{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TupleSections #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE UndecidableInstances #-}
module Futhark.IR.Aliases
(
Aliases,
AliasDec (..),
VarAliases,
ConsumedInExp,
BodyAliasing,
module Futhark.IR.Prop.Aliases,
module Futhark.IR.Prop,
module Futhark.IR.Traversals,
module Futhark.IR.Pretty,
module Futhark.IR.Syntax,
mkAliasedBody,
mkAliasedPat,
mkBodyAliasing,
removeProgAliases,
removeFunDefAliases,
removeExpAliases,
removeStmAliases,
removeBodyAliases,
removeLambdaAliases,
removePatAliases,
removeScopeAliases,
AliasesAndConsumed,
trackAliases,
mkStmsAliases,
consumedInStms,
)
where
import Control.Monad.Identity
import Control.Monad.Reader
import qualified Data.Map.Strict as M
import Data.Maybe
import Futhark.Analysis.Rephrase
import Futhark.Builder
import Futhark.IR.Pretty
import Futhark.IR.Prop
import Futhark.IR.Prop.Aliases
import Futhark.IR.Syntax
import Futhark.IR.Traversals
import Futhark.Transform.Rename
import Futhark.Transform.Substitute
import qualified Futhark.Util.Pretty as PP
data Aliases rep
newtype AliasDec = AliasDec {AliasDec -> Names
unAliases :: Names}
deriving (Int -> AliasDec -> ShowS
[AliasDec] -> ShowS
AliasDec -> String
(Int -> AliasDec -> ShowS)
-> (AliasDec -> String) -> ([AliasDec] -> ShowS) -> Show AliasDec
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [AliasDec] -> ShowS
$cshowList :: [AliasDec] -> ShowS
show :: AliasDec -> String
$cshow :: AliasDec -> String
showsPrec :: Int -> AliasDec -> ShowS
$cshowsPrec :: Int -> AliasDec -> ShowS
Show)
instance Semigroup AliasDec where
AliasDec
x <> :: AliasDec -> AliasDec -> AliasDec
<> AliasDec
y = Names -> AliasDec
AliasDec (Names -> AliasDec) -> Names -> AliasDec
forall a b. (a -> b) -> a -> b
$ AliasDec -> Names
unAliases AliasDec
x Names -> Names -> Names
forall a. Semigroup a => a -> a -> a
<> AliasDec -> Names
unAliases AliasDec
y
instance Monoid AliasDec where
mempty :: AliasDec
mempty = Names -> AliasDec
AliasDec Names
forall a. Monoid a => a
mempty
instance Eq AliasDec where
AliasDec
_ == :: AliasDec -> AliasDec -> Bool
== AliasDec
_ = Bool
True
instance Ord AliasDec where
AliasDec
_ compare :: AliasDec -> AliasDec -> Ordering
`compare` AliasDec
_ = Ordering
EQ
instance Rename AliasDec where
rename :: AliasDec -> RenameM AliasDec
rename (AliasDec Names
names) = Names -> AliasDec
AliasDec (Names -> AliasDec) -> RenameM Names -> RenameM AliasDec
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Names -> RenameM Names
forall a. Rename a => a -> RenameM a
rename Names
names
instance Substitute AliasDec where
substituteNames :: Map VName VName -> AliasDec -> AliasDec
substituteNames Map VName VName
substs (AliasDec Names
names) = Names -> AliasDec
AliasDec (Names -> AliasDec) -> Names -> AliasDec
forall a b. (a -> b) -> a -> b
$ Map VName VName -> Names -> Names
forall a. Substitute a => Map VName VName -> a -> a
substituteNames Map VName VName
substs Names
names
instance FreeIn AliasDec where
freeIn' :: AliasDec -> FV
freeIn' = FV -> AliasDec -> FV
forall a b. a -> b -> a
const FV
forall a. Monoid a => a
mempty
instance PP.Pretty AliasDec where
ppr :: AliasDec -> Doc
ppr = Doc -> Doc
PP.braces (Doc -> Doc) -> (AliasDec -> Doc) -> AliasDec -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [Doc] -> Doc
PP.commasep ([Doc] -> Doc) -> (AliasDec -> [Doc]) -> AliasDec -> Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (VName -> Doc) -> [VName] -> [Doc]
forall a b. (a -> b) -> [a] -> [b]
map VName -> Doc
forall a. Pretty a => a -> Doc
PP.ppr ([VName] -> [Doc]) -> (AliasDec -> [VName]) -> AliasDec -> [Doc]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Names -> [VName]
namesToList (Names -> [VName]) -> (AliasDec -> Names) -> AliasDec -> [VName]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. AliasDec -> Names
unAliases
type VarAliases = AliasDec
type ConsumedInExp = AliasDec
type BodyAliasing = ([VarAliases], ConsumedInExp)
instance (RepTypes rep, CanBeAliased (Op rep)) => RepTypes (Aliases rep) where
type LetDec (Aliases rep) = (VarAliases, LetDec rep)
type ExpDec (Aliases rep) = (ConsumedInExp, ExpDec rep)
type BodyDec (Aliases rep) = (BodyAliasing, BodyDec rep)
type FParamInfo (Aliases rep) = FParamInfo rep
type LParamInfo (Aliases rep) = LParamInfo rep
type RetType (Aliases rep) = RetType rep
type BranchType (Aliases rep) = BranchType rep
type Op (Aliases rep) = OpWithAliases (Op rep)
instance AliasesOf (VarAliases, dec) where
aliasesOf :: (AliasDec, dec) -> Names
aliasesOf = AliasDec -> Names
unAliases (AliasDec -> Names)
-> ((AliasDec, dec) -> AliasDec) -> (AliasDec, dec) -> Names
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (AliasDec, dec) -> AliasDec
forall a b. (a, b) -> a
fst
instance FreeDec AliasDec
withoutAliases ::
(HasScope (Aliases rep) m, Monad m) =>
ReaderT (Scope rep) m a ->
m a
withoutAliases :: ReaderT (Scope rep) m a -> m a
withoutAliases ReaderT (Scope rep) m a
m = do
Scope rep
scope <- (Scope (Aliases rep) -> Scope rep) -> m (Scope rep)
forall rep (m :: * -> *) a.
HasScope rep m =>
(Scope rep -> a) -> m a
asksScope Scope (Aliases rep) -> Scope rep
forall rep. Scope (Aliases rep) -> Scope rep
removeScopeAliases
ReaderT (Scope rep) m a -> Scope rep -> m a
forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT ReaderT (Scope rep) m a
m Scope rep
scope
instance (ASTRep rep, CanBeAliased (Op rep)) => ASTRep (Aliases rep) where
expTypesFromPat :: Pat (LetDec (Aliases rep)) -> m [BranchType (Aliases rep)]
expTypesFromPat =
ReaderT (Scope rep) m [BranchType rep] -> m [BranchType rep]
forall rep (m :: * -> *) a.
(HasScope (Aliases rep) m, Monad m) =>
ReaderT (Scope rep) m a -> m a
withoutAliases (ReaderT (Scope rep) m [BranchType rep] -> m [BranchType rep])
-> (Pat (AliasDec, LetDec rep)
-> ReaderT (Scope rep) m [BranchType rep])
-> Pat (AliasDec, LetDec rep)
-> m [BranchType rep]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Pat (LetDec rep) -> ReaderT (Scope rep) m [BranchType rep]
forall rep (m :: * -> *).
(ASTRep rep, HasScope rep m, Monad m) =>
Pat (LetDec rep) -> m [BranchType rep]
expTypesFromPat (Pat (LetDec rep) -> ReaderT (Scope rep) m [BranchType rep])
-> (Pat (AliasDec, LetDec rep) -> Pat (LetDec rep))
-> Pat (AliasDec, LetDec rep)
-> ReaderT (Scope rep) m [BranchType rep]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Pat (AliasDec, LetDec rep) -> Pat (LetDec rep)
forall a. Pat (AliasDec, a) -> Pat a
removePatAliases
instance (ASTRep rep, CanBeAliased (Op rep)) => Aliased (Aliases rep) where
bodyAliases :: Body (Aliases rep) -> [Names]
bodyAliases = (AliasDec -> Names) -> [AliasDec] -> [Names]
forall a b. (a -> b) -> [a] -> [b]
map AliasDec -> Names
unAliases ([AliasDec] -> [Names])
-> (Body (Aliases rep) -> [AliasDec])
-> Body (Aliases rep)
-> [Names]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ([AliasDec], AliasDec) -> [AliasDec]
forall a b. (a, b) -> a
fst (([AliasDec], AliasDec) -> [AliasDec])
-> (Body (Aliases rep) -> ([AliasDec], AliasDec))
-> Body (Aliases rep)
-> [AliasDec]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (([AliasDec], AliasDec), BodyDec rep) -> ([AliasDec], AliasDec)
forall a b. (a, b) -> a
fst ((([AliasDec], AliasDec), BodyDec rep) -> ([AliasDec], AliasDec))
-> (Body (Aliases rep) -> (([AliasDec], AliasDec), BodyDec rep))
-> Body (Aliases rep)
-> ([AliasDec], AliasDec)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Body (Aliases rep) -> (([AliasDec], AliasDec), BodyDec rep)
forall rep. Body rep -> BodyDec rep
bodyDec
consumedInBody :: Body (Aliases rep) -> Names
consumedInBody = AliasDec -> Names
unAliases (AliasDec -> Names)
-> (Body (Aliases rep) -> AliasDec) -> Body (Aliases rep) -> Names
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ([AliasDec], AliasDec) -> AliasDec
forall a b. (a, b) -> b
snd (([AliasDec], AliasDec) -> AliasDec)
-> (Body (Aliases rep) -> ([AliasDec], AliasDec))
-> Body (Aliases rep)
-> AliasDec
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (([AliasDec], AliasDec), BodyDec rep) -> ([AliasDec], AliasDec)
forall a b. (a, b) -> a
fst ((([AliasDec], AliasDec), BodyDec rep) -> ([AliasDec], AliasDec))
-> (Body (Aliases rep) -> (([AliasDec], AliasDec), BodyDec rep))
-> Body (Aliases rep)
-> ([AliasDec], AliasDec)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Body (Aliases rep) -> (([AliasDec], AliasDec), BodyDec rep)
forall rep. Body rep -> BodyDec rep
bodyDec
instance (ASTRep rep, CanBeAliased (Op rep)) => PrettyRep (Aliases rep) where
ppExpDec :: ExpDec (Aliases rep) -> Exp (Aliases rep) -> Maybe Doc
ppExpDec (consumed, inner) Exp (Aliases rep)
e =
[Doc] -> Maybe Doc
maybeComment ([Doc] -> Maybe Doc)
-> ([Maybe Doc] -> [Doc]) -> [Maybe Doc] -> Maybe Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [Maybe Doc] -> [Doc]
forall a. [Maybe a] -> [a]
catMaybes ([Maybe Doc] -> Maybe Doc) -> [Maybe Doc] -> Maybe Doc
forall a b. (a -> b) -> a -> b
$
[Maybe Doc
exp_dec, Maybe Doc
merge_dec, ExpDec rep -> Exp rep -> Maybe Doc
forall rep. PrettyRep rep => ExpDec rep -> Exp rep -> Maybe Doc
ppExpDec ExpDec rep
inner (Exp rep -> Maybe Doc) -> Exp rep -> Maybe Doc
forall a b. (a -> b) -> a -> b
$ Exp (Aliases rep) -> Exp rep
forall rep. CanBeAliased (Op rep) => Exp (Aliases rep) -> Exp rep
removeExpAliases Exp (Aliases rep)
e]
where
merge_dec :: Maybe Doc
merge_dec =
case Exp (Aliases rep)
e of
DoLoop [(FParam (Aliases rep), SubExp)]
merge LoopForm (Aliases rep)
_ Body (Aliases rep)
body ->
let mergeParamAliases :: Param dec -> Names -> Maybe Doc
mergeParamAliases Param dec
fparam Names
als
| TypeBase Shape NoUniqueness -> Bool
forall shape u. TypeBase shape u -> Bool
primType (Param dec -> TypeBase Shape NoUniqueness
forall dec. Typed dec => Param dec -> TypeBase Shape NoUniqueness
paramType Param dec
fparam) =
Maybe Doc
forall a. Maybe a
Nothing
| Bool
otherwise =
VName -> Names -> Maybe Doc
forall a. Pretty a => a -> Names -> Maybe Doc
resultAliasComment (Param dec -> VName
forall dec. Param dec -> VName
paramName Param dec
fparam) Names
als
in [Doc] -> Maybe Doc
maybeComment ([Doc] -> Maybe Doc)
-> ([Maybe Doc] -> [Doc]) -> [Maybe Doc] -> Maybe Doc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [Maybe Doc] -> [Doc]
forall a. [Maybe a] -> [a]
catMaybes ([Maybe Doc] -> Maybe Doc) -> [Maybe Doc] -> Maybe Doc
forall a b. (a -> b) -> a -> b
$
(Param (FParamInfo rep) -> Names -> Maybe Doc)
-> [Param (FParamInfo rep)] -> [Names] -> [Maybe Doc]
forall a b c. (a -> b -> c) -> [a] -> [b] -> [c]
zipWith Param (FParamInfo rep) -> Names -> Maybe Doc
forall dec. Typed dec => Param dec -> Names -> Maybe Doc
mergeParamAliases (((Param (FParamInfo rep), SubExp) -> Param (FParamInfo rep))
-> [(Param (FParamInfo rep), SubExp)] -> [Param (FParamInfo rep)]
forall a b. (a -> b) -> [a] -> [b]
map (Param (FParamInfo rep), SubExp) -> Param (FParamInfo rep)
forall a b. (a, b) -> a
fst [(Param (FParamInfo rep), SubExp)]
[(FParam (Aliases rep), SubExp)]
merge) ([Names] -> [Maybe Doc]) -> [Names] -> [Maybe Doc]
forall a b. (a -> b) -> a -> b
$
Body (Aliases rep) -> [Names]
forall rep. Aliased rep => Body rep -> [Names]
bodyAliases Body (Aliases rep)
body
Exp (Aliases rep)
_ -> Maybe Doc
forall a. Maybe a
Nothing
exp_dec :: Maybe Doc
exp_dec = case Names -> [VName]
namesToList (Names -> [VName]) -> Names -> [VName]
forall a b. (a -> b) -> a -> b
$ AliasDec -> Names
unAliases AliasDec
consumed of
[] -> Maybe Doc
forall a. Maybe a
Nothing
[VName]
als ->
Doc -> Maybe Doc
forall a. a -> Maybe a
Just (Doc -> Maybe Doc) -> Doc -> Maybe Doc
forall a b. (a -> b) -> a -> b
$
Doc -> Doc
PP.oneLine (Doc -> Doc) -> Doc -> Doc
forall a b. (a -> b) -> a -> b
$
String -> Doc
PP.text String
"-- Consumes " Doc -> Doc -> Doc
forall a. Semigroup a => a -> a -> a
<> [Doc] -> Doc
PP.commasep ((VName -> Doc) -> [VName] -> [Doc]
forall a b. (a -> b) -> [a] -> [b]
map VName -> Doc
forall a. Pretty a => a -> Doc
PP.ppr [VName]
als)
maybeComment :: [PP.Doc] -> Maybe PP.Doc
[] = Maybe Doc
forall a. Maybe a
Nothing
maybeComment [Doc]
cs = Doc -> Maybe Doc
forall a. a -> Maybe a
Just (Doc -> Maybe Doc) -> Doc -> Maybe Doc
forall a b. (a -> b) -> a -> b
$ (Doc -> Doc -> Doc) -> [Doc] -> Doc
PP.folddoc Doc -> Doc -> Doc
(PP.</>) [Doc]
cs
resultAliasComment :: PP.Pretty a => a -> Names -> Maybe PP.Doc
a
name Names
als =
case Names -> [VName]
namesToList Names
als of
[] -> Maybe Doc
forall a. Maybe a
Nothing
[VName]
als' ->
Doc -> Maybe Doc
forall a. a -> Maybe a
Just (Doc -> Maybe Doc) -> Doc -> Maybe Doc
forall a b. (a -> b) -> a -> b
$
Doc -> Doc
PP.oneLine (Doc -> Doc) -> Doc -> Doc
forall a b. (a -> b) -> a -> b
$
String -> Doc
PP.text String
"-- Result for " Doc -> Doc -> Doc
forall a. Semigroup a => a -> a -> a
<> a -> Doc
forall a. Pretty a => a -> Doc
PP.ppr a
name Doc -> Doc -> Doc
forall a. Semigroup a => a -> a -> a
<> String -> Doc
PP.text String
" aliases "
Doc -> Doc -> Doc
forall a. Semigroup a => a -> a -> a
<> [Doc] -> Doc
PP.commasep ((VName -> Doc) -> [VName] -> [Doc]
forall a b. (a -> b) -> [a] -> [b]
map VName -> Doc
forall a. Pretty a => a -> Doc
PP.ppr [VName]
als')
removeAliases :: CanBeAliased (Op rep) => Rephraser Identity (Aliases rep) rep
removeAliases :: Rephraser Identity (Aliases rep) rep
removeAliases =
Rephraser :: forall (m :: * -> *) from to.
(ExpDec from -> m (ExpDec to))
-> (LetDec from -> m (LetDec to))
-> (FParamInfo from -> m (FParamInfo to))
-> (LParamInfo from -> m (LParamInfo to))
-> (BodyDec from -> m (BodyDec to))
-> (RetType from -> m (RetType to))
-> (BranchType from -> m (BranchType to))
-> (Op from -> m (Op to))
-> Rephraser m from to
Rephraser
{ rephraseExpDec :: ExpDec (Aliases rep) -> Identity (ExpDec rep)
rephraseExpDec = ExpDec rep -> Identity (ExpDec rep)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (ExpDec rep -> Identity (ExpDec rep))
-> ((AliasDec, ExpDec rep) -> ExpDec rep)
-> (AliasDec, ExpDec rep)
-> Identity (ExpDec rep)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (AliasDec, ExpDec rep) -> ExpDec rep
forall a b. (a, b) -> b
snd,
rephraseLetBoundDec :: LetDec (Aliases rep) -> Identity (LetDec rep)
rephraseLetBoundDec = LetDec rep -> Identity (LetDec rep)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (LetDec rep -> Identity (LetDec rep))
-> ((AliasDec, LetDec rep) -> LetDec rep)
-> (AliasDec, LetDec rep)
-> Identity (LetDec rep)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (AliasDec, LetDec rep) -> LetDec rep
forall a b. (a, b) -> b
snd,
rephraseBodyDec :: BodyDec (Aliases rep) -> Identity (BodyDec rep)
rephraseBodyDec = BodyDec rep -> Identity (BodyDec rep)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (BodyDec rep -> Identity (BodyDec rep))
-> ((([AliasDec], AliasDec), BodyDec rep) -> BodyDec rep)
-> (([AliasDec], AliasDec), BodyDec rep)
-> Identity (BodyDec rep)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (([AliasDec], AliasDec), BodyDec rep) -> BodyDec rep
forall a b. (a, b) -> b
snd,
rephraseFParamDec :: FParamInfo (Aliases rep) -> Identity (FParamInfo rep)
rephraseFParamDec = FParamInfo (Aliases rep) -> Identity (FParamInfo rep)
forall (f :: * -> *) a. Applicative f => a -> f a
pure,
rephraseLParamDec :: LParamInfo (Aliases rep) -> Identity (LParamInfo rep)
rephraseLParamDec = LParamInfo (Aliases rep) -> Identity (LParamInfo rep)
forall (f :: * -> *) a. Applicative f => a -> f a
pure,
rephraseRetType :: RetType (Aliases rep) -> Identity (RetType rep)
rephraseRetType = RetType (Aliases rep) -> Identity (RetType rep)
forall (f :: * -> *) a. Applicative f => a -> f a
pure,
rephraseBranchType :: BranchType (Aliases rep) -> Identity (BranchType rep)
rephraseBranchType = BranchType (Aliases rep) -> Identity (BranchType rep)
forall (f :: * -> *) a. Applicative f => a -> f a
pure,
rephraseOp :: Op (Aliases rep) -> Identity (Op rep)
rephraseOp = Op rep -> Identity (Op rep)
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Op rep -> Identity (Op rep))
-> (OpWithAliases (Op rep) -> Op rep)
-> OpWithAliases (Op rep)
-> Identity (Op rep)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. OpWithAliases (Op rep) -> Op rep
forall op. CanBeAliased op => OpWithAliases op -> op
removeOpAliases
}
removeScopeAliases :: Scope (Aliases rep) -> Scope rep
removeScopeAliases :: Scope (Aliases rep) -> Scope rep
removeScopeAliases = (NameInfo (Aliases rep) -> NameInfo rep)
-> Scope (Aliases rep) -> Scope rep
forall a b k. (a -> b) -> Map k a -> Map k b
M.map NameInfo (Aliases rep) -> NameInfo rep
forall rep a rep.
(LetDec rep ~ (a, LetDec rep), FParamInfo rep ~ FParamInfo rep,
LParamInfo rep ~ LParamInfo rep) =>
NameInfo rep -> NameInfo rep
unAlias
where
unAlias :: NameInfo rep -> NameInfo rep
unAlias (LetName (_, dec)) = LetDec rep -> NameInfo rep
forall rep. LetDec rep -> NameInfo rep
LetName LetDec rep
dec
unAlias (FParamName FParamInfo rep
dec) = FParamInfo rep -> NameInfo rep
forall rep. FParamInfo rep -> NameInfo rep
FParamName FParamInfo rep
FParamInfo rep
dec
unAlias (LParamName LParamInfo rep
dec) = LParamInfo rep -> NameInfo rep
forall rep. LParamInfo rep -> NameInfo rep
LParamName LParamInfo rep
LParamInfo rep
dec
unAlias (IndexName IntType
it) = IntType -> NameInfo rep
forall rep. IntType -> NameInfo rep
IndexName IntType
it
removeProgAliases ::
CanBeAliased (Op rep) =>
Prog (Aliases rep) ->
Prog rep
removeProgAliases :: Prog (Aliases rep) -> Prog rep
removeProgAliases = Identity (Prog rep) -> Prog rep
forall a. Identity a -> a
runIdentity (Identity (Prog rep) -> Prog rep)
-> (Prog (Aliases rep) -> Identity (Prog rep))
-> Prog (Aliases rep)
-> Prog rep
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Rephraser Identity (Aliases rep) rep
-> Prog (Aliases rep) -> Identity (Prog rep)
forall (m :: * -> *) from to.
Monad m =>
Rephraser m from to -> Prog from -> m (Prog to)
rephraseProg Rephraser Identity (Aliases rep) rep
forall rep.
CanBeAliased (Op rep) =>
Rephraser Identity (Aliases rep) rep
removeAliases
removeFunDefAliases ::
CanBeAliased (Op rep) =>
FunDef (Aliases rep) ->
FunDef rep
removeFunDefAliases :: FunDef (Aliases rep) -> FunDef rep
removeFunDefAliases = Identity (FunDef rep) -> FunDef rep
forall a. Identity a -> a
runIdentity (Identity (FunDef rep) -> FunDef rep)
-> (FunDef (Aliases rep) -> Identity (FunDef rep))
-> FunDef (Aliases rep)
-> FunDef rep
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Rephraser Identity (Aliases rep) rep
-> FunDef (Aliases rep) -> Identity (FunDef rep)
forall (m :: * -> *) from to.
Monad m =>
Rephraser m from to -> FunDef from -> m (FunDef to)
rephraseFunDef Rephraser Identity (Aliases rep) rep
forall rep.
CanBeAliased (Op rep) =>
Rephraser Identity (Aliases rep) rep
removeAliases
removeExpAliases ::
CanBeAliased (Op rep) =>
Exp (Aliases rep) ->
Exp rep
removeExpAliases :: Exp (Aliases rep) -> Exp rep
removeExpAliases = Identity (Exp rep) -> Exp rep
forall a. Identity a -> a
runIdentity (Identity (Exp rep) -> Exp rep)
-> (Exp (Aliases rep) -> Identity (Exp rep))
-> Exp (Aliases rep)
-> Exp rep
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Rephraser Identity (Aliases rep) rep
-> Exp (Aliases rep) -> Identity (Exp rep)
forall (m :: * -> *) from to.
Monad m =>
Rephraser m from to -> Exp from -> m (Exp to)
rephraseExp Rephraser Identity (Aliases rep) rep
forall rep.
CanBeAliased (Op rep) =>
Rephraser Identity (Aliases rep) rep
removeAliases
removeStmAliases ::
CanBeAliased (Op rep) =>
Stm (Aliases rep) ->
Stm rep
removeStmAliases :: Stm (Aliases rep) -> Stm rep
removeStmAliases = Identity (Stm rep) -> Stm rep
forall a. Identity a -> a
runIdentity (Identity (Stm rep) -> Stm rep)
-> (Stm (Aliases rep) -> Identity (Stm rep))
-> Stm (Aliases rep)
-> Stm rep
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Rephraser Identity (Aliases rep) rep
-> Stm (Aliases rep) -> Identity (Stm rep)
forall (m :: * -> *) from to.
Monad m =>
Rephraser m from to -> Stm from -> m (Stm to)
rephraseStm Rephraser Identity (Aliases rep) rep
forall rep.
CanBeAliased (Op rep) =>
Rephraser Identity (Aliases rep) rep
removeAliases
removeBodyAliases ::
CanBeAliased (Op rep) =>
Body (Aliases rep) ->
Body rep
removeBodyAliases :: Body (Aliases rep) -> Body rep
removeBodyAliases = Identity (Body rep) -> Body rep
forall a. Identity a -> a
runIdentity (Identity (Body rep) -> Body rep)
-> (Body (Aliases rep) -> Identity (Body rep))
-> Body (Aliases rep)
-> Body rep
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Rephraser Identity (Aliases rep) rep
-> Body (Aliases rep) -> Identity (Body rep)
forall (m :: * -> *) from to.
Monad m =>
Rephraser m from to -> Body from -> m (Body to)
rephraseBody Rephraser Identity (Aliases rep) rep
forall rep.
CanBeAliased (Op rep) =>
Rephraser Identity (Aliases rep) rep
removeAliases
removeLambdaAliases ::
CanBeAliased (Op rep) =>
Lambda (Aliases rep) ->
Lambda rep
removeLambdaAliases :: Lambda (Aliases rep) -> Lambda rep
removeLambdaAliases = Identity (Lambda rep) -> Lambda rep
forall a. Identity a -> a
runIdentity (Identity (Lambda rep) -> Lambda rep)
-> (Lambda (Aliases rep) -> Identity (Lambda rep))
-> Lambda (Aliases rep)
-> Lambda rep
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Rephraser Identity (Aliases rep) rep
-> Lambda (Aliases rep) -> Identity (Lambda rep)
forall (m :: * -> *) from to.
Monad m =>
Rephraser m from to -> Lambda from -> m (Lambda to)
rephraseLambda Rephraser Identity (Aliases rep) rep
forall rep.
CanBeAliased (Op rep) =>
Rephraser Identity (Aliases rep) rep
removeAliases
removePatAliases ::
Pat (AliasDec, a) ->
Pat a
removePatAliases :: Pat (AliasDec, a) -> Pat a
removePatAliases = Identity (Pat a) -> Pat a
forall a. Identity a -> a
runIdentity (Identity (Pat a) -> Pat a)
-> (Pat (AliasDec, a) -> Identity (Pat a))
-> Pat (AliasDec, a)
-> Pat a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((AliasDec, a) -> Identity a)
-> Pat (AliasDec, a) -> Identity (Pat a)
forall (m :: * -> *) from to.
Monad m =>
(from -> m to) -> Pat from -> m (Pat to)
rephrasePat (a -> Identity a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (a -> Identity a)
-> ((AliasDec, a) -> a) -> (AliasDec, a) -> Identity a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (AliasDec, a) -> a
forall a b. (a, b) -> b
snd)
mkAliasedBody ::
(ASTRep rep, CanBeAliased (Op rep)) =>
BodyDec rep ->
Stms (Aliases rep) ->
Result ->
Body (Aliases rep)
mkAliasedBody :: BodyDec rep -> Stms (Aliases rep) -> Result -> Body (Aliases rep)
mkAliasedBody BodyDec rep
dec Stms (Aliases rep)
stms Result
res =
BodyDec (Aliases rep)
-> Stms (Aliases rep) -> Result -> Body (Aliases rep)
forall rep. BodyDec rep -> Stms rep -> Result -> Body rep
Body (Stms (Aliases rep) -> Result -> ([AliasDec], AliasDec)
forall rep.
Aliased rep =>
Stms rep -> Result -> ([AliasDec], AliasDec)
mkBodyAliasing Stms (Aliases rep)
stms Result
res, BodyDec rep
dec) Stms (Aliases rep)
stms Result
res
mkAliasedPat ::
(Aliased rep, Typed dec) =>
Pat dec ->
Exp rep ->
Pat (VarAliases, dec)
mkAliasedPat :: Pat dec -> Exp rep -> Pat (AliasDec, dec)
mkAliasedPat Pat dec
pat Exp rep
e = [PatElem (AliasDec, dec)] -> Pat (AliasDec, dec)
forall dec. [PatElem dec] -> Pat dec
Pat ([PatElem (AliasDec, dec)] -> Pat (AliasDec, dec))
-> [PatElem (AliasDec, dec)] -> Pat (AliasDec, dec)
forall a b. (a -> b) -> a -> b
$ (PatElem dec -> Names -> PatElem (AliasDec, dec))
-> [PatElem dec] -> [Names] -> [PatElem (AliasDec, dec)]
forall a b c. (a -> b -> c) -> [a] -> [b] -> [c]
zipWith PatElem dec -> Names -> PatElem (AliasDec, dec)
forall b. Typed b => PatElem b -> Names -> PatElem (AliasDec, b)
annotatePatElem (Pat dec -> [PatElem dec]
forall dec. Pat dec -> [PatElem dec]
patElems Pat dec
pat) [Names]
als
where
als :: [Names]
als = Exp rep -> [Names]
forall rep. Aliased rep => Exp rep -> [Names]
expAliases Exp rep
e [Names] -> [Names] -> [Names]
forall a. [a] -> [a] -> [a]
++ Names -> [Names]
forall a. a -> [a]
repeat Names
forall a. Monoid a => a
mempty
annotatePatElem :: PatElem b -> Names -> PatElem (AliasDec, b)
annotatePatElem PatElem b
bindee Names
names =
PatElem b
bindee PatElem b -> (AliasDec, b) -> PatElem (AliasDec, b)
forall oldattr newattr.
PatElem oldattr -> newattr -> PatElem newattr
`setPatElemDec` (Names -> AliasDec
AliasDec Names
names', PatElem b -> b
forall dec. PatElem dec -> dec
patElemDec PatElem b
bindee)
where
names' :: Names
names' =
case PatElem b -> TypeBase Shape NoUniqueness
forall dec. Typed dec => PatElem dec -> TypeBase Shape NoUniqueness
patElemType PatElem b
bindee of
Array {} -> Names
names
Mem Space
_ -> Names
names
TypeBase Shape NoUniqueness
_ -> Names
forall a. Monoid a => a
mempty
mkBodyAliasing ::
Aliased rep =>
Stms rep ->
Result ->
BodyAliasing
mkBodyAliasing :: Stms rep -> Result -> ([AliasDec], AliasDec)
mkBodyAliasing Stms rep
stms Result
res =
let ([Names]
aliases, Names
consumed) = Stms rep -> Result -> ([Names], Names)
forall rep. Aliased rep => Stms rep -> Result -> ([Names], Names)
mkStmsAliases Stms rep
stms Result
res
boundNames :: Names
boundNames = (Stm rep -> Names) -> Stms rep -> Names
forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap ([VName] -> Names
namesFromList ([VName] -> Names) -> (Stm rep -> [VName]) -> Stm rep -> Names
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Pat (LetDec rep) -> [VName]
forall dec. Pat dec -> [VName]
patNames (Pat (LetDec rep) -> [VName])
-> (Stm rep -> Pat (LetDec rep)) -> Stm rep -> [VName]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Stm rep -> Pat (LetDec rep)
forall rep. Stm rep -> Pat (LetDec rep)
stmPat) Stms rep
stms
aliases' :: [Names]
aliases' = (Names -> Names) -> [Names] -> [Names]
forall a b. (a -> b) -> [a] -> [b]
map (Names -> Names -> Names
`namesSubtract` Names
boundNames) [Names]
aliases
consumed' :: Names
consumed' = Names
consumed Names -> Names -> Names
`namesSubtract` Names
boundNames
in ((Names -> AliasDec) -> [Names] -> [AliasDec]
forall a b. (a -> b) -> [a] -> [b]
map Names -> AliasDec
AliasDec [Names]
aliases', Names -> AliasDec
AliasDec Names
consumed')
mkStmsAliases ::
Aliased rep =>
Stms rep ->
Result ->
([Names], Names)
mkStmsAliases :: Stms rep -> Result -> ([Names], Names)
mkStmsAliases Stms rep
stms Result
res = AliasesAndConsumed -> [Stm rep] -> ([Names], Names)
delve AliasesAndConsumed
forall a. Monoid a => a
mempty ([Stm rep] -> ([Names], Names)) -> [Stm rep] -> ([Names], Names)
forall a b. (a -> b) -> a -> b
$ Stms rep -> [Stm rep]
forall rep. Stms rep -> [Stm rep]
stmsToList Stms rep
stms
where
delve :: AliasesAndConsumed -> [Stm rep] -> ([Names], Names)
delve (Map VName Names
aliasmap, Names
consumed) [] =
( (SubExpRes -> Names) -> Result -> [Names]
forall a b. (a -> b) -> [a] -> [b]
map (Map VName Names -> Names -> Names
aliasClosure Map VName Names
aliasmap (Names -> Names) -> (SubExpRes -> Names) -> SubExpRes -> Names
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SubExp -> Names
subExpAliases (SubExp -> Names) -> (SubExpRes -> SubExp) -> SubExpRes -> Names
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SubExpRes -> SubExp
resSubExp) Result
res,
Names
consumed
)
delve (Map VName Names
aliasmap, Names
consumed) (Stm rep
stm : [Stm rep]
stms') =
AliasesAndConsumed -> [Stm rep] -> ([Names], Names)
delve (AliasesAndConsumed -> Stm rep -> AliasesAndConsumed
forall rep.
Aliased rep =>
AliasesAndConsumed -> Stm rep -> AliasesAndConsumed
trackAliases (Map VName Names
aliasmap, Names
consumed) Stm rep
stm) [Stm rep]
stms'
aliasClosure :: Map VName Names -> Names -> Names
aliasClosure Map VName Names
aliasmap Names
names =
Names
names Names -> Names -> Names
forall a. Semigroup a => a -> a -> a
<> [Names] -> Names
forall a. Monoid a => [a] -> a
mconcat ((VName -> Names) -> [VName] -> [Names]
forall a b. (a -> b) -> [a] -> [b]
map VName -> Names
look ([VName] -> [Names]) -> [VName] -> [Names]
forall a b. (a -> b) -> a -> b
$ Names -> [VName]
namesToList Names
names)
where
look :: VName -> Names
look VName
k = Names -> VName -> Map VName Names -> Names
forall k a. Ord k => a -> k -> Map k a -> a
M.findWithDefault Names
forall a. Monoid a => a
mempty VName
k Map VName Names
aliasmap
type AliasesAndConsumed =
( M.Map VName Names,
Names
)
consumedInStms :: Aliased rep => Stms rep -> Names
consumedInStms :: Stms rep -> Names
consumedInStms = ([Names], Names) -> Names
forall a b. (a, b) -> b
snd (([Names], Names) -> Names)
-> (Stms rep -> ([Names], Names)) -> Stms rep -> Names
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Stms rep -> Result -> ([Names], Names))
-> Result -> Stms rep -> ([Names], Names)
forall a b c. (a -> b -> c) -> b -> a -> c
flip Stms rep -> Result -> ([Names], Names)
forall rep. Aliased rep => Stms rep -> Result -> ([Names], Names)
mkStmsAliases []
trackAliases ::
Aliased rep =>
AliasesAndConsumed ->
Stm rep ->
AliasesAndConsumed
trackAliases :: AliasesAndConsumed -> Stm rep -> AliasesAndConsumed
trackAliases (Map VName Names
aliasmap, Names
consumed) Stm rep
stm =
let pat :: Pat (LetDec rep)
pat = Stm rep -> Pat (LetDec rep)
forall rep. Stm rep -> Pat (LetDec rep)
stmPat Stm rep
stm
pe_als :: [(VName, Names)]
pe_als =
[VName] -> [Names] -> [(VName, Names)]
forall a b. [a] -> [b] -> [(a, b)]
zip (Pat (LetDec rep) -> [VName]
forall dec. Pat dec -> [VName]
patNames Pat (LetDec rep)
pat) ([Names] -> [(VName, Names)]) -> [Names] -> [(VName, Names)]
forall a b. (a -> b) -> a -> b
$ (Names -> Names) -> [Names] -> [Names]
forall a b. (a -> b) -> [a] -> [b]
map Names -> Names
addAliasesOfAliases ([Names] -> [Names]) -> [Names] -> [Names]
forall a b. (a -> b) -> a -> b
$ Pat (LetDec rep) -> [Names]
forall dec. AliasesOf dec => Pat dec -> [Names]
patAliases Pat (LetDec rep)
pat
als :: Map VName Names
als = [(VName, Names)] -> Map VName Names
forall k a. Ord k => [(k, a)] -> Map k a
M.fromList [(VName, Names)]
pe_als
rev_als :: Map VName Names
rev_als = ((VName, Names) -> Map VName Names)
-> [(VName, Names)] -> Map VName Names
forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap (VName, Names) -> Map VName Names
revAls [(VName, Names)]
pe_als
revAls :: (VName, Names) -> Map VName Names
revAls (VName
v, Names
v_als) =
[(VName, Names)] -> Map VName Names
forall k a. Ord k => [(k, a)] -> Map k a
M.fromList ([(VName, Names)] -> Map VName Names)
-> [(VName, Names)] -> Map VName Names
forall a b. (a -> b) -> a -> b
$ (VName -> (VName, Names)) -> [VName] -> [(VName, Names)]
forall a b. (a -> b) -> [a] -> [b]
map (,VName -> Names
oneName VName
v) ([VName] -> [(VName, Names)]) -> [VName] -> [(VName, Names)]
forall a b. (a -> b) -> a -> b
$ Names -> [VName]
namesToList Names
v_als
comb :: Map VName Names -> Map VName Names -> Map VName Names
comb = (Names -> Names -> Names)
-> Map VName Names -> Map VName Names -> Map VName Names
forall k a. Ord k => (a -> a -> a) -> Map k a -> Map k a -> Map k a
M.unionWith Names -> Names -> Names
forall a. Semigroup a => a -> a -> a
(<>)
aliasmap' :: Map VName Names
aliasmap' = Map VName Names
rev_als Map VName Names -> Map VName Names -> Map VName Names
`comb` Map VName Names
als Map VName Names -> Map VName Names -> Map VName Names
`comb` Map VName Names
aliasmap
consumed' :: Names
consumed' = Names
consumed Names -> Names -> Names
forall a. Semigroup a => a -> a -> a
<> Names -> Names
addAliasesOfAliases (Stm rep -> Names
forall rep. Aliased rep => Stm rep -> Names
consumedInStm Stm rep
stm)
in (Map VName Names
aliasmap', Names
consumed')
where
addAliasesOfAliases :: Names -> Names
addAliasesOfAliases Names
names = Names
names Names -> Names -> Names
forall a. Semigroup a => a -> a -> a
<> Names -> Names
aliasesOfAliases Names
names
aliasesOfAliases :: Names -> Names
aliasesOfAliases = [Names] -> Names
forall a. Monoid a => [a] -> a
mconcat ([Names] -> Names) -> (Names -> [Names]) -> Names -> Names
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (VName -> Names) -> [VName] -> [Names]
forall a b. (a -> b) -> [a] -> [b]
map VName -> Names
look ([VName] -> [Names]) -> (Names -> [VName]) -> Names -> [Names]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Names -> [VName]
namesToList
look :: VName -> Names
look VName
k = Names -> VName -> Map VName Names -> Names
forall k a. Ord k => a -> k -> Map k a -> a
M.findWithDefault Names
forall a. Monoid a => a
mempty VName
k Map VName Names
aliasmap
mkAliasedStm ::
(ASTRep rep, CanBeAliased (Op rep)) =>
Pat (LetDec rep) ->
StmAux (ExpDec rep) ->
Exp (Aliases rep) ->
Stm (Aliases rep)
mkAliasedStm :: Pat (LetDec rep)
-> StmAux (ExpDec rep) -> Exp (Aliases rep) -> Stm (Aliases rep)
mkAliasedStm Pat (LetDec rep)
pat (StmAux Certs
cs Attrs
attrs ExpDec rep
dec) Exp (Aliases rep)
e =
Pat (LetDec (Aliases rep))
-> StmAux (ExpDec (Aliases rep))
-> Exp (Aliases rep)
-> Stm (Aliases rep)
forall rep.
Pat (LetDec rep) -> StmAux (ExpDec rep) -> Exp rep -> Stm rep
Let
(Pat (LetDec rep) -> Exp (Aliases rep) -> Pat (AliasDec, LetDec rep)
forall rep dec.
(Aliased rep, Typed dec) =>
Pat dec -> Exp rep -> Pat (AliasDec, dec)
mkAliasedPat Pat (LetDec rep)
pat Exp (Aliases rep)
e)
(Certs
-> Attrs -> (AliasDec, ExpDec rep) -> StmAux (AliasDec, ExpDec rep)
forall dec. Certs -> Attrs -> dec -> StmAux dec
StmAux Certs
cs Attrs
attrs (Names -> AliasDec
AliasDec (Names -> AliasDec) -> Names -> AliasDec
forall a b. (a -> b) -> a -> b
$ Exp (Aliases rep) -> Names
forall rep. Aliased rep => Exp rep -> Names
consumedInExp Exp (Aliases rep)
e, ExpDec rep
dec))
Exp (Aliases rep)
e
instance (Buildable rep, CanBeAliased (Op rep)) => Buildable (Aliases rep) where
mkExpDec :: Pat (LetDec (Aliases rep))
-> Exp (Aliases rep) -> ExpDec (Aliases rep)
mkExpDec Pat (LetDec (Aliases rep))
pat Exp (Aliases rep)
e =
let dec :: ExpDec rep
dec = Pat (LetDec rep) -> Exp rep -> ExpDec rep
forall rep.
Buildable rep =>
Pat (LetDec rep) -> Exp rep -> ExpDec rep
mkExpDec (Pat (AliasDec, LetDec rep) -> Pat (LetDec rep)
forall a. Pat (AliasDec, a) -> Pat a
removePatAliases Pat (AliasDec, LetDec rep)
Pat (LetDec (Aliases rep))
pat) (Exp rep -> ExpDec rep) -> Exp rep -> ExpDec rep
forall a b. (a -> b) -> a -> b
$ Exp (Aliases rep) -> Exp rep
forall rep. CanBeAliased (Op rep) => Exp (Aliases rep) -> Exp rep
removeExpAliases Exp (Aliases rep)
e
in (Names -> AliasDec
AliasDec (Names -> AliasDec) -> Names -> AliasDec
forall a b. (a -> b) -> a -> b
$ Exp (Aliases rep) -> Names
forall rep. Aliased rep => Exp rep -> Names
consumedInExp Exp (Aliases rep)
e, ExpDec rep
dec)
mkExpPat :: [Ident] -> Exp (Aliases rep) -> Pat (LetDec (Aliases rep))
mkExpPat [Ident]
ids Exp (Aliases rep)
e =
Pat (LetDec rep) -> Exp (Aliases rep) -> Pat (AliasDec, LetDec rep)
forall rep dec.
(Aliased rep, Typed dec) =>
Pat dec -> Exp rep -> Pat (AliasDec, dec)
mkAliasedPat ([Ident] -> Exp rep -> Pat (LetDec rep)
forall rep. Buildable rep => [Ident] -> Exp rep -> Pat (LetDec rep)
mkExpPat [Ident]
ids (Exp rep -> Pat (LetDec rep)) -> Exp rep -> Pat (LetDec rep)
forall a b. (a -> b) -> a -> b
$ Exp (Aliases rep) -> Exp rep
forall rep. CanBeAliased (Op rep) => Exp (Aliases rep) -> Exp rep
removeExpAliases Exp (Aliases rep)
e) Exp (Aliases rep)
e
mkLetNames :: [VName] -> Exp (Aliases rep) -> m (Stm (Aliases rep))
mkLetNames [VName]
names Exp (Aliases rep)
e = do
Scope rep
env <- (Scope (Aliases rep) -> Scope rep) -> m (Scope rep)
forall rep (m :: * -> *) a.
HasScope rep m =>
(Scope rep -> a) -> m a
asksScope Scope (Aliases rep) -> Scope rep
forall rep. Scope (Aliases rep) -> Scope rep
removeScopeAliases
(ReaderT (Scope rep) m (Stm (Aliases rep))
-> Scope rep -> m (Stm (Aliases rep)))
-> Scope rep
-> ReaderT (Scope rep) m (Stm (Aliases rep))
-> m (Stm (Aliases rep))
forall a b c. (a -> b -> c) -> b -> a -> c
flip ReaderT (Scope rep) m (Stm (Aliases rep))
-> Scope rep -> m (Stm (Aliases rep))
forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT Scope rep
env (ReaderT (Scope rep) m (Stm (Aliases rep))
-> m (Stm (Aliases rep)))
-> ReaderT (Scope rep) m (Stm (Aliases rep))
-> m (Stm (Aliases rep))
forall a b. (a -> b) -> a -> b
$ do
Let Pat (LetDec rep)
pat StmAux (ExpDec rep)
dec Exp rep
_ <- [VName] -> Exp rep -> ReaderT (Scope rep) m (Stm rep)
forall rep (m :: * -> *).
(Buildable rep, MonadFreshNames m, HasScope rep m) =>
[VName] -> Exp rep -> m (Stm rep)
mkLetNames [VName]
names (Exp rep -> ReaderT (Scope rep) m (Stm rep))
-> Exp rep -> ReaderT (Scope rep) m (Stm rep)
forall a b. (a -> b) -> a -> b
$ Exp (Aliases rep) -> Exp rep
forall rep. CanBeAliased (Op rep) => Exp (Aliases rep) -> Exp rep
removeExpAliases Exp (Aliases rep)
e
Stm (Aliases rep) -> ReaderT (Scope rep) m (Stm (Aliases rep))
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Stm (Aliases rep) -> ReaderT (Scope rep) m (Stm (Aliases rep)))
-> Stm (Aliases rep) -> ReaderT (Scope rep) m (Stm (Aliases rep))
forall a b. (a -> b) -> a -> b
$ Pat (LetDec rep)
-> StmAux (ExpDec rep) -> Exp (Aliases rep) -> Stm (Aliases rep)
forall rep.
(ASTRep rep, CanBeAliased (Op rep)) =>
Pat (LetDec rep)
-> StmAux (ExpDec rep) -> Exp (Aliases rep) -> Stm (Aliases rep)
mkAliasedStm Pat (LetDec rep)
pat StmAux (ExpDec rep)
dec Exp (Aliases rep)
e
mkBody :: Stms (Aliases rep) -> Result -> Body (Aliases rep)
mkBody Stms (Aliases rep)
stms Result
res =
let Body BodyDec rep
bodyrep Stms rep
_ Result
_ = Stms rep -> Result -> Body rep
forall rep. Buildable rep => Stms rep -> Result -> Body rep
mkBody ((Stm (Aliases rep) -> Stm rep) -> Stms (Aliases rep) -> Stms rep
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap Stm (Aliases rep) -> Stm rep
forall rep. CanBeAliased (Op rep) => Stm (Aliases rep) -> Stm rep
removeStmAliases Stms (Aliases rep)
stms) Result
res
in BodyDec rep -> Stms (Aliases rep) -> Result -> Body (Aliases rep)
forall rep.
(ASTRep rep, CanBeAliased (Op rep)) =>
BodyDec rep -> Stms (Aliases rep) -> Result -> Body (Aliases rep)
mkAliasedBody BodyDec rep
bodyrep Stms (Aliases rep)
stms Result
res
instance (ASTRep (Aliases rep), Buildable (Aliases rep)) => BuilderOps (Aliases rep)