diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/GHC/Driver/Make.hs | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/compiler/GHC/Driver/Make.hs b/compiler/GHC/Driver/Make.hs index e58c2a435a..46ddd210c8 100644 --- a/compiler/GHC/Driver/Make.hs +++ b/compiler/GHC/Driver/Make.hs @@ -925,7 +925,6 @@ withAbstractSem sem = MC.bracket_ (acquireSem sem) (releaseSem sem) -- | Environment used when compiling a module data MakeEnv = MakeEnv { hsc_env :: !HscEnv -- The basic HscEnv which will be augmented for each module - , old_hpt :: !(M.Map ModuleNameWithIsBoot HomeModInfo) -- A cache of old interface files , compile_sem :: !AbstractSem , lqq_var :: !(TVar LogQueueQueue) , env_messager :: !(Maybe Messager) @@ -937,12 +936,13 @@ type RunMakeM a = ReaderT MakeEnv (MaybeT IO) a -- get its direct dependencies from. This might not be the corresponding build action -- if the module participates in a loop. This step also labels each node with a number for the output. -- See Note [Upsweep] for a high-level description. -interpretBuildPlan :: (NodeKey -> [NodeKey]) +interpretBuildPlan :: (M.Map ModuleNameWithIsBoot HomeModInfo) + -> (NodeKey -> [NodeKey]) -> [BuildPlan] -> IO ( Maybe [ModuleGraphNode] -- Is there an unresolved cycle , [MakeAction] -- Actions we need to run in order to build everything , IO [Maybe (Maybe HomeModInfo)]) -- An action to query to get all the built modules at the end. -interpretBuildPlan deps_map plan = do +interpretBuildPlan old_hpt deps_map plan = do hpt_var <- newMVar emptyHomePackageTable ((mcycle, plans), build_map) <- runStateT (buildLoop plan) (BuildLoopState M.empty 1 hpt_var) return (mcycle, plans, collect_results (buildDep build_map)) @@ -990,7 +990,8 @@ interpretBuildPlan deps_map plan = do case mod of InstantiationNode iu -> const Nothing <$> executeInstantiationNode mod_idx n_mods (wait_deps_hpt hpt_var build_deps) iu ModuleNode ms -> do - hmi <- executeCompileNode mod_idx n_mods (wait_deps_hpt hpt_var build_deps) knot_var (emsModSummary ms) + let !old_hmi = M.lookup (msKey $ emsModSummary ms) old_hpt + hmi <- executeCompileNode mod_idx n_mods old_hmi (wait_deps_hpt hpt_var build_deps) knot_var (emsModSummary ms) -- This global MVar is incrementally modified in order to avoid having to -- recreate the HPT before compiling each module which leads to a quadratic amount of work. liftIO $ modifyMVar_ hpt_var (\hpt -> return $! addHomeModInfoToHpt hmi hpt) @@ -1038,8 +1039,8 @@ upsweep -> [BuildPlan] -> IO (SuccessFlag, HscEnv, [HomeModInfo]) upsweep n_jobs hsc_env mHscMessage old_hpt direct_deps build_plan = do - (cycle, pipelines, collect_result) <- interpretBuildPlan direct_deps build_plan - runPipelines n_jobs hsc_env old_hpt mHscMessage pipelines + (cycle, pipelines, collect_result) <- interpretBuildPlan old_hpt direct_deps build_plan + runPipelines n_jobs hsc_env mHscMessage pipelines res <- collect_result let completed = [m | Just (Just m) <- res] @@ -1076,14 +1077,12 @@ upsweep_inst hsc_env mHscMessage mod_index nmods iuid = do -- successful. If no compilation happened, return the old Linkable. upsweep_mod :: HscEnv -> Maybe Messager - -> M.Map ModuleNameWithIsBoot HomeModInfo + -> Maybe HomeModInfo -> ModSummary -> Int -- index of module -> Int -- total number of modules -> IO HomeModInfo -upsweep_mod hsc_env mHscMessage old_hpt summary mod_index nmods = do - let old_hmi = M.lookup (ms_mnwib summary) old_hpt - +upsweep_mod hsc_env mHscMessage old_hmi summary mod_index nmods = do hmi <- compileOne' mHscMessage hsc_env summary mod_index nmods (hm_iface <$> old_hmi) (old_hmi >>= hm_linkable) @@ -2260,11 +2259,12 @@ executeInstantiationNode k n wait_deps iu = do executeCompileNode :: Int -> Int + -> Maybe HomeModInfo -> RunMakeM HomePackageTable -> Maybe (ModuleEnv (IORef TypeEnv)) -> ModSummary -> RunMakeM HomeModInfo -executeCompileNode k n wait_deps mknot_var mod = do +executeCompileNode k n !old_hmi wait_deps mknot_var mod = do MakeEnv{..} <- ask let mk_mod = case ms_hsc_src mod of HsigFile -> @@ -2287,7 +2287,7 @@ executeCompileNode k n wait_deps mknot_var mod = do -- Compile the module, locking with a semphore to avoid too many modules -- being compiled at the same time leading to high memory usage. lift $ MaybeT (withAbstractSem compile_sem $ wrapAction lcl_hsc_env $ do - res <- upsweep_mod lcl_hsc_env env_messager old_hpt mod k n + res <- upsweep_mod lcl_hsc_env env_messager old_hmi mod k n cleanCurrentModuleTempFilesMaybe (hsc_logger hsc_env) (hsc_tmpfs hsc_env) lcl_dynflags return res) @@ -2355,11 +2355,10 @@ label_self thread_name = do -- | Build and run a pipeline runPipelines :: Int -- ^ How many capabilities to use -> HscEnv -- ^ The basic HscEnv which is augmented with specific info for each module - -> M.Map ModuleNameWithIsBoot HomeModInfo -- ^ The old HPT which is used as a cache (TODO: The cache should be from the ActionMap) -> Maybe Messager -- ^ Optional custom messager to use to report progress -> [MakeAction] -- ^ The build plan for all the module nodes -> IO () -runPipelines n_jobs orig_hsc_env old_hpt mHscMessager all_pipelines = do +runPipelines n_jobs orig_hsc_env mHscMessager all_pipelines = do liftIO $ label_self "main --make thread" @@ -2401,7 +2400,6 @@ runPipelines n_jobs orig_hsc_env old_hpt mHscMessager all_pipelines = do return $ AbstractSem (waitQSem compile_sem) (signalQSem compile_sem) -- Reset the number of capabilities once the upsweep ends. let env = MakeEnv { hsc_env = thread_safe_hsc_env - , old_hpt = old_hpt , lqq_var = log_queue_queue_var , compile_sem = abstract_sem , env_messager = mHscMessager |