%
-% (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(..),
intSwitchSet,
switchIsOn,
- maybe_CompilingGhcInternals,
- 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_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_DoStgLinting,
- opt_DoSemiTagging,
- opt_DoEtaReduction,
+ 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,
- opt_EnsureSplittableC,
- opt_FoldrBuildOn,
- opt_ForConcurrent,
+
+ -- 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_IrrefutableTuples,
- opt_LiberateCaseThreshold,
+ opt_NoHiCheck,
opt_NoImplicitPrelude,
- opt_NumbersStrict,
opt_OmitBlackHoling,
opt_OmitInterfacePragmas,
- opt_PprStyle_All,
- opt_PprStyle_Debug,
- opt_PprStyle_User, -- ToDo: rm
- opt_PprUserLength,
opt_ProduceC,
+ opt_ProduceExportCStubs,
+ opt_ProduceExportHStubs,
opt_ProduceHi,
opt_ProduceS,
- opt_ReportWhyUnfoldingsDisallowed,
- opt_ReturnInRegsThreshold,
- opt_SccGroup,
- opt_SccProfilingOn,
- opt_ShowImportSpecs,
- 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_UnfoldingKeenessFactor,
-
+ opt_Static,
+ opt_Unregisterised,
opt_Verbose,
- opt_WarnNameShadowing,
- opt_WarnUnusedNames,
- opt_WarnIncompletePatterns, opt_WarnOverlappedPatterns,
- opt_WarnMissingMethods,
- opt_WarnDuplicateExports,
- opt_PruneTyDecls, opt_PruneInstDecls,
- opt_D_show_unused_imports,
- opt_D_show_rn_stats,
-
- all_toplev_ids_visible
- ) where
-IMPORT_1_3(Array(array, (//)))
-#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ <= 201
-import PreludeGlaST -- bad bad bad boy, Will (_Array internals)
-#else
-import GlaExts
-import ArrBase
-#if __GLASGOW_HASKELL__ >= 209
-import Addr
-#endif
--- 2.04 and later exports Lift from GlaExts
-#if __GLASGOW_HASKELL__ < 204
-import PrelBase (Lift(..))
-#endif
-#endif
+ -- 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
(\tr{simplCore/SimplCore.lhs), and in the STG-to-STG processing loop
(\tr{simplStg/SimplStg.lhs}).
+
%************************************************************************
%* *
\subsection{Datatypes associated with command-line options}
(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
- | CoreDoFoldrBuildWorkerWrapper
- | CoreDoFoldrBuildWWAnal
+ | CoreDoUSPInf
+ | CoreDoCPResult
+ | CoreCSE
\end{code}
\begin{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.
- | 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
- | SimplCaseScrutinee -- This flag tells that the expression being simplified is
- -- the scrutinee of a case expression, so we should
- -- apply the scrutinee discount when considering inlinings.
- -- See SimplVar.lhs
+ = MaxSimplifierIterations Int
+ | SimplInlinePhase Int
\end{code}
%************************************************************************
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_AllStrict = lookUp SLIT("-fall-strict")
-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="
+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_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_rdr = lookUp SLIT("-ddump-rdr")
+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_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_show_rn_trace = lookUp SLIT("-dshow-rn-trace")
-opt_D_simplifier_stats = lookUp SLIT("-dsimplifier-stats")
+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_DoSemiTagging = lookUp SLIT("-fsemi-tagging")
+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_EnsureSplittableC = lookUp SLIT("-fglobalise-toplev-names")
+opt_DoSemiTagging = lookUp SLIT("-fsemi-tagging")
opt_FoldrBuildOn = lookUp SLIT("-ffoldr-build-on")
-opt_ForConcurrent = lookUp SLIT("-fconcurrent")
+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_GlasgowExts = lookUp SLIT("-fglasgow-exts")
---UNUSED: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_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_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_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_PprUserLength = lookup_def_int "-dppr-user-length" 5 --ToDo: give this a name
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_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_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_LiberateCaseThreshold = lookup_def_int "-fliberate-case-threshold" lIBERATE_CASE_THRESHOLD
-opt_UnfoldingKeenessFactor = lookup_def_float "-funfolding-keeness-factor" uNFOLDING_KEENESS_FACTOR
-opt_WarnNameShadowing = lookUp SLIT("-fwarn-name-shadowing")
-opt_WarnIncompletePatterns = lookUp SLIT("-fwarn-incomplete-patterns")
-opt_WarnOverlappedPatterns = lookUp SLIT("-fwarn-overlapped-patterns")
-opt_WarnUnusedNames = lookUp SLIT("-fwarn-unused-names")
-opt_WarnMissingMethods = lookUp SLIT("-fwarn-missing-methods")
-opt_WarnDuplicateExports = lookUp SLIT("-fwarn-duplicate-exports")
-opt_PruneTyDecls = not (lookUp SLIT("-fno-prune-tydecls"))
-opt_PruneInstDecls = not (lookUp SLIT("-fno-prune-instdecls"))
-opt_D_show_unused_imports = lookUp SLIT("-dshow-unused-imports")
-opt_D_show_rn_stats = lookUp SLIT("-dshow-rn-stats")
-
--- opt_UnfoldingOverrideThreshold = lookup_int "-funfolding-override-threshold"
-\end{code}
-
-
-\begin{code}
-all_toplev_ids_visible :: Bool
-all_toplev_ids_visible =
- not opt_OmitInterfacePragmas || -- Pragmas can make them visible
- opt_EnsureSplittableC || -- Splitting requires visiblilty
- opt_AutoSccsOnAllToplevs -- ditto for profiling
- -- (ToDo: fix up the auto-annotation
- -- pass in the desugarer to avoid having
- -- to do this)
-
+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}
classifyOpts :: ([CoreToDo], -- Core-to-Core processing spec
[StgToDo]) -- STG-to-STG 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
# 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)
- "-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)
"-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.
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
+ 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
- _ -> -- NB: the driver is really supposed to handle bad options
- 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}
%************************************************************************
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)
-tagOf_SimplSwitch SimplCaseScrutinee = ILIT(32)
--- If you add anything here, be sure to change lAST_SIMPL_SWITCH_TAG, too!
+tagOf_SimplSwitch (SimplInlinePhase _) = ILIT(1)
+tagOf_SimplSwitch (MaxSimplifierIterations _) = ILIT(2)
-tagOf_SimplSwitch _ = panic# "tagOf_SimplSwitch"
+-- If you add anything here, be sure to change lAST_SIMPL_SWITCH_TAG, too!
-lAST_SIMPL_SWITCH_TAG = IBOX(tagOf_SimplSwitch SimplCaseScrutinee)
+lAST_SIMPL_SWITCH_TAG = 2
\end{code}
%************************************************************************
%************************************************************************
\begin{code}
-#if __GLASGOW_HASKELL__ == 201
-# define ARRAY Array
-# define LIFT GHCbase.Lift
-# define SET_TO =:
-(=:) a b = (a,b)
-#elif __GLASGOW_HASKELL__ >= 202
-# define ARRAY Array
-# define LIFT 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*
-- 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 ->
+ 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) 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
Default settings for simplifier switches
\begin{code}
-defaultSimplSwitches = [MaxSimplifierIterations 1
- ]
+defaultSimplSwitches = [MaxSimplifierIterations 1]
\end{code}
%************************************************************************
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
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