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-rw-r--r--compiler/GHC/Driver/Pipeline.hs66
1 files changed, 2 insertions, 64 deletions
diff --git a/compiler/GHC/Driver/Pipeline.hs b/compiler/GHC/Driver/Pipeline.hs
index 59cb28eccc..55b6a28970 100644
--- a/compiler/GHC/Driver/Pipeline.hs
+++ b/compiler/GHC/Driver/Pipeline.hs
@@ -720,63 +720,6 @@ fullPipeline pipe_env hsc_env pp_fn src_flavour = do
<- use (T_HscRecomp pipe_env hsc_env' input_fn src_flavour)
hscPipeline pipe_env (hsc_env_with_plugins, mod_sum, hsc_recomp_status)
-checkDynamicToo :: P m => HscEnv -> (HscEnv -> m (ModIface, Maybe Linkable)) -> (ModIface, Maybe Linkable) -> m (ModIface, Maybe Linkable)
-checkDynamicToo hsc_env dyn_too_rerun res = do
- liftIO (dynamicTooState (hsc_dflags hsc_env)) >>= \case
- DT_Dont -> return res
- DT_Dyn -> return res
- DT_OK -> return res
- -- If we are compiling a Haskell module with -dynamic-too, we
- -- first try the "fast path": that is we compile the non-dynamic
- -- version and at the same time we check that interfaces depended
- -- on exist both for the non-dynamic AND the dynamic way. We also
- -- check that they have the same hash.
- -- If they don't, dynamicTooState is set to DT_Failed.
- -- See GHC.Iface.Load.checkBuildDynamicToo
- -- If they do, in the end we produce both the non-dynamic and
- -- dynamic outputs.
- --
- -- If this "fast path" failed, we execute the whole pipeline
- -- again, this time for the dynamic way *only*. To do that we
- -- just set the dynamicNow bit from the start to ensure that the
- -- dynamic DynFlags fields are used and we disable -dynamic-too
- -- (its state is already set to DT_Failed so it wouldn't do much
- -- anyway).
- DT_Failed
- -- NB: Currently disabled on Windows (ref #7134, #8228, and #5987)
- | OSMinGW32 <- platformOS (targetPlatform dflags) -> return res
- | otherwise -> do
- liftIO (debugTraceMsg logger 4
- (text "Running the full pipeline again for -dynamic-too"))
- hsc_env' <- liftIO (resetHscEnv hsc_env)
- dyn_too_rerun hsc_env'
- where
- dflags = hsc_dflags hsc_env
- logger = hsc_logger hsc_env
-
--- | Enable dynamic-too, reset EPS
-resetHscEnv :: HscEnv -> IO HscEnv
-resetHscEnv hsc_env = do
- let init_dflags = hsc_dflags hsc_env
- dflags0 = flip gopt_unset Opt_BuildDynamicToo
- $ setDynamicNow -- -dynamic
- $ (init_dflags { hiSuf_ = dynHiSuf_ init_dflags -- -hisuf = -dynhisuf
- , objectSuf_ = dynObjectSuf_ init_dflags -- -osuf = -dynosuf
- })
- hsc_env' <- newHscEnv dflags0
- (dbs,unit_state,home_unit,mconstants) <- initUnits (hsc_logger hsc_env) dflags0 Nothing
- dflags1 <- updatePlatformConstants dflags0 mconstants
- unit_env0 <- initUnitEnv (ghcNameVersion dflags1) (targetPlatform dflags1)
- let unit_env = unit_env0
- { ue_home_unit = Just home_unit
- , ue_units = unit_state
- , ue_unit_dbs = Just dbs
- }
- let hsc_env'' = hscSetFlags dflags1 $ hsc_env'
- { hsc_unit_env = unit_env
- }
- return hsc_env''
-
-- | Everything after preprocess
hscPipeline :: P m => PipeEnv -> ((HscEnv, ModSummary, HscRecompStatus)) -> m (ModIface, Maybe Linkable)
hscPipeline pipe_env (hsc_env_with_plugins, mod_sum, hsc_recomp_status) = do
@@ -785,10 +728,7 @@ hscPipeline pipe_env (hsc_env_with_plugins, mod_sum, hsc_recomp_status) = do
HscRecompNeeded mb_old_hash -> do
(tc_result, warnings) <- use (T_Hsc hsc_env_with_plugins mod_sum)
hscBackendAction <- use (T_HscPostTc hsc_env_with_plugins mod_sum tc_result warnings mb_old_hash )
- res <- hscBackendPipeline pipe_env hsc_env_with_plugins mod_sum hscBackendAction
- -- Once the pipeline has finished, check to see if -dynamic-too failed and
- -- rerun again if it failed but just the `--dynamic` way.
- checkDynamicToo hsc_env_with_plugins (\hsc' -> hscPipeline pipe_env (hsc', mod_sum, hsc_recomp_status)) res
+ hscBackendPipeline pipe_env hsc_env_with_plugins mod_sum hscBackendAction
hscBackendPipeline :: P m => PipeEnv -> HscEnv -> ModSummary -> HscBackendAction -> m (ModIface, Maybe Linkable)
hscBackendPipeline pipe_env hsc_env mod_sum result =
@@ -801,11 +741,9 @@ hscBackendPipeline pipe_env hsc_env mod_sum result =
-- Interpreter -> (,) <$> use (T_IO (mkFullIface hsc_env (hscs_partial_iface result) Nothing)) <*> pure Nothing
_ -> do
res <- hscGenBackendPipeline pipe_env hsc_env mod_sum result
- liftIO (dynamicTooState (hsc_dflags hsc_env)) >>= \case
- DT_OK -> do
+ when (gopt Opt_BuildDynamicToo (hsc_dflags hsc_env)) $ do
let dflags' = setDynamicNow (hsc_dflags hsc_env) -- set "dynamicNow"
() <$ hscGenBackendPipeline pipe_env (hscSetFlags dflags' hsc_env) mod_sum result
- _ -> return ()
return res
hscGenBackendPipeline :: P m