%
-% (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_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}
(\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}
(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}
\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_all = lookUp SLIT("-ddump-all")
+opt_D_dump_most = 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_most || lookUp SLIT("-ddump-inlinings")
+opt_D_dump_occur_anal = opt_D_dump_most || 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_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_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" (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_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}
%* *
%************************************************************************
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
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
|| 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}
%* *
%************************************************************************
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}
projects / ghc-hetmet.git / blobdiff