1. 31 May, 2011 1 commit
    • Andreas Zwinkau's avatar
      Fix "Some cleanup of cfopt." · 7679a65e
      Andreas Zwinkau authored
      The remove_empty_blocks function must be used for a pre-walker, otherwise
      it might be called on blocks, which were optimized away. Consider infinite
      loops and the Keep edges:
      
        \ ___
         B   |
          \  /
          Empty
          /
         / Keep Edge!
      
      In this example, we must not call remove_empty_blocks on Empty,
      after we called it on B, but a post walker would do that.
      7679a65e
  2. 30 May, 2011 1 commit
    • unknown's avatar
      Some cleanup of cfopt. · 2b785165
      unknown authored
      - renamed clear_link() to clear_link_and_mark_blocks_removable()
      - renamed optimize_conds() to optimize_ifs()
      - simplified has_*() implementations
      - made some walker POST walker
      - invalidate out edges
      - and add some doxygen docu
      - fixed some typos
      - adapt to firm indentation style
      2b785165
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