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-rw-r--r--compiler/GHC/Cmm/Dataflow/Block.hs4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/GHC/Cmm/Dataflow/Block.hs b/compiler/GHC/Cmm/Dataflow/Block.hs
index f3876e241c..1927ae4a5a 100644
--- a/compiler/GHC/Cmm/Dataflow/Block.hs
+++ b/compiler/GHC/Cmm/Dataflow/Block.hs
@@ -17,6 +17,7 @@ module GHC.Cmm.Dataflow.Block
, blockCons
, blockFromList
, blockJoin
+ , blockJoinList
, blockJoinHead
, blockJoinTail
, blockSnoc
@@ -133,6 +134,9 @@ blockJoinTail b t = b `cat` BlockOC BNil t
blockJoin :: n C O -> Block n O O -> n O C -> Block n C C
blockJoin f b t = BlockCC f b t
+blockJoinList :: n C O -> [n O O] -> n O C -> Block n C C
+blockJoinList f b t = BlockCC f (blockFromList b) t
+
blockAppend :: Block n e O -> Block n O x -> Block n e x
blockAppend = cat