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Generate code for binary operations
[kaleidoscope-hs.git]
/
Main.hs
diff --git
a/Main.hs
b/Main.hs
index 816692b758ceb7dce309611947d84935df97e6e8..ca6629ab447cd64b7c8748eec07ffa7fe6b34e9d 100644
(file)
--- a/
Main.hs
+++ b/
Main.hs
@@
-1,11
+1,12
@@
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE OverloadedStrings #-}
-import AST
+import AST
as K -- K for Kaleidoscope
import Utils
import Control.Monad.IO.Class
import qualified Data.Text.Lazy.IO as Text
import LLVM.AST.Constant
import LLVM.AST.Float
import Utils
import Control.Monad.IO.Class
import qualified Data.Text.Lazy.IO as Text
import LLVM.AST.Constant
import LLVM.AST.Float
+import LLVM.AST.FloatingPointPredicate hiding (False, True)
import LLVM.AST.Operand
import LLVM.AST.Type as Type
import LLVM.IRBuilder
import LLVM.AST.Operand
import LLVM.AST.Type as Type
import LLVM.IRBuilder
@@
-33,3
+34,20
@@
buildAST (TopLevelExpr x) = function "__anon_expr" [] Type.double $
buildExpr :: Expr -> IRBuilderT ModuleBuilder Operand
buildExpr (Num x) = pure $ ConstantOperand (Float (Double x))
buildExpr :: Expr -> IRBuilderT ModuleBuilder Operand
buildExpr (Num x) = pure $ ConstantOperand (Float (Double x))
+buildExpr (BinOp op a b) = do
+ opA <- buildExpr a
+ opB <- buildExpr b
+ tmp <- instr opA opB
+ if isCmp
+ then uitofp tmp Type.double
+ else return tmp
+ where isCmp
+ | Cmp _ <- op = True
+ | otherwise = False
+ instr = case op of
+ K.Add -> fadd
+ K.Sub -> fsub
+ K.Mul -> fmul
+ K.Cmp LT -> fcmp OLT
+ K.Cmp GT -> fcmp OGT
+ K.Cmp EQ -> fcmp OEQ