diff options
Diffstat (limited to 'testsuite/tests/perf/compiler/T8095.hs')
| -rw-r--r-- | testsuite/tests/perf/compiler/T8095.hs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/testsuite/tests/perf/compiler/T8095.hs b/testsuite/tests/perf/compiler/T8095.hs new file mode 100644 index 0000000000..8d0c8c3e08 --- /dev/null +++ b/testsuite/tests/perf/compiler/T8095.hs @@ -0,0 +1,19 @@ +{-# OPTIONS_GHC -freduction-depth=1000 #-} +{-# LANGUAGE TypeOperators,DataKinds,KindSignatures,TypeFamilies,PolyKinds,UndecidableInstances #-} +import GHC.TypeLits +data Nat1 = Zero | Succ Nat1 +type family Replicate1 (n :: Nat1) (x::a) :: [a] +type instance Replicate1 n x = Replicate1' '[] n x +type family Replicate1' (acc::[a]) (n :: Nat1) (x::a) :: [a] +type instance Replicate1' acc Zero x = acc +type instance Replicate1' acc (Succ n) x = Replicate1' (x ': acc) n x +class Class a where + f :: a -> a +data Data (xs::a) = X | Y + deriving (Read,Show) +main = print test1 +instance (xs ~ Replicate1 ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Zero ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ()) => Class (Data xs) where + f X = Y + f Y = X +test1 = f (X :: Data ( Replicate1 ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Succ ( Zero ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) () )) + |