X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FCmdLineOpts.lhs;h=2d105bd8b37a95f78e51d02b13bbc06f215b6aed;hb=39262efa1c066d97547ac72d8bd16a145ac3f359;hp=183c3990c7079dece1f2446e1103c0c7cdbb946a;hpb=8f7ac3fe40d3d55743b824deab655d0797a1c55f;p=ghc-hetmet.git diff --git a/ghc/compiler/main/CmdLineOpts.lhs b/ghc/compiler/main/CmdLineOpts.lhs index 183c399..2d105bd 100644 --- a/ghc/compiler/main/CmdLineOpts.lhs +++ b/ghc/compiler/main/CmdLineOpts.lhs @@ -1,11 +1,9 @@ % -% (c) The AQUA Project, Glasgow University, 1996 +% (c) The AQUA Project, Glasgow University, 1996-98 % \section[CmdLineOpts]{Things to do with command-line options} \begin{code} -#include "HsVersions.h" - module CmdLineOpts ( CoreToDo(..), SimplifierSwitch(..), @@ -16,96 +14,159 @@ module CmdLineOpts ( intSwitchSet, switchIsOn, - maybe_CompilingGhcInternals, - opt_AllDemanded, - opt_AllStrict, - opt_AutoSccsOnAllToplevs, - opt_AutoSccsOnExportedToplevs, - opt_AutoSccsOnIndividualCafs, - opt_CompilingGhcInternals, + src_filename, + + -- debugging opts opt_D_dump_absC, opt_D_dump_asm, - opt_D_dump_deforest, + 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_rdr, + 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_show_rn_trace, - opt_D_simplifier_stats, + 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_DoSemiTagging, - opt_DoEtaReduction, + opt_DoStgLinting, + opt_DoUSPLinting, + opt_PprStyle_Debug, + opt_PprStyle_NoPrags, + opt_PprUserLength, + + -- warning opts + opt_WarnDuplicateExports, + opt_WarnHiShadows, + opt_WarnIncompletePatterns, + opt_WarnMissingFields, + 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, - opt_EnsureSplittableC, - opt_FoldrBuildOn, - opt_FoldrBuildTrace, - opt_ForConcurrent, + + -- language opts + opt_AllStrict, + opt_DictsStrict, + opt_MaxContextReductionDepth, + opt_AllowOverlappingInstances, + opt_AllowUndecidableInstances, opt_GlasgowExts, + opt_IrrefutableTuples, + opt_NumbersStrict, + opt_Parallel, + opt_SMP, + + -- optimisation opts + opt_DoEtaReduction, + opt_DoSemiTagging, + opt_FoldrBuildOn, + opt_LiberateCaseThreshold, + opt_StgDoLetNoEscapes, + opt_UnfoldCasms, + opt_UsageSPOn, + opt_UnboxStrictFields, + opt_SimplNoPreInlining, + opt_SimplDoEtaReduction, + opt_SimplDoLambdaEtaExpansion, + opt_SimplCaseOfCase, + opt_SimplCaseMerge, + 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_Haskell_1_3, opt_HiMap, + opt_HiMapSep, + opt_HiVersion, + opt_HistorySize, + opt_IgnoreAsserts, opt_IgnoreIfacePragmas, - opt_IgnoreStrictnessPragmas, - opt_IrrefutableEverything, - opt_IrrefutableTuples, - opt_LiberateCaseThreshold, + opt_NoHiCheck, opt_NoImplicitPrelude, - opt_NumbersStrict, opt_OmitBlackHoling, - opt_OmitDefaultInstanceMethods, opt_OmitInterfacePragmas, - opt_PprStyle_All, - opt_PprStyle_Debug, - opt_PprStyle_User, opt_ProduceC, + opt_ProduceExportCStubs, + opt_ProduceExportHStubs, opt_ProduceHi, opt_ProduceS, - opt_ReportWhyUnfoldingsDisallowed, - opt_ReturnInRegsThreshold, - opt_SccGroup, - opt_SccProfilingOn, - opt_ShowImportSpecs, - opt_ShowPragmaNameErrs, - opt_SigsRequired, + opt_NoPruneDecls, + opt_ReportCompile, opt_SourceUnchanged, - opt_SpecialiseAll, - opt_SpecialiseImports, - opt_SpecialiseOverloaded, - opt_SpecialiseTrace, - opt_SpecialiseUnboxed, - opt_StgDoLetNoEscapes, - - opt_InterfaceUnfoldThreshold, - opt_UnfoldingCreationThreshold, - opt_UnfoldingConDiscount, - opt_UnfoldingUseThreshold, - + opt_Static, + opt_Unregisterised, opt_Verbose, - opt_WarnNameShadowing - ) where -IMPORT_1_3(Array(array, (//))) -import PreludeGlaST -- bad bad bad boy, Will (_Array internals) -import Argv + -- Code generation + opt_UseVanillaRegs, + opt_UseFloatRegs, + opt_UseDoubleRegs, + opt_UseLongRegs + ) where -CHK_Ubiq() -- debugging consistency check +#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 Util ( startsWith, panic, panic#, assertPanic ) +import Panic ( panic, panic# ) + +#if __GLASGOW_HASKELL__ < 301 +import ArrBase ( Array(..) ) +#else +import PrelArr ( Array(..) ) +#endif \end{code} A command-line {\em switch} is (generally) either on or off; e.g., the @@ -122,6 +183,7 @@ 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}). + %************************************************************************ %* * \subsection{Datatypes associated with command-line options} @@ -144,18 +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. - | CoreDoCalcInlinings1 - | CoreDoCalcInlinings2 | CoreDoFloatInwards | CoreDoFullLaziness | CoreLiberateCase | CoreDoPrintCore | CoreDoStaticArgs | CoreDoStrictness + | CoreDoWorkerWrapper | CoreDoSpecialising - | CoreDoDeforest - | CoreDoFoldrBuildWorkerWrapper - | CoreDoFoldrBuildWWAnal + | CoreDoUSPInf + | CoreDoCPResult + | CoreCSE \end{code} \begin{code} @@ -171,53 +232,10 @@ data StgToDo \begin{code} data SimplifierSwitch - = SimplOkToDupCode - | SimplFloatLetsExposingWHNF - | SimplOkToFloatPrimOps - | SimplAlwaysFloatLetsFromLets - | SimplDoCaseElim - | SimplReuseCon - | SimplCaseOfCase + = MaxSimplifierIterations Int + | SimplInlinePhase Int + | DontApplyRules | 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. - | SimplDoInlineFoldrBuild - -- inline foldr/build (*after* f/b rule is used) - - | IgnoreINLINEPragma - | SimplDoLambdaEtaExpansion - - | 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 - - | 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 - - | SimplDontFoldBackAppend - -- we fold `foldr (:)' back into flip (++), - -- but we *don't* want to do it when compiling - -- List.hs, otherwise - -- xs ++ ys = foldr (:) ys xs - -- {- via our loopback -} - -- xs ++ ys = xs ++ ys - -- Oops! - -- So only use this flag inside List.hs - -- (Sigh, what a HACK, Andy. WDP 96/01) - - | SimplCaseMerge \end{code} %************************************************************************ @@ -227,10 +245,11 @@ data SimplifierSwitch %************************************************************************ \begin{code} -lookUp :: FAST_STRING -> Bool -lookup_int :: String -> Maybe Int -lookup_def_int :: String -> Int -> Int -lookup_str :: String -> Maybe String +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 lookUp sw = maybeToBool (assoc_opts sw) @@ -244,92 +263,196 @@ lookup_def_int sw def = case (lookup_str sw) of Nothing -> def -- Use default Just xx -> read xx +lookup_def_char sw def = case (lookup_str sw) of + Just (xx:_) -> xx + _ -> def -- Use default + +lookup_def_float sw def = case (lookup_str sw) of + Nothing -> def -- Use default + Just xx -> read xx + assoc_opts = assocMaybe [ (a, True) | a <- argv ] unpacked_opts = map _UNPK_ argv + +{- + 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} \begin{code} -opt_AllDemanded = lookUp SLIT("-fall-demanded") -opt_AllStrict = lookUp SLIT("-fall-strict") +src_filename :: FAST_STRING +src_filename = case argv of + filename : rest | headFS filename /= '-' -> filename + otherwise -> panic "no filename" +\end{code} + +\begin{code} +-- debugging opts +opt_D_dump_all {- do not -} = lookUp SLIT("-ddump-all") +opt_D_dump_most {- export -} = opt_D_dump_all || lookUp SLIT("-ddump-most") + +opt_D_dump_absC = opt_D_dump_all || lookUp SLIT("-ddump-absC") +opt_D_dump_asm = opt_D_dump_all || lookUp SLIT("-ddump-asm") +opt_D_dump_cpranal = opt_D_dump_most || lookUp SLIT("-ddump-cpranal") +opt_D_dump_deriv = opt_D_dump_most || lookUp SLIT("-ddump-deriv") +opt_D_dump_ds = opt_D_dump_most || lookUp SLIT("-ddump-ds") +opt_D_dump_flatC = opt_D_dump_all || lookUp SLIT("-ddump-flatC") +opt_D_dump_foreign = opt_D_dump_most || lookUp SLIT("-ddump-foreign-stubs") +opt_D_dump_inlinings = opt_D_dump_all || lookUp SLIT("-ddump-inlinings") +opt_D_dump_occur_anal = opt_D_dump_all || lookUp SLIT("-ddump-occur-anal") +opt_D_dump_parsed = opt_D_dump_most || lookUp SLIT("-ddump-parsed") +opt_D_dump_realC = opt_D_dump_all || lookUp SLIT("-ddump-realC") +opt_D_dump_rn = opt_D_dump_most || lookUp SLIT("-ddump-rn") +opt_D_dump_simpl = opt_D_dump_most || lookUp SLIT("-ddump-simpl") +opt_D_dump_simpl_iterations = opt_D_dump_all || lookUp SLIT("-ddump-simpl-iterations") +opt_D_dump_spec = opt_D_dump_most || lookUp SLIT("-ddump-spec") +opt_D_dump_stg = opt_D_dump_most || lookUp SLIT("-ddump-stg") +opt_D_dump_stranal = opt_D_dump_most || lookUp SLIT("-ddump-stranal") +opt_D_dump_tc = opt_D_dump_most || lookUp SLIT("-ddump-tc") +opt_D_dump_rules = opt_D_dump_most || lookUp SLIT("-ddump-rules") +opt_D_dump_usagesp = opt_D_dump_most || lookUp SLIT("-ddump-usagesp") +opt_D_dump_cse = opt_D_dump_most || lookUp SLIT("-ddump-cse") +opt_D_dump_worker_wrapper = opt_D_dump_most || lookUp SLIT("-ddump-workwrap") +opt_D_show_passes = opt_D_dump_most || lookUp SLIT("-dshow-passes") +opt_D_dump_rn_trace = opt_D_dump_all || lookUp SLIT("-ddump-rn-trace") +opt_D_dump_rn_stats = opt_D_dump_most || lookUp SLIT("-ddump-rn-stats") +opt_D_dump_simpl_stats = opt_D_dump_most || lookUp SLIT("-ddump-simpl-stats") +opt_D_source_stats = opt_D_dump_most || lookUp SLIT("-dsource-stats") +opt_D_verbose_core2core = opt_D_dump_all || lookUp SLIT("-dverbose-simpl") +opt_D_verbose_stg2stg = opt_D_dump_all || 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_WarnMissingFields = lookUp SLIT("-fwarn-missing-fields") +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_CompilingGhcInternals = maybeToBool maybe_CompilingGhcInternals -maybe_CompilingGhcInternals = lookup_str "-fcompiling-ghc-internals=" -opt_D_dump_absC = lookUp SLIT("-ddump-absC") -opt_D_dump_asm = lookUp SLIT("-ddump-asm") -opt_D_dump_deforest = lookUp SLIT("-ddump-deforest") -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_occur_anal = lookUp SLIT("-ddump-occur-anal") -opt_D_dump_rdr = lookUp SLIT("-ddump-rdr") -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_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_show_passes = lookUp SLIT("-dshow-passes") -opt_D_show_rn_trace = lookUp SLIT("-dshow-rn-trace") -opt_D_simplifier_stats = lookUp SLIT("-dsimplifier-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_DoSemiTagging = lookUp SLIT("-fsemi-tagging") +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") +opt_SMP = lookUp SLIT("-fsmp") + +-- optimisation opts opt_DoEtaReduction = lookUp SLIT("-fdo-eta-reduction") -opt_EnsureSplittableC = lookUp SLIT("-fglobalise-toplev-names") +opt_DoSemiTagging = lookUp SLIT("-fsemi-tagging") opt_FoldrBuildOn = lookUp SLIT("-ffoldr-build-on") -opt_FoldrBuildTrace = lookUp SLIT("-ffoldr-build-trace") -opt_ForConcurrent = lookUp SLIT("-fconcurrent") +opt_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" (10::Int) +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_GlasgowExts = lookUp SLIT("-fglasgow-exts") -opt_Haskell_1_3 = lookUp SLIT("-fhaskell-1.3") -opt_HiMap = lookup_str "-himap=" -- file saying where to look for .hi files +opt_HiMap = lookup_str "-himap=" -- file saying where to look for .hi files +opt_HiMapSep = lookup_def_char "-himap-sep=" ':' +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_IgnoreStrictnessPragmas = lookUp SLIT("-fignore-strictness-pragmas") -opt_IrrefutableEverything = lookUp SLIT("-firrefutable-everything") -opt_IrrefutableTuples = lookUp SLIT("-firrefutable-tuples") +opt_NoHiCheck = lookUp SLIT("-fno-hi-version-check") opt_NoImplicitPrelude = lookUp SLIT("-fno-implicit-prelude") -opt_NumbersStrict = lookUp SLIT("-fnumbers-strict") opt_OmitBlackHoling = lookUp SLIT("-dno-black-holing") -opt_OmitDefaultInstanceMethods = lookUp SLIT("-fomit-default-instance-methods") opt_OmitInterfacePragmas = lookUp SLIT("-fomit-interface-pragmas") -opt_PprStyle_All = lookUp SLIT("-dppr-all") -opt_PprStyle_Debug = lookUp SLIT("-dppr-debug") -opt_PprStyle_User = lookUp SLIT("-dppr-user") opt_ProduceC = lookup_str "-C=" -opt_ProduceS = lookup_str "-S=" +opt_ProduceExportCStubs = lookup_str "-F=" +opt_ProduceExportHStubs = lookup_str "-FH=" opt_ProduceHi = lookup_str "-hifile=" -- the one to produce this time -opt_ReportWhyUnfoldingsDisallowed= lookUp SLIT("-freport-disallowed-unfoldings") -opt_SccProfilingOn = lookUp SLIT("-fscc-profiling") -opt_ShowImportSpecs = lookUp SLIT("-fshow-import-specs") -opt_ShowPragmaNameErrs = lookUp SLIT("-fshow-pragma-name-errs") -opt_SigsRequired = lookUp SLIT("-fsignatures-required") -opt_SourceUnchanged = lookUp SLIT("-fsource-unchanged") -opt_SpecialiseAll = lookUp SLIT("-fspecialise-all") -opt_SpecialiseImports = lookUp SLIT("-fspecialise-imports") -opt_SpecialiseOverloaded = lookUp SLIT("-fspecialise-overloaded") -opt_SpecialiseTrace = lookUp SLIT("-ftrace-specialisation") -opt_SpecialiseUnboxed = lookUp SLIT("-fspecialise-unboxed") -opt_StgDoLetNoEscapes = lookUp SLIT("-flet-no-escape") -opt_ReturnInRegsThreshold = lookup_int "-freturn-in-regs-threshold" -opt_SccGroup = lookup_str "-G=" -opt_Verbose = lookUp SLIT("-v") -opt_InterfaceUnfoldThreshold = lookup_def_int "-funfolding-interface-threshold" iNTERFACE_UNFOLD_THRESHOLD -opt_UnfoldingCreationThreshold = lookup_def_int "-funfolding-creation-threshold" uNFOLDING_CREATION_THRESHOLD -opt_UnfoldingUseThreshold = lookup_def_int "-funfolding-use-threshold" uNFOLDING_USE_THRESHOLD -opt_UnfoldingConDiscount = lookup_def_int "-funfolding-con-discount" uNFOLDING_CON_DISCOUNT_WEIGHT +-- 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_SimplDoLambdaEtaExpansion = lookUp SLIT("-fdo-lambda-eta-expansion") +opt_SimplCaseOfCase = lookUp SLIT("-fcase-of-case") +opt_SimplCaseMerge = lookUp SLIT("-fcase-merge") +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" (2::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_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" lIBERATE_CASE_THRESHOLD -opt_WarnNameShadowing = lookUp SLIT("-fwarn-name-shadowing") - --- opt_UnfoldingUseThreshold = lookup_int "-funfolding-use-threshold" --- opt_UnfoldingOverrideThreshold = lookup_int "-funfolding-override-threshold" +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} \begin{code} @@ -338,7 +461,7 @@ classifyOpts :: ([CoreToDo], -- Core-to-Core processing spec classifyOpts = sep argv [] [] -- accumulators... where - sep :: [FAST_STRING] -- cmd-line opts (input) + sep :: [FAST_STRING] -- cmd-line opts (input) -> [CoreToDo] -> [StgToDo] -- to_do accumulators -> ([CoreToDo], [StgToDo]) -- result @@ -347,29 +470,25 @@ classifyOpts = sep argv [] [] -- accumulators... # 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) -# define IGNORE_ARG() sep opts core_td stg_td sep (opt1:opts) core_td stg_td - = - case (_UNPK_ opt1) of -- the non-"just match a string" options are at the end... - - ',' : _ -> IGNORE_ARG() -- it is for the parser + = 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 "-fsimplify" -> -- gather up SimplifierSwitches specially... simpl_sep opts defaultSimplSwitches 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) + "-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) - "-fdeforest" -> CORE_TD(CoreDoDeforest) - "-ffoldr-build-worker-wrapper" -> CORE_TD(CoreDoFoldrBuildWorkerWrapper) - "-ffoldr-build-ww-anal" -> CORE_TD(CoreDoFoldrBuildWWAnal) + "-fusagesp" -> CORE_TD(CoreDoUSPInf) + "-fcpr-analyse" -> CORE_TD(CoreDoCPResult) "-fstg-static-args" -> STG_TD(StgDoStaticArgs) "-fupdate-analysis" -> STG_TD(StgDoUpdateAnalysis) @@ -378,14 +497,14 @@ classifyOpts = sep argv [] [] -- accumulators... "-fmassage-stg-for-profiling" -> STG_TD(StgDoMassageForProfiling) _ -> -- NB: the driver is really supposed to handle bad options - IGNORE_ARG() + sep opts core_td stg_td ---------------- - simpl_sep :: [FAST_STRING] -- cmd-line opts (input) - -> [SimplifierSwitch] -- simplifier-switch accumulator - -> [CoreToDo] -> [StgToDo] -- to_do accumulators - -> ([CoreToDo], [StgToDo]) -- 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. @@ -395,52 +514,35 @@ classifyOpts = sep argv [] [] -- accumulators... = panic "simpl_sep []" #endif - -- The SimplifierSwitches should be delimited by "(" and ")". + -- 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 + "[" -> 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 -# define SIMPL_SW(sw) simpl_sep opts (sw:simpl_sw) core_td stg_td - - -- the non-"just match a string" options are at the end... - "-fshow-simplifier-progress" -> SIMPL_SW(ShowSimplifierProgress) - "-fcode-duplication-ok" -> SIMPL_SW(SimplOkToDupCode) - "-ffloat-lets-exposing-whnf" -> SIMPL_SW(SimplFloatLetsExposingWHNF) - "-ffloat-primops-ok" -> SIMPL_SW(SimplOkToFloatPrimOps) - "-falways-float-lets-from-lets" -> SIMPL_SW(SimplAlwaysFloatLetsFromLets) - "-fdo-case-elim" -> SIMPL_SW(SimplDoCaseElim) - "-fdo-lambda-eta-expansion" -> SIMPL_SW(SimplDoLambdaEtaExpansion) - "-fdo-foldr-build" -> SIMPL_SW(SimplDoFoldrBuild) - "-fdo-not-fold-back-append" -> SIMPL_SW(SimplDontFoldBackAppend) - "-fdo-arity-expand" -> SIMPL_SW(SimplDoArityExpand) - "-fdo-inline-foldr-build" -> SIMPL_SW(SimplDoInlineFoldrBuild) - "-freuse-con" -> SIMPL_SW(SimplReuseCon) - "-fcase-of-case" -> SIMPL_SW(SimplCaseOfCase) - "-fcase-merge" -> SIMPL_SW(SimplCaseMerge) - "-flet-to-case" -> SIMPL_SW(SimplLetToCase) - "-fpedantic-bottoms" -> SIMPL_SW(SimplPedanticBottoms) - "-fkeep-spec-pragma-ids" -> SIMPL_SW(KeepSpecPragmaIds) - "-fkeep-unused-bindings" -> SIMPL_SW(KeepUnusedBindings) - "-fmay-delete-conjurable-ids" -> SIMPL_SW(SimplMayDeleteConjurableIds) - "-fessential-unfoldings-only" -> SIMPL_SW(EssentialUnfoldingsOnly) - "-fignore-inline-pragma" -> SIMPL_SW(IgnoreINLINEPragma) - "-fno-let-from-case" -> SIMPL_SW(SimplNoLetFromCase) - "-fno-let-from-app" -> SIMPL_SW(SimplNoLetFromApp) - "-fno-let-from-strict-let" -> SIMPL_SW(SimplNoLetFromStrictLet) - - o | starts_with_msi -> SIMPL_SW(MaxSimplifierIterations (read after_msi)) - where - maybe_msi = startsWith "-fmax-simplifier-iterations" o - starts_with_msi = maybeToBool maybe_msi - (Just after_msi) = maybe_msi - - _ -> -- NB: the driver is really supposed to handle bad options - simpl_sep opts simpl_sw 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 opt "-fno-rules" DontApplyRules + , matchSwBool opt "-flet-to-case" SimplLetToCase + ] + +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} %************************************************************************ @@ -460,36 +562,15 @@ instance Ord SimplifierSwitch where a < b = tagOf_SimplSwitch a _LT_ tagOf_SimplSwitch b a <= b = tagOf_SimplSwitch a _LE_ tagOf_SimplSwitch b -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 SimplDoInlineFoldrBuild = ILIT(14) -tagOf_SimplSwitch IgnoreINLINEPragma = ILIT(15) -tagOf_SimplSwitch SimplDoLambdaEtaExpansion = ILIT(16) -tagOf_SimplSwitch EssentialUnfoldingsOnly = ILIT(19) -tagOf_SimplSwitch ShowSimplifierProgress = ILIT(20) -tagOf_SimplSwitch (MaxSimplifierIterations _) = ILIT(21) -tagOf_SimplSwitch KeepSpecPragmaIds = ILIT(25) -tagOf_SimplSwitch KeepUnusedBindings = ILIT(26) -tagOf_SimplSwitch SimplNoLetFromCase = ILIT(27) -tagOf_SimplSwitch SimplNoLetFromApp = ILIT(28) -tagOf_SimplSwitch SimplNoLetFromStrictLet = ILIT(29) -tagOf_SimplSwitch SimplDontFoldBackAppend = ILIT(30) -tagOf_SimplSwitch SimplCaseMerge = ILIT(31) --- If you add anything here, be sure to change lAST_SIMPL_SWITCH_TAG, too! -tagOf_SimplSwitch _ = panic# "tagOf_SimplSwitch" +tagOf_SimplSwitch (SimplInlinePhase _) = ILIT(1) +tagOf_SimplSwitch (MaxSimplifierIterations _) = ILIT(2) +tagOf_SimplSwitch DontApplyRules = ILIT(3) +tagOf_SimplSwitch SimplLetToCase = ILIT(4) -lAST_SIMPL_SWITCH_TAG = IBOX(tagOf_SimplSwitch SimplCaseMerge) +-- If you add anything here, be sure to change lAST_SIMPL_SWITCH_TAG, too! + +lAST_SIMPL_SWITCH_TAG = 4 \end{code} %************************************************************************ @@ -499,17 +580,6 @@ lAST_SIMPL_SWITCH_TAG = IBOX(tagOf_SimplSwitch SimplCaseMerge) %************************************************************************ \begin{code} -#if __GLASGOW_HASKELL__ >= 200 -# define ARRAY Array -# define LIFT GHCbase.Lift -# define SET_TO =: -(=:) a b = (a,b) -#else -# define ARRAY _Array -# define LIFT _Lift -# define SET_TO := -#endif - isAmongSimpl :: [SimplifierSwitch] -> SimplifierSwitch -> SwitchResult isAmongSimpl on_switches -- Switches mentioned later occur *earlier* @@ -520,25 +590,34 @@ isAmongSimpl on_switches -- Switches mentioned later occur *earlier* -- ie the ones that occur earliest in the list. sw_tbl :: Array Int SwitchResult - sw_tbl = (array (0, lAST_SIMPL_SWITCH_TAG) -- bounds... all_undefined) // defined_elems - all_undefined = [ i SET_TO 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 -- (avoid some unboxing, bounds checking, and other horrible things:) - case sw_tbl of { ARRAY bounds_who_needs_'em stuff -> +#if __GLASGOW_HASKELL__ < 405 + case sw_tbl of { Array bounds_who_needs_'em stuff -> +#else + case sw_tbl of { Array _ _ stuff -> +#endif \ 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) SET_TO SwInt lvl - - mk_assoc_elem k = IBOX(tagOf_SimplSwitch k) SET_TO 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 @@ -554,8 +633,7 @@ isAmongSimpl on_switches -- Switches mentioned later occur *earlier* Default settings for simplifier switches \begin{code} -defaultSimplSwitches = [MaxSimplifierIterations 1 - ] +defaultSimplSwitches = [MaxSimplifierIterations 1] \end{code} %************************************************************************ @@ -573,15 +651,6 @@ switchIsOn lookup_fn switch SwBool False -> False _ -> True -stringSwitchSet :: (switch -> SwitchResult) - -> (FAST_STRING -> switch) - -> Maybe FAST_STRING - -stringSwitchSet lookup_fn switch - = case (lookup_fn (switch (panic "stringSwitchSet"))) of - SwString str -> Just str - _ -> Nothing - intSwitchSet :: (switch -> SwitchResult) -> (Int -> switch) -> Maybe Int @@ -591,3 +660,19 @@ intSwitchSet lookup_fn switch 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}