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Re: [tree-ssa] clean up pre edge splitting


> The previous implementation creates a lot of garbage in trying
> to split the edges.  The straightforward approach works now.

I think Zdenek has complete rewrite of split_ciritcal_edge on his
branch.  It would be nice to merge it in.  The function itself is having
some legacy mess in it too..
Zdenek, how hard would be to adopt your
split_edge/split_block/merge_blocks to Richard's representation?
Honza


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