DynFlags.hs 60.4 KB
Newer Older
1

2
{-# OPTIONS -fno-warn-missing-fields #-}
3 4 5 6 7 8 9 10 11 12 13 14 15
-----------------------------------------------------------------------------
--
-- Dynamic flags
--
-- Most flags are dynamic flags, which means they can change from
-- compilation to compilation using OPTIONS_GHC pragmas, and in a
-- multi-session GHC each session can be using different dynamic
-- flags.  Dynamic flags can also be set at the prompt in GHCi.
--
-- (c) The University of Glasgow 2005
--
-----------------------------------------------------------------------------

16
{-# OPTIONS -w #-}
17 18 19
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and fix
-- any warnings in the module. See
Ian Lynagh's avatar
Ian Lynagh committed
20
--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
21 22
-- for details

23 24 25 26
module DynFlags (
	-- Dynamic flags
	DynFlag(..),
	DynFlags(..),
27
	HscTarget(..), isObjectTarget, defaultObjectTarget,
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
	GhcMode(..), isOneShot,
	GhcLink(..), isNoLink,
	PackageFlag(..),
	Option(..),

	-- Configuration of the core-to-core and stg-to-stg phases
	CoreToDo(..),
	StgToDo(..),
	SimplifierSwitch(..), 
	SimplifierMode(..), FloatOutSwitches(..),
	getCoreToDo, getStgToDo,
	
	-- Manipulating DynFlags
	defaultDynFlags,		-- DynFlags
	initDynFlags,			-- DynFlags -> IO DynFlags

	dopt,				-- DynFlag -> DynFlags -> Bool
	dopt_set, dopt_unset,		-- DynFlags -> DynFlag -> DynFlags
	getOpts,			-- (DynFlags -> [a]) -> IO [a]
	getVerbFlag,
	updOptLevel,
49
	setTmpDir,
50
	setPackageName,
51 52 53
	
	-- parsing DynFlags
	parseDynamicFlags,
54
        allFlags,
55 56

	-- misc stuff
Ian Lynagh's avatar
Ian Lynagh committed
57 58
	machdepCCOpts, picCCOpts,
    supportedLanguages,
59
    compilerInfo,
60 61 62 63
  ) where

#include "HsVersions.h"

64
import Module		( Module, mkModuleName, mkModule, ModLocation )
Simon Marlow's avatar
Simon Marlow committed
65
import PackageConfig
66
import PrelNames	( mAIN )
Simon Marlow's avatar
Simon Marlow committed
67 68 69 70
#ifdef i386_TARGET_ARCH
import StaticFlags	( opt_Static )
#endif
import StaticFlags	( opt_PIC, WayName(..), v_Ways, v_Build_tag,
71
			  v_RTS_Build_tag )
72 73 74 75
import {-# SOURCE #-} Packages (PackageState)
import DriverPhases	( Phase(..), phaseInputExt )
import Config
import CmdLineParser
76
import Constants	( mAX_CONTEXT_REDUCTION_DEPTH )
77
import Panic		( panic, GhcException(..) )
78
import UniqFM           ( UniqFM )
79
import Util
80
import Maybes		( orElse, fromJust )
81
import SrcLoc           ( SrcSpan )
Simon Marlow's avatar
Simon Marlow committed
82 83
import Outputable
import {-# SOURCE #-} ErrUtils ( Severity(..), Message, mkLocMessage )
84

Simon Marlow's avatar
Simon Marlow committed
85 86 87
import Data.IORef	( readIORef )
import Control.Exception ( throwDyn )
import Control.Monad	( when )
88
#ifdef mingw32_TARGET_OS
89
import Data.List	( isPrefixOf )
simonpj@microsoft.com's avatar
simonpj@microsoft.com committed
90 91
#else
import Util		( split )
92
#endif
simonpj@microsoft.com's avatar
simonpj@microsoft.com committed
93

94
import Data.Char	( isUpper )
95 96
import System.IO        ( hPutStrLn, stderr )

97 98 99 100 101 102 103
-- -----------------------------------------------------------------------------
-- DynFlags

data DynFlag

   -- debugging flags
   = Opt_D_dump_cmm
104
   | Opt_D_dump_cmmz
105
   | Opt_D_dump_cps_cmm
106
   | Opt_D_dump_cvt_cmm
107
   | Opt_D_dump_asm
108 109
   | Opt_D_dump_asm_native
   | Opt_D_dump_asm_liveness
110
   | Opt_D_dump_asm_coalesce
111 112 113
   | Opt_D_dump_asm_regalloc
   | Opt_D_dump_asm_regalloc_stages
   | Opt_D_dump_asm_conflicts
114
   | Opt_D_dump_asm_stats
115 116 117 118 119 120
   | Opt_D_dump_cpranal
   | Opt_D_dump_deriv
   | Opt_D_dump_ds
   | Opt_D_dump_flatC
   | Opt_D_dump_foreign
   | Opt_D_dump_inlinings
121
   | Opt_D_dump_rule_firings
122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
   | Opt_D_dump_occur_anal
   | Opt_D_dump_parsed
   | Opt_D_dump_rn
   | Opt_D_dump_simpl
   | Opt_D_dump_simpl_iterations
   | Opt_D_dump_spec
   | Opt_D_dump_prep
   | Opt_D_dump_stg
   | Opt_D_dump_stranal
   | Opt_D_dump_tc
   | Opt_D_dump_types
   | Opt_D_dump_rules
   | Opt_D_dump_cse
   | Opt_D_dump_worker_wrapper
   | Opt_D_dump_rn_trace
   | Opt_D_dump_rn_stats
   | Opt_D_dump_opt_cmm
   | Opt_D_dump_simpl_stats
   | Opt_D_dump_tc_trace
   | Opt_D_dump_if_trace
   | Opt_D_dump_splices
   | Opt_D_dump_BCOs
   | Opt_D_dump_vect
andy@galois.com's avatar
andy@galois.com committed
145
   | Opt_D_dump_hpc
146 147 148 149 150 151
   | Opt_D_source_stats
   | Opt_D_verbose_core2core
   | Opt_D_verbose_stg2stg
   | Opt_D_dump_hi
   | Opt_D_dump_hi_diffs
   | Opt_D_dump_minimal_imports
152
   | Opt_D_dump_mod_cycles
153
   | Opt_D_faststring_stats
154
   | Opt_DumpToFile			-- ^ Append dump output to files instead of stdout.
155 156 157 158
   | Opt_DoCoreLinting
   | Opt_DoStgLinting
   | Opt_DoCmmLinting

159
   | Opt_WarnIsError			-- -Werror; makes warnings fatal
160 161
   | Opt_WarnDuplicateExports
   | Opt_WarnHiShadows
162
   | Opt_WarnImplicitPrelude
163 164 165 166 167 168 169 170 171
   | Opt_WarnIncompletePatterns
   | Opt_WarnIncompletePatternsRecUpd
   | Opt_WarnMissingFields
   | Opt_WarnMissingMethods
   | Opt_WarnMissingSigs
   | Opt_WarnNameShadowing
   | Opt_WarnOverlappingPatterns
   | Opt_WarnSimplePatterns
   | Opt_WarnTypeDefaults
172
   | Opt_WarnMonomorphism
173 174 175 176 177 178
   | Opt_WarnUnusedBinds
   | Opt_WarnUnusedImports
   | Opt_WarnUnusedMatches
   | Opt_WarnDeprecations
   | Opt_WarnDodgyImports
   | Opt_WarnOrphans
179
   | Opt_WarnTabs
180 181

   -- language opts
182 183 184
   | Opt_OverlappingInstances
   | Opt_UndecidableInstances
   | Opt_IncoherentInstances
185
   | Opt_MonomorphismRestriction
186
   | Opt_MonoPatBinds
187
   | Opt_ExtendedDefaultRules		-- Use GHC's extended rules for defaulting
188
   | Opt_ForeignFunctionInterface
Ian Lynagh's avatar
Ian Lynagh committed
189
   | Opt_UnliftedFFITypes
190 191
   | Opt_PArr				-- Syntactic support for parallel arrays
   | Opt_Arrows				-- Arrow-notation syntax
192
   | Opt_TemplateHaskell
193 194 195 196
   | Opt_ImplicitParams
   | Opt_Generics
   | Opt_ImplicitPrelude 
   | Opt_ScopedTypeVariables
Ian Lynagh's avatar
Ian Lynagh committed
197
   | Opt_UnboxedTuples
simonpj@microsoft.com's avatar
simonpj@microsoft.com committed
198
   | Opt_BangPatterns
199
   | Opt_TypeFamilies
200
   | Opt_OverloadedStrings
201
   | Opt_DisambiguateRecordFields
202
   | Opt_RecordWildCards
203
   | Opt_RecordPuns
204
   | Opt_GADTs
205
   | Opt_RelaxedPolyRec
206
   | Opt_StandaloneDeriving
207
   | Opt_DeriveDataTypeable
208
   | Opt_TypeSynonymInstances
Ian Lynagh's avatar
Ian Lynagh committed
209
   | Opt_FlexibleContexts
210
   | Opt_FlexibleInstances
211
   | Opt_ConstrainedClassMethods
Ian Lynagh's avatar
Ian Lynagh committed
212
   | Opt_MultiParamTypeClasses
213
   | Opt_FunctionalDependencies
Ian Lynagh's avatar
Ian Lynagh committed
214
   | Opt_UnicodeSyntax
Ian Lynagh's avatar
Ian Lynagh committed
215
   | Opt_PolymorphicComponents
216
   | Opt_ExistentialQuantification
217
   | Opt_MagicHash
Ian Lynagh's avatar
Ian Lynagh committed
218
   | Opt_EmptyDataDecls
Ian Lynagh's avatar
Ian Lynagh committed
219
   | Opt_KindSignatures
Ian Lynagh's avatar
Ian Lynagh committed
220
   | Opt_PatternSignatures
Ian Lynagh's avatar
Ian Lynagh committed
221
   | Opt_ParallelListComp
222
   | Opt_GeneralizedNewtypeDeriving
Ian Lynagh's avatar
Ian Lynagh committed
223
   | Opt_RecursiveDo
Ian Lynagh's avatar
Ian Lynagh committed
224
   | Opt_PatternGuards
225
   | Opt_PartiallyAppliedClosedTypeSynonyms
226 227
   | Opt_Rank2Types
   | Opt_RankNTypes
Ian Lynagh's avatar
Ian Lynagh committed
228
   | Opt_TypeOperators
229

230 231
   | Opt_PrintExplicitForalls

232 233 234 235
   -- optimisation opts
   | Opt_Strictness
   | Opt_FullLaziness
   | Opt_CSE
236 237
   | Opt_LiberateCase
   | Opt_SpecConstr
238 239 240 241
   | Opt_IgnoreInterfacePragmas
   | Opt_OmitInterfacePragmas
   | Opt_DoLambdaEtaExpansion
   | Opt_IgnoreAsserts
242
   | Opt_IgnoreBreakpoints
243 244 245
   | Opt_DoEtaReduction
   | Opt_CaseMerge
   | Opt_UnboxStrictFields
246
   | Opt_DictsCheap
247
   | Opt_RewriteRules
rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
248
   | Opt_Vectorise
249 250
   | Opt_RegsGraph			-- do graph coloring register allocation
   | Opt_RegsIterative			-- do iterative coalescing graph coloring register allocation
251 252 253 254

   -- misc opts
   | Opt_Cpp
   | Opt_Pp
255
   | Opt_ForceRecomp
256 257 258 259 260 261 262
   | Opt_DryRun
   | Opt_DoAsmMangling
   | Opt_ExcessPrecision
   | Opt_ReadUserPackageConf
   | Opt_NoHsMain
   | Opt_SplitObjs
   | Opt_StgStats
263
   | Opt_HideAllPackages
264
   | Opt_PrintBindResult
265
   | Opt_Haddock
266
   | Opt_Hpc_No_Auto
267
   | Opt_BreakOnException
268
   | Opt_BreakOnError
269
   | Opt_PrintEvldWithShow
270 271
   | Opt_GenManifest
   | Opt_EmbedManifest
272 273
   | Opt_RunCPSZ
   | Opt_ConvertToZipCfgAndBack
274 275 276 277 278 279 280 281

   -- keeping stuff
   | Opt_KeepHiDiffs
   | Opt_KeepHcFiles
   | Opt_KeepSFiles
   | Opt_KeepRawSFiles
   | Opt_KeepTmpFiles

282
   deriving (Eq, Show)
283
 
284 285 286 287 288 289 290 291 292 293 294 295
data DynFlags = DynFlags {
  ghcMode		:: GhcMode,
  ghcLink		:: GhcLink,
  coreToDo   		:: Maybe [CoreToDo], -- reserved for -Ofile
  stgToDo    		:: Maybe [StgToDo],  -- similarly
  hscTarget    		:: HscTarget,
  hscOutName 		:: String,  	-- name of the output file
  extCoreName		:: String,	-- name of the .core output file
  verbosity  		:: Int,	 	-- verbosity level
  optLevel		:: Int,		-- optimisation level
  maxSimplIterations    :: Int,		-- max simplifier iterations
  ruleCheck		:: Maybe String,
296 297

  specThreshold		:: Int,		-- Threshold for function specialisation
298

299 300 301
  stolen_x86_regs	:: Int,		
  cmdlineHcIncludes	:: [String],	-- -#includes
  importPaths		:: [FilePath],
302
  mainModIs		:: Module,
303
  mainFunIs		:: Maybe String,
304 305
  ctxtStkDepth	        :: Int,		-- Typechecker context stack depth

Simon Marlow's avatar
Simon Marlow committed
306
  thisPackage		:: PackageId,
307 308 309 310 311 312 313

  -- ways
  wayNames		:: [WayName],	-- way flags from the cmd line
  buildTag		:: String,	-- the global "way" (eg. "p" for prof)
  rtsBuildTag		:: String,	-- the RTS "way"
  
  -- paths etc.
314 315 316 317
  objectDir		:: Maybe String,
  hiDir			:: Maybe String,
  stubDir		:: Maybe String,

318 319 320
  objectSuf		:: String,
  hcSuf			:: String,
  hiSuf			:: String,
321 322 323 324

  outputFile		:: Maybe String,
  outputHi		:: Maybe String,

325 326 327 328 329 330 331 332
  -- | This is set by DriverPipeline.runPipeline based on where
  --	its output is going.
  dumpPrefix		:: Maybe FilePath,

  -- | Override the dumpPrefix set by runPipeline.
  --	Set by -ddump-file-prefix
  dumpPrefixForce	:: Maybe FilePath,

333 334 335 336
  includePaths		:: [String],
  libraryPaths		:: [String],
  frameworkPaths	:: [String],  	-- used on darwin only
  cmdlineFrameworks	:: [String],	-- ditto
337
  tmpDir		:: String,	-- no trailing '/'
338
  
339 340 341
  ghcUsagePath          :: FilePath,    -- Filled in by SysTools
  ghciUsagePath         :: FilePath,    -- ditto

andy@galois.com's avatar
andy@galois.com committed
342 343
  hpcDir		:: String,	-- ^ path to store the .mix files

344 345 346 347 348 349 350 351 352
  -- options for particular phases
  opt_L			:: [String],
  opt_P			:: [String],
  opt_F			:: [String],
  opt_c			:: [String],
  opt_m			:: [String],
  opt_a			:: [String],
  opt_l			:: [String],
  opt_dep		:: [String],
353
  opt_windres		:: [String],
354 355 356 357 358 359 360 361 362 363 364

  -- commands for particular phases
  pgm_L			:: String,
  pgm_P			:: (String,[Option]),
  pgm_F			:: String,
  pgm_c			:: (String,[Option]),
  pgm_m			:: (String,[Option]),
  pgm_s			:: (String,[Option]),
  pgm_a			:: (String,[Option]),
  pgm_l			:: (String,[Option]),
  pgm_dll		:: (String,[Option]),
365 366
  pgm_T                 :: String,
  pgm_sysman            :: String,
367
  pgm_windres           :: String,
368

369
  --  Package flags
370
  extraPkgConfs		:: [FilePath],
371 372
  topDir                :: FilePath,    -- filled in by SysTools
  systemPackageConfig   :: FilePath,    -- ditto
373 374 375 376 377 378
	-- The -package-conf flags given on the command line, in the order
	-- they appeared.

  packageFlags		:: [PackageFlag],
	-- The -package and -hide-package flags from the command-line

379 380 381 382
  -- Package state
  -- NB. do not modify this field, it is calculated by 
  -- Packages.initPackages and Packages.updatePackages.
  pkgDatabase           :: Maybe (UniqFM InstalledPackageInfo),
383 384 385
  pkgState		:: PackageState,

  -- hsc dynamic flags
386 387 388 389
  flags      		:: [DynFlag],
  
  -- message output
  log_action            :: Severity -> SrcSpan -> PprStyle -> Message -> IO ()
390 391 392 393 394 395 396 397 398 399
 }

data HscTarget
  = HscC
  | HscAsm
  | HscJava
  | HscInterpreted
  | HscNothing
  deriving (Eq, Show)

400 401 402 403 404 405 406 407 408 409 410 411
-- | will this target result in an object file on the disk?
isObjectTarget :: HscTarget -> Bool
isObjectTarget HscC     = True
isObjectTarget HscAsm   = True
isObjectTarget _        = False

-- | The 'GhcMode' tells us whether we're doing multi-module
-- compilation (controlled via the "GHC" API) or one-shot
-- (single-module) compilation.  This makes a difference primarily to
-- the "Finder": in one-shot mode we look for interface files for
-- imported modules, but in multi-module mode we look for source files
-- in order to check whether they need to be recompiled.
412
data GhcMode
413 414 415
  = CompManager         -- ^ --make, GHCi, etc.
  | OneShot		-- ^ ghc -c Foo.hs
  | MkDepend            -- ^ ghc -M, see Finder for why we need this
416 417 418 419 420 421
  deriving Eq

isOneShot :: GhcMode -> Bool
isOneShot OneShot = True
isOneShot _other  = False

422
-- | What kind of linking to do.
423
data GhcLink	-- What to do in the link step, if there is one
424 425 426
  = NoLink		-- Don't link at all
  | LinkBinary		-- Link object code into a binary
  | LinkInMemory        -- Use the in-memory dynamic linker
427
  | LinkDynLib		-- Link objects into a dynamic lib (DLL on Windows, DSO on ELF platforms)
428
  deriving Eq
429 430 431 432 433 434 435 436 437

isNoLink :: GhcLink -> Bool
isNoLink NoLink = True
isNoLink other  = False

data PackageFlag
  = ExposePackage  String
  | HidePackage    String
  | IgnorePackage  String
438
  deriving Eq
439

440 441 442 443 444
defaultHscTarget = defaultObjectTarget

-- | the 'HscTarget' value corresponding to the default way to create
-- object files on the current platform.
defaultObjectTarget
445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460
  | cGhcWithNativeCodeGen == "YES" 	=  HscAsm
  | otherwise				=  HscC

initDynFlags dflags = do
 -- someday these will be dynamic flags
 ways <- readIORef v_Ways
 build_tag <- readIORef v_Build_tag
 rts_build_tag <- readIORef v_RTS_Build_tag
 return dflags{
	wayNames	= ways,
	buildTag	= build_tag,
	rtsBuildTag	= rts_build_tag
	}

defaultDynFlags =
     DynFlags {
461 462
	ghcMode			= CompManager,
	ghcLink			= LinkBinary,
463 464 465 466 467 468 469 470 471
	coreToDo 		= Nothing,
	stgToDo			= Nothing, 
	hscTarget		= defaultHscTarget, 
	hscOutName		= "", 
	extCoreName		= "",
	verbosity		= 0, 
	optLevel		= 0,
	maxSimplIterations	= 4,
	ruleCheck		= Nothing,
472
	specThreshold		= 200,
473 474 475
	stolen_x86_regs		= 4,
	cmdlineHcIncludes	= [],
	importPaths		= ["."],
476
	mainModIs		= mAIN,
477
	mainFunIs		= Nothing,
478 479
	ctxtStkDepth		= mAX_CONTEXT_REDUCTION_DEPTH,

Simon Marlow's avatar
Simon Marlow committed
480
	thisPackage		= mainPackageId,
481

482 483 484 485
	objectDir		= Nothing,
	hiDir			= Nothing,
	stubDir			= Nothing,

486 487 488
	objectSuf		= phaseInputExt StopLn,
	hcSuf			= phaseInputExt HCc,
	hiSuf			= "hi",
489 490 491

	outputFile		= Nothing,
	outputHi		= Nothing,
492 493
	dumpPrefix		= Nothing,
	dumpPrefixForce		= Nothing,
494 495 496 497
	includePaths		= [],
	libraryPaths		= [],
	frameworkPaths		= [],
	cmdlineFrameworks	= [],
498
	tmpDir			= cDEFAULT_TMPDIR,
499
	
andy@galois.com's avatar
andy@galois.com committed
500 501
        hpcDir		        = ".hpc",

502
	opt_L			= [],
503 504 505
	opt_P			= (if opt_PIC
				   then ["-D__PIC__"]
				   else []),
506 507 508 509 510 511
	opt_F			= [],
	opt_c			= [],
	opt_a			= [],
	opt_m			= [],
	opt_l			= [],
	opt_dep			= [],
512
        opt_windres             = [],
513 514 515
	
	extraPkgConfs		= [],
	packageFlags		= [],
516 517
        pkgDatabase             = Nothing,
        pkgState                = panic "no package state yet: call GHC.setSessionDynFlags",
518 519 520
	flags = [ 
    	    Opt_ReadUserPackageConf,
    
521 522 523 524
	    Opt_MonoPatBinds, 	-- Experimentally, I'm making this non-standard
				-- behaviour the default, to see if anyone notices
				-- SLPJ July 06

525 526
    	    Opt_ImplicitPrelude,
    	    Opt_MonomorphismRestriction,
527

528 529
    	    Opt_DoAsmMangling,
    
530 531 532
            Opt_GenManifest,
            Opt_EmbedManifest,

533
	    -- on by default:
534 535 536 537
	    Opt_PrintBindResult ]
	    ++ [f | (ns,f) <- optLevelFlags, 0 `elem` ns]
	    	    -- The default -O0 options
	    ++ standardWarnings,
538 539 540 541 542 543
               
        log_action = \severity srcSpan style msg -> 
                        case severity of
                          SevInfo  -> hPutStrLn stderr (show (msg style))
                          SevFatal -> hPutStrLn stderr (show (msg style))
                          _        -> hPutStrLn stderr ('\n':show ((mkLocMessage srcSpan msg) style))
544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574
      }

{- 
    Verbosity levels:
	
    0	|   print errors & warnings only
    1   |   minimal verbosity: print "compiling M ... done." for each module.
    2   |   equivalent to -dshow-passes
    3   |   equivalent to existing "ghc -v"
    4   |   "ghc -v -ddump-most"
    5   |   "ghc -v -ddump-all"
-}

dopt :: DynFlag -> DynFlags -> Bool
dopt f dflags  = f `elem` (flags dflags)

dopt_set :: DynFlags -> DynFlag -> DynFlags
dopt_set dfs f = dfs{ flags = f : flags dfs }

dopt_unset :: DynFlags -> DynFlag -> DynFlags
dopt_unset dfs f = dfs{ flags = filter (/= f) (flags dfs) }

getOpts :: DynFlags -> (DynFlags -> [a]) -> [a]
getOpts dflags opts = reverse (opts dflags)
	-- We add to the options from the front, so we need to reverse the list

getVerbFlag :: DynFlags -> String
getVerbFlag dflags 
  | verbosity dflags >= 3  = "-v" 
  | otherwise =  ""

575 576 577 578
setObjectDir  f d = d{ objectDir  = f}
setHiDir      f d = d{ hiDir      = f}
setStubDir    f d = d{ stubDir    = f}

579 580
setObjectSuf  f d = d{ objectSuf  = f}
setHiSuf      f d = d{ hiSuf      = f}
581 582 583 584
setHcSuf      f d = d{ hcSuf      = f}

setOutputFile f d = d{ outputFile = f}
setOutputHi   f d = d{ outputHi   = f}
585

586 587
setDumpPrefixForce f d = d { dumpPrefixForce = f}

588 589 590 591 592 593 594 595 596 597 598 599
-- XXX HACK: Prelude> words "'does not' work" ===> ["'does","not'","work"]
-- Config.hs should really use Option.
setPgmP   f d = let (pgm:args) = words f in d{ pgm_P   = (pgm, map Option args)}

setPgmL   f d = d{ pgm_L   = f}
setPgmF   f d = d{ pgm_F   = f}
setPgmc   f d = d{ pgm_c   = (f,[])}
setPgmm   f d = d{ pgm_m   = (f,[])}
setPgms   f d = d{ pgm_s   = (f,[])}
setPgma   f d = d{ pgm_a   = (f,[])}
setPgml   f d = d{ pgm_l   = (f,[])}
setPgmdll f d = d{ pgm_dll = (f,[])}
600
setPgmwindres f d = d{ pgm_windres = f}
601 602 603 604 605 606 607 608 609

addOptL   f d = d{ opt_L   = f : opt_L d}
addOptP   f d = d{ opt_P   = f : opt_P d}
addOptF   f d = d{ opt_F   = f : opt_F d}
addOptc   f d = d{ opt_c   = f : opt_c d}
addOptm   f d = d{ opt_m   = f : opt_m d}
addOpta   f d = d{ opt_a   = f : opt_a d}
addOptl   f d = d{ opt_l   = f : opt_l d}
addOptdep f d = d{ opt_dep = f : opt_dep d}
610
addOptwindres f d = d{ opt_windres = f : opt_windres d}
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636

addCmdlineFramework f d = d{ cmdlineFrameworks = f : cmdlineFrameworks d}

-- -----------------------------------------------------------------------------
-- Command-line options

-- When invoking external tools as part of the compilation pipeline, we
-- pass these a sequence of options on the command-line. Rather than
-- just using a list of Strings, we use a type that allows us to distinguish
-- between filepaths and 'other stuff'. [The reason being, of course, that
-- this type gives us a handle on transforming filenames, and filenames only,
-- to whatever format they're expected to be on a particular platform.]

data Option
 = FileOption -- an entry that _contains_ filename(s) / filepaths.
              String  -- a non-filepath prefix that shouldn't be 
		      -- transformed (e.g., "/out=")
 	      String  -- the filepath/filename portion
 | Option     String
 
-----------------------------------------------------------------------------
-- Setting the optimisation level

updOptLevel :: Int -> DynFlags -> DynFlags
-- Set dynflags appropriate to the optimisation level
updOptLevel n dfs
637
  = dfs2{ optLevel = final_n }
638
  where
639
   final_n = max 0 (min 2 n)	-- Clamp to 0 <= n <= 2
640 641 642
   dfs1 = foldr (flip dopt_unset) dfs  remove_dopts
   dfs2 = foldr (flip dopt_set)   dfs1 extra_dopts

643 644
   extra_dopts  = [ f | (ns,f) <- optLevelFlags, final_n `elem` ns ]
   remove_dopts = [ f | (ns,f) <- optLevelFlags, final_n `notElem` ns ]
645
	
646 647 648 649
optLevelFlags :: [([Int], DynFlag)]
optLevelFlags
  = [ ([0],	Opt_IgnoreInterfacePragmas)
    , ([0],     Opt_OmitInterfacePragmas)
650

651
    , ([1,2],	Opt_IgnoreAsserts)
652 653
    , ([1,2],	Opt_RewriteRules)	-- Off for -O0; see Note [Scoping for Builtin rules]
					-- 		in PrelRules
654 655 656 657 658
    , ([1,2],	Opt_DoEtaReduction)
    , ([1,2],	Opt_CaseMerge)
    , ([1,2],	Opt_Strictness)
    , ([1,2],	Opt_CSE)
    , ([1,2],	Opt_FullLaziness)
659

660 661 662 663 664 665 666 667
    , ([2],	Opt_LiberateCase)
    , ([2],	Opt_SpecConstr)

    , ([0,1,2], Opt_DoLambdaEtaExpansion)
		-- This one is important for a tiresome reason:
		-- we want to make sure that the bindings for data 
		-- constructors are eta-expanded.  This is probably
		-- a good thing anyway, but it seems fragile.
668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698
    ]

-- -----------------------------------------------------------------------------
-- Standard sets of warning options

standardWarnings
    = [ Opt_WarnDeprecations,
	Opt_WarnOverlappingPatterns,
	Opt_WarnMissingFields,
	Opt_WarnMissingMethods,
	Opt_WarnDuplicateExports
      ]

minusWOpts
    = standardWarnings ++ 
      [	Opt_WarnUnusedBinds,
	Opt_WarnUnusedMatches,
	Opt_WarnUnusedImports,
	Opt_WarnIncompletePatterns,
	Opt_WarnDodgyImports
      ]

minusWallOpts
    = minusWOpts ++
      [	Opt_WarnTypeDefaults,
	Opt_WarnNameShadowing,
	Opt_WarnMissingSigs,
	Opt_WarnHiShadows,
	Opt_WarnOrphans
      ]

699 700 701 702 703 704 705 706 707 708
-- minuswRemovesOpts should be every warning option
minuswRemovesOpts
    = minusWallOpts ++
      [Opt_WarnImplicitPrelude,
       Opt_WarnIncompletePatternsRecUpd,
       Opt_WarnSimplePatterns,
       Opt_WarnMonomorphism,
       Opt_WarnTabs
      ]

709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734
-- -----------------------------------------------------------------------------
-- CoreToDo:  abstraction of core-to-core passes to run.

data CoreToDo		-- These are diff core-to-core passes,
			-- which may be invoked in any order,
  			-- as many times as you like.

  = CoreDoSimplify	-- The core-to-core simplifier.
	SimplifierMode
	[SimplifierSwitch]
			-- Each run of the simplifier can take a different
			-- set of simplifier-specific flags.
  | CoreDoFloatInwards
  | CoreDoFloatOutwards FloatOutSwitches
  | CoreLiberateCase
  | CoreDoPrintCore
  | CoreDoStaticArgs
  | CoreDoStrictness
  | CoreDoWorkerWrapper
  | CoreDoSpecialising
  | CoreDoSpecConstr
  | CoreDoOldStrictness
  | CoreDoGlomBinds
  | CoreCSE
  | CoreDoRuleCheck Int{-CompilerPhase-} String	-- Check for non-application of rules 
						-- matching this string
735
  | CoreDoVectorisation
736 737
  | CoreDoNothing 		 -- Useful when building up 
  | CoreDoPasses [CoreToDo] 	 -- lists of these things
738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753

data SimplifierMode 		-- See comments in SimplMonad
  = SimplGently
  | SimplPhase Int

data SimplifierSwitch
  = MaxSimplifierIterations Int
  | NoCaseOfCase

data FloatOutSwitches
  = FloatOutSw  Bool 	-- True <=> float lambdas to top level
		Bool	-- True <=> float constants to top level,
			-- 	    even if they do not escape a lambda


-- The core-to-core pass ordering is derived from the DynFlags:
754 755 756
runWhen :: Bool -> CoreToDo -> CoreToDo
runWhen True  do_this = do_this
runWhen False do_this = CoreDoNothing
757 758 759 760 761 762 763 764 765 766 767

getCoreToDo :: DynFlags -> [CoreToDo]
getCoreToDo dflags
  | Just todo <- coreToDo dflags = todo -- set explicitly by user
  | otherwise = core_todo
  where
    opt_level  	  = optLevel dflags
    max_iter   	  = maxSimplIterations dflags
    strictness    = dopt Opt_Strictness dflags
    full_laziness = dopt Opt_FullLaziness dflags
    cse           = dopt Opt_CSE dflags
768 769
    spec_constr   = dopt Opt_SpecConstr dflags
    liberate_case = dopt Opt_LiberateCase dflags
770
    rule_check    = ruleCheck dflags
771
    vectorisation = dopt Opt_Vectorise dflags
772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793

    core_todo = 
     if opt_level == 0 then
      [
	CoreDoSimplify (SimplPhase 0) [
	    MaxSimplifierIterations max_iter
	]
      ]
     else {- opt_level >= 1 -} [ 

	-- initial simplify: mk specialiser happy: minimum effort please
	CoreDoSimplify SimplGently [
			-- 	Simplify "gently"
			-- Don't inline anything till full laziness has bitten
			-- In particular, inlining wrappers inhibits floating
			-- e.g. ...(case f x of ...)...
			--  ==> ...(case (case x of I# x# -> fw x#) of ...)...
			--  ==> ...(case x of I# x# -> case fw x# of ...)...
			-- and now the redex (f x) isn't floatable any more
			-- Similarly, don't apply any rules until after full 
			-- laziness.  Notably, list fusion can prevent floating.

simonpj@microsoft.com's avatar
simonpj@microsoft.com committed
794 795
            NoCaseOfCase,	-- Don't do case-of-case transformations.
				-- This makes full laziness work better
796 797 798
	    MaxSimplifierIterations max_iter
	],

799 800 801 802 803 804 805 806 807

        -- We run vectorisation here for now, but we might also try to run
        -- it later
        runWhen vectorisation (CoreDoPasses [
                  CoreDoVectorisation,
                  CoreDoSimplify SimplGently
                                  [NoCaseOfCase,
                                   MaxSimplifierIterations max_iter]]),

808 809 810 811
	-- Specialisation is best done before full laziness
	-- so that overloaded functions have all their dictionary lambdas manifest
	CoreDoSpecialising,

812
	runWhen full_laziness (CoreDoFloatOutwards (FloatOutSw False False)),
813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850

	CoreDoFloatInwards,

	CoreDoSimplify (SimplPhase 2) [
		-- Want to run with inline phase 2 after the specialiser to give
		-- maximum chance for fusion to work before we inline build/augment
		-- in phase 1.  This made a difference in 'ansi' where an 
		-- overloaded function wasn't inlined till too late.
	   MaxSimplifierIterations max_iter
	],
	case rule_check of { Just pat -> CoreDoRuleCheck 2 pat; Nothing -> CoreDoNothing },

	CoreDoSimplify (SimplPhase 1) [
		-- Need inline-phase2 here so that build/augment get 
		-- inlined.  I found that spectral/hartel/genfft lost some useful
		-- strictness in the function sumcode' if augment is not inlined
		-- before strictness analysis runs
	   MaxSimplifierIterations max_iter
	],
	case rule_check of { Just pat -> CoreDoRuleCheck 1 pat; Nothing -> CoreDoNothing },

	CoreDoSimplify (SimplPhase 0) [
		-- Phase 0: allow all Ids to be inlined now
		-- This gets foldr inlined before strictness analysis

	   MaxSimplifierIterations 3
		-- At least 3 iterations because otherwise we land up with
		-- huge dead expressions because of an infelicity in the 
		-- simpifier.   
		--	let k = BIG in foldr k z xs
		-- ==>  let k = BIG in letrec go = \xs -> ...(k x).... in go xs
		-- ==>  let k = BIG in letrec go = \xs -> ...(BIG x).... in go xs
		-- Don't stop now!

	],
	case rule_check of { Just pat -> CoreDoRuleCheck 0 pat; Nothing -> CoreDoNothing },

#ifdef OLD_STRICTNESS
851
	CoreDoOldStrictness,
852
#endif
853 854 855 856 857 858 859 860 861 862 863
	runWhen strictness (CoreDoPasses [
		CoreDoStrictness,
		CoreDoWorkerWrapper,
		CoreDoGlomBinds,
		CoreDoSimplify (SimplPhase 0) [
		   MaxSimplifierIterations max_iter
		]]),

	runWhen full_laziness 
	  (CoreDoFloatOutwards (FloatOutSw False    -- Not lambdas
					   True)),  -- Float constants
864 865 866 867 868 869 870
		-- nofib/spectral/hartel/wang doubles in speed if you
		-- do full laziness late in the day.  It only happens
		-- after fusion and other stuff, so the early pass doesn't
		-- catch it.  For the record, the redex is 
		--	  f_el22 (f_el21 r_midblock)


871 872 873 874
	runWhen cse CoreCSE,
		-- We want CSE to follow the final full-laziness pass, because it may
		-- succeed in commoning up things floated out by full laziness.
		-- CSE used to rely on the no-shadowing invariant, but it doesn't any more
875 876 877

	CoreDoFloatInwards,

878
	case rule_check of { Just pat -> CoreDoRuleCheck 0 pat; Nothing -> CoreDoNothing },
879

880 881 882 883 884
		-- Case-liberation for -O2.  This should be after
		-- strictness analysis and the simplification which follows it.
	runWhen liberate_case (CoreDoPasses [
	    CoreLiberateCase,
	    CoreDoSimplify (SimplPhase 0) [
885
		  MaxSimplifierIterations max_iter
886
	    ] ]),	-- Run the simplifier after LiberateCase to vastly 
887 888 889
			-- reduce the possiblility of shadowing
			-- Reason: see Note [Shadowing] in SpecConstr.lhs

890
	runWhen spec_constr CoreDoSpecConstr,
891 892

	-- Final clean-up simplification:
893
     	CoreDoSimplify (SimplPhase 0) [
894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923
	  MaxSimplifierIterations max_iter
	]
     ]

-- -----------------------------------------------------------------------------
-- StgToDo:  abstraction of stg-to-stg passes to run.

data StgToDo
  = StgDoMassageForProfiling  -- should be (next to) last
  -- There's also setStgVarInfo, but its absolute "lastness"
  -- is so critical that it is hardwired in (no flag).
  | D_stg_stats

getStgToDo :: DynFlags -> [StgToDo]
getStgToDo dflags
  | Just todo <- stgToDo dflags = todo -- set explicitly by user
  | otherwise = todo2
  where
	stg_stats = dopt Opt_StgStats dflags

	todo1 = if stg_stats then [D_stg_stats] else []

	todo2 | WayProf `elem` wayNames dflags
	      = StgDoMassageForProfiling : todo1
	      | otherwise
	      = todo1

-- -----------------------------------------------------------------------------
-- DynFlags parser

924 925 926 927 928 929 930 931 932
allFlags :: [String]
allFlags = map ('-':) $
           [ name | (name, optkind) <- dynamic_flags, ok optkind ] ++
           map ("fno-"++) flags ++
           map ("f"++) flags
    where ok (PrefixPred _ _) = False
          ok _ = True
          flags = map fst fFlags

933 934 935 936 937 938
dynamic_flags :: [(String, OptKind DynP)]
dynamic_flags = [
     ( "n"              , NoArg  (setDynFlag Opt_DryRun) )
  ,  ( "cpp"		, NoArg  (setDynFlag Opt_Cpp))
  ,  ( "F"		, NoArg  (setDynFlag Opt_Pp))
  ,  ( "#include"	, HasArg (addCmdlineHCInclude) )
939
  ,  ( "v"		, OptIntSuffix setVerbosity )
940

941 942 943 944 945 946 947 948 949 950
        ------- Specific phases  --------------------------------------------
  ,  ( "pgmL"           , HasArg (upd . setPgmL) )  
  ,  ( "pgmP"           , HasArg (upd . setPgmP) )  
  ,  ( "pgmF"           , HasArg (upd . setPgmF) )  
  ,  ( "pgmc"           , HasArg (upd . setPgmc) )  
  ,  ( "pgmm"           , HasArg (upd . setPgmm) )  
  ,  ( "pgms"           , HasArg (upd . setPgms) )  
  ,  ( "pgma"           , HasArg (upd . setPgma) )  
  ,  ( "pgml"           , HasArg (upd . setPgml) )  
  ,  ( "pgmdll"		, HasArg (upd . setPgmdll) )
951
  ,  ( "pgmwindres"     , HasArg (upd . setPgmwindres) )
952 953 954 955

  ,  ( "optL"		, HasArg (upd . addOptL) )  
  ,  ( "optP"		, HasArg (upd . addOptP) )  
  ,  ( "optF"           , HasArg (upd . addOptF) )  
956
  ,  ( "optc"		, HasArg (upd . addOptc) )  
957 958 959 960
  ,  ( "optm"		, HasArg (upd . addOptm) )  
  ,  ( "opta"		, HasArg (upd . addOpta) )  
  ,  ( "optl"		, HasArg (upd . addOptl) )  
  ,  ( "optdep"		, HasArg (upd . addOptdep) )
961
  ,  ( "optwindres"     , HasArg (upd . addOptwindres) )
962

963 964 965 966
  ,  ( "split-objs"	, NoArg (if can_split
				    then setDynFlag Opt_SplitObjs
				    else return ()) )

967 968 969
	-------- Linking ----------------------------------------------------
  ,  ( "c"		, NoArg (upd $ \d -> d{ ghcLink=NoLink } ))
  ,  ( "no-link"	, NoArg (upd $ \d -> d{ ghcLink=NoLink } )) -- Dep.
970
  ,  ( "shared"		, NoArg (upd $ \d -> d{ ghcLink=LinkDynLib } ))
971 972 973

	------- Libraries ---------------------------------------------------
  ,  ( "L"		, Prefix addLibraryPath )
974
  ,  ( "l"		, AnySuffix (\s -> do upd (addOptl s)))
975 976 977 978 979 980 981

	------- Frameworks --------------------------------------------------
        -- -framework-path should really be -F ...
  ,  ( "framework-path" , HasArg addFrameworkPath )
  ,  ( "framework"	, HasArg (upd . addCmdlineFramework) )

	------- Output Redirection ------------------------------------------
982
  ,  ( "odir"		, HasArg (upd . setObjectDir  . Just))
983 984 985 986 987 988 989
  ,  ( "o"		, SepArg (upd . setOutputFile . Just))
  ,  ( "ohi"		, HasArg (upd . setOutputHi   . Just ))
  ,  ( "osuf"		, HasArg (upd . setObjectSuf))
  ,  ( "hcsuf"		, HasArg (upd . setHcSuf))
  ,  ( "hisuf"		, HasArg (upd . setHiSuf))
  ,  ( "hidir"		, HasArg (upd . setHiDir . Just))
  ,  ( "tmpdir"		, HasArg (upd . setTmpDir))
990
  ,  ( "stubdir"	, HasArg (upd . setStubDir . Just))
991
  ,  ( "ddump-file-prefix", HasArg (upd . setDumpPrefixForce . Just))
992 993

	------- Keeping temporary files -------------------------------------
Ian Lynagh's avatar
Ian Lynagh committed
994 995 996 997 998 999 1000 1001 1002
     -- These can be singular (think ghc -c) or plural (think ghc --make)
  ,  ( "keep-hc-file"    , NoArg (setDynFlag Opt_KeepHcFiles))
  ,  ( "keep-hc-files"   , NoArg (setDynFlag Opt_KeepHcFiles))
  ,  ( "keep-s-file"     , NoArg (setDynFlag Opt_KeepSFiles))
  ,  ( "keep-s-files"    , NoArg (setDynFlag Opt_KeepSFiles))
  ,  ( "keep-raw-s-file" , NoArg (setDynFlag Opt_KeepRawSFiles))
  ,  ( "keep-raw-s-files", NoArg (setDynFlag Opt_KeepRawSFiles))
     -- This only makes sense as plural
  ,  ( "keep-tmp-files"  , NoArg (setDynFlag Opt_KeepTmpFiles))
1003 1004 1005 1006

	------- Miscellaneous ----------------------------------------------
  ,  ( "no-hs-main"     , NoArg (setDynFlag Opt_NoHsMain))
  ,  ( "main-is"   	, SepArg setMainIs )
1007
  ,  ( "haddock"	, NoArg (setDynFlag Opt_Haddock) )
andy@galois.com's avatar
andy@galois.com committed
1008
  ,  ( "hpcdir"		, SepArg setOptHpcDir )
1009

1010 1011 1012
	------- recompilation checker (DEPRECATED, use -fforce-recomp) -----
  ,  ( "recomp"		, NoArg (unSetDynFlag Opt_ForceRecomp) )
  ,  ( "no-recomp"  	, NoArg (setDynFlag   Opt_ForceRecomp) )
1013 1014 1015 1016

        ------- Packages ----------------------------------------------------
  ,  ( "package-conf"   , HasArg extraPkgConf_ )
  ,  ( "no-user-package-conf", NoArg (unSetDynFlag Opt_ReadUserPackageConf) )
1017
  ,  ( "package-name"   , HasArg (upd . setPackageName) )
1018 1019
  ,  ( "package"        , HasArg exposePackage )
  ,  ( "hide-package"   , HasArg hidePackage )
1020
  ,  ( "hide-all-packages", NoArg (setDynFlag Opt_HideAllPackages) )
1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035
  ,  ( "ignore-package" , HasArg ignorePackage )
  ,  ( "syslib"         , HasArg exposePackage )  -- for compatibility

	------ HsCpp opts ---------------------------------------------------
  ,  ( "D",		AnySuffix (upd . addOptP) )
  ,  ( "U",		AnySuffix (upd . addOptP) )

	------- Include/Import Paths ----------------------------------------
  ,  ( "I" 		, Prefix    addIncludePath)
  ,  ( "i"		, OptPrefix addImportPath )

	------ Debugging ----------------------------------------------------
  ,  ( "dstg-stats",	NoArg (setDynFlag Opt_StgStats))

  ,  ( "ddump-cmm",         	 setDumpFlag Opt_D_dump_cmm)
1036
  ,  ( "ddump-cmmz",         	 setDumpFlag Opt_D_dump_cmmz)
1037
  ,  ( "ddump-cps-cmm",        	 setDumpFlag Opt_D_dump_cps_cmm)
1038
  ,  ( "ddump-cvt-cmm",        	 setDumpFlag Opt_D_dump_cvt_cmm)
1039
  ,  ( "ddump-asm",          	 setDumpFlag Opt_D_dump_asm)
1040 1041
  ,  ( "ddump-asm-native",       setDumpFlag Opt_D_dump_asm_native)
  ,  ( "ddump-asm-liveness",     setDumpFlag Opt_D_dump_asm_liveness)
1042
  ,  ( "ddump-asm-coalesce",     setDumpFlag Opt_D_dump_asm_coalesce)
1043
  ,  ( "ddump-asm-regalloc",     setDumpFlag Opt_D_dump_asm_regalloc)
1044
  ,  ( "ddump-asm-conflicts",    setDumpFlag Opt_D_dump_asm_conflicts)
1045 1046
  ,  ( "ddump-asm-regalloc-stages",
                                 setDumpFlag Opt_D_dump_asm_regalloc_stages)
1047
  ,  ( "ddump-asm-stats",        setDumpFlag Opt_D_dump_asm_stats)
1048 1049 1050 1051 1052 1053
  ,  ( "ddump-cpranal",      	 setDumpFlag Opt_D_dump_cpranal)
  ,  ( "ddump-deriv",        	 setDumpFlag Opt_D_dump_deriv)
  ,  ( "ddump-ds",           	 setDumpFlag Opt_D_dump_ds)
  ,  ( "ddump-flatC",        	 setDumpFlag Opt_D_dump_flatC)
  ,  ( "ddump-foreign",      	 setDumpFlag Opt_D_dump_foreign)
  ,  ( "ddump-inlinings",    	 setDumpFlag Opt_D_dump_inlinings)
1054
  ,  ( "ddump-rule-firings",   	 setDumpFlag Opt_D_dump_rule_firings)
1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068
  ,  ( "ddump-occur-anal",   	 setDumpFlag Opt_D_dump_occur_anal)
  ,  ( "ddump-parsed",       	 setDumpFlag Opt_D_dump_parsed)
  ,  ( "ddump-rn",           	 setDumpFlag Opt_D_dump_rn)
  ,  ( "ddump-simpl",        	 setDumpFlag Opt_D_dump_simpl)
  ,  ( "ddump-simpl-iterations", setDumpFlag Opt_D_dump_simpl_iterations)
  ,  ( "ddump-spec",         	 setDumpFlag Opt_D_dump_spec)
  ,  ( "ddump-prep",          	 setDumpFlag Opt_D_dump_prep)
  ,  ( "ddump-stg",          	 setDumpFlag Opt_D_dump_stg)
  ,  ( "ddump-stranal",      	 setDumpFlag Opt_D_dump_stranal)
  ,  ( "ddump-tc",           	 setDumpFlag Opt_D_dump_tc)
  ,  ( "ddump-types",        	 setDumpFlag Opt_D_dump_types)
  ,  ( "ddump-rules",        	 setDumpFlag Opt_D_dump_rules)
  ,  ( "ddump-cse",          	 setDumpFlag Opt_D_dump_cse)
  ,  ( "ddump-worker-wrapper",   setDumpFlag Opt_D_dump_worker_wrapper)
1069 1070
  ,  ( "ddump-rn-trace",         setDumpFlag Opt_D_dump_rn_trace)
  ,  ( "ddump-if-trace",         setDumpFlag Opt_D_dump_if_trace)
1071 1072
  ,  ( "ddump-tc-trace",         setDumpFlag Opt_D_dump_tc_trace)
  ,  ( "ddump-splices",          setDumpFlag Opt_D_dump_splices)
1073
  ,  ( "ddump-rn-stats",         setDumpFlag Opt_D_dump_rn_stats)
1074 1075 1076 1077 1078 1079 1080
  ,  ( "ddump-opt-cmm",          setDumpFlag Opt_D_dump_opt_cmm)
  ,  ( "ddump-simpl-stats",      setDumpFlag Opt_D_dump_simpl_stats)
  ,  ( "ddump-bcos",             setDumpFlag Opt_D_dump_BCOs)
  ,  ( "dsource-stats",          setDumpFlag Opt_D_source_stats)
  ,  ( "dverbose-core2core",     setDumpFlag Opt_D_verbose_core2core)
  ,  ( "dverbose-stg2stg",       setDumpFlag Opt_D_verbose_stg2stg)
  ,  ( "ddump-hi",               setDumpFlag Opt_D_dump_hi)
1081
  ,  ( "ddump-minimal-imports",  setDumpFlag Opt_D_dump_minimal_imports)
1082
  ,  ( "ddump-vect",         	 setDumpFlag Opt_D_dump_vect)
andy@galois.com's avatar
andy@galois.com committed
1083
  ,  ( "ddump-hpc",         	 setDumpFlag Opt_D_dump_hpc)
1084
  ,  ( "ddump-mod-cycles",     	 setDumpFlag Opt_D_dump_mod_cycles)
1085
  ,  ( "ddump-to-file",          setDumpFlag Opt_DumpToFile)
1086
  ,  ( "ddump-hi-diffs",         NoArg (setDynFlag Opt_D_dump_hi_diffs))
1087 1088 1089
  ,  ( "dcore-lint",       	 NoArg (setDynFlag Opt_DoCoreLinting))
  ,  ( "dstg-lint",        	 NoArg (setDynFlag Opt_DoStgLinting))
  ,  ( "dcmm-lint",		 NoArg (setDynFlag Opt_DoCmmLinting))
1090
  ,  ( "dshow-passes",           NoArg (do setDynFlag Opt_ForceRecomp
1091
				           setVerbosity (Just 2)) )
1092
  ,  ( "dfaststring-stats",	 NoArg (setDynFlag Opt_D_faststring_stats))
1093 1094 1095