Replacing copyins and copyouts with data-movement instructions

[ghc-hetmet.git] / compiler / cmm / Cmm.hs

diff --git a/compiler/cmm/Cmm.hs b/compiler/cmm/Cmm.hs
index 2d13c45..38dc5b3 100644 (file)
--- a/compiler/cmm/Cmm.hs
+++ b/compiler/cmm/Cmm.hs
@@ -23,14 +23,11 @@ module Cmm (
        CmmCallTarget(..),
        CmmStatic(..), Section(..),
         module CmmExpr,
-
-        BlockId(..), mkBlockId,
-        BlockEnv, emptyBlockEnv, lookupBlockEnv, extendBlockEnv, mkBlockEnv,
-        BlockSet, emptyBlockSet, elemBlockSet, extendBlockSet,
   ) where
 
 #include "HsVersions.h"
 
+import BlockId
 import CmmExpr
 import MachOp
 import CLabel
@@ -42,10 +39,6 @@ import FastString
 
 import Data.Word
 
-import StackSlot (     BlockId(..), mkBlockId
-                 , BlockEnv, emptyBlockEnv, lookupBlockEnv, extendBlockEnv, mkBlockEnv
-                 , BlockSet, emptyBlockSet, elemBlockSet, extendBlockSet
-                 )
 
 -- A [[BlockId]] is a local label.
 -- Local labels must be unique within an entire compilation unit, not
@@ -277,7 +270,6 @@ instance UserOfLocalRegs CmmCallTarget where
 instance DefinerOfLocalRegs a => DefinerOfLocalRegs (CmmKinded a) where
   foldRegsDefd f z (CmmKinded x _) = foldRegsDefd f z x
 
-
 --just look like a tuple, since it was a tuple before
 -- ... is that a good idea? --Isaac Dupree
 instance (Outputable a) => Outputable (CmmKinded a) where