X-Git-Url: http://git.lukelau.me/?a=blobdiff_plain;f=Main.hs;h=c3f929214099d738794ea2b6a76abe7be0d3124f;hb=8386b89c4a269b7ba16a3a26517894c33393a795;hp=f32003bdd2dbb48eba325526bf1849444fd1d09d;hpb=42c91e48890ad2dbdf440a6c8dd96fa6c3333b48;p=kaleidoscope-hs.git

diff --git a/Main.hs b/Main.hs
index f32003b..c3f9292 100644
--- a/Main.hs
+++ b/Main.hs
@@ -2,26 +2,35 @@
 
 import AST as K -- K for Kaleidoscope
 import Utils
+import Control.Monad.Trans.Class
 import Control.Monad.Trans.Reader
 import Control.Monad.IO.Class
 import Data.String
 import qualified Data.Map as Map
 import qualified Data.Text.Lazy.IO as Text
+import LLVM.AST.AddrSpace
 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.Context
 import LLVM.IRBuilder
+import LLVM.Module
+import LLVM.PassManager
 import LLVM.Pretty
+import LLVM.Target
 import System.IO
 import System.IO.Error
 import Text.Read (readMaybe)
 
 main :: IO ()
-main = buildModuleT "main" repl >>= Text.hPutStrLn stderr . ("\n" <>) . ppll
+main = do
+  withContext $ \ctx -> withHostTargetMachineDefault $ \tm -> do
+    ast <- runReaderT (buildModuleT "main" repl) ctx
+    return ()
 
-repl :: ModuleBuilderT IO ()
+repl :: ModuleBuilderT (ReaderT Context IO) ()
 repl = do
   liftIO $ hPutStr stderr "ready> "
   mline <- liftIO $ catchIOError (Just <$> getLine) eofHandler
@@ -33,6 +42,14 @@ repl = do
         Just ast -> do
           hoist $ buildAST ast
           mostRecentDef >>= liftIO . Text.hPutStrLn stderr . ppll
+
+          ast <- moduleSoFar "main"
+          ctx <- lift ask
+          liftIO $ withModuleFromAST ctx ast $ \mdl -> do
+            let spec = defaultCuratedPassSetSpec { optLevel = Just 3 }
+            -- this returns true if the module was modified
+            withPassManager spec $ flip runPassManager mdl
+            Text.hPutStrLn stderr . ("\n" <>) . ppllvm =<< moduleAST mdl
       repl
   where
     eofHandler e
@@ -80,3 +97,12 @@ buildExpr (BinOp op a b) = do
                   K.Cmp LT -> fcmp OLT
                   K.Cmp GT -> fcmp OGT
                   K.Cmp EQ -> fcmp OEQ
+
+buildExpr (Call callee params) = do
+  paramOps <- mapM buildExpr params
+  let nam = fromString callee
+      -- get a pointer to the function
+      typ = FunctionType Type.double (replicate (length params) Type.double) False
+      ptrTyp = Type.PointerType typ (AddrSpace 0)
+      ref = GlobalReference ptrTyp nam
+  call (ConstantOperand ref) (zip paramOps (repeat []))