ghc-8.0.2: The GHC API

Safe HaskellNone
LanguageHaskell2010

CmmLive

Synopsis

Documentation

type CmmLocalLive = CmmLive LocalReg #

type CmmGlobalLive = CmmLive GlobalReg #

cmmLocalLiveness :: DynFlags -> CmmGraph -> BlockEntryLiveness LocalReg #

Calculated liveness info for a CmmGraph

cmmGlobalLiveness :: DynFlags -> CmmGraph -> BlockEntryLiveness GlobalReg #

liveLattice :: Ord r => DataflowLattice (CmmLive r) #

The dataflow lattice

noLiveOnEntry :: BlockId -> CmmLive LocalReg -> a -> a #

On entry to the procedure, there had better not be any LocalReg's live-in.

xferLive :: forall r. (UserOfRegs r (CmmNode O O), DefinerOfRegs r (CmmNode O O), UserOfRegs r (CmmNode O C), DefinerOfRegs r (CmmNode O C)) => DynFlags -> BwdTransfer CmmNode (CmmLive r) #

The transfer function

gen :: UserOfRegs r a => DynFlags -> a -> RegSet r -> RegSet r #

The transfer equations use the traditional gen and kill notations, which should be familiar from the Dragon Book.

kill :: DefinerOfRegs r a => DynFlags -> a -> RegSet r -> RegSet r #

gen_kill :: (DefinerOfRegs r a, UserOfRegs r a) => DynFlags -> a -> CmmLive r -> CmmLive r #