show (LMVoid ) = "void"
show (LMStruct tys ) = "{" ++ (commaCat tys) ++ "}"
- show (LMFunction (LlvmFunctionDecl _ _ _ r VarArgs p _))
- = show r ++ " (" ++ (either commaCat commaCat p) ++ ", ...)"
- show (LMFunction (LlvmFunctionDecl _ _ _ r FixedArgs p _))
- = show r ++ " (" ++ (either commaCat commaCat p) ++ ")"
+ show (LMFunction (LlvmFunctionDecl _ _ _ r varg p _))
+ = let args = ((drop 1).concat) $ -- use drop since it can handle empty lists
+ map (\(t,a) -> "," ++ show t ++ " " ++ spaceCat a) p
+ varg' = case varg of
+ VarArgs | not (null args) -> ", ..."
+ | otherwise -> "..."
+ _otherwise -> ""
+ in show r ++ " (" ++ args ++ varg' ++ ")"
show (LMAlias s _ ) = "%" ++ unpackFS s
show (LMAdd s1 s2)
= let ty1 = getStatType s1
+ op = if isFloat ty1 then " fadd (" else " add ("
in if ty1 == getStatType s2
- then show ty1 ++ " add (" ++ show s1 ++ "," ++ show s2 ++ ")"
+ then show ty1 ++ op ++ show s1 ++ "," ++ show s2 ++ ")"
else error $ "LMAdd with different types! s1: "
++ show s1 ++ ", s2: " ++ show s2
show (LMSub s1 s2)
= let ty1 = getStatType s1
+ op = if isFloat ty1 then " fsub (" else " sub ("
in if ty1 == getStatType s2
- then show ty1 ++ " sub (" ++ show s1 ++ "," ++ show s2 ++ ")"
+ then show ty1 ++ op ++ show s1 ++ "," ++ show s2 ++ ")"
else error $ "LMSub with different types! s1: "
++ show s1 ++ ", s2: " ++ show s2
commaCat [] = ""
commaCat x = show (head x) ++ (concat $ map (\y -> "," ++ show y) (tail x))
+-- | Concatenate an array together, separated by commas
+spaceCat :: Show a => [a] -> String
+spaceCat [] = ""
+spaceCat x = show (head x) ++ (concat $ map (\y -> " " ++ show y) (tail x))
+
-- -----------------------------------------------------------------------------
-- ** Operations on LLVM Basic Types and Variables
--
-- | An LLVM Function
data LlvmFunctionDecl = LlvmFunctionDecl {
- -- | Unique identifier of the function.
+ -- | Unique identifier of the function
decName :: LMString,
- -- | LinkageType of the function.
+ -- | LinkageType of the function
funcLinkage :: LlvmLinkageType,
- -- | The calling convention of the function.
+ -- | The calling convention of the function
funcCc :: LlvmCallConvention,
-- | Type of the returned value
decReturnType :: LlvmType,
-- | Indicates if this function uses varargs
decVarargs :: LlvmParameterListType,
- -- | Signature of the parameters, can be just types or full vars
- -- if parameter names are required.
- decParams :: Either [LlvmType] [LlvmVar],
+ -- | Parameter types and attributes
+ decParams :: [LlvmParameter],
-- | Function align value, must be power of 2
funcAlign :: LMAlign
}
instance Show LlvmFunctionDecl where
show (LlvmFunctionDecl n l c r varg p a)
- = let varg' = if varg == VarArgs then ", ..." else ""
+ = let args = ((drop 1).concat) $ -- use drop since it can handle empty lists
+ map (\(t,a) -> "," ++ show t ++ " " ++ spaceCat a) p
+ varg' = case varg of
+ VarArgs | not (null args) -> ", ..."
+ | otherwise -> "..."
+ _otherwise -> ""
align = case a of
Just a' -> " align " ++ show a'
Nothing -> ""
- in show l ++ " " ++ show c ++ " " ++ show r ++ " @" ++ unpackFS n ++
- "(" ++ (either commaCat commaCat p) ++ varg' ++ ")" ++ align
+ in show l ++ " " ++ show c ++ " " ++ show r ++ " @" ++ unpackFS n ++
+ "(" ++ args ++ varg' ++ ")" ++ align
type LlvmFunctionDecls = [LlvmFunctionDecl]
+type LlvmParameter = (LlvmType, [LlvmParamAttr])
+
+-- | LLVM Parameter Attributes.
+--
+-- Parameter attributes are used to communicate additional information about
+-- the result or parameters of a function
+data LlvmParamAttr
+ -- | This indicates to the code generator that the parameter or return value
+ -- should be zero-extended to a 32-bit value by the caller (for a parameter)
+ -- or the callee (for a return value).
+ = ZeroExt
+ -- | This indicates to the code generator that the parameter or return value
+ -- should be sign-extended to a 32-bit value by the caller (for a parameter)
+ -- or the callee (for a return value).
+ | SignExt
+ -- | This indicates that this parameter or return value should be treated in
+ -- a special target-dependent fashion during while emitting code for a
+ -- function call or return (usually, by putting it in a register as opposed
+ -- to memory).
+ | InReg
+ -- | This indicates that the pointer parameter should really be passed by
+ -- value to the function.
+ | ByVal
+ -- | This indicates that the pointer parameter specifies the address of a
+ -- structure that is the return value of the function in the source program.
+ | SRet
+ -- | This indicates that the pointer does not alias any global or any other
+ -- parameter.
+ | NoAlias
+ -- | This indicates that the callee does not make any copies of the pointer
+ -- that outlive the callee itself
+ | NoCapture
+ -- | This indicates that the pointer parameter can be excised using the
+ -- trampoline intrinsics.
+ | Nest
+ deriving (Eq)
+
+instance Show LlvmParamAttr where
+ show ZeroExt = "zeroext"
+ show SignExt = "signext"
+ show InReg = "inreg"
+ show ByVal = "byval"
+ show SRet = "sret"
+ show NoAlias = "noalias"
+ show NoCapture = "nocapture"
+ show Nest = "nest"
-- | Llvm Function Attributes.
--
| LM_MO_Mul -- ^ multiply ..
| LM_MO_UDiv -- ^ unsigned integer or vector division.
| LM_MO_SDiv -- ^ signed integer ..
- | LM_MO_FDiv -- ^ floating point ..
| LM_MO_URem -- ^ unsigned integer or vector remainder (mod)
| LM_MO_SRem -- ^ signed ...
- | LM_MO_FRem -- ^ floating point ...
+
+ | LM_MO_FAdd -- ^ add two floating point or vector values.
+ | LM_MO_FSub -- ^ subtract two ...
+ | LM_MO_FMul -- ^ multiply ...
+ | LM_MO_FDiv -- ^ divide ...
+ | LM_MO_FRem -- ^ remainder ...
-- | Left shift
| LM_MO_Shl
show LM_MO_Mul = "mul"
show LM_MO_UDiv = "udiv"
show LM_MO_SDiv = "sdiv"
- show LM_MO_FDiv = "fdiv"
show LM_MO_URem = "urem"
show LM_MO_SRem = "srem"
+ show LM_MO_FAdd = "fadd"
+ show LM_MO_FSub = "fsub"
+ show LM_MO_FMul = "fmul"
+ show LM_MO_FDiv = "fdiv"
show LM_MO_FRem = "frem"
show LM_MO_Shl = "shl"
show LM_MO_LShr = "lshr"
projects / ghc-hetmet.git / blobdiff