Add a test simplrun010 for trac #1947

testsuite/tests/ghc-regress/simplCore/should_run/all.T

@@ -18,3 +18,6 @@ test('simplrun006', expect_broken(149), compile_and_run, [''])
 test('simplrun007', normal, compile_and_run, [''])
 test('simplrun008', normal, compile_and_run, [''])
 test('simplrun009', normal, compile_and_run, [''])
+test('simplrun010', composes([extra_run_opts('24 16 8'),
+                              exit_code(1)])
+                  , compile_and_run, [''])

testsuite/tests/ghc-regress/simplCore/should_run/simplrun010.hs

+{-# OPTIONS_GHC -fffi -fglasgow-exts #-}
+
+-- From trac #1947
+
+module Main(main) where
+
+import System.IO.Unsafe
+import System.IO
+import System.Environment
+import System.Exit
+import Foreign.C.Types
+import Data.Char(ord,chr)
+
+
+-- low level imports
+import GHC.Base                 (realWorld#)
+import GHC.IOBase               (IO(IO), unIO, unsafePerformIO)
+import GHC.Prim                 (State#,RealWorld)
+
+
+-- FFI replacements for Haskell stuff
+foreign import ccall unsafe "stdio.h getchar" getchar :: IO CInt
+foreign import ccall unsafe "ctype.h iswspace" isspace :: CInt -> CInt
+
+
+skipCAF :: State# RealWorld -> a -> a
+skipCAF _ x = x
+
+
+-- IO Subsystem
+-- Unboxed IO is more efficient, but requires a certain level of
+-- optimisation, so provide a BOXED_IO fallback
+
+data RW_Box = RW_Box (State# RealWorld)
+type RW_Pair a = (RW_Box, a)
+
+fromIO :: IO a -> (RW_Box -> RW_Pair a)
+fromIO a (RW_Box r) = case unIO a r of (# r, x #) -> (RW_Box r, x)
+
+toIO :: (RW_Box -> RW_Pair a) -> IO a
+toIO f = IO $ \r -> case f (RW_Box r) of (RW_Box r, x) -> (# r, x #)
+
+-- IO functions not dependent on the IO primitives
+main :: IO ()
+main = toIO main_generated
+
+typeRealWorld :: RW_Box -> RW_Box
+typeRealWorld x = x
+
+overlay_get_char :: RW_Box -> RW_Pair Int
+overlay_get_char = fromIO $ do
+    c <- getchar
+    return $ fromIntegral c
+
+system_IO_hPutChar :: Handle -> Int -> RW_Box -> RW_Pair ()
+system_IO_hPutChar h c = fromIO $ hPutChar h (chr c)
+
+overlay_errorIO :: [Int] -> RW_Box -> RW_Pair a
+overlay_errorIO x r = case fromIO (putStrLn ("ERROR: " ++ map chr x)) r of
+                           (r, _) -> fromIO exitFailure r
+
+system_Environment_getArgs :: RW_Box -> RW_Pair [[Int]]
+system_Environment_getArgs r = case (fromIO getArgs) r of
+                                    (r, s) -> (r, map str_ s)
+
+overlay_supero_wrap x = x
+
+
+-- Primitives
+prelude_seq = seq
+
+prelude_error x = error (map chr x)
+
+aDD_W = (+) :: Int -> Int -> Int
+mUL_W = (*) :: Int -> Int -> Int
+sUB_W = (-) :: Int -> Int -> Int
+eQ_W = (==) :: Int -> Int -> Bool
+nE_W = (/=) :: Int -> Int -> Bool
+gT_W = (>) :: Int -> Int -> Bool
+gE_W = (>=) :: Int -> Int -> Bool
+lT_W = (<) :: Int -> Int -> Bool
+lE_W = (<=) :: Int -> Int -> Bool
+qUOT = quot :: Int -> Int -> Int
+rEM = rem :: Int -> Int -> Int
+nEG_W = negate :: Int -> Int
+yHC_Primitive_primIntAbs = abs :: Int -> Int
+yHC_Primitive_primIntSignum = signum :: Int -> Int
+yHC_Primitive_primIntegerAdd = (+) :: Integer -> Integer -> Integer
+yHC_Primitive_primIntegerEq = (==) :: Integer -> Integer -> Bool
+yHC_Primitive_primIntegerFromInt = toInteger :: Int -> Integer
+yHC_Primitive_primIntegerGe = (>=) :: Integer -> Integer -> Bool
+yHC_Primitive_primIntegerGt = (>) :: Integer -> Integer -> Bool
+yHC_Primitive_primIntegerLe = (<=) :: Integer -> Integer -> Bool
+yHC_Primitive_primIntegerMul = (*) :: Integer -> Integer -> Integer
+yHC_Primitive_primIntegerNe = (/=) :: Integer -> Integer -> Bool
+yHC_Primitive_primIntegerNeg = negate :: Integer -> Integer
+yHC_Primitive_primIntegerQuot = quot :: Integer -> Integer -> Integer
+yHC_Primitive_primIntegerQuotRem = quotRem :: Integer -> Integer -> (Integer, Integer)
+yHC_Primitive_primIntegerRem = rem :: Integer -> Integer -> Integer
+yHC_Primitive_primIntFromInteger = fromInteger :: Integer -> Int
+yHC_Primitive_primIntegerLt = (<) :: Integer -> Integer -> Bool
+yHC_Primitive_primIntegerSub = (-) :: Integer -> Integer -> Integer
+
+aDD_D = (+) :: Double -> Double -> Double
+sUB_D = (-) :: Double -> Double -> Double
+lT_D = (<) :: Double -> Double -> Bool
+lE_D = (<=) :: Double -> Double -> Bool
+gT_D = (>) :: Double -> Double -> Bool
+gE_D = (>=) :: Double -> Double -> Bool
+eQ_D = (==) :: Double -> Double -> Bool
+mUL_D = (*) :: Double -> Double -> Double
+nEG_D = (negate) :: Double -> Double
+nE_D = (/=) :: Double -> Double -> Bool
+sLASH_D = (/) :: Double -> Double -> Double
+yHC_Primitive_primDecodeDouble = decodeFloat :: Double -> (Integer,Int)
+yHC_Primitive_primDoubleACos = acos :: Double -> Double
+yHC_Primitive_primDoubleASin = asin :: Double -> Double
+yHC_Primitive_primDoubleATan = atan :: Double -> Double
+yHC_Primitive_primDoubleAbs = abs :: Double -> Double
+yHC_Primitive_primDoubleCos = cos :: Double -> Double
+yHC_Primitive_primDoubleExp = exp :: Double -> Double
+yHC_Primitive_primDoubleFromInteger = fromInteger :: Integer -> Double
+yHC_Primitive_primDoubleLog = log :: Double -> Double
+yHC_Primitive_primDoublePow = (**) :: Double -> Double -> Double
+yHC_Primitive_primDoubleSignum = signum :: Double -> Double
+yHC_Primitive_primDoubleSin = sin :: Double -> Double
+yHC_Primitive_primDoubleSqrt = sqrt :: Double -> Double
+yHC_Primitive_primDoubleTan = tan :: Double -> Double
+yHC_Primitive_primEncodeDouble = encodeFloat :: Integer -> Int -> Double
+
+
+
+
+-- things which Yhc decides should be hopelessly slow
+prelude_Int_Integral_mod = mod :: Int -> Int -> Int
+prelude_Integer_Integral_div = div :: Integer -> Integer -> Integer
+prelude_Integer_Integral_mod = mod :: Integer -> Integer -> Integer
+prelude_Integer_Num_signum = signum :: Integer -> Integer
+prelude_Integer_Num_abs = abs :: Integer -> Integer
+
+
+int_ x = x :: Int
+chr_ x = ord x
+str_ x = map chr_ x
+
+
+system_IO_stdin = stdin
+system_IO_stdout = stdout
+
+data_Char_isSpace :: Int -> Bool
+data_Char_isSpace c = isspace (toEnum c) /= 0
+
+
+
+type ReadsPrec a = Int -> [Int] -> [(a,[Int])]
+
+
+prelude_Int_Read_readsPrec :: ReadsPrec Int
+prelude_Int_Read_readsPrec p s = [(a, str_ b) | (a,b) <- readsPrec p (map chr s)]
+prelude_Int_Read_readList = undefined
+
+prelude_Integer_Read_readsPrec :: ReadsPrec Integer
+prelude_Integer_Read_readsPrec p s = [(a, str_ b) | (a,b) <- readsPrec p (map chr s)]
+prelude_Integer_Read_readList = undefined
+
+prelude_Double_Read_readsPrec :: ReadsPrec Double
+prelude_Double_Read_readsPrec p s = [(a, str_ b) | (a,b) <- readsPrec p (map chr s)]
+prelude_Double_Read_readList = undefined
+
+prelude_Char_Read_readsPrec :: ReadsPrec Int
+prelude_Char_Read_readsPrec p s = [(chr_ (a :: Char), str_ b) | (a,b) <- readsPrec p (map chr s)]
+
+prelude_Char_Show_showList :: [Int] -> [Int] -> [Int]
+prelude_Char_Show_showList value rest = str_ (show (map chr value)) ++ rest
+
+prelude_Char_Show_showsPrec :: Int -> Int -> [Int] -> [Int]
+prelude_Char_Show_showsPrec prec i rest = str_ (showsPrec prec (chr i) []) ++ rest
+
+prelude_Int_Show_showsPrec :: Int -> Int -> [Int] -> [Int]
+prelude_Int_Show_showsPrec prec i rest = str_ (showsPrec prec i []) ++ rest
+
+prelude_Integer_Show_showsPrec :: Int -> Integer -> [Int] -> [Int]
+prelude_Integer_Show_showsPrec prec i rest = str_ (showsPrec prec i []) ++ rest
+
+prelude_Double_Show_showsPrec :: Int -> Double -> [Int] -> [Int]
+prelude_Double_Show_showsPrec prec i rest = str_ (showsPrec prec i []) ++ rest
+
+
+prelude_'amp'amp27 v1 v2 =
+    case (data_Char_isSpace v1) of
+        True ->
+            case v2 of
+                [] -> True
+                (:) v4 v5 -> prelude_'amp'amp27 v4 v5
+        False -> False
+
+prelude_LAMBDA22 v1 v2 =
+    case v1 of
+        (,) v267 v268 ->
+            case v268 of
+                [] -> prelude_LAMBDA24 v267 v2
+                (:) v7 v8 ->
+                    let v11 = prelude_'amp'amp27 v7 v8
+                    in case v11 of
+                           True -> prelude_LAMBDA24 v267 v2
+                           False -> prelude__foldr25 v2
+
+prelude_LAMBDA24 v1 v2 = (:) v1 (prelude__foldr25 v2)
+
+prelude_IO_Monad_fail41 v1 =
+    overlay_errorIO
+      (skipCAF realWorld# (str_ "pattern-match failure in do expression"))
+      v1
+
+prelude__foldr25 v1 =
+    case v1 of
+        [] -> []
+        (:) v296 v297 -> prelude_LAMBDA22 v296 v297
+
+f17 uncaf = skipCAF uncaf (str_ "Prelude.read: no parse")
+
+f18 v1 v2 =
+    case v1 of
+        (,) v176 v177 ->
+            case v177 of
+                [] -> f20 v176 v2
+                (:) v7 v8 ->
+                    let v11 = prelude_'amp'amp27 v7 v8
+                    in case v11 of
+                           True -> f20 v176 v2
+                           False ->
+                               case v2 of
+                                   [] -> prelude_error (f17 realWorld#)
+                                   (:) v4 v5 -> f18 v4 v5
+
+f20 v1 v2 =
+    case v2 of
+        [] -> v1
+        (:) v257 v258 ->
+            let v9 = prelude_LAMBDA22 v257 v258
+            in case v9 of
+                   [] -> v1
+                   (:) v10 v11 ->
+                       prelude_error
+                         (skipCAF realWorld# (str_ "Prelude.read: ambiguous parse"))
+
+f34 v1 v2 v3 =
+    let v336 = f34 v1 v2 v3
+    in v336
+
+f38 v1 v2 =
+    case v1 of
+        [] -> system_IO_hPutChar system_IO_stdout (chr_ '\n') v2
+        (:) v350 v351 ->
+            case (system_IO_hPutChar
+                    system_IO_stdout
+                    v350
+                    (typeRealWorld v2)) of
+                ( v7  , v8  ) -> f38 v351 v7
+
+main_generated v1 =
+    case (system_Environment_getArgs (typeRealWorld v1)) of
+        ( v3  , v4  ) ->
+            case v4 of
+                (:) v7 v8 ->
+                    case v8 of
+                        (:) v9 v12 ->
+                            case v12 of
+                                (:) v13 v14 ->
+                                    case v14 of
+                                        [] ->
+                                            case (prelude_Int_Show_showsPrec
+                                                    (int_ 0)
+                                                    (let v8 =
+                                                             case (prelude_Int_Read_readsPrec
+                                                                     (int_ 0)
+                                                                     v7) of
+                                                                 [] -> prelude_error (f17 realWorld#)
+                                                                 (:) v12 v14 -> f18 v12 v14
+                                                         v10 =
+                                                             case (prelude_Int_Read_readsPrec
+                                                                     (int_ 0)
+                                                                     v9) of
+                                                                 [] -> prelude_error (f17 realWorld#)
+                                                                 (:) v15 v16 -> f18 v15 v16
+                                                         v11 =
+                                                             case (prelude_Int_Read_readsPrec
+                                                                     (int_ 0)
+                                                                     v13) of
+                                                                 [] -> prelude_error (f17 realWorld#)
+                                                                 (:) v17 v18 -> f18 v17 v18
+                                                     in case (lT_W v10 v8) of
+                                                            True ->
+                                                                let v7 = f34 v8 v10 v11
+                                                                in v7
+                                                            False -> v11)
+                                                    (skipCAF realWorld# (str_ ""))) of
+                                                [] ->
+                                                    system_IO_hPutChar
+                                                      system_IO_stdout
+                                                      (chr_ '\n')
+                                                      (typeRealWorld v3)
+                                                (:) v11 v12 ->
+                                                    case (system_IO_hPutChar
+                                                            system_IO_stdout
+                                                            v11
+                                                            (typeRealWorld (typeRealWorld v3))) of
+                                                        ( v7  , v8  ) -> f38 v12 v7
+                                        (:) v15 v16 -> prelude_IO_Monad_fail41 v3
+                                [] -> prelude_IO_Monad_fail41 v3
+                        [] -> prelude_IO_Monad_fail41 v3
+                [] -> prelude_IO_Monad_fail41 v3
+

testsuite/tests/ghc-regress/simplCore/should_run/simplrun010.stderr

+simplrun010: <<loop>>