==================== Tidy Core ====================
Result size of Tidy Core = {terms: 56, types: 67, coercions: 5, joins: 0/0}

-- RHS size: {terms: 1, types: 0, coercions: 0, joins: 0/0}
T17673.$trModule4 :: GHC.Prim.Addr#
[GblId, Unf=Unf{Src=<vanilla>, TopLvl=True, Value=True, ConLike=True, WorkFree=True, Expandable=True, Guidance=IF_ARGS [] 20 0}]
T17673.$trModule4 = "main"#

-- RHS size: {terms: 2, types: 0, coercions: 0, joins: 0/0}
T17673.$trModule3 :: GHC.Types.TrName
[GblId, Unf=Unf{Src=<vanilla>, TopLvl=True, Value=True, ConLike=True, WorkFree=True, Expandable=True, Guidance=IF_ARGS [] 10 20}]
T17673.$trModule3 = GHC.Types.TrNameS T17673.$trModule4

-- RHS size: {terms: 1, types: 0, coercions: 0, joins: 0/0}
T17673.$trModule2 :: GHC.Prim.Addr#
[GblId, Unf=Unf{Src=<vanilla>, TopLvl=True, Value=True, ConLike=True, WorkFree=True, Expandable=True, Guidance=IF_ARGS [] 30 0}]
T17673.$trModule2 = "T17673"#

-- RHS size: {terms: 2, types: 0, coercions: 0, joins: 0/0}
T17673.$trModule1 :: GHC.Types.TrName
[GblId, Unf=Unf{Src=<vanilla>, TopLvl=True, Value=True, ConLike=True, WorkFree=True, Expandable=True, Guidance=IF_ARGS [] 10 20}]
T17673.$trModule1 = GHC.Types.TrNameS T17673.$trModule2

-- RHS size: {terms: 3, types: 0, coercions: 0, joins: 0/0}
T17673.$trModule :: GHC.Types.Module
[GblId, Unf=Unf{Src=<vanilla>, TopLvl=True, Value=True, ConLike=True, WorkFree=True, Expandable=True, Guidance=IF_ARGS [] 10 30}]
T17673.$trModule = GHC.Types.Module T17673.$trModule3 T17673.$trModule1

-- RHS size: {terms: 2, types: 0, coercions: 0, joins: 0/0}
lvl :: Int
[GblId, Unf=OtherCon []]
lvl = GHC.Types.I# 1#

Rec {
-- RHS size: {terms: 27, types: 31, coercions: 0, joins: 0/0}
T17673.$wfacIO [InlPrag=NOINLINE, Occ=LoopBreaker] :: GHC.Prim.Int# -> GHC.Prim.State# GHC.Prim.RealWorld -> (# GHC.Prim.State# GHC.Prim.RealWorld, Int #)
[GblId, Arity=2, Str=<L,U><L,U>, Unf=OtherCon []]
T17673.$wfacIO
  = \ (ww :: GHC.Prim.Int#) (w :: GHC.Prim.State# GHC.Prim.RealWorld) ->
      case GHC.Prim.<# ww 2# of {
        __DEFAULT -> case T17673.$wfacIO (GHC.Prim.-# ww 1#) w of { (# ipv, ipv1 #) -> (# ipv, case ipv1 of { GHC.Types.I# y -> GHC.Types.I# (GHC.Prim.*# ww y) } #) };
        1# -> (# w, lvl #)
      }
end Rec }

-- RHS size: {terms: 8, types: 5, coercions: 0, joins: 0/0}
T17673.facIO1 [InlPrag=NOUSERINLINE[-1]] :: Int -> GHC.Prim.State# GHC.Prim.RealWorld -> (# GHC.Prim.State# GHC.Prim.RealWorld, Int #)
[GblId,
 Arity=2,
 Str=<S,1*U(U)><L,U>,
 Unf=Unf{Src=InlineStable, TopLvl=True, Value=True, ConLike=True, WorkFree=True, Expandable=True, Guidance=ALWAYS_IF(arity=2,unsat_ok=True,boring_ok=False)
         Tmpl= \ (w [Occ=Once!] :: Int) (w1 [Occ=Once] :: GHC.Prim.State# GHC.Prim.RealWorld) -> case w of { GHC.Types.I# ww1 [Occ=Once] -> T17673.$wfacIO ww1 w1 }}]
T17673.facIO1 = \ (w :: Int) (w1 :: GHC.Prim.State# GHC.Prim.RealWorld) -> case w of { GHC.Types.I# ww1 -> T17673.$wfacIO ww1 w1 }

-- RHS size: {terms: 1, types: 0, coercions: 5, joins: 0/0}
facIO [InlPrag=NOUSERINLINE[-1]] :: Int -> IO Int
[GblId,
 Arity=2,
 Str=<S,1*U(U)><L,U>,
 Unf=Unf{Src=InlineStable, TopLvl=True, Value=True, ConLike=True, WorkFree=True, Expandable=True, Guidance=ALWAYS_IF(arity=0,unsat_ok=True,boring_ok=True)
         Tmpl= T17673.facIO1 `cast` (<Int>_R ->_R Sym (GHC.Types.N:IO[0] <Int>_R) :: (Int -> GHC.Prim.State# GHC.Prim.RealWorld -> (# GHC.Prim.State# GHC.Prim.RealWorld, Int #)) ~R# (Int -> IO Int))}]
facIO = T17673.facIO1 `cast` (<Int>_R ->_R Sym (GHC.Types.N:IO[0] <Int>_R) :: (Int -> GHC.Prim.State# GHC.Prim.RealWorld -> (# GHC.Prim.State# GHC.Prim.RealWorld, Int #)) ~R# (Int -> IO Int))