= LMIntLit Integer LlvmType
-- | Floating point literal
| LMFloatLit Double LlvmType
+ -- | Literal NULL, only applicable to pointer types
+ | LMNullLit LlvmType
+ -- | Undefined value, random bit pattern. Useful for optimisations.
+ | LMUndefLit LlvmType
deriving (Eq)
instance Show LlvmLit where
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
getLit (LMFloatLit r LMFloat ) = fToStr $ realToFrac r
getLit (LMFloatLit r LMDouble) = dToStr r
getLit f@(LMFloatLit _ _) = error $ "Can't print this float literal!" ++ show f
+getLit (LMNullLit _) = "null"
+getLit (LMUndefLit _) = "undef"
-- | Return the 'LlvmType' of the 'LlvmVar'
getVarType :: LlvmVar -> LlvmType
getLitType :: LlvmLit -> LlvmType
getLitType (LMIntLit _ t) = t
getLitType (LMFloatLit _ t) = t
+getLitType (LMNullLit t) = t
+getLitType (LMUndefLit t) = t
-- | Return the 'LlvmType' of the 'LlvmStatic'
getStatType :: LlvmStatic -> LlvmType
| 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"