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author | David Terei <davidterei@gmail.com> | 2011-07-20 11:09:03 -0700 |
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committer | David Terei <davidterei@gmail.com> | 2011-07-20 11:26:35 -0700 |
commit | 16514f272fb42af6e9c7674a9bd6c9dce369231f (patch) | |
tree | e4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/parser/should_run/readRun004.hs | |
parent | ebd422aed41048476aa61dd4c520d43becd78682 (diff) | |
download | haskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz |
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/parser/should_run/readRun004.hs')
-rw-r--r-- | testsuite/tests/parser/should_run/readRun004.hs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/testsuite/tests/parser/should_run/readRun004.hs b/testsuite/tests/parser/should_run/readRun004.hs new file mode 100644 index 0000000000..5e6545adb1 --- /dev/null +++ b/testsuite/tests/parser/should_run/readRun004.hs @@ -0,0 +1,28 @@ +{-# LANGUAGE UnboxedTuples, MagicHash #-} + +-- should_run to make sure linking succeeds +-- (curried unboxed tuples with both boxed +-- and unboxed components). +-- See Trac #1509; also Note [Primop wrappers] in Id.lhs + +import GHC.Exts + +main = do + case curried 9.0## 't'# of + (# i#, u@(), d1#, c1#, f#, w#, d2#, c2# #) + -> print ( I# i#, u, D# d1#, C# c1#, F# f#, W# w#, D# d2#, C# c2# ) + print $ map_ ((#,#) True) ['a','b','c'] + +-- try NOINLINE to make sure the currying isn't eliminated +-- too soon, but also test the other one without NOINLINE +-- for variety of testing +{-# NOINLINE curried #-} +curried :: Double# -> Char# -> + (# Int#, (), Double#, Char#, Float#, Word#, Double#, Char# #) +curried = (#,,,,,,,#) 3# () 4.0## 'f'# 5.0# 32## + +map_ :: (a -> (# b, c #)) -> [a] -> [(b,c)] +map_ f [] = [] +map_ f (a:as) = case f a of + (# b, c #) -> (b, c) : map_ f as + |