diff options
author | Simon Peyton Jones <simonpj@microsoft.com> | 2015-01-05 16:57:01 +0000 |
---|---|---|
committer | Simon Peyton Jones <simonpj@microsoft.com> | 2015-01-05 17:00:05 +0000 |
commit | 0b3f53fb8d86278ead96ea08bedd8990d3256dc4 (patch) | |
tree | d3ae62380f95ab44b711a4d4a7b8eb9630746069 /compiler/nativeGen/RegAlloc/Graph | |
parent | d6c8da69ed75f0a046bfcf779e71a4ecd2dab106 (diff) | |
download | haskell-wip/redundant-constraints.tar.gz |
Remove redundant constraints in the compiler itself, found by -fwarn-redundant-constraintswip/redundant-constraints
Diffstat (limited to 'compiler/nativeGen/RegAlloc/Graph')
-rw-r--r-- | compiler/nativeGen/RegAlloc/Graph/SpillClean.hs | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/compiler/nativeGen/RegAlloc/Graph/SpillClean.hs b/compiler/nativeGen/RegAlloc/Graph/SpillClean.hs index a81d76dd8d..5633ab68b2 100644 --- a/compiler/nativeGen/RegAlloc/Graph/SpillClean.hs +++ b/compiler/nativeGen/RegAlloc/Graph/SpillClean.hs @@ -543,7 +543,7 @@ addAssoc a b m -- | Delete all associations to a node. -delAssoc :: (Outputable a, Uniquable a) +delAssoc :: (Uniquable a) => a -> Assoc a -> Assoc a delAssoc a m @@ -574,7 +574,7 @@ elemAssoc a b m -- | Find the refl. trans. closure of the association from this point. -closeAssoc :: (Outputable a, Uniquable a) +closeAssoc :: (Uniquable a) => a -> Assoc a -> UniqSet a closeAssoc a assoc @@ -604,10 +604,7 @@ closeAssoc a assoc (unionUniqSets toVisit neighbors) -- | Intersect two associations. -intersectAssoc - :: Uniquable a - => Assoc a -> Assoc a -> Assoc a - +intersectAssoc :: Assoc a -> Assoc a -> Assoc a intersectAssoc a b = intersectUFM_C (intersectUniqSets) a b |