ghc-lib-8.8.1.20191204: The GHC API, decoupled from GHC versions

Safe Haskell	None
Language	Haskell2010

StgCmmClosure

Contents

LambdaFormInfo
Used by other modules
ClosureInfo
InfoTables

Synopsis

type DynTag = Int
tagForCon :: DynFlags -> DataCon -> DynTag
isSmallFamily :: DynFlags -> Int -> Bool
idPrimRep :: Id -> PrimRep
isVoidRep :: PrimRep -> Bool
isGcPtrRep :: PrimRep -> Bool
addIdReps :: [NonVoid Id] -> [NonVoid (PrimRep, Id)]
addArgReps :: [NonVoid StgArg] -> [NonVoid (PrimRep, StgArg)]
argPrimRep :: StgArg -> PrimRep
newtype NonVoid a = NonVoid a
fromNonVoid :: NonVoid a -> a
nonVoidIds :: [Id] -> [NonVoid Id]
nonVoidStgArgs :: [StgArg] -> [NonVoid StgArg]
assertNonVoidIds :: [Id] -> [NonVoid Id]
assertNonVoidStgArgs :: [StgArg] -> [NonVoid StgArg]
data LambdaFormInfo
data StandardFormInfo
mkLFThunk :: Type -> TopLevelFlag -> [Id] -> UpdateFlag -> LambdaFormInfo
mkLFReEntrant :: TopLevelFlag -> [Id] -> [Id] -> ArgDescr -> LambdaFormInfo
mkConLFInfo :: DataCon -> LambdaFormInfo
mkSelectorLFInfo :: Id -> Int -> Bool -> LambdaFormInfo
mkApLFInfo :: Id -> UpdateFlag -> Arity -> LambdaFormInfo
mkLFImported :: Id -> LambdaFormInfo
mkLFArgument :: Id -> LambdaFormInfo
mkLFLetNoEscape :: LambdaFormInfo
mkLFStringLit :: LambdaFormInfo
lfDynTag :: DynFlags -> LambdaFormInfo -> DynTag
isLFThunk :: LambdaFormInfo -> Bool
isLFReEntrant :: LambdaFormInfo -> Bool
lfUpdatable :: LambdaFormInfo -> Bool
data CgLoc
- = CmmLoc CmmExpr
- | LneLoc BlockId [LocalReg]
type SelfLoopInfo = (Id, BlockId, [LocalReg])
data CallMethod
- = EnterIt
- | JumpToIt BlockId [LocalReg]
- | ReturnIt
- | SlowCall
- | DirectEntry CLabel RepArity
nodeMustPointToIt :: DynFlags -> LambdaFormInfo -> Bool
isKnownFun :: LambdaFormInfo -> Bool
funTag :: DynFlags -> ClosureInfo -> DynTag
tagForArity :: DynFlags -> RepArity -> DynTag
getCallMethod :: DynFlags -> Name -> Id -> LambdaFormInfo -> RepArity -> RepArity -> CgLoc -> Maybe SelfLoopInfo -> CallMethod
data ClosureInfo
mkClosureInfo :: DynFlags -> Bool -> Id -> LambdaFormInfo -> Int -> Int -> String -> ClosureInfo
mkCmmInfo :: ClosureInfo -> Id -> CostCentreStack -> CmmInfoTable
closureLFInfo :: ClosureInfo -> LambdaFormInfo
closureName :: ClosureInfo -> Name
closureInfoLabel :: ClosureInfo -> CLabel
staticClosureLabel :: ClosureInfo -> CLabel
closureSlowEntryLabel :: ClosureInfo -> CLabel
closureLocalEntryLabel :: DynFlags -> ClosureInfo -> CLabel
closureUpdReqd :: ClosureInfo -> Bool
closureSingleEntry :: ClosureInfo -> Bool
closureReEntrant :: ClosureInfo -> Bool
closureFunInfo :: ClosureInfo -> Maybe (RepArity, ArgDescr)
isToplevClosure :: ClosureInfo -> Bool
blackHoleOnEntry :: ClosureInfo -> Bool
isStaticClosure :: ClosureInfo -> Bool
mkDataConInfoTable :: DynFlags -> DataCon -> Bool -> Int -> Int -> CmmInfoTable
cafBlackHoleInfoTable :: CmmInfoTable
indStaticInfoTable :: CmmInfoTable
staticClosureNeedsLink :: Bool -> CmmInfoTable -> Bool

Documentation

type DynTag = Int Source #

tagForCon :: DynFlags -> DataCon -> DynTag Source #

isSmallFamily :: DynFlags -> Int -> Bool Source #

idPrimRep :: Id -> PrimRep Source #

isVoidRep :: PrimRep -> Bool #

isGcPtrRep :: PrimRep -> Bool #

addIdReps :: [NonVoid Id] -> [NonVoid (PrimRep, Id)] Source #

addArgReps :: [NonVoid StgArg] -> [NonVoid (PrimRep, StgArg)] Source #

argPrimRep :: StgArg -> PrimRep Source #

newtype NonVoid a Source #

Constructors

Instances

Eq a => Eq (NonVoid a) Source #
Instance details Defined in StgCmmClosure Methods (==) :: NonVoid a -> NonVoid a -> Bool # (/=) :: NonVoid a -> NonVoid a -> Bool #
Show a => Show (NonVoid a) Source #
Instance details Defined in StgCmmClosure Methods showsPrec :: Int -> NonVoid a -> ShowS # show :: NonVoid a -> String # showList :: [NonVoid a] -> ShowS #
Outputable a => Outputable (NonVoid a) Source #
Instance details Defined in StgCmmClosure Methods ppr :: NonVoid a -> SDoc # pprPrec :: Rational -> NonVoid a -> SDoc #

fromNonVoid :: NonVoid a -> a Source #

nonVoidIds :: [Id] -> [NonVoid Id] Source #

nonVoidStgArgs :: [StgArg] -> [NonVoid StgArg] Source #

assertNonVoidIds :: [Id] -> [NonVoid Id] Source #

Used in places where some invariant ensures that all these Ids are non-void; e.g. constructor field binders in case expressions. See Note [Post-unarisation invariants] in UnariseStg.

assertNonVoidStgArgs :: [StgArg] -> [NonVoid StgArg] Source #

Used in places where some invariant ensures that all these arguments are non-void; e.g. constructor arguments. See Note [Post-unarisation invariants] in UnariseStg.

LambdaFormInfo

data LambdaFormInfo Source #

data StandardFormInfo Source #

mkLFThunk :: Type -> TopLevelFlag -> [Id] -> UpdateFlag -> LambdaFormInfo Source #

mkLFReEntrant :: TopLevelFlag -> [Id] -> [Id] -> ArgDescr -> LambdaFormInfo Source #

mkConLFInfo :: DataCon -> LambdaFormInfo Source #

mkSelectorLFInfo :: Id -> Int -> Bool -> LambdaFormInfo Source #

mkApLFInfo :: Id -> UpdateFlag -> Arity -> LambdaFormInfo Source #

mkLFImported :: Id -> LambdaFormInfo Source #

mkLFArgument :: Id -> LambdaFormInfo Source #

mkLFLetNoEscape :: LambdaFormInfo Source #

mkLFStringLit :: LambdaFormInfo Source #

lfDynTag :: DynFlags -> LambdaFormInfo -> DynTag Source #

isLFThunk :: LambdaFormInfo -> Bool Source #

isLFReEntrant :: LambdaFormInfo -> Bool Source #

lfUpdatable :: LambdaFormInfo -> Bool Source #

Used by other modules

data CgLoc Source #

Constructors

CmmLoc CmmExpr
LneLoc BlockId [LocalReg]

Instances

Outputable CgLoc Source #
Instance details Defined in StgCmmClosure Methods ppr :: CgLoc -> SDoc # pprPrec :: Rational -> CgLoc -> SDoc #

type SelfLoopInfo = (Id, BlockId, [LocalReg]) Source #

data CallMethod Source #

Constructors

EnterIt
JumpToIt BlockId [LocalReg]
ReturnIt
SlowCall
DirectEntry CLabel RepArity

nodeMustPointToIt :: DynFlags -> LambdaFormInfo -> Bool Source #

isKnownFun :: LambdaFormInfo -> Bool Source #

funTag :: DynFlags -> ClosureInfo -> DynTag Source #

tagForArity :: DynFlags -> RepArity -> DynTag Source #

getCallMethod :: DynFlags -> Name -> Id -> LambdaFormInfo -> RepArity -> RepArity -> CgLoc -> Maybe SelfLoopInfo -> CallMethod Source #

ClosureInfo

data ClosureInfo Source #

mkClosureInfo :: DynFlags -> Bool -> Id -> LambdaFormInfo -> Int -> Int -> String -> ClosureInfo Source #

mkCmmInfo :: ClosureInfo -> Id -> CostCentreStack -> CmmInfoTable Source #

Convert from ClosureInfo to CmmInfoTable.

Inspection

closureLFInfo :: ClosureInfo -> LambdaFormInfo Source #

closureName :: ClosureInfo -> Name Source #

Labels

closureInfoLabel :: ClosureInfo -> CLabel Source #

staticClosureLabel :: ClosureInfo -> CLabel Source #

closureSlowEntryLabel :: ClosureInfo -> CLabel Source #

closureLocalEntryLabel :: DynFlags -> ClosureInfo -> CLabel Source #

Predicates

closureUpdReqd :: ClosureInfo -> Bool Source #

closureSingleEntry :: ClosureInfo -> Bool Source #

closureReEntrant :: ClosureInfo -> Bool Source #

closureFunInfo :: ClosureInfo -> Maybe (RepArity, ArgDescr) Source #

isToplevClosure :: ClosureInfo -> Bool Source #

blackHoleOnEntry :: ClosureInfo -> Bool Source #

isStaticClosure :: ClosureInfo -> Bool Source #

InfoTables

mkDataConInfoTable :: DynFlags -> DataCon -> Bool -> Int -> Int -> CmmInfoTable Source #

cafBlackHoleInfoTable :: CmmInfoTable Source #

indStaticInfoTable :: CmmInfoTable Source #

staticClosureNeedsLink :: Bool -> CmmInfoTable -> Bool Source #