3 files changed, 3 insertions, 1 deletions
diff --git a/compiler/nativeGen/RegAlloc/Graph/Spill.hs b/compiler/nativeGen/RegAlloc/Graph/Spill.hs
index 445f416187..0704e53102 100644
--- a/compiler/nativeGen/RegAlloc/Graph/Spill.hs
+++ b/compiler/nativeGen/RegAlloc/Graph/Spill.hs
@@ -12,6 +12,7 @@ import Instruction
 import Reg
 import Cmm hiding (RegSet)
 import BlockId
+import Hoopl
 
 import MonadUtils
 import State
diff --git a/compiler/nativeGen/RegAlloc/Graph/SpillClean.hs b/compiler/nativeGen/RegAlloc/Graph/SpillClean.hs
index c75bcebb7b..03da772819 100644
--- a/compiler/nativeGen/RegAlloc/Graph/SpillClean.hs
+++ b/compiler/nativeGen/RegAlloc/Graph/SpillClean.hs
@@ -33,6 +33,7 @@ import Instruction
 import Reg
 
 import BlockId
+import Hoopl
 import Cmm
 import UniqSet
 import UniqFM
diff --git a/compiler/nativeGen/RegAlloc/Graph/SpillCost.hs b/compiler/nativeGen/RegAlloc/Graph/SpillCost.hs
index 198be622e1..efa1cd11e2 100644
--- a/compiler/nativeGen/RegAlloc/Graph/SpillCost.hs
+++ b/compiler/nativeGen/RegAlloc/Graph/SpillCost.hs
@@ -20,7 +20,7 @@ import Reg
 
 import GraphBase
 
-import BlockId
+import Hoopl (mapLookup)
 import Cmm
 import UniqFM
 import UniqSet