diff options
Diffstat (limited to 'compiler/GHC/CmmToAsm/BlockLayout.hs')
-rw-r--r-- | compiler/GHC/CmmToAsm/BlockLayout.hs | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/compiler/GHC/CmmToAsm/BlockLayout.hs b/compiler/GHC/CmmToAsm/BlockLayout.hs index 07faa91473..67eff764e1 100644 --- a/compiler/GHC/CmmToAsm/BlockLayout.hs +++ b/compiler/GHC/CmmToAsm/BlockLayout.hs @@ -636,22 +636,8 @@ sequenceChain :: forall a i. (Instruction i, Outputable i) -> [GenBasicBlock i] -- ^ Blocks placed in sequence. sequenceChain _info _weights [] = [] sequenceChain _info _weights [x] = [x] -sequenceChain info weights' blocks@((BasicBlock entry _):_) = - let weights :: CFG - weights = --pprTrace "cfg'" (pprEdgeWeights cfg') - cfg' - where - (_, globalEdgeWeights) = {-# SCC mkGlobalWeights #-} mkGlobalWeights entry weights' - cfg' = {-# SCC rewriteEdges #-} - mapFoldlWithKey - (\cfg from m -> - mapFoldlWithKey - (\cfg to w -> setEdgeWeight cfg (EdgeWeight w) from to ) - cfg m ) - weights' - globalEdgeWeights - - directEdges :: [CfgEdge] +sequenceChain info weights blocks@((BasicBlock entry _):_) = + let directEdges :: [CfgEdge] directEdges = sortBy (flip compare) $ catMaybes . map relevantWeight $ (infoEdgeList weights) where relevantWeight :: CfgEdge -> Maybe CfgEdge |