Module hierarchy: Cmm (cf #13009)

aclocal.m4

@@ -999,7 +999,7 @@ else
 fi;
 changequote([, ])dnl
 ])
-if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs
+if test ! -f compiler/parser/Parser.hs || test ! -f compiler/GHC/Cmm/Parser.hs
 then
     FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.19.10],
       [AC_MSG_ERROR([Happy version 1.19.10 or later is required to compile GHC.])])[]

compiler/cmm/Cmm.hs → compiler/GHC/Cmm.hs

 -- Cmm representations using Hoopl's Graph CmmNode e x.
 {-# LANGUAGE GADTs #-}
 
-module Cmm (
+module GHC.Cmm (
      -- * Cmm top-level datatypes
      CmmProgram, CmmGroup, GenCmmGroup,
      CmmDecl, GenCmmDecl(..),
@@ -21,23 +21,23 @@ module Cmm (
      ProfilingInfo(..), ConstrDescription,
 
      -- * Statements, expressions and types
-     module CmmNode,
-     module CmmExpr,
+     module GHC.Cmm.Node,
+     module GHC.Cmm.Expr,
   ) where
 
 import GhcPrelude
 
 import Id
 import CostCentre
-import CLabel
-import BlockId
-import CmmNode
-import SMRep
-import CmmExpr
-import Hoopl.Block
-import Hoopl.Collections
-import Hoopl.Graph
-import Hoopl.Label
+import GHC.Cmm.CLabel
+import GHC.Cmm.BlockId
+import GHC.Cmm.Node
+import GHC.Runtime.Layout
+import GHC.Cmm.Expr
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Collections
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Label
 import Outputable
 import Data.ByteString (ByteString)
 
@@ -126,7 +126,7 @@ data CmmStackInfo
                -- used by the stack allocator later.
        updfr_space :: Maybe ByteOff,
                -- XXX: this never contains anything useful, but it should.
-               -- See comment in CmmLayoutStack.
+               -- See comment in GHC.Cmm.LayoutStack.
        do_layout :: Bool
                -- Do automatic stack layout for this proc.  This is
                -- True for all code generated by the code generator,
@@ -149,13 +149,13 @@ data CmmInfoTable
         -- the code generator, because we might want to add SRT
         -- entries to them later (for FUNs at least; THUNKs are
         -- treated the same for consistency). See Note [SRTs] in
-        -- CmmBuildInfoTables, in particular the [FUN] optimisation.
+        -- GHC.Cmm.Info.Build, in particular the [FUN] optimisation.
         --
         -- This is strictly speaking not a part of the info table that
         -- will be finally generated, but it's the only convenient
         -- place to convey this information from the code generator to
         -- where we build the static closures in
-        -- CmmBuildInfoTables.doSRTs.
+        -- GHC.Cmm.Info.Build.doSRTs.
     }
 
 data ProfilingInfo

compiler/cmm/BlockId.hs → compiler/GHC/Cmm/BlockId.hs

@@ -2,7 +2,7 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
 {- BlockId module should probably go away completely, being superseded by Label -}
-module BlockId
+module GHC.Cmm.BlockId
   ( BlockId, mkBlockId -- ToDo: BlockId should be abstract, but it isn't yet
   , newBlockId
   , blockLbl, infoTblLbl
@@ -10,13 +10,13 @@ module BlockId
 
 import GhcPrelude
 
-import CLabel
+import GHC.Cmm.CLabel
 import IdInfo
 import Name
 import Unique
 import UniqSupply
 
-import Hoopl.Label (Label, mkHooplLabel)
+import GHC.Cmm.Dataflow.Label (Label, mkHooplLabel)
 
 ----------------------------------------------------------------
 --- Block Ids, their environments, and their sets

compiler/cmm/BlockId.hs-boot → compiler/GHC/Cmm/BlockId.hs-boot

-module BlockId (BlockId, mkBlockId) where
+module GHC.Cmm.BlockId (BlockId, mkBlockId) where
 
-import Hoopl.Label (Label)
+import GHC.Cmm.Dataflow.Label (Label)
 import Unique (Unique)
 
 type BlockId = Label

compiler/cmm/CLabel.hs → compiler/GHC/Cmm/CLabel.hs

@@ -8,7 +8,7 @@
 
 {-# LANGUAGE CPP #-}
 
-module CLabel (
+module GHC.Cmm.CLabel (
         CLabel, -- abstract type
         ForeignLabelSource(..),
         pprDebugCLabel,
@@ -115,7 +115,7 @@ import GhcPrelude
 
 import IdInfo
 import BasicTypes
-import {-# SOURCE #-} BlockId (BlockId, mkBlockId)
+import {-# SOURCE #-} GHC.Cmm.BlockId (BlockId, mkBlockId)
 import Packages
 import Module
 import Name
@@ -746,7 +746,7 @@ hasCAF _                            = False
 
 -- Until 14 Feb 2013, every ticky counter was associated with a
 -- closure. Thus, ticky labels used IdLabel. It is odd that
--- CmmBuildInfoTables.cafTransfers would consider such a ticky label
+-- GHC.Cmm.Info.Build.cafTransfers would consider such a ticky label
 -- reason to add the name to the CAFEnv (and thus eventually the SRT),
 -- but it was harmless because the ticky was only used if the closure
 -- was also.

compiler/cmm/CmmCallConv.hs → compiler/GHC/Cmm/CallConv.hs

-module CmmCallConv (
+module GHC.Cmm.CallConv (
   ParamLocation(..),
   assignArgumentsPos,
   assignStack,
@@ -7,10 +7,10 @@ module CmmCallConv (
 
 import GhcPrelude
 
-import CmmExpr
-import SMRep
-import Cmm (Convention(..))
-import PprCmm () -- For Outputable instances
+import GHC.Cmm.Expr
+import GHC.Runtime.Layout
+import GHC.Cmm (Convention(..))
+import GHC.Cmm.Ppr () -- For Outputable instances
 
 import DynFlags
 import GHC.Platform

compiler/cmm/CmmCommonBlockElim.hs → compiler/GHC/Cmm/CommonBlockElim.hs

 {-# LANGUAGE GADTs, BangPatterns, ScopedTypeVariables #-}
 
-module CmmCommonBlockElim
+module GHC.Cmm.CommonBlockElim
   ( elimCommonBlocks
   )
 where
@@ -8,16 +8,16 @@ where
 
 import GhcPrelude hiding (iterate, succ, unzip, zip)
 
-import BlockId
-import Cmm
-import CmmUtils
-import CmmSwitch (eqSwitchTargetWith)
-import CmmContFlowOpt
+import GHC.Cmm.BlockId
+import GHC.Cmm
+import GHC.Cmm.Utils
+import GHC.Cmm.Switch (eqSwitchTargetWith)
+import GHC.Cmm.ContFlowOpt
 
-import Hoopl.Block
-import Hoopl.Graph
-import Hoopl.Label
-import Hoopl.Collections
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Label
+import GHC.Cmm.Dataflow.Collections
 import Data.Bits
 import Data.Maybe (mapMaybe)
 import qualified Data.List as List

compiler/cmm/CmmContFlowOpt.hs → compiler/GHC/Cmm/ContFlowOpt.hs

 {-# LANGUAGE GADTs #-}
 {-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -fno-warn-incomplete-patterns #-}
-module CmmContFlowOpt
+module GHC.Cmm.ContFlowOpt
     ( cmmCfgOpts
     , cmmCfgOptsProc
     , removeUnreachableBlocksProc
@@ -11,14 +11,14 @@ where
 
 import GhcPrelude hiding (succ, unzip, zip)
 
-import Hoopl.Block
-import Hoopl.Collections
-import Hoopl.Graph
-import Hoopl.Label
-import BlockId
-import Cmm
-import CmmUtils
-import CmmSwitch (mapSwitchTargets, switchTargetsToList)
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Collections
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Label
+import GHC.Cmm.BlockId
+import GHC.Cmm
+import GHC.Cmm.Utils
+import GHC.Cmm.Switch (mapSwitchTargets, switchTargetsToList)
 import Maybes
 import Panic
 import Util

compiler/cmm/Hoopl/Dataflow.hs → compiler/GHC/Cmm/Dataflow.hs

@@ -17,7 +17,7 @@
 -- specialised to the UniqSM monad.
 --
 
-module Hoopl.Dataflow
+module GHC.Cmm.Dataflow
   ( C, O, Block
   , lastNode, entryLabel
   , foldNodesBwdOO
@@ -36,7 +36,7 @@ where
 
 import GhcPrelude
 
-import Cmm
+import GHC.Cmm
 import UniqSupply
 
 import Data.Array
@@ -44,10 +44,10 @@ import Data.Maybe
 import Data.IntSet (IntSet)
 import qualified Data.IntSet as IntSet
 
-import Hoopl.Block
-import Hoopl.Graph
-import Hoopl.Collections
-import Hoopl.Label
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Collections
+import GHC.Cmm.Dataflow.Label
 
 type family   Fact (x :: Extensibility) f :: *
 type instance Fact C f = FactBase f

compiler/cmm/Hoopl/Block.hs → compiler/GHC/Cmm/Dataflow/Block.hs

@@ -6,7 +6,7 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE StandaloneDeriving #-}
 {-# LANGUAGE TypeFamilies #-}
-module Hoopl.Block
+module GHC.Cmm.Dataflow.Block
     ( Extensibility (..)
     , O
     , C

compiler/cmm/Hoopl/Collections.hs → compiler/GHC/Cmm/Dataflow/Collections.hs

@@ -4,7 +4,7 @@
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
 
-module Hoopl.Collections
+module GHC.Cmm.Dataflow.Collections
     ( IsSet(..)
     , setInsertList, setDeleteList, setUnions
     , IsMap(..)

compiler/cmm/Hoopl/Graph.hs → compiler/GHC/Cmm/Dataflow/Graph.hs

@@ -5,7 +5,7 @@
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TypeFamilies #-}
-module Hoopl.Graph
+module GHC.Cmm.Dataflow.Graph
     ( Body
     , Graph
     , Graph'(..)
@@ -23,9 +23,9 @@ module Hoopl.Graph
 import GhcPrelude
 import Util
 
-import Hoopl.Label
-import Hoopl.Block
-import Hoopl.Collections
+import GHC.Cmm.Dataflow.Label
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Collections
 
 -- | A (possibly empty) collection of closed/closed blocks
 type Body n = LabelMap (Block n C C)

compiler/cmm/Hoopl/Label.hs → compiler/GHC/Cmm/Dataflow/Label.hs

@@ -4,7 +4,7 @@
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
 
-module Hoopl.Label
+module GHC.Cmm.Dataflow.Label
     ( Label
     , LabelMap
     , LabelSet
@@ -18,7 +18,7 @@ import GhcPrelude
 import Outputable
 
 -- TODO: This should really just use GHC's Unique and Uniq{Set,FM}
-import Hoopl.Collections
+import GHC.Cmm.Dataflow.Collections
 
 import Unique (Uniquable(..))
 import TrieMap

compiler/cmm/Debug.hs → compiler/GHC/Cmm/DebugBlock.hs

@@ -10,7 +10,7 @@
 --
 -----------------------------------------------------------------------------
 
-module Debug (
+module GHC.Cmm.DebugBlock (
 
   DebugBlock(..),
   cmmDebugGen,
@@ -25,22 +25,22 @@ module Debug (
 
 import GhcPrelude
 
-import BlockId
-import CLabel
-import Cmm
-import CmmUtils
+import GHC.Cmm.BlockId
+import GHC.Cmm.CLabel
+import GHC.Cmm
+import GHC.Cmm.Utils
 import CoreSyn
 import FastString      ( nilFS, mkFastString )
 import Module
 import Outputable
-import PprCmmExpr      ( pprExpr )
+import GHC.Cmm.Ppr.Expr ( pprExpr )
 import SrcLoc
 import Util            ( seqList )
 
-import Hoopl.Block
-import Hoopl.Collections
-import Hoopl.Graph
-import Hoopl.Label
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Collections
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Label
 
 import Data.Maybe
 import Data.List     ( minimumBy, nubBy )
@@ -316,7 +316,7 @@ with a typical C-- procedure as would come from the STG-to-Cmm code generator,
   },
 
 Let's consider how this procedure will be decorated with unwind information
-(largely by CmmLayoutStack). Naturally, when we enter the procedure `entry` the
+(largely by GHC.Cmm.LayoutStack). Naturally, when we enter the procedure `entry` the
 value of Sp is no different from what it was at its call site. Therefore we will
 add an `unwind` statement saying this at the beginning of its unwind-annotated
 code,
@@ -369,7 +369,7 @@ The flow of unwinding information through the compiler is a bit convoluted:
    haven't actually done any register assignment or stack layout yet, so there
    is no need for unwind information.
 
- * CmmLayoutStack figures out how to layout each procedure's stack, and produces
+ * GHC.Cmm.LayoutStack figures out how to layout each procedure's stack, and produces
    appropriate unwinding nodes for each adjustment of the STG Sp register.
 
  * The unwind nodes are carried through the sinking pass. Currently this is

compiler/cmm/CmmExpr.hs → compiler/GHC/Cmm/Expr.hs

@@ -4,7 +4,7 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE UndecidableInstances #-}
 
-module CmmExpr
+module GHC.Cmm.Expr
     ( CmmExpr(..), cmmExprType, cmmExprWidth, cmmExprAlignment, maybeInvertCmmExpr
     , CmmReg(..), cmmRegType, cmmRegWidth
     , CmmLit(..), cmmLitType
@@ -25,17 +25,17 @@ module CmmExpr
     , regSetToList
 
     , Area(..)
-    , module CmmMachOp
-    , module CmmType
+    , module GHC.Cmm.MachOp
+    , module GHC.Cmm.Type
     )
 where
 
 import GhcPrelude
 
-import BlockId
-import CLabel
-import CmmMachOp
-import CmmType
+import GHC.Cmm.BlockId
+import GHC.Cmm.CLabel
+import GHC.Cmm.MachOp
+import GHC.Cmm.Type
 import DynFlags
 import Outputable (panic)
 import Unique
@@ -83,7 +83,7 @@ data CmmReg
 data Area
   = Old            -- See Note [Old Area]
   | Young {-# UNPACK #-} !BlockId  -- Invariant: must be a continuation BlockId
-                   -- See Note [Continuation BlockId] in CmmNode.
+                   -- See Note [Continuation BlockId] in GHC.Cmm.Node.
   deriving (Eq, Ord)
 
 {- Note [Old Area]
@@ -200,7 +200,7 @@ data CmmLit
 
   | CmmBlock {-# UNPACK #-} !BlockId     -- Code label
         -- Invariant: must be a continuation BlockId
-        -- See Note [Continuation BlockId] in CmmNode.
+        -- See Note [Continuation BlockId] in GHC.Cmm.Node.
 
   | CmmHighStackMark -- A late-bound constant that stands for the max
                      -- #bytes of stack space used during a procedure.
@@ -408,7 +408,7 @@ There are no specific rules about which registers might overlap with
 which other registers, but presumably it's safe to assume that nothing
 will overlap with special registers like Sp or BaseReg.
 
-Use CmmUtils.regsOverlap to determine whether two GlobalRegs overlap
+Use GHC.Cmm.Utils.regsOverlap to determine whether two GlobalRegs overlap
 on a particular platform. The instance Eq GlobalReg is syntactic
 equality of STG registers and does not take overlap into
 account. However it is still used in UserOfRegs/DefinerOfRegs and

compiler/cmm/MkGraph.hs → compiler/GHC/Cmm/Graph.hs

 {-# LANGUAGE BangPatterns, GADTs #-}
 
-module MkGraph
+module GHC.Cmm.Graph
   ( CmmAGraph, CmmAGraphScoped, CgStmt(..)
   , (<*>), catAGraphs
   , mkLabel, mkMiddle, mkLast, outOfLine
@@ -23,19 +23,19 @@ where
 
 import GhcPrelude hiding ( (<*>) ) -- avoid importing (<*>)
 
-import BlockId
-import Cmm
-import CmmCallConv
-import CmmSwitch (SwitchTargets)
+import GHC.Cmm.BlockId
+import GHC.Cmm
+import GHC.Cmm.CallConv
+import GHC.Cmm.Switch (SwitchTargets)
 
-import Hoopl.Block
-import Hoopl.Graph
-import Hoopl.Label
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Label
 import DynFlags
 import FastString
 import ForeignCall
 import OrdList
-import SMRep (ByteOff)
+import GHC.Runtime.Layout (ByteOff)
 import UniqSupply
 import Util
 import Panic

compiler/cmm/CmmInfo.hs → compiler/GHC/Cmm/Info.hs

 {-# LANGUAGE CPP #-}
-module CmmInfo (
+module GHC.Cmm.Info (
   mkEmptyContInfoTable,
   cmmToRawCmm,
   mkInfoTable,
@@ -36,14 +36,14 @@ module CmmInfo (
 
 import GhcPrelude
 
-import Cmm
-import CmmUtils
-import CLabel
-import SMRep
-import Bitmap
+import GHC.Cmm
+import GHC.Cmm.Utils
+import GHC.Cmm.CLabel
+import GHC.Runtime.Layout
+import GHC.Data.Bitmap
 import Stream (Stream)
 import qualified Stream
-import Hoopl.Collections
+import GHC.Cmm.Dataflow.Collections
 
 import GHC.Platform
 import Maybes
@@ -281,7 +281,7 @@ mkSRTLit dflags _ (Just lbl) = ([CmmLabel lbl], CmmInt 1 (halfWordWidth dflags))
 -- | Is the SRT offset field inline in the info table on this platform?
 --
 -- See the section "Referring to an SRT from the info table" in
--- Note [SRTs] in CmmBuildInfoTables.hs
+-- Note [SRTs] in GHC.Cmm.Info.Build
 inlineSRT :: DynFlags -> Bool
 inlineSRT dflags = platformArch (targetPlatform dflags) == ArchX86_64
   && tablesNextToCode dflags

compiler/cmm/CmmBuildInfoTables.hs → compiler/GHC/Cmm/Info/Build.hs

 {-# LANGUAGE GADTs, BangPatterns, RecordWildCards,
     GeneralizedNewtypeDeriving, NondecreasingIndentation, TupleSections #-}
 
-module CmmBuildInfoTables
+module GHC.Cmm.Info.Build
   ( CAFSet, CAFEnv, cafAnal
   , doSRTs, ModuleSRTInfo, emptySRT
   ) where
@@ -9,22 +9,22 @@ module CmmBuildInfoTables
 import GhcPrelude hiding (succ)
 
 import Id
-import BlockId
-import Hoopl.Block
-import Hoopl.Graph
-import Hoopl.Label
-import Hoopl.Collections
-import Hoopl.Dataflow
+import GHC.Cmm.BlockId
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Label
+import GHC.Cmm.Dataflow.Collections
+import GHC.Cmm.Dataflow
 import Module
 import GHC.Platform
 import Digraph
-import CLabel
-import Cmm
-import CmmUtils
+import GHC.Cmm.CLabel
+import GHC.Cmm
+import GHC.Cmm.Utils
 import DynFlags
 import Maybes
 import Outputable
-import SMRep
+import GHC.Runtime.Layout
 import UniqSupply
 import CostCentre
 import GHC.StgToCmm.Heap

compiler/cmm/CmmLayoutStack.hs → compiler/GHC/Cmm/LayoutStack.hs

 {-# LANGUAGE BangPatterns, RecordWildCards, GADTs #-}
-module CmmLayoutStack (
+module GHC.Cmm.LayoutStack (
        cmmLayoutStack, setInfoTableStackMap
   ) where
 
@@ -9,21 +9,21 @@ import GHC.StgToCmm.Utils      ( callerSaveVolatileRegs, newTemp  ) -- XXX layer
 import GHC.StgToCmm.Foreign    ( saveThreadState, loadThreadState ) -- XXX layering violation
 
 import BasicTypes
-import Cmm
-import CmmInfo
-import BlockId
-import CLabel
-import CmmUtils
-import MkGraph
+import GHC.Cmm
+import GHC.Cmm.Info
+import GHC.Cmm.BlockId
+import GHC.Cmm.CLabel
+import GHC.Cmm.Utils
+import GHC.Cmm.Graph
 import ForeignCall
-import CmmLive
-import CmmProcPoint
-import SMRep
-import Hoopl.Block
-import Hoopl.Collections
-import Hoopl.Dataflow
-import Hoopl.Graph
-import Hoopl.Label
+import GHC.Cmm.Liveness
+import GHC.Cmm.ProcPoint
+import GHC.Runtime.Layout
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Collections
+import GHC.Cmm.Dataflow
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Label
 import UniqSupply
 import Maybes
 import UniqFM

compiler/cmm/CmmLex.x → compiler/GHC/Cmm/Lexer.x

@@ -11,16 +11,16 @@
 -----------------------------------------------------------------------------
 
 {
-module CmmLex (
+module GHC.Cmm.Lexer (
    CmmToken(..), cmmlex,
   ) where
 
 import GhcPrelude
 
-import CmmExpr
+import GHC.Cmm.Expr
 
 import Lexer
-import CmmMonad
+import GHC.Cmm.Monad
 import SrcLoc
 import UniqFM
 import StringBuffer

compiler/cmm/CmmLint.hs → compiler/GHC/Cmm/Lint.hs

@@ -7,28 +7,28 @@
 -----------------------------------------------------------------------------
 {-# LANGUAGE DeriveFunctor #-}
 {-# LANGUAGE GADTs #-}
-module CmmLint (
+module GHC.Cmm.Lint (
     cmmLint, cmmLintGraph
   ) where
 
 import GhcPrelude
 
-import Hoopl.Block
-import Hoopl.Collections
-import Hoopl.Graph
-import Hoopl.Label
-import Cmm
-import CmmUtils
-import CmmLive
-import CmmSwitch (switchTargetsToList)
-import PprCmm () -- For Outputable instances
+import GHC.Cmm.Dataflow.Block
+import GHC.Cmm.Dataflow.Collections
+import GHC.Cmm.Dataflow.Graph
+import GHC.Cmm.Dataflow.Label
+import GHC.Cmm
+import GHC.Cmm.Utils
+import GHC.Cmm.Liveness
+import GHC.Cmm.Switch (switchTargetsToList)
+import GHC.Cmm.Ppr () -- For Outputable instances
 import Outputable
 import DynFlags
 
 import Control.Monad (ap)
 
 -- Things to check:
---     - invariant on CmmBlock in CmmExpr (see comment there)
+--     - invariant on CmmBlock in GHC.Cmm.Expr (see comment there)
 --     - check for branches to blocks that don't exist
 --     - check types
 

compiler/cmm/CmmLive.hs → compiler/GHC/Cmm/Liveness.hs

@@ -3,7 +3,7 @@
 {-# LANGUAGE GADTs #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 
-module CmmLive
+module GHC.Cmm.Liveness
     ( CmmLocalLive
     , cmmLocalLiveness
     , cmmGlobalLiveness
@@ -15,13 +15,13 @@ where
 import GhcPrelude
 
 import DynFlags
-import BlockId
-import Cmm
-import PprCmmExpr () -- For Outputable instances
-import Hoopl.Block
-import Hoopl.Collections
-import Hoopl.Dataflow
-import Hoopl.Label
+import GHC.Cmm.BlockId
+import GHC.Cmm
+import GHC.Cmm.Ppr.Expr () -- For Outputable instances
+import