsc/backend/icode/analysis/TypeFlowAnalysis.scala
index 5d81109ac9..cdf2788284 100644
--- a/src/compiler/scala/tools/nsc/backend/icode/analysis/TypeFlowAnalysis.scala
+++ b/src/compiler/scala/tools/nsc/backend/icode/analysis/TypeFlowAnalysis.scala
@@ -546,9 +546,6 @@ abstract class TypeFlowAnalysis {
relevantBBs ++= blocks
}
- /* the argument is also included in the result */
- private def transitivePreds(b: BasicBlock): Set[BasicBlock] = { transitivePreds(List(b)) }
-
/* those BBs in the argument are also included in the result */
private def transitivePreds(starters: Traversable[BasicBlock]): Set[BasicBlock] = {
val result = mutable.Set.empty[BasicBlock]
@@ -562,19 +559,6 @@ abstract class TypeFlowAnalysis {
result.toSet
}
- /* those BBs in the argument are also included in the result */
- private def transitiveSuccs(starters: Traversable[BasicBlock]): Set[BasicBlock] = {
- val result = mutable.Set.empty[BasicBlock]
- var toVisit: List[BasicBlock] = starters.toList.distinct
- while(toVisit.nonEmpty) {
- val h = toVisit.head
- toVisit = toVisit.tail
- result += h
- for(p <- h.successors; if !result(p) && !toVisit.contains(p)) { toVisit = p :: toVisit }
- }
- result.toSet
- }
-
/* A basic block B is "on the perimeter" of the current control-flow subgraph if none of its successors belongs to that subgraph.
* In that case, for the purposes of inlining, we're interested in the typestack right before the last inline candidate in B, not in those afterwards.
* In particular we can do without computing the outflow at B. */
@@ -685,12 +669,6 @@ abstract class TypeFlowAnalysis {
if(!worklist.contains(b)) { worklist += b }
}
- /* this is not a general purpose method to add to the worklist,
- * because the assert is expected to hold only when called from MTFAGrowable.reinit() */
- private def enqueue(bs: Traversable[BasicBlock]) {
- bs foreach enqueue
- }
-
private def blankOut(blocks: scala.collection.Set[BasicBlock]) {
blocks foreach { b =>
in(b) = typeFlowLattice.bottom