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author | Matthew Pickering <matthewtpickering@gmail.com> | 2022-02-09 16:16:29 +0000 |
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committer | Matthew Pickering <matthewtpickering@gmail.com> | 2022-02-09 16:16:29 +0000 |
commit | abc934804d2210d2bf0e9d9a0267888d9a324ac6 (patch) | |
tree | 37faa8b939a129f1b34f05b1a0a04095af6df89f | |
parent | a98e55e767764cb810833492b898d1e75f93fd77 (diff) | |
download | haskell-wip/source-note-graveyard.tar.gz |
Add ticks on floats and ev bindswip/source-note-graveyard
-rw-r--r-- | compiler/GHC/Core/Opt/FloatOut.hs | 4 | ||||
-rw-r--r-- | compiler/GHC/Core/Opt/Simplify.hs | 11 | ||||
-rw-r--r-- | compiler/GHC/Core/Opt/Simplify/Env.hs | 5 | ||||
-rw-r--r-- | compiler/GHC/HsToCore/Binds.hs | 2 | ||||
-rw-r--r-- | compiler/GHC/HsToCore/Coverage.hs | 48 |
5 files changed, 60 insertions, 10 deletions
diff --git a/compiler/GHC/Core/Opt/FloatOut.hs b/compiler/GHC/Core/Opt/FloatOut.hs index 1a88c97d55..d04e523dd1 100644 --- a/compiler/GHC/Core/Opt/FloatOut.hs +++ b/compiler/GHC/Core/Opt/FloatOut.hs @@ -8,7 +8,7 @@ -module GHC.Core.Opt.FloatOut ( floatOutwards ) where +module GHC.Core.Opt.FloatOut ( floatOutwards, wrapTick ) where import GHC.Prelude @@ -417,7 +417,7 @@ floatExpr lam@(Lam (TB _ lam_spec) _) floatExpr (Tick tickish expr) | tickish `tickishScopesLike` SoftScope -- not scoped, can just float = case (atJoinCeiling $ floatExpr expr) of { (fs, floating_defns, expr') -> - (fs, floating_defns, Tick tickish expr') } + (fs, wrapTick tickish floating_defns, Tick tickish expr') } | not (tickishCounts tickish) || tickishCanSplit tickish = case (atJoinCeiling $ floatExpr expr) of { (fs, floating_defns, expr') -> diff --git a/compiler/GHC/Core/Opt/Simplify.hs b/compiler/GHC/Core/Opt/Simplify.hs index f77411e0b1..4cd15b6ffa 100644 --- a/compiler/GHC/Core/Opt/Simplify.hs +++ b/compiler/GHC/Core/Opt/Simplify.hs @@ -1310,8 +1310,15 @@ simplTick env tickish expr cont -- application context, allowing the normal case and application -- optimisations to fire. | tickish `tickishScopesLike` SoftScope - = do { (floats, expr') <- simplExprF env expr cont - ; return (floats, mkTick tickish expr') + = do { -- pprTraceM "simpl_tick1" (ppr tickish) + ; (floats, expr') <- simplExprF env expr cont + --; pprTraceM "simpl_tick" (ppr floats $$ ppr tickish $$ ppr floats $$ ppr expr $$ ppr cont $$ ppr expr') + ; let wrap_float (b,rhs) = (zapIdDmdSig (setIdArity b 0), + mkTick (mkNoCount tickish) rhs) + -- when wrapping a float with mkTick, we better zap the Id's + -- strictness info and arity, because it might be wrong now. + ; let floats' = mapFloats wrap_float floats + ; return (floats', mkTick tickish expr') } -- Push tick inside if the context looks like this will allow us to diff --git a/compiler/GHC/Core/Opt/Simplify/Env.hs b/compiler/GHC/Core/Opt/Simplify/Env.hs index 54a5f171ec..8be549602b 100644 --- a/compiler/GHC/Core/Opt/Simplify/Env.hs +++ b/compiler/GHC/Core/Opt/Simplify/Env.hs @@ -32,7 +32,7 @@ module GHC.Core.Opt.Simplify.Env ( SimplFloats(..), emptyFloats, mkRecFloats, mkFloatBind, addLetFloats, addJoinFloats, addFloats, extendFloats, wrapFloats, - doFloatFromRhs, getTopFloatBinds, + doFloatFromRhs, getTopFloatBinds, mapFloats, -- * LetFloats LetFloats, letFloatBinds, emptyLetFloats, unitLetFloat, @@ -126,6 +126,9 @@ data SimplFloats , sfInScope :: InScopeSet -- All OutVars } +mapFloats :: ((Id, CoreExpr) -> (Id, CoreExpr)) -> SimplFloats -> SimplFloats +mapFloats f sf = sf { sfLetFloats = mapLetFloats (sfLetFloats sf) f } + instance Outputable SimplFloats where ppr (SimplFloats { sfLetFloats = lf, sfJoinFloats = jf, sfInScope = is }) = text "SimplFloats" diff --git a/compiler/GHC/HsToCore/Binds.hs b/compiler/GHC/HsToCore/Binds.hs index a8935e9cd9..2710ec3b19 100644 --- a/compiler/GHC/HsToCore/Binds.hs +++ b/compiler/GHC/HsToCore/Binds.hs @@ -170,7 +170,7 @@ dsHsBind dflags b@(FunBind { fun_id = L loc fun ; core_wrap <- dsHsWrapper co_fn ; let body' = mkOptTickBox tick body - rhs = core_wrap (mkLams args body') + rhs = mkOptTickBox tick (core_wrap (mkLams args body')) core_binds@(id,_) = makeCorePair dflags fun False 0 rhs force_var -- Bindings are strict when -XStrict is enabled diff --git a/compiler/GHC/HsToCore/Coverage.hs b/compiler/GHC/HsToCore/Coverage.hs index 8050332a0f..2004db959f 100644 --- a/compiler/GHC/HsToCore/Coverage.hs +++ b/compiler/GHC/HsToCore/Coverage.hs @@ -69,6 +69,9 @@ import Trace.Hpc.Util import qualified Data.ByteString as BS import Data.Set (Set) import qualified Data.Set as Set +import GHC.Utils.Trace +import GHC.Tc.Types.Evidence +import GHC.Core {- ************************************************************************ @@ -286,11 +289,14 @@ addTickLHsBinds = mapBagM addTickLHsBind addTickLHsBind :: LHsBind GhcTc -> TM (LHsBind GhcTc) addTickLHsBind (L pos bind@(AbsBinds { abs_binds = binds, + abs_ev_binds = evbinds, abs_exports = abs_exports })) = withEnv add_exports $ withEnv add_inlines $ do binds' <- addTickLHsBinds binds - return $ L pos $ bind { abs_binds = binds' } + ev <- mapM (addTickEvBinds (locA pos)) evbinds + pprTraceM "len_binds" (ppr (length evbinds) $$ ppr abs_exports) + return $ L pos $ bind { abs_binds = binds', abs_ev_binds = ev } where -- in AbsBinds, the Id on each binding is not the actual top-level -- Id that we are defining, they are related by the abs_exports @@ -310,7 +316,7 @@ addTickLHsBind (L pos bind@(AbsBinds { abs_binds = binds, | ABE{ abe_poly = pid, abe_mono = mid } <- abs_exports , isInlinePragma (idInlinePragma pid) ] } -addTickLHsBind (L pos (funBind@(FunBind { fun_id = L _ id }))) = do +addTickLHsBind (L pos (funBind@(FunBind { fun_id = L loc id, fun_ext = wrapper }))) = do let name = getOccString id decl_path <- getPathEntry density <- getDensity @@ -329,6 +335,8 @@ addTickLHsBind (L pos (funBind@(FunBind { fun_id = L _ id }))) = do addPathEntry name $ addTickMatchGroup False (fun_matches funBind) + wrapper' <- addPathEntry name $ addTickHsWrapper (locA loc) wrapper + blackListed <- isBlackListed (locA pos) exported_names <- liftM exports getEnv @@ -348,7 +356,8 @@ addTickLHsBind (L pos (funBind@(FunBind { fun_id = L _ id }))) = do let mbCons = maybe Prelude.id (:) return $ L pos $ funBind { fun_matches = mg - , fun_tick = tick `mbCons` fun_tick funBind } + , fun_tick = tick `mbCons` fun_tick funBind + , fun_ext = wrapper' } where -- a binding is a simple pattern binding if it is a funbind with @@ -400,6 +409,36 @@ addTickLHsBind (L pos (pat@(PatBind { pat_lhs = lhs addTickLHsBind var_bind@(L _ (VarBind {})) = return var_bind addTickLHsBind patsyn_bind@(L _ (PatSynBind {})) = return patsyn_bind +addTickHsWrapper :: SrcSpan -> HsWrapper -> TM HsWrapper +addTickHsWrapper pos (WpCompose w1 w2)= WpCompose <$> addTickHsWrapper pos w1 <*> addTickHsWrapper pos w2 +addTickHsWrapper pos (WpLet ev_binds) = WpLet <$> addTickEvBinds pos ev_binds +addTickHsWrapper _ wrap = return wrap + + +addTickEvBinds :: SrcSpan -> TcEvBinds -> TM TcEvBinds +addTickEvBinds (RealSrcSpan pos _) (EvBinds ev_b) = do + pprTraceM "addTickEvBinds" (ppr pos $$ ppr ev_b) + EvBinds <$> mapM (addTickEvBind pos) ev_b +addTickEvBinds pos u = do + pprTraceM "FAIL-addTickEvBinds" (ppr pos <+> ppr u) + return u + +addTickEvBind :: RealSrcSpan -> EvBind -> TM EvBind +addTickEvBind pos eb = do + pprTraceM "addTickEvBind" (ppr pos) + rhs' <- addPathEntry (occNameString (getOccName (eb_lhs eb))) $ addTickEvTerm pos (eb_rhs eb) + return $ eb { eb_rhs = rhs' } + +addTickEvTerm :: RealSrcSpan -> EvTerm -> TM EvTerm +addTickEvTerm pos (EvExpr e) = do + pprTraceM "addTickEvBindEv" (ppr pos) + decl_path <- getPathEntry + return $ EvExpr (Tick (SourceNote pos (concat (intersperse "." decl_path))) e) +addTickEvTerm _ e = return e + + + + bindTick :: TickDensity -> String -> SrcSpan -> FreeVars -> TM (Maybe CoreTickish) bindTick density name pos fvs = do @@ -647,7 +686,8 @@ addTickHsExpr (HsProc x pat cmdtop) = liftM2 (HsProc x) (addTickLPat pat) (liftL (addTickHsCmdTop) cmdtop) -addTickHsExpr (XExpr (WrapExpr (HsWrap w e))) = +addTickHsExpr (XExpr (WrapExpr (HsWrap w e))) = do + pprTraceM "wrap_expr" (ppr w) liftM (XExpr . WrapExpr . HsWrap w) $ (addTickHsExpr e) -- Explicitly no tick on inside addTickHsExpr (XExpr (ExpansionExpr (HsExpanded a b))) = |