-----------------------------------------------------------------------------
--- $Id: DriverState.hs,v 1.57 2001/09/14 15:51:42 simonpj Exp $
+-- $Id: DriverState.hs,v 1.65 2001/12/15 12:03:08 panne Exp $
--
-- Settings for the driver
--
GLOBAL_VAR(v_GhcMode, error "mode not set", GhcMode)
+isCompManagerMode DoMake = True
+isCompManagerMode DoInteractive = True
+isCompManagerMode _ = False
+
-----------------------------------------------------------------------------
-- Global compilation flags
]
{-# NOINLINE v_Hs_source_cpp_opts #-}
+
-- Keep output from intermediate phases
GLOBAL_VAR(v_Keep_hi_diffs, False, Bool)
GLOBAL_VAR(v_Keep_hc_files, False, Bool)
GLOBAL_VAR(v_Keep_s_files, False, Bool)
GLOBAL_VAR(v_Keep_raw_s_files, False, Bool)
GLOBAL_VAR(v_Keep_tmp_files, False, Bool)
+#ifdef ILX
+GLOBAL_VAR(v_Keep_il_files, False, Bool)
+GLOBAL_VAR(v_Keep_ilx_files, False, Bool)
+#endif
-- Misc
GLOBAL_VAR(v_Scale_sizes_by, 1.0, Double)
GLOBAL_VAR(v_Excess_precision, False, Bool)
GLOBAL_VAR(v_Read_DotGHCi, True, Bool)
+-- Preprocessor flags
+GLOBAL_VAR(v_Hs_source_pp_opts, [], [String])
+
-----------------------------------------------------------------------------
-- Splitting object files (for libraries)
GLOBAL_VAR(v_StgStats, False, Bool)
GLOBAL_VAR(v_UsageSPInf, False, Bool) -- Off by default
GLOBAL_VAR(v_Strictness, True, Bool)
+#ifdef DEBUG
GLOBAL_VAR(v_CPR, True, Bool)
+#endif
GLOBAL_VAR(v_CSE, True, Bool)
GLOBAL_VAR(v_RuleCheck, Nothing, Maybe String)
max_iter <- readIORef v_MaxSimplifierIterations
usageSP <- readIORef v_UsageSPInf
strictness <- readIORef v_Strictness
+#ifdef DEBUG
cpr <- readIORef v_CPR
+#endif
cse <- readIORef v_CSE
rule_check <- readIORef v_RuleCheck
if opt_level == 0 then return
[
- CoreDoSimplify (isAmongSimpl [
+ CoreDoSimplify (SimplPhase 0) [
MaxSimplifierIterations max_iter
- ])
+ ]
]
else {- opt_level >= 1 -} return [
-- initial simplify: mk specialiser happy: minimum effort please
- CoreDoSimplify (isAmongSimpl [
- SimplInlinePhase 0,
+ 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
- DontApplyRules,
-- Similarly, don't apply any rules until after full
-- laziness. Notably, list fusion can prevent floating.
+
NoCaseOfCase,
-- Don't do case-of-case transformations.
-- This makes full laziness work better
MaxSimplifierIterations max_iter
- ]),
+ ],
-- Specialisation is best done before full laziness
-- so that overloaded functions have all their dictionary lambdas manifest
CoreDoSpecialising,
- CoreDoFloatOutwards False{-not full-},
+ CoreDoFloatOutwards (FloatOutSw False False),
CoreDoFloatInwards,
- CoreDoSimplify (isAmongSimpl [
- SimplInlinePhase 1,
- -- Want to run with inline phase 1 after the specialiser to give
+ 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 2. This made a difference in 'ansi' where an
+ -- 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 },
-- infer usage information here in case we need it later.
-- (add more of these where you need them --KSW 1999-04)
if usageSP then CoreDoUSPInf else CoreDoNothing,
- CoreDoSimplify (isAmongSimpl [
+ 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
- SimplInlinePhase 2,
MaxSimplifierIterations max_iter
- ]),
+ ],
+ case rule_check of { Just pat -> CoreDoRuleCheck 1 pat; Nothing -> CoreDoNothing },
- CoreDoSimplify (isAmongSimpl [
- MaxSimplifierIterations 3
- -- No -finline-phase: allow all Ids to be inlined now
+ 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 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 DEBUG
if cpr then CoreDoCPResult else CoreDoNothing,
+#endif
if strictness then CoreDoStrictness else CoreDoNothing,
CoreDoWorkerWrapper,
CoreDoGlomBinds,
- CoreDoSimplify (isAmongSimpl [
+ CoreDoSimplify (SimplPhase 0) [
MaxSimplifierIterations max_iter
- -- No -finline-phase: allow all Ids to be inlined now
- ]),
+ ],
- CoreDoFloatOutwards False{-not full-},
+ CoreDoFloatOutwards (FloatOutSw False -- Not lambdas
+ True), -- Float constants
-- 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
-- f_el22 (f_el21 r_midblock)
--- Leave out lambda lifting for now
--- "-fsimplify", -- Tidy up results of full laziness
--- "[",
--- "-fmax-simplifier-iterations2",
--- "]",
--- "-ffloat-outwards-full",
-
-- 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
-- Case-liberation for -O2. This should be after
-- strictness analysis and the simplification which follows it.
+ case rule_check of { Just pat -> CoreDoRuleCheck 0 pat; Nothing -> CoreDoNothing },
+
if opt_level >= 2 then
CoreLiberateCase
else
CoreDoNothing,
-- Final clean-up simplification:
- CoreDoSimplify (isAmongSimpl [
+ CoreDoSimplify (SimplPhase 0) [
MaxSimplifierIterations max_iter
- -- No -finline-phase: allow all Ids to be inlined now
- ]),
-
- case rule_check of { Just pat -> CoreDoRuleCheck pat; Nothing -> CoreDoNothing }
+ ]
]
buildStgToDo :: IO [ StgToDo ]
addToDirList ref path
= do paths <- readIORef ref
shiny_new_ones <- splitUp path
- writeIORef ref (paths ++ shiny_new_ones)
-
+ writeIORef ref (paths ++ filter (not.null) shiny_new_ones)
+ -- empty paths are ignored: there might be a trailing
+ -- ':' in the initial list, for example. Empty paths can
+ -- cause confusion when they are translated into -I options
+ -- for passing to gcc.
where
splitUp ::String -> IO [String]
#ifdef mingw32_TARGET_OS
projects / ghc-hetmet.git / blobdiff