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| author | Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io> | 2022-04-18 16:55:22 +0200 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-05-02 18:29:23 -0400 |
| commit | 3e400f204e2b88c501c734f2c4244910ffc0d5dc (patch) | |
| tree | 62caeaec6706457f82b818ffa21873bd46385534 /compiler/GHC | |
| parent | fc58df907aac1177b1fd2ec43694fd492ce170da (diff) | |
| download | haskell-3e400f204e2b88c501c734f2c4244910ffc0d5dc.tar.gz | |
Remove obsolete code in CoreToStg
Note [Nullary unboxed tuple] was removed in e9e61f18a548b70693f4.
This codepath is tested by T15696_3.
Diffstat (limited to 'compiler/GHC')
| -rw-r--r-- | compiler/GHC/CoreToStg.hs | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/compiler/GHC/CoreToStg.hs b/compiler/GHC/CoreToStg.hs index 268c427f09..053fd2dcf9 100644 --- a/compiler/GHC/CoreToStg.hs +++ b/compiler/GHC/CoreToStg.hs @@ -49,7 +49,6 @@ import GHC.Types.Demand ( isUsedOnceDmd ) import GHC.Types.SrcLoc ( mkGeneralSrcSpan ) import GHC.Unit.Module -import GHC.Builtin.Types ( unboxedUnitDataCon ) import GHC.Data.FastString import GHC.Platform.Ways import GHC.Builtin.PrimOps ( PrimCall(..) ) @@ -462,15 +461,6 @@ coreToStgExpr (Case scrut bndr _ alts) where vars_alt :: CoreAlt -> CtsM StgAlt vars_alt (Alt con binders rhs) - | DataAlt c <- con, c == unboxedUnitDataCon - = -- This case is a bit smelly. - -- See Note [Nullary unboxed tuple] in GHC.Core.Type - -- where a nullary tuple is mapped to (State# World#) - assert (null binders) $ - do { rhs2 <- coreToStgExpr rhs - ; return GenStgAlt{alt_con=DEFAULT,alt_bndrs=mempty,alt_rhs=rhs2} - } - | otherwise = let -- Remove type variables binders' = filterStgBinders binders in |