• Jan Stolarek's avatar
    Improve control flow optimisation algorithm · 057bef6e
    Jan Stolarek authored
    Fixes #8456. Previous version of control flow optimisations
    did not update the list of block predecessors, leading to
    unnecessary duplication of blocks in some cases. See Trac
    and comments in the code for more details.
CmmContFlowOpt.hs 15.5 KB