X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FCmdLineOpts.lhs;h=86524806df50d6cf4275010301c746914728a100;hb=14a17049447fc3532b81ea2e2ff7e2637a607be1;hp=210251ca7fbd9ea1b248326029a24b1ff0cea58e;hpb=68a1f0233996ed79824d11d946e9801473f6946c;p=ghc-hetmet.git diff --git a/ghc/compiler/main/CmdLineOpts.lhs b/ghc/compiler/main/CmdLineOpts.lhs index 210251c..8652480 100644 --- a/ghc/compiler/main/CmdLineOpts.lhs +++ b/ghc/compiler/main/CmdLineOpts.lhs @@ -1,33 +1,171 @@ % -% (c) The GRASP/AQUA Project, Glasgow University, 1992-1995 +% (c) The AQUA Project, Glasgow University, 1996-98 % \section[CmdLineOpts]{Things to do with command-line options} \begin{code} -#include "HsVersions.h" - module CmdLineOpts ( - CmdLineInfo(..), SwitchResult(..), - GlobalSwitch(..), SimplifierSwitch(..), CoreToDo(..), + SimplifierSwitch(..), StgToDo(..), -#ifdef DPH - PodizeToDo(..), -#endif {- Data Parallel Haskell -} - + SwitchResult(..), classifyOpts, - switchIsOn, stringSwitchSet, intSwitchSet, - - -- to make the interface self-sufficient - Maybe, MainIO(..) + + intSwitchSet, + switchIsOn, + + src_filename, + + -- debugging opts + opt_D_dump_absC, + opt_D_dump_asm, + opt_D_dump_cpranal, + opt_D_dump_cse, + opt_D_dump_deriv, + opt_D_dump_ds, + opt_D_dump_flatC, + opt_D_dump_foreign, + opt_D_dump_inlinings, + opt_D_dump_occur_anal, + opt_D_dump_parsed, + opt_D_dump_realC, + opt_D_dump_rn, + opt_D_dump_rules, + opt_D_dump_simpl, + opt_D_dump_simpl_iterations, + opt_D_dump_simpl_stats, + opt_D_dump_spec, + opt_D_dump_stg, + opt_D_dump_stranal, + opt_D_dump_tc, + opt_D_dump_usagesp, + opt_D_dump_worker_wrapper, + opt_D_show_passes, + opt_D_dump_rn_trace, + opt_D_dump_rn_stats, + opt_D_source_stats, + opt_D_verbose_core2core, + opt_D_verbose_stg2stg, + opt_DoCoreLinting, + opt_DoStgLinting, + opt_DoUSPLinting, + opt_PprStyle_Debug, + opt_PprStyle_NoPrags, + opt_PprUserLength, + + -- warning opts + opt_WarnDuplicateExports, + opt_WarnHiShadows, + opt_WarnIncompletePatterns, + opt_WarnMissingMethods, + opt_WarnMissingSigs, + opt_WarnNameShadowing, + opt_WarnOverlappingPatterns, + opt_WarnSimplePatterns, + opt_WarnTypeDefaults, + opt_WarnUnusedBinds, + opt_WarnUnusedImports, + opt_WarnUnusedMatches, + + -- profiling opts + opt_AutoSccsOnAllToplevs, + opt_AutoSccsOnExportedToplevs, + opt_AutoSccsOnIndividualCafs, + opt_AutoSccsOnDicts, + opt_SccGroup, + opt_SccProfilingOn, + opt_DoTickyProfiling, + + -- language opts + opt_AllStrict, + opt_DictsStrict, + opt_MaxContextReductionDepth, + opt_AllowOverlappingInstances, + opt_AllowUndecidableInstances, + opt_GlasgowExts, + opt_IrrefutableTuples, + opt_NumbersStrict, + opt_Parallel, + + -- optimisation opts + opt_DoEtaReduction, + opt_DoSemiTagging, + opt_FoldrBuildOn, + opt_LiberateCaseThreshold, + opt_NoPreInlining, + opt_StgDoLetNoEscapes, + opt_UnfoldCasms, + opt_UsageSPOn, + opt_UnboxStrictFields, + opt_SimplNoPreInlining, + opt_SimplDoEtaReduction, + opt_SimplDoCaseElim, + opt_SimplDoLambdaEtaExpansion, + opt_SimplCaseOfCase, + opt_SimplCaseMerge, + opt_SimplLetToCase, + opt_SimplPedanticBottoms, + + -- Unfolding control + opt_UF_HiFileThreshold, + opt_UF_CreationThreshold, + opt_UF_UseThreshold, + opt_UF_ScrutConDiscount, + opt_UF_FunAppDiscount, + opt_UF_PrimArgDiscount, + opt_UF_KeenessFactor, + opt_UF_CheapOp, + opt_UF_DearOp, + opt_UF_NoRepLit, + + -- misc opts + opt_CompilingPrelude, + opt_EmitCExternDecls, + opt_EnsureSplittableC, + opt_GranMacros, + opt_HiMap, + opt_HiVersion, + opt_HistorySize, + opt_IgnoreAsserts, + opt_IgnoreIfacePragmas, + opt_NoHiCheck, + opt_NoImplicitPrelude, + opt_OmitBlackHoling, + opt_OmitInterfacePragmas, + opt_ProduceC, + opt_ProduceExportCStubs, + opt_ProduceExportHStubs, + opt_ProduceHi, + opt_ProduceS, + opt_NoPruneDecls, + opt_ReportCompile, + opt_SourceUnchanged, + opt_Static, + opt_Unregisterised, + opt_Verbose, + + -- Code generation + opt_UseVanillaRegs, + opt_UseFloatRegs, + opt_UseDoubleRegs, + opt_UseLongRegs ) where -import MainMonad -import Maybes ( maybeToBool, Maybe(..) ) -import Outputable -import Util -#ifdef __GLASGOW_HASKELL__ -import PreludeGlaST -- bad bad bad boy, Will +#include "HsVersions.h" + +import Array ( array, (//) ) +import GlaExts +import Argv +import Constants -- Default values for some flags + +import FastString ( headFS ) +import Maybes ( assocMaybe, firstJust, maybeToBool ) +import Panic ( panic, panic# ) + +#if __GLASGOW_HASKELL__ < 301 +import ArrBase ( Array(..) ) +#else +import PrelArr ( Array(..) ) #endif \end{code} @@ -45,31 +183,18 @@ main loop (\tr{main/Main.lhs}), in the Core-to-Core processing loop (\tr{simplCore/SimplCore.lhs), and in the STG-to-STG processing loop (\tr{simplStg/SimplStg.lhs}). -We use function @classifyOpts@ to take raw command-line arguments from -@GetArgs@ and get back the @CmdLineInfo@, which is what we really -want. %************************************************************************ %* * -\subsection[CmdLineOpts-datatype]{Datatypes associated with command-line options} +\subsection{Datatypes associated with command-line options} %* * %************************************************************************ \begin{code} -type CmdLineInfo - = (GlobalSwitch -> SwitchResult, -- Switch lookup function - [CoreToDo], -- Core-to-core spec -#ifdef DPH - [PodizeToDo], -- Podizer spec - [CoreToDo], -- post podized Core-to-core spec -#endif - [StgToDo] -- Stg-to-stg spec - ) - data SwitchResult - = SwBool Bool -- on/off - | SwString String -- nothing or a String - | SwInt Int -- nothing or an Int + = SwBool Bool -- on/off + | SwString FAST_STRING -- nothing or a String + | SwInt Int -- nothing or an Int \end{code} \begin{code} @@ -81,24 +206,17 @@ data CoreToDo -- These are diff core-to-core passes, (SimplifierSwitch -> SwitchResult) -- Each run of the simplifier can take a different -- set of simplifier-specific flags. - - | Core_Unused_Flag_1 - | CoreDoCalcInlinings1 - | CoreDoCalcInlinings2 | CoreDoFloatInwards | CoreDoFullLaziness | CoreLiberateCase | CoreDoPrintCore | CoreDoStaticArgs | CoreDoStrictness + | CoreDoWorkerWrapper | CoreDoSpecialising - | CoreDoDeforest - | CoreDoAutoCostCentres - | CoreDoFoldrBuildWorkerWrapper - | CoreDoFoldrBuildWWAnal --- ANDY: ---| CoreDoHaskPrint ---| CoreDoHaskLetlessPrint + | CoreDoUSPInf + | CoreDoCPResult + | CoreCSE \end{code} \begin{code} @@ -113,530 +231,311 @@ data StgToDo \end{code} \begin{code} -#ifdef DPH -data PodizeToDo - = PodizeNeeded Int -- Which dimensioned PODs need vectorizing -#endif {- Data Parallel Haskell -} -\end{code} - -@GlobalSwitches@ may be visible everywhere in the compiler. -@SimplifierSwitches@ (which follow) are visible only in the main -Core-to-Core simplifier. - -\begin{code} -data GlobalSwitch - = ProduceC String -- generate C output into this file - | ProduceS String -- generate native-code assembler into this file - | ProduceHi String -- generate .hi interface into this file - - | AsmTarget String -- architecture we are generating code for - | ForConcurrent - - | Haskell_1_3 -- if set => Haskell 1.3; else 1.2 - | GlasgowExts -- Glasgow Haskell extensions allowed - | CompilingPrelude -- Compiling prelude source - - | HideBuiltinNames -- fiddle builtin namespace; used for compiling Prelude - | HideMostBuiltinNames - | EnsureSplittableC String -- (by globalising all top-level Ids w/ this String) - - | Verbose - | PprStyle_User -- printing "level" (mostly for debugging) - | PprStyle_Debug - | PprStyle_All - - | DoCoreLinting -- paranoia flags - | EmitArityChecks - - | OmitInterfacePragmas - | OmitDerivedRead - | OmitReexportedInstances - - | UnfoldingUseThreshold Int -- global one; see also SimplUnf... - | UnfoldingCreationThreshold Int -- ditto - | UnfoldingOverrideThreshold Int - - | ReportWhyUnfoldingsDisallowed - | UseGetMentionedVars - | ShowPragmaNameErrs - | NameShadowingNotOK - | SigsRequired - - | SccProfilingOn - | AutoSccsOnExportedToplevs - | AutoSccsOnAllToplevs - | AutoSccsOnIndividualCafs - | SccGroup String -- name of "group" for this cost centres in this module - - | DoTickyProfiling - - | DoSemiTagging - - -- ToDo: turn these into SimplifierSwitches? - | FoldrBuildOn -- If foldr/build-style transformations are on. - -- See also SimplDoFoldrBuild, which is used - -- inside the simplifier. - | FoldrBuildTrace -- show all foldr/build optimisations. - - | SpecialiseImports -- Treat non-essential spec requests as errors - | ShowImportSpecs -- Output spec requests for non-essential specs - | OmitDefaultInstanceMethods - | SpecialiseOverloaded - | SpecialiseUnboxed - | SpecialiseAll - | SpecialiseTrace - - -- this batch of flags is for particular experiments; - -- v unlikely to be used in any other circumstance - | OmitBlackHoling - | StgDoLetNoEscapes - | IgnoreStrictnessPragmas -- ToDo: still useful? - | IrrefutableTuples -- We inject extra "LazyPat"s in the typechecker - | IrrefutableEverything -- (TcPat); doing it any earlier would mean that - -- deriving-generated code wouldn't be irrefutablified. - | AllStrict - | NumbersStrict - | AllDemanded - - | ReturnInRegsThreshold Int - | VectoredReturnThreshold Int -- very likely UNUSED - - | D_dump_rif2hs -- debugging: print out various things - | D_dump_rn4 - | D_dump_tc - | D_dump_deriv - | D_dump_ds - | D_dump_occur_anal - | D_dump_simpl - | D_dump_spec - | D_dump_stranal - | D_dump_deforest - | D_dump_stg - | D_dump_absC - | D_dump_flatC - | D_dump_realC - | D_dump_asm - | D_show_passes ---ANDY: | D_dump_core_passes_info -- A Gill-ism - - | D_verbose_core2core - | D_verbose_stg2stg - | D_simplifier_stats - | D_source_stats - -#ifdef DPH - | PodizeIntelligent - | PodizeAggresive - | PodizeVeryAggresive - | PodizeExtremelyAggresive - | D_dump_pod - | D_dump_psimpl - | D_dump_nextC -#endif {- Data Parallel Haskell -} -\end{code} - -\begin{code} data SimplifierSwitch - = SimplOkToDupCode - | SimplFloatLetsExposingWHNF - | SimplOkToFloatPrimOps - | SimplAlwaysFloatLetsFromLets - | SimplDoCaseElim - | SimplReuseCon - | SimplCaseOfCase - | SimplLetToCase - | SimplMayDeleteConjurableIds - | SimplPedanticBottoms -- see Simplifier for an explanation - | SimplDoArityExpand -- expand arity of bindings - | SimplDoFoldrBuild -- This is the per-simplification flag; - -- see also FoldrBuildOn, used elsewhere - -- in the compiler. - | SimplDoNewOccurAnal -- use the *new*, all singing, Occurance analysis - | SimplDoInlineFoldrBuild - -- inline foldr/build (*after* f/b rule is used) - - | IgnoreINLINEPragma - | SimplDoLambdaEtaExpansion - | SimplDoEtaReduction - - | EssentialUnfoldingsOnly -- never mind the thresholds, only - -- do unfoldings that *must* be done - -- (to saturate constructors and primitives) - - | ShowSimplifierProgress -- report counts on every interation - - | MaxSimplifierIterations Int - - | SimplUnfoldingUseThreshold Int -- per-simplification variants - | SimplUnfoldingCreationThreshold Int - - | KeepSpecPragmaIds -- We normally *toss* Ids we can do without - | KeepUnusedBindings - - | SimplNoLetFromCase -- used when turning off floating entirely - | SimplNoLetFromApp -- (for experimentation only) WDP 95/10 - | SimplNoLetFromStrictLet -{- - | Extra__SimplFlag1 - | Extra__SimplFlag2 - | Extra__SimplFlag3 - | Extra__SimplFlag4 - | Extra__SimplFlag5 - | Extra__SimplFlag6 - | Extra__SimplFlag7 - | Extra__SimplFlag8 --} + = MaxSimplifierIterations Int + | SimplInlinePhase Int \end{code} %************************************************************************ %* * -\subsection[CmdLineOpts-classify]{Classifying command-line options} +\subsection{Classifying command-line options} %* * %************************************************************************ \begin{code} -classifyOpts :: [String] -- cmd-line args, straight from GetArgs - -> MainIO CmdLineInfo --- The MainIO bit is because we might find an unknown flag --- in which case we print an error message - -#ifndef DPH -classifyOpts opts - = sep opts [] [] [] -- accumulators... - where - sep :: [String] -- cmd-line opts (input) - -> [GlobalSwitch] -- switch accumulator - -> [CoreToDo] -> [StgToDo] -- to_do accumulators - -> MainIO CmdLineInfo -- result - - sep [] glob_sw core_td stg_td - = returnMn ( - isAmong glob_sw, - reverse core_td, - reverse stg_td - ) - - sep (opt1:opts) glob_sw core_td stg_td - -#else {- Data Parallel Haskell -} -classifyOpts opts - = sep opts [] [] [] [] [] -- accumulators... - where - sep :: [String] -- cmd-line opts (input) - -> [GlobalSwitch] -- switch accumulator - -> [CoreToDo] -> [PodizeToDo] -- to_do accumulators - -> [CoreToDo] -> [StgToDo] - -> MainIO CmdLineInfo -- result - - -- see also the related "simpl_sep" function, used - -- to collect up the SimplifierSwitches for a "-fsimplify". - - sep [] glob_sw core_td pod_td pcore_td stg_td - = returnMn ( - isAmong glob_sw, - reverse core_td, - reverse pod_td, - reverse pcore_td, - reverse stg_td - ) - - sep (opt1:opts) glob_sw core_td pod_td pcore_td stg_td -#endif {- Data Parallel Haskell -} - -#ifndef DPH -#define GLOBAL_SW(switch) sep opts (switch:glob_sw) core_td stg_td -#define CORE_TD(to_do) sep opts glob_sw (to_do:core_td) stg_td -#define POD_TD(to_do) sep opts glob_sw core_td stg_td -#define PAR_CORE_TD(to_do) sep opts glob_sw core_td stg_td -#define BOTH_CORE_TD(to_do) sep opts glob_sw (to_do:core_td) stg_td -#define STG_TD(to_do) sep opts glob_sw core_td (to_do:stg_td) -#define IGNORE_ARG() sep opts glob_sw core_td stg_td - -#else - -#define GLOBAL_SW(switch) sep opts (switch:glob_sw) core_td pod_td pcore_td stg_td -#define CORE_TD(to_do) sep opts glob_sw (to_do:core_td) pod_td pcore_td stg_td -#define POD_TD(to_do) sep opts glob_sw core_td (to_do:pod_td) pcore_td stg_td -#define PAR_CORE_TD(do) sep opts glob_sw core_td pod_td (do:pcore_td) stg_td -#define BOTH_CORE_TD(do) sep opts glob_sw (do:core_td) pod_td (do:pcore_td) stg_td -#define STG_TD(to_do) sep opts glob_sw core_td pod_td pcore_td (to_do:stg_td) -#define IGNORE_ARG() sep opts glob_sw core_td pod_td pcore_td stg_td - -#endif {- Data Parallel Haskell -} - --- ToDo: DPH-ify -#define GLOBAL_SIMPL_SW(switch) simpl_sep opts (switch:simpl_sw) glob_sw core_td stg_td - - = let - maybe_fasm = starts_with "-fasm-" opt1 - maybe_G = starts_with "-G" opt1 - maybe_C = starts_with "-C" opt1 - maybe_S = starts_with "-S" opt1 - maybe_hi = starts_with "-hi" opt1 - maybe_hu = starts_with "-hu" opt1 - maybe_uut = starts_with "-funfolding-use-threshold" opt1 - maybe_uct = starts_with "-funfolding-creation-threshold" opt1 - maybe_uot = starts_with "-funfolding-override-threshold" opt1 - maybe_rirt = starts_with "-freturn-in-regs-threshold" opt1 - maybe_gtn = starts_with "-fglobalise-toplev-names" opt1 - starts_with_fasm = maybeToBool maybe_fasm - starts_with_G = maybeToBool maybe_G - starts_with_C = maybeToBool maybe_C - starts_with_S = maybeToBool maybe_S - starts_with_hi = maybeToBool maybe_hi - starts_with_hu = maybeToBool maybe_hu - starts_with_uut = maybeToBool maybe_uut - starts_with_uct = maybeToBool maybe_uct - starts_with_uot = maybeToBool maybe_uot - starts_with_rirt = maybeToBool maybe_rirt - starts_with_gtn = maybeToBool maybe_gtn - (Just after_fasm) = maybe_fasm - (Just after_G) = maybe_G - (Just after_C) = maybe_C - (Just after_S) = maybe_S - (Just after_hi) = maybe_hi - (Just after_hu) = maybe_hu - (Just after_uut) = maybe_uut - (Just after_uct) = maybe_uct - (Just after_uot) = maybe_uot - (Just after_rirt) = maybe_rirt - (Just after_gtn) = maybe_gtn - in - case opt1 of -- the non-"just match a string" options are at the end... - ',' : _ -> IGNORE_ARG() -- it is for the parser - "-ddump-rif2hs" -> GLOBAL_SW(D_dump_rif2hs) - "-ddump-rn4" -> GLOBAL_SW(D_dump_rn4) - "-ddump-tc" -> GLOBAL_SW(D_dump_tc) - "-ddump-deriv" -> GLOBAL_SW(D_dump_deriv) - "-ddump-ds" -> GLOBAL_SW(D_dump_ds) - "-ddump-stranal" -> GLOBAL_SW(D_dump_stranal) - "-ddump-deforest"-> GLOBAL_SW(D_dump_deforest) - "-ddump-spec" -> GLOBAL_SW(D_dump_spec) - "-ddump-simpl" -> GLOBAL_SW(D_dump_simpl) - "-ddump-occur-anal" -> GLOBAL_SW(D_dump_occur_anal) -#ifdef DPH - "-ddump-pod" -> GLOBAL_SW(D_dump_pod) - "-ddump-psimpl" -> GLOBAL_SW(D_dump_psimpl) - "-ddump-nextC" -> GLOBAL_SW(D_dump_nextC) -#endif {- Data Parallel Haskell -} - - "-ddump-stg" -> GLOBAL_SW(D_dump_stg) - "-ddump-absC" -> GLOBAL_SW(D_dump_absC) - "-ddump-flatC" -> GLOBAL_SW(D_dump_flatC) - "-ddump-realC" -> GLOBAL_SW(D_dump_realC) - "-ddump-asm" -> GLOBAL_SW(D_dump_asm) - "-dshow-passes" -> GLOBAL_SW(D_show_passes) - --- ANDY: "-ddump-haskell" -> GLOBAL_SW(D_dump_core_passes_info) - "-dsimplifier-stats" -> GLOBAL_SW(D_simplifier_stats) - "-dsource-stats" -> GLOBAL_SW(D_source_stats) - - "-dverbose-simpl" ->GLOBAL_SW(D_verbose_core2core) - "-dverbose-stg" -> GLOBAL_SW(D_verbose_stg2stg) - - "-fuse-get-mentioned-vars" -> GLOBAL_SW(UseGetMentionedVars) - - "-fhaskell-1.3" -> GLOBAL_SW(Haskell_1_3) - "-dcore-lint" -> GLOBAL_SW(DoCoreLinting) - "-fomit-interface-pragmas" -> GLOBAL_SW(OmitInterfacePragmas) - "-fignore-strictness-pragmas" -> GLOBAL_SW(IgnoreStrictnessPragmas) - "-firrefutable-tuples" -> GLOBAL_SW(IrrefutableTuples) - "-firrefutable-everything" -> GLOBAL_SW(IrrefutableEverything) - "-fall-strict" -> GLOBAL_SW(AllStrict) - "-fnumbers-strict" -> GLOBAL_SW(NumbersStrict) - "-fall-demanded" -> GLOBAL_SW(AllDemanded) - - "-fsemi-tagging" -> GLOBAL_SW(DoSemiTagging) - - "-fsimplify" -> -- gather up SimplifierSwitches specially... - simpl_sep opts [] glob_sw core_td stg_td - - "-fcalc-inlinings1"-> CORE_TD(CoreDoCalcInlinings1) - "-fcalc-inlinings2"-> CORE_TD(CoreDoCalcInlinings2) - "-ffloat-inwards" -> CORE_TD(CoreDoFloatInwards) - "-ffull-laziness" -> CORE_TD(CoreDoFullLaziness) - "-fliberate-case" -> CORE_TD(CoreLiberateCase) - "-fprint-core" -> CORE_TD(CoreDoPrintCore) - "-fstatic-args" -> CORE_TD(CoreDoStaticArgs) - "-fstrictness" -> CORE_TD(CoreDoStrictness) - "-fspecialise" -> CORE_TD(CoreDoSpecialising) - "-fdeforest" -> CORE_TD(CoreDoDeforest) - "-fadd-auto-sccs" -> CORE_TD(CoreDoAutoCostCentres) - "-ffoldr-build-worker-wrapper" -> CORE_TD(CoreDoFoldrBuildWorkerWrapper) - "-ffoldr-build-ww-anal" -> CORE_TD(CoreDoFoldrBuildWWAnal) ---ANDY: "-fprint-haskell-core" -> CORE_TD(CoreDoHaskPrint) --- "-fprint-haskell-letless-core" -> CORE_TD(CoreDoHaskLetlessPrint) - "-fomit-default-instance-methods" -> GLOBAL_SW(OmitDefaultInstanceMethods) - "-fspecialise-overloaded" -> GLOBAL_SW(SpecialiseOverloaded) - "-fspecialise-unboxed" -> GLOBAL_SW(SpecialiseUnboxed) - "-fspecialise-all" -> GLOBAL_SW(SpecialiseAll) - "-fspecialise-imports" -> GLOBAL_SW(SpecialiseImports) - "-fshow-import-specs" -> GLOBAL_SW(ShowImportSpecs) - "-ftrace-specialisation" -> GLOBAL_SW(SpecialiseTrace) - - "-freport-disallowed-unfoldings" - -> GLOBAL_SW(ReportWhyUnfoldingsDisallowed) - - "-fomit-derived-read" -> GLOBAL_SW(OmitDerivedRead) - - "-ffoldr-build-on" -> GLOBAL_SW(FoldrBuildOn) - "-ffoldr-build-trace" -> GLOBAL_SW(FoldrBuildTrace) - - "-fstg-static-args" -> STG_TD(StgDoStaticArgs) - "-fupdate-analysis" -> STG_TD(StgDoUpdateAnalysis) - "-dstg-stats" -> STG_TD(D_stg_stats) - "-flambda-lift" -> STG_TD(StgDoLambdaLift) - "-fmassage-stg-for-profiling" -> STG_TD(StgDoMassageForProfiling) +lookUp :: FAST_STRING -> Bool +lookup_int :: String -> Maybe Int +lookup_def_int :: String -> Int -> Int +lookup_def_float :: String -> Float -> Float +lookup_str :: String -> Maybe String - "-flet-no-escape" -> GLOBAL_SW(StgDoLetNoEscapes) - -#ifdef DPH - "-fpodize-vector" -> POD_TD(PodizeNeeded 1) - "-fpodize-matrix" -> POD_TD(PodizeNeeded 2) - "-fpodize-cube" -> POD_TD(PodizeNeeded 3) - "-fpodize-intelligent" -> GLOBAL_SW(PodizeIntelligent) - "-fpodize-aggresive" -> GLOBAL_SW(PodizeAggresive) - "-fpodize-very-aggresive" -> GLOBAL_SW(PodizeVeryAggresive) - "-fpodize-extremely-aggresive" -> GLOBAL_SW(PodizeExtremelyAggresive) -#endif {- Data Parallel Haskell -} - - "-v" -> GLOBAL_SW(Verbose) +lookUp sw = maybeToBool (assoc_opts sw) + +lookup_str sw = firstJust (map (startsWith sw) unpacked_opts) - "-fglasgow-exts" -> GLOBAL_SW(GlasgowExts) - "-prelude" -> GLOBAL_SW(CompilingPrelude) +lookup_int sw = case (lookup_str sw) of + Nothing -> Nothing + Just xx -> Just (read xx) - "-fscc-profiling" -> GLOBAL_SW(SccProfilingOn) - "-fauto-sccs-on-exported-toplevs" -> GLOBAL_SW(AutoSccsOnExportedToplevs) - "-fauto-sccs-on-all-toplevs" -> GLOBAL_SW(AutoSccsOnAllToplevs) - "-fauto-sccs-on-individual-cafs" -> GLOBAL_SW(AutoSccsOnIndividualCafs) +lookup_def_int sw def = case (lookup_str sw) of + Nothing -> def -- Use default + Just xx -> read xx - "-fticky-ticky" -> GLOBAL_SW(DoTickyProfiling) +lookup_def_float sw def = case (lookup_str sw) of + Nothing -> def -- Use default + Just xx -> read xx - "-dppr-user" -> GLOBAL_SW(PprStyle_User) - "-dppr-debug" -> GLOBAL_SW(PprStyle_Debug) - "-dppr-all" -> GLOBAL_SW(PprStyle_All) +assoc_opts = assocMaybe [ (a, True) | a <- argv ] +unpacked_opts = map _UNPK_ argv - "-fhide-builtin-names"-> GLOBAL_SW(HideBuiltinNames) - "-fmin-builtin-names" -> GLOBAL_SW(HideMostBuiltinNames) +{- + Putting the compiler options into temporary at-files + may turn out to be necessary later on if we turn hsc into + a pure Win32 application where I think there's a command-line + length limit of 255. unpacked_opts understands the @ option. + +assoc_opts = assocMaybe [ (_PK_ a, True) | a <- unpacked_opts ] + +unpacked_opts :: [String] +unpacked_opts = + concat $ + map (expandAts) $ + map _UNPK_ argv + where + expandAts ('@':fname) = words (unsafePerformIO (readFile fname)) + expandAts l = [l] +-} +\end{code} - "-fconcurrent" -> GLOBAL_SW(ForConcurrent) +\begin{code} +src_filename :: FAST_STRING +src_filename = case argv of + filename : rest | headFS filename /= '-' -> filename + otherwise -> panic "no filename" +\end{code} - "-fshow-pragma-name-errs" -> GLOBAL_SW(ShowPragmaNameErrs) - "-fname-shadowing-not-ok" -> GLOBAL_SW(NameShadowingNotOK) - "-fsignatures-required" -> GLOBAL_SW(SigsRequired) - "-fomit-reexported-instances" -> GLOBAL_SW(OmitReexportedInstances) - "-darity-checks" -> GLOBAL_SW(EmitArityChecks) - "-dno-black-holing"-> GLOBAL_SW(OmitBlackHoling) +\begin{code} +-- debugging opts +opt_D_dump_absC = lookUp SLIT("-ddump-absC") +opt_D_dump_asm = lookUp SLIT("-ddump-asm") +opt_D_dump_cpranal = lookUp SLIT("-ddump-cpranalyse") +opt_D_dump_deriv = lookUp SLIT("-ddump-deriv") +opt_D_dump_ds = lookUp SLIT("-ddump-ds") +opt_D_dump_flatC = lookUp SLIT("-ddump-flatC") +opt_D_dump_foreign = lookUp SLIT("-ddump-foreign-stubs") +opt_D_dump_inlinings = lookUp SLIT("-ddump-inlinings") +opt_D_dump_occur_anal = lookUp SLIT("-ddump-occur-anal") +opt_D_dump_parsed = lookUp SLIT("-ddump-parsed") +opt_D_dump_realC = lookUp SLIT("-ddump-realC") +opt_D_dump_rn = lookUp SLIT("-ddump-rn") +opt_D_dump_simpl = lookUp SLIT("-ddump-simpl") +opt_D_dump_simpl_iterations = lookUp SLIT("-ddump-simpl-iterations") +opt_D_dump_spec = lookUp SLIT("-ddump-spec") +opt_D_dump_stg = lookUp SLIT("-ddump-stg") +opt_D_dump_stranal = lookUp SLIT("-ddump-stranal") +opt_D_dump_tc = lookUp SLIT("-ddump-tc") +opt_D_dump_rules = lookUp SLIT("-ddump-rules") +opt_D_dump_usagesp = lookUp SLIT("-ddump-usagesp") +opt_D_dump_cse = lookUp SLIT("-ddump-cse") +opt_D_dump_worker_wrapper = lookUp SLIT("-ddump-workwrap") +opt_D_show_passes = lookUp SLIT("-dshow-passes") +opt_D_dump_rn_trace = lookUp SLIT("-ddump-rn-trace") +opt_D_dump_rn_stats = lookUp SLIT("-ddump-rn-stats") +opt_D_dump_simpl_stats = lookUp SLIT("-ddump-simpl-stats") +opt_D_source_stats = lookUp SLIT("-dsource-stats") +opt_D_verbose_core2core = lookUp SLIT("-dverbose-simpl") +opt_D_verbose_stg2stg = lookUp SLIT("-dverbose-stg") +opt_DoCoreLinting = lookUp SLIT("-dcore-lint") +opt_DoStgLinting = lookUp SLIT("-dstg-lint") +opt_DoUSPLinting = lookUp SLIT("-dusagesp-lint") +opt_PprStyle_NoPrags = lookUp SLIT("-dppr-noprags") +opt_PprStyle_Debug = lookUp SLIT("-dppr-debug") +opt_PprUserLength = lookup_def_int "-dppr-user-length" 5 --ToDo: give this a name + +-- warning opts +opt_WarnDuplicateExports = lookUp SLIT("-fwarn-duplicate-exports") +opt_WarnHiShadows = lookUp SLIT("-fwarn-hi-shadowing") +opt_WarnIncompletePatterns = lookUp SLIT("-fwarn-incomplete-patterns") +opt_WarnMissingMethods = lookUp SLIT("-fwarn-missing-methods") +opt_WarnMissingSigs = lookUp SLIT("-fwarn-missing-signatures") +opt_WarnNameShadowing = lookUp SLIT("-fwarn-name-shadowing") +opt_WarnOverlappingPatterns = lookUp SLIT("-fwarn-overlapping-patterns") +opt_WarnSimplePatterns = lookUp SLIT("-fwarn-simple-patterns") +opt_WarnTypeDefaults = lookUp SLIT("-fwarn-type-defaults") +opt_WarnUnusedBinds = lookUp SLIT("-fwarn-unused-binds") +opt_WarnUnusedImports = lookUp SLIT("-fwarn-unused-imports") +opt_WarnUnusedMatches = lookUp SLIT("-fwarn-unused-matches") + +-- profiling opts +opt_AutoSccsOnAllToplevs = lookUp SLIT("-fauto-sccs-on-all-toplevs") +opt_AutoSccsOnExportedToplevs = lookUp SLIT("-fauto-sccs-on-exported-toplevs") +opt_AutoSccsOnIndividualCafs = lookUp SLIT("-fauto-sccs-on-individual-cafs") +opt_AutoSccsOnDicts = lookUp SLIT("-fauto-sccs-on-dicts") +opt_SccGroup = lookup_str "-G=" +opt_SccProfilingOn = lookUp SLIT("-fscc-profiling") +opt_DoTickyProfiling = lookUp SLIT("-fticky-ticky") + +-- language opts +opt_AllStrict = lookUp SLIT("-fall-strict") +opt_DictsStrict = lookUp SLIT("-fdicts-strict") +opt_AllowOverlappingInstances = lookUp SLIT("-fallow-overlapping-instances") +opt_AllowUndecidableInstances = lookUp SLIT("-fallow-undecidable-instances") +opt_GlasgowExts = lookUp SLIT("-fglasgow-exts") +opt_IrrefutableTuples = lookUp SLIT("-firrefutable-tuples") +opt_MaxContextReductionDepth = lookup_def_int "-fcontext-stack" mAX_CONTEXT_REDUCTION_DEPTH +opt_NumbersStrict = lookUp SLIT("-fnumbers-strict") +opt_Parallel = lookUp SLIT("-fparallel") + +-- optimisation opts +opt_DoEtaReduction = lookUp SLIT("-fdo-eta-reduction") +opt_DoSemiTagging = lookUp SLIT("-fsemi-tagging") +opt_FoldrBuildOn = lookUp SLIT("-ffoldr-build-on") +opt_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" (10::Int) +opt_NoPreInlining = lookUp SLIT("-fno-pre-inlining") +opt_StgDoLetNoEscapes = lookUp SLIT("-flet-no-escape") +opt_UnfoldCasms = lookUp SLIT("-funfold-casms-in-hi-file") +opt_UsageSPOn = lookUp SLIT("-fusagesp-on") +opt_UnboxStrictFields = lookUp SLIT("-funbox-strict-fields") + + {- + It's a bit unfortunate to have to re-introduce this chap, but on Win32 + platforms we do need a way of distinguishing between the case when we're + compiling a static version of the Prelude and one that's going to be + put into a DLL. Why? Because the compiler's wired in modules need to + be attributed as either coming from a DLL or not. + -} +opt_CompilingPrelude = lookUp SLIT("-fcompiling-prelude") +opt_EmitCExternDecls = lookUp SLIT("-femit-extern-decls") +opt_EnsureSplittableC = lookUp SLIT("-fglobalise-toplev-names") +opt_GranMacros = lookUp SLIT("-fgransim") +opt_HiMap = lookup_str "-himap=" -- file saying where to look for .hi files +opt_HiVersion = lookup_def_int "-fhi-version=" 0 -- what version we're compiling. +opt_HistorySize = lookup_def_int "-fhistory-size" 20 +opt_IgnoreAsserts = lookUp SLIT("-fignore-asserts") +opt_IgnoreIfacePragmas = lookUp SLIT("-fignore-interface-pragmas") +opt_NoHiCheck = lookUp SLIT("-fno-hi-version-check") +opt_NoImplicitPrelude = lookUp SLIT("-fno-implicit-prelude") +opt_OmitBlackHoling = lookUp SLIT("-dno-black-holing") +opt_OmitInterfacePragmas = lookUp SLIT("-fomit-interface-pragmas") +opt_ProduceC = lookup_str "-C=" +opt_ProduceExportCStubs = lookup_str "-F=" +opt_ProduceExportHStubs = lookup_str "-FH=" +opt_ProduceHi = lookup_str "-hifile=" -- the one to produce this time + +-- Simplifier switches +opt_SimplNoPreInlining = lookUp SLIT("-fno-pre-inlining") + -- NoPreInlining is there just to see how bad things + -- get if you don't do it! +opt_SimplDoEtaReduction = lookUp SLIT("-fdo-eta-reduction") +opt_SimplDoCaseElim = lookUp SLIT("-fdo-case-elim") +opt_SimplDoLambdaEtaExpansion = lookUp SLIT("-fdo-lambda-eta-expansion") +opt_SimplCaseOfCase = lookUp SLIT("-fcase-of-case") +opt_SimplCaseMerge = lookUp SLIT("-fcase-merge") +opt_SimplLetToCase = lookUp SLIT("-flet-to-case") +opt_SimplPedanticBottoms = lookUp SLIT("-fpedantic-bottoms") + +-- Unfolding control +opt_UF_HiFileThreshold = lookup_def_int "-funfolding-interface-threshold" (30::Int) +opt_UF_CreationThreshold = lookup_def_int "-funfolding-creation-threshold" (30::Int) +opt_UF_UseThreshold = lookup_def_int "-funfolding-use-threshold" (8::Int) -- Discounts can be big +opt_UF_ScrutConDiscount = lookup_def_int "-funfolding-con-discount" (3::Int) +opt_UF_FunAppDiscount = lookup_def_int "-funfolding-fun-discount" (6::Int) -- It's great to inline a fn +opt_UF_PrimArgDiscount = lookup_def_int "-funfolding-prim-discount" (1::Int) +opt_UF_KeenessFactor = lookup_def_float "-funfolding-keeness-factor" (2.0::Float) + +opt_UF_CheapOp = ( 0 :: Int) -- Only one instruction; and the args are charged for +opt_UF_DearOp = ( 4 :: Int) +opt_UF_NoRepLit = ( 20 :: Int) -- Strings can be pretty big + +opt_ProduceS = lookup_str "-S=" +opt_ReportCompile = lookUp SLIT("-freport-compile") +opt_NoPruneDecls = lookUp SLIT("-fno-prune-decls") +opt_SourceUnchanged = lookUp SLIT("-fsource-unchanged") +opt_Static = lookUp SLIT("-static") +opt_Unregisterised = lookUp SLIT("-funregisterised") +opt_Verbose = lookUp SLIT("-v") + +opt_UseVanillaRegs | opt_Unregisterised = 0 + | otherwise = mAX_Real_Vanilla_REG +opt_UseFloatRegs | opt_Unregisterised = 0 + | otherwise = mAX_Real_Float_REG +opt_UseDoubleRegs | opt_Unregisterised = 0 + | otherwise = mAX_Real_Double_REG +opt_UseLongRegs | opt_Unregisterised = 0 + | otherwise = mAX_Real_Long_REG +\end{code} - _ | starts_with_fasm -> GLOBAL_SW(AsmTarget after_fasm) - | starts_with_G -> GLOBAL_SW(SccGroup after_G) -- profiling "group" - | starts_with_C -> GLOBAL_SW(ProduceC after_C) -- main C output - | starts_with_S -> GLOBAL_SW(ProduceS after_S) -- main .s output - | starts_with_hi -> GLOBAL_SW(ProduceHi after_hi) -- interface ---UNUSED: | starts_with_hu -> GLOBAL_SW(ProduceHu after_hu) -- usage info +\begin{code} +classifyOpts :: ([CoreToDo], -- Core-to-Core processing spec + [StgToDo]) -- STG-to-STG processing spec - | starts_with_uut -> GLOBAL_SW(UnfoldingUseThreshold (read after_uut)) - | starts_with_uct -> GLOBAL_SW(UnfoldingCreationThreshold (read after_uct)) - | starts_with_uot -> GLOBAL_SW(UnfoldingOverrideThreshold (read after_uot)) +classifyOpts = sep argv [] [] -- accumulators... + where + sep :: [FAST_STRING] -- cmd-line opts (input) + -> [CoreToDo] -> [StgToDo] -- to_do accumulators + -> ([CoreToDo], [StgToDo]) -- result - | starts_with_rirt -> -- trace ("rirt:"++after_rirt) $ - GLOBAL_SW(ReturnInRegsThreshold (read after_rirt)) + sep [] core_td stg_td -- all done! + = (reverse core_td, reverse stg_td) - | starts_with_gtn -> GLOBAL_SW(EnsureSplittableC after_gtn) +# define CORE_TD(to_do) sep opts (to_do:core_td) stg_td +# define STG_TD(to_do) sep opts core_td (to_do:stg_td) + sep (opt1:opts) core_td stg_td + = case (_UNPK_ opt1) of -- the non-"just match a string" options are at the end... + ',' : _ -> sep opts core_td stg_td -- it is for the parser - _ -> writeMn stderr ("*** WARNING: bad option: "++opt1++"\n") `thenMn` ( \ _ -> - -- NB: the driver is really supposed to handle bad options - IGNORE_ARG() ) + "-fsimplify" -> -- gather up SimplifierSwitches specially... + simpl_sep opts defaultSimplSwitches core_td stg_td - ---------------- + "-ffloat-inwards" -> CORE_TD(CoreDoFloatInwards) + "-ffull-laziness" -> CORE_TD(CoreDoFullLaziness) + "-fliberate-case" -> CORE_TD(CoreLiberateCase) + "-fcse" -> CORE_TD(CoreCSE) + "-fprint-core" -> CORE_TD(CoreDoPrintCore) + "-fstatic-args" -> CORE_TD(CoreDoStaticArgs) + "-fstrictness" -> CORE_TD(CoreDoStrictness) + "-fworker-wrapper" -> CORE_TD(CoreDoWorkerWrapper) + "-fspecialise" -> CORE_TD(CoreDoSpecialising) + "-fusagesp" -> CORE_TD(CoreDoUSPInf) + "-fcpr-analyse" -> CORE_TD(CoreDoCPResult) - starts_with :: String -> String -> Maybe String + "-fstg-static-args" -> STG_TD(StgDoStaticArgs) + "-fupdate-analysis" -> STG_TD(StgDoUpdateAnalysis) + "-dstg-stats" -> STG_TD(D_stg_stats) + "-flambda-lift" -> STG_TD(StgDoLambdaLift) + "-fmassage-stg-for-profiling" -> STG_TD(StgDoMassageForProfiling) - starts_with [] str = Just str - starts_with (c:cs) (s:ss) - = if c /= s then Nothing else starts_with cs ss + _ -> -- NB: the driver is really supposed to handle bad options + sep opts core_td stg_td ---------------- - -- ToDo: DPH-ify "simpl_sep"! - - simpl_sep :: [String] -- cmd-line opts (input) - -> [SimplifierSwitch] -- simplifier-switch accumulator - -> [GlobalSwitch] -- switch accumulator - -> [CoreToDo] -> [StgToDo] -- to_do accumulators - -> MainIO CmdLineInfo -- result + simpl_sep :: [FAST_STRING] -- cmd-line opts (input) + -> [SimplifierSwitch] -- simplifier-switch accumulator + -> [CoreToDo] -> [StgToDo] -- to_do accumulators + -> ([CoreToDo], [StgToDo]) -- result -- "simpl_sep" tailcalls "sep" once it's seen one set -- of SimplifierSwitches for a CoreDoSimplify. #ifdef DEBUG - simpl_sep input@[] simpl_sw glob_sw core_td stg_td + simpl_sep input@[] simpl_sw core_td stg_td = panic "simpl_sep []" #endif - -- The SimplifierSwitches should be delimited by "(" and ")". - - simpl_sep ("(":opts) [{-better be empty-}] glob_sw core_td stg_td - = simpl_sep opts [] glob_sw core_td stg_td - - simpl_sep (")":opts) simpl_sw glob_sw core_td stg_td - = let - this_CoreDoSimplify = CoreDoSimplify (isAmongSimpl simpl_sw) - in - sep opts glob_sw (this_CoreDoSimplify : core_td) stg_td - - simpl_sep (opt1:opts) simpl_sw glob_sw core_td stg_td - = let - maybe_suut = starts_with "-fsimpl-uf-use-threshold" opt1 - maybe_suct = starts_with "-fsimpl-uf-creation-threshold" opt1 - maybe_msi = starts_with "-fmax-simplifier-iterations" opt1 - starts_with_suut = maybeToBool maybe_suut - starts_with_suct = maybeToBool maybe_suct - starts_with_msi = maybeToBool maybe_msi - (Just after_suut) = maybe_suut - (Just after_suct) = maybe_suct - (Just after_msi) = maybe_msi - in - case opt1 of -- the non-"just match a string" options are at the end... - "-fshow-simplifier-progress" -> GLOBAL_SIMPL_SW(ShowSimplifierProgress) - - "-fcode-duplication-ok" -> GLOBAL_SIMPL_SW(SimplOkToDupCode) - "-ffloat-lets-exposing-whnf" -> GLOBAL_SIMPL_SW(SimplFloatLetsExposingWHNF) - "-ffloat-primops-ok" -> GLOBAL_SIMPL_SW(SimplOkToFloatPrimOps) - "-falways-float-lets-from-lets" -> GLOBAL_SIMPL_SW(SimplAlwaysFloatLetsFromLets) - "-fdo-case-elim" -> GLOBAL_SIMPL_SW(SimplDoCaseElim) - "-fdo-eta-reduction" -> GLOBAL_SIMPL_SW(SimplDoEtaReduction) - "-fdo-lambda-eta-expansion" -> GLOBAL_SIMPL_SW(SimplDoLambdaEtaExpansion) - "-fdo-foldr-build" -> GLOBAL_SIMPL_SW(SimplDoFoldrBuild) - "-fdo-new-occur-anal" -> GLOBAL_SIMPL_SW(SimplDoNewOccurAnal) - "-fdo-arity-expand" -> GLOBAL_SIMPL_SW(SimplDoArityExpand) - "-fdo-inline-foldr-build" -> GLOBAL_SIMPL_SW(SimplDoInlineFoldrBuild) - "-freuse-con" -> GLOBAL_SIMPL_SW(SimplReuseCon) - "-fcase-of-case" -> GLOBAL_SIMPL_SW(SimplCaseOfCase) - "-flet-to-case" -> GLOBAL_SIMPL_SW(SimplLetToCase) - "-fpedantic-bottoms" -> GLOBAL_SIMPL_SW(SimplPedanticBottoms) - "-fkeep-spec-pragma-ids" -> GLOBAL_SIMPL_SW(KeepSpecPragmaIds) - "-fkeep-unused-bindings" -> GLOBAL_SIMPL_SW(KeepUnusedBindings) - "-fmay-delete-conjurable-ids" -> GLOBAL_SIMPL_SW(SimplMayDeleteConjurableIds) - "-fessential-unfoldings-only" -> GLOBAL_SIMPL_SW(EssentialUnfoldingsOnly) - "-fignore-inline-pragma" -> GLOBAL_SIMPL_SW(IgnoreINLINEPragma) - "-fno-let-from-case" -> GLOBAL_SIMPL_SW(SimplNoLetFromCase) - "-fno-let-from-app" -> GLOBAL_SIMPL_SW(SimplNoLetFromApp) - "-fno-let-from-strict-let" -> GLOBAL_SIMPL_SW(SimplNoLetFromStrictLet) - - _ | starts_with_msi -> GLOBAL_SIMPL_SW(MaxSimplifierIterations (read after_msi)) - | starts_with_suut -> GLOBAL_SIMPL_SW(SimplUnfoldingUseThreshold (read after_suut)) - | starts_with_suct -> GLOBAL_SIMPL_SW(SimplUnfoldingCreationThreshold (read after_suct)) - - _ -> writeMn stderr ("*** WARNING: bad simplifier option: "++opt1++"\n") `thenMn` ( \ _ -> - -- NB: the driver is really supposed to handle bad options - simpl_sep opts simpl_sw glob_sw core_td stg_td ) + -- The SimplifierSwitches should be delimited by "[" and "]". + + simpl_sep (opt1:opts) simpl_sw core_td stg_td + = case (_UNPK_ opt1) of + "[" -> simpl_sep opts simpl_sw core_td stg_td + "]" -> let + this_simpl = CoreDoSimplify (isAmongSimpl simpl_sw) + in + sep opts (this_simpl : core_td) stg_td + + opt -> case matchSimplSw opt of + Just sw -> simpl_sep opts (sw:simpl_sw) core_td stg_td + Nothing -> simpl_sep opts simpl_sw core_td stg_td + +matchSimplSw opt + = firstJust [ matchSwInt opt "-fmax-simplifier-iterations" MaxSimplifierIterations + , matchSwInt opt "-finline-phase" SimplInlinePhase + ] + +matchSwBool :: String -> String -> a -> Maybe a +matchSwBool opt str sw | opt == str = Just sw + | otherwise = Nothing + +matchSwInt :: String -> String -> (Int -> a) -> Maybe a +matchSwInt opt str sw = case startsWith str opt of + Just opt_left -> Just (sw (read opt_left)) + Nothing -> Nothing \end{code} %************************************************************************ %* * -\subsection[CmdLineOpts-order]{Switch ordering} +\subsection{Switch ordering} %* * %************************************************************************ @@ -644,13 +543,6 @@ In spite of the @Produce*@ and @SccGroup@ constructors, these things behave just like enumeration types. \begin{code} -instance Eq GlobalSwitch where - a == b = tagOf_Switch a _EQ_ tagOf_Switch b - -instance Ord GlobalSwitch where - a < b = tagOf_Switch a _LT_ tagOf_Switch b - a <= b = tagOf_Switch a _LE_ tagOf_Switch b - instance Eq SimplifierSwitch where a == b = tagOf_SimplSwitch a _EQ_ tagOf_SimplSwitch b @@ -658,257 +550,58 @@ instance Ord SimplifierSwitch where a < b = tagOf_SimplSwitch a _LT_ tagOf_SimplSwitch b a <= b = tagOf_SimplSwitch a _LE_ tagOf_SimplSwitch b -tagOf_Switch (ProduceC _) =(ILIT(0) :: FAST_INT) -tagOf_Switch (ProduceS _) = ILIT(1) -tagOf_Switch (ProduceHi _) = ILIT(2) -tagOf_Switch (AsmTarget _) = ILIT(4) -tagOf_Switch ForConcurrent = ILIT(6) -tagOf_Switch Haskell_1_3 = ILIT(8) -tagOf_Switch GlasgowExts = ILIT(9) -tagOf_Switch CompilingPrelude = ILIT(10) -tagOf_Switch HideBuiltinNames = ILIT(11) -tagOf_Switch HideMostBuiltinNames = ILIT(12) -tagOf_Switch (EnsureSplittableC _) = ILIT(13) -tagOf_Switch Verbose = ILIT(14) -tagOf_Switch PprStyle_User = ILIT(15) -tagOf_Switch PprStyle_Debug = ILIT(16) -tagOf_Switch PprStyle_All = ILIT(17) -tagOf_Switch DoCoreLinting = ILIT(18) -tagOf_Switch EmitArityChecks = ILIT(19) -tagOf_Switch OmitInterfacePragmas = ILIT(20) -tagOf_Switch OmitDerivedRead = ILIT(21) -tagOf_Switch OmitReexportedInstances = ILIT(22) -tagOf_Switch (UnfoldingUseThreshold _) = ILIT(23) -tagOf_Switch (UnfoldingCreationThreshold _) = ILIT(24) -tagOf_Switch (UnfoldingOverrideThreshold _) = ILIT(25) -tagOf_Switch ReportWhyUnfoldingsDisallowed = ILIT(26) -tagOf_Switch UseGetMentionedVars = ILIT(27) -tagOf_Switch ShowPragmaNameErrs = ILIT(28) -tagOf_Switch NameShadowingNotOK = ILIT(29) -tagOf_Switch SigsRequired = ILIT(30) -tagOf_Switch SccProfilingOn = ILIT(31) -tagOf_Switch AutoSccsOnExportedToplevs = ILIT(32) -tagOf_Switch AutoSccsOnAllToplevs = ILIT(33) -tagOf_Switch AutoSccsOnIndividualCafs = ILIT(34) -tagOf_Switch (SccGroup _) = ILIT(36) -tagOf_Switch DoTickyProfiling = ILIT(37) -tagOf_Switch DoSemiTagging = ILIT(38) -tagOf_Switch FoldrBuildOn = ILIT(39) -tagOf_Switch FoldrBuildTrace = ILIT(40) -tagOf_Switch SpecialiseImports = ILIT(41) -tagOf_Switch ShowImportSpecs = ILIT(42) -tagOf_Switch OmitDefaultInstanceMethods = ILIT(43) -tagOf_Switch SpecialiseOverloaded = ILIT(44) -tagOf_Switch SpecialiseUnboxed = ILIT(45) -tagOf_Switch SpecialiseAll = ILIT(46) -tagOf_Switch SpecialiseTrace = ILIT(47) - -tagOf_Switch OmitBlackHoling = ILIT(49) -tagOf_Switch StgDoLetNoEscapes = ILIT(50) -tagOf_Switch IgnoreStrictnessPragmas = ILIT(51) -tagOf_Switch IrrefutableTuples = ILIT(52) -tagOf_Switch IrrefutableEverything = ILIT(53) -tagOf_Switch AllStrict = ILIT(54) -tagOf_Switch NumbersStrict = ILIT(55) -tagOf_Switch AllDemanded = ILIT(56) - -tagOf_Switch (ReturnInRegsThreshold _) = ILIT(57) -tagOf_Switch (VectoredReturnThreshold _)= ILIT(58) -tagOf_Switch D_dump_rif2hs = ILIT(59) -tagOf_Switch D_dump_rn4 = ILIT(60) -tagOf_Switch D_dump_tc = ILIT(61) -tagOf_Switch D_dump_deriv = ILIT(62) -tagOf_Switch D_dump_ds = ILIT(63) -tagOf_Switch D_dump_simpl = ILIT(64) -tagOf_Switch D_dump_spec = ILIT(65) -tagOf_Switch D_dump_occur_anal = ILIT(66) -tagOf_Switch D_dump_stranal = ILIT(67) -tagOf_Switch D_dump_stg = ILIT(68) -tagOf_Switch D_dump_absC = ILIT(69) -tagOf_Switch D_dump_flatC = ILIT(70) -tagOf_Switch D_dump_realC = ILIT(71) -tagOf_Switch D_dump_asm = ILIT(72) -tagOf_Switch D_show_passes = ILIT(73) ---ANDY:tagOf_Switch D_dump_core_passes_info = ILIT(??) -tagOf_Switch D_verbose_core2core = ILIT(74) -tagOf_Switch D_verbose_stg2stg = ILIT(75) -tagOf_Switch D_simplifier_stats = ILIT(76) -tagOf_Switch D_source_stats = ILIT(77) {-see note below!-} - -#ifndef DPH -tagOf_Switch _ = case (panic "tagOf_Switch") of -- BUG avoidance - s -> tagOf_Switch s - -lAST_SWITCH_TAG = IBOX(tagOf_Switch D_source_stats) - -#else {- Data Parallel Haskell -} - -tagOf_Switch PodizeIntelligent = ILIT(90) -tagOf_Switch PodizeAggresive = ILIT(91) -tagOf_Switch PodizeVeryAggresive = ILIT(92) -tagOf_Switch PodizeExtremelyAggresive = ILIT(93) -tagOf_Switch D_dump_pod = ILIT(94) -tagOf_Switch D_dump_psimpl = ILIT(95) -tagOf_Switch D_dump_nextC = ILIT(96) - -tagOf_Switch _ = case (panic "tagOf_Switch") of -- BUG avoidance - s -> tagOf_Switch s - -lAST_SWITCH_TAG = IBOX(tagOf_Switch D_dump_nextC) - -#endif {- Data Parallel Haskell -} -\end{code} -(Note For Will): Could you please leave a little extra room between -your last option and @D_dump_spec@... Thanks... jon... +tagOf_SimplSwitch (SimplInlinePhase _) = ILIT(1) +tagOf_SimplSwitch (MaxSimplifierIterations _) = ILIT(2) -\begin{code} -tagOf_SimplSwitch SimplOkToDupCode =(ILIT(0) :: FAST_INT) -tagOf_SimplSwitch SimplFloatLetsExposingWHNF = ILIT(1) -tagOf_SimplSwitch SimplOkToFloatPrimOps = ILIT(2) -tagOf_SimplSwitch SimplAlwaysFloatLetsFromLets = ILIT(3) -tagOf_SimplSwitch SimplDoCaseElim = ILIT(4) -tagOf_SimplSwitch SimplReuseCon = ILIT(5) -tagOf_SimplSwitch SimplCaseOfCase = ILIT(6) -tagOf_SimplSwitch SimplLetToCase = ILIT(7) -tagOf_SimplSwitch SimplMayDeleteConjurableIds = ILIT(9) -tagOf_SimplSwitch SimplPedanticBottoms = ILIT(10) -tagOf_SimplSwitch SimplDoArityExpand = ILIT(11) -tagOf_SimplSwitch SimplDoFoldrBuild = ILIT(12) -tagOf_SimplSwitch SimplDoNewOccurAnal = ILIT(13) -tagOf_SimplSwitch SimplDoInlineFoldrBuild = ILIT(14) -tagOf_SimplSwitch IgnoreINLINEPragma = ILIT(15) -tagOf_SimplSwitch SimplDoLambdaEtaExpansion = ILIT(16) -tagOf_SimplSwitch SimplDoEtaReduction = ILIT(18) -tagOf_SimplSwitch EssentialUnfoldingsOnly = ILIT(19) -tagOf_SimplSwitch ShowSimplifierProgress = ILIT(20) -tagOf_SimplSwitch (MaxSimplifierIterations _) = ILIT(21) -tagOf_SimplSwitch (SimplUnfoldingUseThreshold _) = ILIT(22) -tagOf_SimplSwitch (SimplUnfoldingCreationThreshold _) = ILIT(23) -tagOf_SimplSwitch KeepSpecPragmaIds = ILIT(24) -tagOf_SimplSwitch KeepUnusedBindings = ILIT(25) -tagOf_SimplSwitch SimplNoLetFromCase = ILIT(26) -tagOf_SimplSwitch SimplNoLetFromApp = ILIT(27) -tagOf_SimplSwitch SimplNoLetFromStrictLet = ILIT(28) -- If you add anything here, be sure to change lAST_SIMPL_SWITCH_TAG, too! -{- -tagOf_SimplSwitch Extra__SimplFlag1 = ILIT(26) -tagOf_SimplSwitch Extra__SimplFlag2 = ILIT(27) -tagOf_SimplSwitch Extra__SimplFlag3 = ILIT(28) -tagOf_SimplSwitch Extra__SimplFlag4 = ILIT(29) -tagOf_SimplSwitch Extra__SimplFlag5 = ILIT(30) -tagOf_SimplSwitch Extra__SimplFlag6 = ILIT(31) -tagOf_SimplSwitch Extra__SimplFlag8 = ILIT(32) --} - -tagOf_SimplSwitch _ = case (panic "tagOf_SimplSwitch") of -- BUG avoidance - s -> tagOf_SimplSwitch s - -lAST_SIMPL_SWITCH_TAG = IBOX(tagOf_SimplSwitch SimplNoLetFromStrictLet) +lAST_SIMPL_SWITCH_TAG = 2 \end{code} %************************************************************************ %* * -\subsection[CmdLineOpts-lookup]{Switch lookup} +\subsection{Switch lookup} %* * %************************************************************************ \begin{code} -isAmong :: [GlobalSwitch] -> GlobalSwitch -> SwitchResult isAmongSimpl :: [SimplifierSwitch] -> SimplifierSwitch -> SwitchResult -isAmong on_switches +isAmongSimpl on_switches -- Switches mentioned later occur *earlier* + -- in the list; defaults right at the end. = let tidied_on_switches = foldl rm_dups [] on_switches + -- The fold*l* ensures that we keep the latest switches; + -- ie the ones that occur earliest in the list. sw_tbl :: Array Int SwitchResult - - sw_tbl = (array (0, lAST_SWITCH_TAG) -- bounds... - all_undefined) - // defined_elems - - all_undefined = [ i := SwBool False | i <- [0 .. lAST_SWITCH_TAG ] ] - - defined_elems = map mk_assoc_elem tidied_on_switches - in -#ifndef __GLASGOW_HASKELL__ - \ switch -> sw_tbl ! IBOX((tagOf_Switch switch)) -- but this is fast! -#else - -- and this is faster! - -- (avoid some unboxing, bounds checking, and other horrible things:) - case sw_tbl of { _Array bounds_who_needs_'em stuff -> - \ switch -> - case (indexArray# stuff (tagOf_Switch switch)) of - _Lift v -> v - } -#endif - where - mk_assoc_elem k@(ProduceC str) = IBOX(tagOf_Switch k) := SwString str - mk_assoc_elem k@(ProduceS str) = IBOX(tagOf_Switch k) := SwString str - mk_assoc_elem k@(ProduceHi str) = IBOX(tagOf_Switch k) := SwString str ---UNUSED: mk_assoc_elem k@(ProduceHu str) = IBOX(tagOf_Switch k) := SwString str - mk_assoc_elem k@(SccGroup str) = IBOX(tagOf_Switch k) := SwString str - mk_assoc_elem k@(AsmTarget str) = IBOX(tagOf_Switch k) := SwString str - mk_assoc_elem k@(EnsureSplittableC str) = IBOX(tagOf_Switch k) := SwString str - - mk_assoc_elem k@(UnfoldingUseThreshold lvl) = IBOX(tagOf_Switch k) := SwInt lvl - mk_assoc_elem k@(UnfoldingCreationThreshold lvl) = IBOX(tagOf_Switch k) := SwInt lvl - mk_assoc_elem k@(UnfoldingOverrideThreshold lvl) = IBOX(tagOf_Switch k) := SwInt lvl - - mk_assoc_elem k@(ReturnInRegsThreshold lvl) = IBOX(tagOf_Switch k) := SwInt lvl - - mk_assoc_elem k = IBOX(tagOf_Switch k) := SwBool True -- I'm here, Mom! - - -- cannot have duplicates if we are going to use the array thing - - rm_dups switches_so_far switch - = if switch `is_elem` switches_so_far - then switches_so_far - else switch : switches_so_far - where - sw `is_elem` [] = False - sw `is_elem` (s:ss) = (tagOf_Switch sw) _EQ_ (tagOf_Switch s) - || sw `is_elem` ss -\end{code} - -Same thing for @SimplifierSwitches@; for efficiency reasons, we -probably do {\em not} want something overloaded. - \begin{code} -isAmongSimpl on_switches - = let - tidied_on_switches = foldl rm_dups [] on_switches - - sw_tbl :: Array Int SwitchResult - sw_tbl = (array (0, lAST_SIMPL_SWITCH_TAG) -- bounds... all_undefined) // defined_elems - all_undefined = [ i := SwBool False | i <- [0 .. lAST_SIMPL_SWITCH_TAG ] ] + all_undefined = [ (i, SwBool False) | i <- [0 .. lAST_SIMPL_SWITCH_TAG ] ] defined_elems = map mk_assoc_elem tidied_on_switches in -#ifndef __GLASGOW_HASKELL__ - \ switch -> sw_tbl ! IBOX((tagOf_SimplSwitch switch)) -- but this is fast! -#else - -- and this is faster! -- (avoid some unboxing, bounds checking, and other horrible things:) - case sw_tbl of { _Array bounds_who_needs_'em stuff -> + case sw_tbl of { Array bounds_who_needs_'em stuff -> \ switch -> case (indexArray# stuff (tagOf_SimplSwitch switch)) of - _Lift v -> v - } +#if __GLASGOW_HASKELL__ < 400 + Lift v -> v +#elif __GLASGOW_HASKELL__ < 403 + (# _, v #) -> v +#else + (# v #) -> v #endif + } where - mk_assoc_elem k@(MaxSimplifierIterations lvl) = IBOX(tagOf_SimplSwitch k) := SwInt lvl - mk_assoc_elem k@(SimplUnfoldingUseThreshold i) = IBOX(tagOf_SimplSwitch k) := SwInt i - mk_assoc_elem k@(SimplUnfoldingCreationThreshold i) = IBOX(tagOf_SimplSwitch k) := SwInt i - - mk_assoc_elem k = IBOX(tagOf_SimplSwitch k) := SwBool True -- I'm here, Mom! + mk_assoc_elem k@(MaxSimplifierIterations lvl) = (IBOX(tagOf_SimplSwitch k), SwInt lvl) + mk_assoc_elem k@(SimplInlinePhase n) = (IBOX(tagOf_SimplSwitch k), SwInt n) + mk_assoc_elem k = (IBOX(tagOf_SimplSwitch k), SwBool True) -- I'm here, Mom! -- cannot have duplicates if we are going to use the array thing - rm_dups switches_so_far switch = if switch `is_elem` switches_so_far then switches_so_far @@ -919,9 +612,15 @@ isAmongSimpl on_switches || sw `is_elem` ss \end{code} +Default settings for simplifier switches + +\begin{code} +defaultSimplSwitches = [MaxSimplifierIterations 1] +\end{code} + %************************************************************************ %* * -\subsection[CmdLineOpts-misc]{Misc functions for command-line options} +\subsection{Misc functions for command-line options} %* * %************************************************************************ @@ -934,22 +633,28 @@ switchIsOn lookup_fn switch SwBool False -> False _ -> True -stringSwitchSet :: (switch -> SwitchResult) - -> (String -> switch) - -> Maybe String - -stringSwitchSet lookup_fn switch - = case (lookup_fn (switch (panic "stringSwitchSet"))) of - SwString str -> Just str - _ -> Nothing - intSwitchSet :: (switch -> SwitchResult) -> (Int -> switch) -> Maybe Int intSwitchSet lookup_fn switch - = -- pprTrace "intSwitchSet:" (ppInt (IBOX (tagOf_Switch (switch (panic "xxx"))))) $ - case (lookup_fn (switch (panic "intSwitchSet"))) of + = case (lookup_fn (switch (panic "intSwitchSet"))) of SwInt int -> Just int _ -> Nothing \end{code} + +\begin{code} +startsWith :: String -> String -> Maybe String +-- startsWith pfx (pfx++rest) = Just rest + +startsWith [] str = Just str +startsWith (c:cs) (s:ss) + = if c /= s then Nothing else startsWith cs ss +startsWith _ [] = Nothing + +endsWith :: String -> String -> Maybe String +endsWith cs ss + = case (startsWith (reverse cs) (reverse ss)) of + Nothing -> Nothing + Just rs -> Just (reverse rs) +\end{code}