ppLlvmFunctionDecl,
ppLlvmFunctions,
ppLlvmFunction,
+
+ -- * Utility functions
llvmSDoc
) where
import Data.List ( intersperse )
import Pretty
-import qualified Outputable as Outp
+import qualified Outputable as Out
import Unique
--------------------------------------------------------------------------------
-- | Print out a comment, can be inside a function or on its own
ppLlvmComment :: LMString -> Doc
-ppLlvmComment com = semi <+> (ftext com)
+ppLlvmComment com = semi <+> ftext com
-- | Print out a list of global mutable variable definitions
-- | Print out a global mutable variable definition
ppLlvmGlobal :: LMGlobal -> Doc
-ppLlvmGlobal (var@(LMGlobalVar _ _ link), Nothing) =
- ppAssignment var $ text (show link) <+> text "global" <+>
- (text $ show (pLower $ getVarType var))
+ppLlvmGlobal = ppLlvmGlobal' (text "global")
+
+ppLlvmGlobal' :: Doc -> LMGlobal -> Doc
+ppLlvmGlobal' vty (var@(LMGlobalVar _ _ link x a), cont) =
+ let sect = case x of
+ Just x' -> text ", section" <+> doubleQuotes (ftext x')
+ Nothing -> empty
+
+ align = case a of
+ Just a' -> text ", align" <+> int a'
+ Nothing -> empty
+
+ rhs = case cont of
+ Just stat -> texts stat
+ Nothing -> texts (pLower $ getVarType var)
-ppLlvmGlobal (var@(LMGlobalVar _ _ link), (Just stat)) =
- ppAssignment var $ text (show link) <+> text "global" <+> text (show stat)
+ in ppAssignment var $ texts link <+> vty <+> rhs <> sect <> align
-ppLlvmGlobal oth = error $ "Non Global var ppr as global! " ++ show oth
+ppLlvmGlobal' _ oth = error $ "Non Global var ppr as global! " ++ show oth
-- | Print out a list global constant variable
-- | Print out a global constant variable
ppLlvmConstant :: LMConstant -> Doc
-ppLlvmConstant (dst@(LMGlobalVar _ _ link), src) =
- ppAssignment dst $ text (show link) <+> text "constant" <+> text (show src)
-
-ppLlvmConstant c = error $ "Non global var as constant! " ++ show c
+ppLlvmConstant (v,s) = ppLlvmGlobal' (text "constant") (v, Just s)
-- | Print out a list of LLVM type aliases.
ppLlvmType :: LlvmType -> Doc
ppLlvmType al@(LMAlias _ t)
- = (text $ show al) <+> equals <+> (text "type") <+> (text $ show t)
+ = texts al <+> equals <+> text "type" <+> texts t
ppLlvmType (LMFunction t)
= ppLlvmFunctionDecl t
-- | Print out a function definition.
ppLlvmFunction :: LlvmFunction -> Doc
-ppLlvmFunction (LlvmFunction dec attrs body) =
+ppLlvmFunction (LlvmFunction dec attrs sec body) =
let attrDoc = ppSpaceJoin attrs
- in (text "define") <+> (ppLlvmFuncDecSig dec)
- <+> attrDoc
+ secDoc = case sec of
+ Just s' -> text "section " <+> (doubleQuotes $ ftext s')
+ Nothing -> empty
+ in text "define" <+> texts dec
+ <+> attrDoc <+> secDoc
$+$ lbrace
$+$ ppLlvmBlocks body
$+$ rbrace
-- Declarations define the function type but don't define the actual body of
-- the function.
ppLlvmFunctionDecl :: LlvmFunctionDecl -> Doc
-ppLlvmFunctionDecl dec = (text "declare") <+> ppLlvmFuncDecSig dec
-
--- | Print out a functions type signature.
--- This differs from [ppLlvmFunctionDecl] in that it is used for both function
--- declarations and defined functions to print out the type.
-ppLlvmFuncDecSig :: LlvmFunctionDecl -> Doc
-ppLlvmFuncDecSig (LlvmFunctionDecl name link cc retTy argTy params)
- = let linkTxt = show link
- linkDoc | linkTxt == "" = empty
- | otherwise = (text linkTxt) <> space
- ppParams = either ppCommaJoin ppCommaJoin params <>
- (case argTy of
- VarArgs -> (text ", ...")
- FixedArgs -> empty)
- in linkDoc <> (text $ show cc) <+> (text $ show retTy)
- <+> atsym <> (ftext name) <> lparen <+> ppParams <+> rparen
+ppLlvmFunctionDecl dec = text "declare" <+> texts dec
-- | Print out a list of LLVM blocks.
ppLlvmBlock :: LlvmBlock -> Doc
ppLlvmBlock (LlvmBlock blockId stmts)
= ppLlvmStatement (MkLabel blockId)
- $+$ nest 4 (vcat $ map ppLlvmStatement stmts)
+ $+$ nest 4 (vcat $ map ppLlvmStatement stmts)
-- | Print out an LLVM statement.
LMLocalVar _ (LMPointer (LMFunction d)) -> ppCall' d
-- should be function type otherwise
- LMGlobalVar _ (LMFunction d) _ -> ppCall' d
+ LMGlobalVar _ (LMFunction d) _ _ _ -> ppCall' d
-- not pointer or function, so error
_other -> error $ "ppCall called with non LMFunction type!\nMust be "
++ "local var of pointer function type."
where
- ppCall' (LlvmFunctionDecl _ _ cc ret argTy params) =
+ ppCall' (LlvmFunctionDecl _ _ cc ret argTy params _) =
let tc = if ct == TailCall then text "tail " else empty
ppValues = ppCommaJoin vals
ppArgTy = either ppCommaJoin (\x -> ppCommaJoin $ map getVarType x) params <>
(case argTy of
- VarArgs -> (text ", ...")
+ VarArgs -> text ", ..."
FixedArgs -> empty)
- fnty = space <> lparen <> ppArgTy <> rparen <> (text "*")
+ fnty = space <> lparen <> ppArgTy <> rparen <> text "*"
attrDoc = ppSpaceJoin attrs
- in tc <> (text "call") <+> (text $ show cc) <+> (text $ show ret)
+ in tc <> text "call" <+> texts cc <+> texts ret
<> fnty <+> (text $ getName fptr) <> lparen <+> ppValues
<+> rparen <+> attrDoc
ppMachOp :: LlvmMachOp -> LlvmVar -> LlvmVar -> Doc
ppMachOp op left right =
- (text $ show op) <+> (text $ show (getVarType left)) <+> (text $ getName left)
+ (texts op) <+> (texts (getVarType left)) <+> (text $ getName left)
<> comma <+> (text $ getName right)
| otherwise = error ("can't compare different types, left = "
++ (show $ getVarType left) ++ ", right = "
++ (show $ getVarType right))
- in cmpOp <+> (text $ show op) <+> (text $ show (getVarType left))
+ in cmpOp <+> texts op <+> texts (getVarType left)
<+> (text $ getName left) <> comma <+> (text $ getName right)
ppLoad :: LlvmVar -> Doc
-ppLoad var = (text "load") <+> (text $ show var)
+ppLoad var = text "load" <+> texts var
ppStore :: LlvmVar -> LlvmVar -> Doc
-ppStore val dst =
- (text "store") <+> (text $ show val) <> comma <+> (text $ show dst)
+ppStore val dst = text "store" <+> texts val <> comma <+> texts dst
ppCast :: LlvmCastOp -> LlvmVar -> LlvmType -> Doc
-ppCast op from to =
- let castOp = text $ show op
- in castOp <+> (text $ show from) <+> (text "to") <+> (text $ show to)
+ppCast op from to = texts op <+> texts from <+> text "to" <+> texts to
ppMalloc :: LlvmType -> Int -> Doc
ppMalloc tp amount =
let amount' = LMLitVar $ LMIntLit (toInteger amount) i32
- in (text "malloc") <+> (text $ show tp) <> comma <+> (text $ show amount')
+ in text "malloc" <+> texts tp <> comma <+> texts amount'
ppAlloca :: LlvmType -> Int -> Doc
ppAlloca tp amount =
let amount' = LMLitVar $ LMIntLit (toInteger amount) i32
- in (text "alloca") <+> (text $ show tp) <> comma <+> (text $ show amount')
+ in text "alloca" <+> texts tp <> comma <+> texts amount'
ppGetElementPtr :: LlvmVar -> [Int] -> Doc
ppGetElementPtr ptr idx =
- let indexes = hcat $ map ((comma <+> (text $ show i32) <+>) . text . show) idx
- in (text "getelementptr") <+> (text $ show ptr) <> indexes
+ let indexes = hcat $ map ((comma <+> texts i32 <+>) . texts) idx
+ in text "getelementptr" <+> texts ptr <> indexes
ppReturn :: Maybe LlvmVar -> Doc
-ppReturn (Just var) = (text "ret") <+> (text $ show var)
-ppReturn Nothing = (text "ret") <+> (text $ show LMVoid)
+ppReturn (Just var) = text "ret" <+> texts var
+ppReturn Nothing = text "ret" <+> texts LMVoid
ppBranch :: LlvmVar -> Doc
-ppBranch var = (text "br") <+> (text $ show var)
+ppBranch var = text "br" <+> texts var
ppBranchIf :: LlvmVar -> LlvmVar -> LlvmVar -> Doc
ppBranchIf cond trueT falseT
- = (text "br") <+> (text $ show cond) <> comma <+> (text $ show trueT) <> comma
- <+> (text $ show falseT)
+ = text "br" <+> texts cond <> comma <+> texts trueT <> comma <+> texts falseT
ppPhi :: LlvmType -> [(LlvmVar,LlvmVar)] -> Doc
ppPhi tp preds =
let ppPreds (val, label) = brackets $ (text $ getName val) <> comma
<+> (text $ getName label)
- in (text "phi") <+> (text $ show tp)
- <+> (hcat $ intersperse comma (map ppPreds preds))
+ in text "phi" <+> texts tp <+> hcat (intersperse comma $ map ppPreds preds)
ppSwitch :: LlvmVar -> LlvmVar -> [(LlvmVar,LlvmVar)] -> Doc
ppSwitch scrut dflt targets =
- let ppTarget (val, lab) = (text $ show val) <> comma <+> (text $ show lab)
+ let ppTarget (val, lab) = texts val <> comma <+> texts lab
ppTargets xs = brackets $ vcat (map ppTarget xs)
- in (text "switch") <+> (text $ show scrut) <> comma <+> (text $ show dflt)
- <+> (ppTargets targets)
+ in text "switch" <+> texts scrut <> comma <+> texts dflt
+ <+> ppTargets targets
--------------------------------------------------------------------------------
-- * Misc functions
--------------------------------------------------------------------------------
-atsym :: Doc
-atsym = text "@"
-
ppCommaJoin :: (Show a) => [a] -> Doc
-ppCommaJoin strs = hcat $ intersperse comma (map (text . show) strs)
+ppCommaJoin strs = hcat $ intersperse comma (map texts strs)
ppSpaceJoin :: (Show a) => [a] -> Doc
-ppSpaceJoin strs = hcat $ intersperse space (map (text . show) strs)
+ppSpaceJoin strs = hcat $ intersperse space (map texts strs)
-- | Convert SDoc to Doc
-llvmSDoc :: Outp.SDoc -> Doc
+llvmSDoc :: Out.SDoc -> Doc
llvmSDoc d
- = Outp.withPprStyleDoc (Outp.mkCodeStyle Outp.CStyle) d
+ = Out.withPprStyleDoc (Out.mkCodeStyle Out.CStyle) d
+
+-- | Showable to Doc
+texts :: (Show a) => a -> Doc
+texts = (text . show)
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