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Diffstat (limited to 'testsuite/tests/rep-poly/RepPolyTuple2.hs')
-rw-r--r-- | testsuite/tests/rep-poly/RepPolyTuple2.hs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/testsuite/tests/rep-poly/RepPolyTuple2.hs b/testsuite/tests/rep-poly/RepPolyTuple2.hs new file mode 100644 index 0000000000..43e590587b --- /dev/null +++ b/testsuite/tests/rep-poly/RepPolyTuple2.hs @@ -0,0 +1,21 @@ +{-# LANGUAGE MagicHash #-} +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE PolyKinds #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE UnboxedTuples #-} + +module RepPolyTuple2 where + +import GHC.Exts + +type RR :: RuntimeRep +type family RR where { RR = FloatRep } +type F :: TYPE RR +type family F where { F = Float# } + +{-# NOINLINE expensive #-} +expensive :: Float -> Float +expensive x = cos x ** 123.45 + +tup x = (# , #) @LiftedRep @RR (expensive x) |