ghc-8.0.2: The GHC API

Safe Haskell | None
Language | Haskell2010

StgCmmClosure

Contents

- LambdaFormInfo
- Used by other modules
- ClosureInfo
  - Inspection
  - Labels
  - Predicates
- InfoTables

Synopsis

- type DynTag = Int
- tagForCon :: DynFlags -> DataCon -> DynTag
- isSmallFamily :: DynFlags -> Int -> Bool
- type ConTagZ = Int
- dataConTagZ :: DataCon -> ConTagZ
- idPrimRep :: Id -> PrimRep
- isVoidRep :: PrimRep -> Bool
- isGcPtrRep :: PrimRep -> Bool
- addIdReps :: [Id] -> [(PrimRep, Id)]
- addArgReps :: [StgArg] -> [(PrimRep, StgArg)]
- argPrimRep :: StgArg -> PrimRep
- 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
- lfDynTag :: DynFlags -> LambdaFormInfo -> DynTag
- maybeIsLFCon :: LambdaFormInfo -> Maybe DataCon
- 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 -> 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 #

type ConTagZ = Int Source #

dataConTagZ :: DataCon -> ConTagZ Source #

idPrimRep :: Id -> PrimRep Source #

isVoidRep :: PrimRep -> Bool Source #

isGcPtrRep :: PrimRep -> Bool Source #

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

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

argPrimRep :: StgArg -> PrimRep Source #

# 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 #

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

maybeIsLFCon :: LambdaFormInfo -> Maybe DataCon 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 # |
Methods ppr :: CgLoc -> SDoc Source # pprPrec :: Rational -> CgLoc -> SDoc Source #

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 -> 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 #