import {-# SOURCE #-} CgBindery ( CgBindings, nukeVolatileBinds )
import DynFlags
-import PackageConfig
+import BlockId
import Cmm
import CmmUtils
import CLabel
import VarEnv
import OrdList
import Unique
-import Util
+import Util()
import UniqSupply
-import FastString
+import FastString()
import Outputable
import Control.Monad
+import Data.List
infixr 9 `thenC` -- Right-associative!
infixr 9 `thenFC`
-- by a case alternative.
Sequel
+initEobInfo :: EndOfBlockInfo
initEobInfo = EndOfBlockInfo 0 OnStack
\end{code}
where (block,blocks) = flatten stmts
(CgFork fork_id stmts : ss) ->
flatten (CgFork fork_id stmts : CgStmt stmt : ss)
+ (CgStmt {} : _) -> panic "CgStmt not seen as ordinary"
flatten (s:ss) =
case s of
where (fork_block, fork_blocks) = flatten (fromOL stmts)
where (block,blocks) = flatten ss
+isJump :: CmmStmt -> Bool
isJump (CmmJump _ _) = True
isJump (CmmBranch _) = True
isJump (CmmSwitch _ _) = True
+isJump (CmmReturn _) = True
isJump _ = False
+isOrdinaryStmt :: CgStmt -> Bool
isOrdinaryStmt (CgStmt _) = True
isOrdinaryStmt _ = False
\end{code}
}
returnFC :: a -> FCode a
-returnFC val = FCode (\info_down state -> (val, state))
+returnFC val = FCode (\_ state -> (val, state))
\end{code}
\begin{code}
\begin{code}
getState :: FCode CgState
-getState = FCode $ \info_down state -> (state,state)
+getState = FCode $ \_ state -> (state,state)
setState :: CgState -> FCode ()
-setState state = FCode $ \info_down _ -> ((),state)
+setState state = FCode $ \_ _ -> ((),state)
getStkUsage :: FCode StackUsage
getStkUsage = do
whenC :: Bool -> Code -> Code
whenC True code = code
-whenC False code = nopC
+whenC False _ = nopC
stmtC :: CmmStmt -> Code
stmtC stmt = emitCgStmt (CgStmt stmt)
labelC id = emitCgStmt (CgLabel id)
newLabelC :: FCode BlockId
-newLabelC = do { id <- newUnique; return (BlockId id) }
+newLabelC = do { u <- newUnique
+ ; return $ BlockId u }
checkedAbsC :: CmmStmt -> Code
-- Emit code, eliminating no-ops
emitProc :: CmmInfo -> CLabel -> CmmFormals -> [CmmBasicBlock] -> Code
emitProc info lbl args blocks
- = do { let proc_block = CmmProc info lbl args blocks
+ = do { let proc_block = CmmProc info lbl args (ListGraph blocks)
; state <- getState
; setState $ state { cgs_tops = cgs_tops state `snocOL` proc_block } }
emitSimpleProc lbl code
= do { stmts <- getCgStmts code
; blks <- cgStmtsToBlocks stmts
- ; emitProc CmmNonInfo lbl [] blks }
+ ; emitProc (CmmInfo Nothing Nothing CmmNonInfoTable) lbl [] blks }
getCmm :: Code -> FCode Cmm
-- Get all the CmmTops (there should be no stmts)
+-- Return a single Cmm which may be split from other Cmms by
+-- object splitting (at a later stage)
getCmm code
= do { state1 <- getState
; ((), state2) <- withState code (state1 { cgs_tops = nilOL })
; setState $ state2 { cgs_tops = cgs_tops state1 }
- ; return (Cmm (fromOL (cgs_tops state2))) }
+ ; return (Cmm (fromOL (cgs_tops state2)))
+ }
-- ----------------------------------------------------------------------------
-- CgStmts