class 3 edges

[Seongbae Park (박성배, 朴成培)]

On 6/19/07, Sunzir Deepur <sunzird@gmail.com> wrote:
> hello,
>
> when I compile with -dv -fdump-rtl-* I somtimes see in the VCG files
> some edges that have no meaning in the flow of the program.
> these edges are always green and class 3.
>
> what are those edges ? what is their purposes ?
>
> thank you
> sunzir

See gcc/graph.c:print_rtl_graph_with_bb().
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