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Filter out constraint tuple class constructors in hasNoTypeClasses #75

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merged 2 commits into from
Sep 13, 2023
Merged

Filter out constraint tuple class constructors in hasNoTypeClasses #75

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1df897f
Filter out constraint tuple class constructors in hasNoTypeClasses
Mikolaj Aug 19, 2023
bf0177b
Update src/Test/Inspection/Core.hs
nomeata Sep 13, 2023
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4 changes: 3 additions & 1 deletion src/Test/Inspection/Core.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ module Test.Inspection.Core
) where

#if MIN_VERSION_ghc(9,0,0)
import GHC.Builtin.Types (isCTupleTyConName)
import GHC.Core
import GHC.Core.Utils
import GHC.Core.TyCo.Rep
Expand All @@ -31,6 +32,7 @@ import GHC.Utils.Misc
import GHC.Core.DataCon
import GHC.Core.TyCon (TyCon, isClassTyCon)
#else
import Builtin.Types (isCTupleTyConName) -- only guessing the module name
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import CoreSyn
import CoreUtils
import CoreSubst
Expand Down Expand Up @@ -552,7 +554,7 @@ doesNotAllocate slice = listToMaybe [ (v,e) | (v,e) <- slice, not (go (idArity v

doesNotContainTypeClasses :: Slice -> [Name] -> Maybe (Var, CoreExpr, [TyCon])
doesNotContainTypeClasses slice tcNs
= allTyCons (\tc -> not (isClassTyCon tc) || any (getName tc ==) tcNs) slice
= allTyCons (\tc -> not (isClassTyCon tc) || isCTupleTyConName (getName tc) || any (getName tc ==) tcNs) slice

rename :: [(Var, Var)] -> CoreExpr -> CoreExpr
rename rn = substExpr' sub where
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