+ | val == 0 = exitWith ExitSuccess
+ | otherwise = do hPutStr stderr "\nCompilation had errors\n\n"
+ exitWith (ExitFailure val)
+\end{code}
+
+\begin{code}
+doIfSet :: Bool -> IO () -> IO ()
+doIfSet flag action | flag = action
+ | otherwise = return ()
+
+doIfSet_dyn :: DynFlags -> DynFlag -> IO () -> IO()
+doIfSet_dyn dflags flag action | dopt flag dflags = action
+ | otherwise = return ()
+\end{code}
+
+\begin{code}
+showPass :: DynFlags -> String -> IO ()
+showPass dflags what
+ | verbosity dflags >= 2 = hPutStr stderr ("*** "++what++":\n")
+ | otherwise = return ()
+
+dumpIfSet :: Bool -> String -> SDoc -> IO ()
+dumpIfSet flag hdr doc
+ | not flag = return ()
+ | otherwise = printDump (dump hdr doc)
+
+dumpIfSet_core :: DynFlags -> DynFlag -> String -> SDoc -> IO ()
+dumpIfSet_core dflags flag hdr doc
+ | dopt flag dflags
+ || verbosity dflags >= 4
+ || dopt Opt_D_verbose_core2core dflags = printDump (dump hdr doc)
+ | otherwise = return ()
+
+dumpIfSet_dyn :: DynFlags -> DynFlag -> String -> SDoc -> IO ()
+dumpIfSet_dyn dflags flag hdr doc
+ | dopt flag dflags || verbosity dflags >= 4
+ = if flag `elem` [Opt_D_dump_stix, Opt_D_dump_asm]
+ then printForC stdout (dump hdr doc)
+ else printDump (dump hdr doc)
+ | otherwise
+ = return ()
+
+dumpIfSet_dyn_or :: DynFlags -> [DynFlag] -> String -> SDoc -> IO ()
+dumpIfSet_dyn_or dflags flags hdr doc
+ | or [dopt flag dflags | flag <- flags]
+ || verbosity dflags >= 4
+ = printDump (dump hdr doc)
+ | otherwise = return ()
+
+dump hdr doc
+ = vcat [text "",
+ line <+> text hdr <+> line,
+ doc,
+ text ""]
+ where
+ line = text (replicate 20 '=')