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Diffstat (limited to 'optimiser.hs')
| -rw-r--r-- | optimiser.hs | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/optimiser.hs b/optimiser.hs deleted file mode 100644 index c4c60cb..0000000 --- a/optimiser.hs +++ /dev/null @@ -1,24 +0,0 @@ -module Optimiser(optimise) where - -import Data.List - -import Intermediate - - -optimise :: IRProgram -> IRProgram -optimise (IRProgram bbs gfds datas) = IRProgram (mergeBlocks bbs) gfds datas - -mergeBlocks :: [BB] -> [BB] -mergeBlocks [] = [] -mergeBlocks allbbs@(BB startb _ _ : _) = - uncurry (++) (partition ((== startb) . bidOf) (go allbbs (length allbbs))) - where - go [] _ = [] - go bbs 0 = bbs - go (bb@(BB bid inss term) : bbs) n = case partition (hasJumpTo bid . termOf) bbs of - ([], _) -> go (bbs ++ [bb]) (n - 1) - ([BB bid' inss' _], rest) -> go (BB bid' (inss' ++ inss) term : rest) n - _ -> go (bbs ++ [bb]) (n - 1) - - hasJumpTo bid (IJmp a) = a == bid - hasJumpTo _ _ = False |