From 42e484fd8552d480becafcfecbaeac826466b88c Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Tue, 24 Jan 2017 21:53:12 +0100
Subject: Compile to LLVM IR

---
 main.hs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/main.hs b/main.hs
index 7828034..b4a66d0 100644
--- a/main.hs
+++ b/main.hs
@@ -1,9 +1,13 @@
 module Main where
 
 import Control.Monad
+import Control.Monad.Except
 import Data.Either
 import System.Environment
 import System.Exit
+import qualified LLVM.General as General
+import qualified LLVM.General.Context as General
+import qualified LLVM.General.Target as General
 
 import Check
 import Codegen
@@ -23,6 +27,11 @@ dieShow :: (Show a) => a -> IO ()
 dieShow = die . show
 
 
+assert :: ExceptT String IO a -> IO a
+assert ex = do
+    e <- runExceptT ex
+    either die return e >> (return $ (\(Right r) -> r) e)
+
 main :: IO ()
 main = do
     args <- getArgs
@@ -43,3 +52,16 @@ main = do
     llvmMod <- either die return $ codegen checked "Module" fname
     putStrLn "Module:"
     print llvmMod
+
+    General.withContext $ \context -> do
+        assert $ General.withModuleFromAST context llvmMod $ \genmod -> do
+            llvmasm <- General.moduleLLVMAssembly genmod
+            putStr llvmasm
+            putStrLn ""
+            -- assert $ General.withHostTargetMachine $ \machine -> do
+            --     General.getTargetMachineTriple machine >>= putStrLn
+            --     putStrLn ""
+            --     assert (General.moduleTargetAssembly machine genmod)
+            --         >>= putStr
+            --     bs <- assert $ General.moduleObject machine genmod
+            --     BS.writeFile "output_gen.o" bs
-- 
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