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Re: Fix a tcb crash and a potential bug on mainline

On Wednesday 20 October 2004 15:41, Andrew MacLeod wrote:
> Why doesnt cleanup_control_flow actually follow the flow from entry to
> exit instead of FOR_EACH_BB?

I'm asking myself that each time I see FOR_{EACH,ALL}_BB.

>  Does it have to do something in blocks
> that are unreachable?

No.

>  Or is it just an attempt to avoid using a visited
> bitmap?

And a stack for backtracking.

I've been thinking for some time now about implementing FOR_EACH_BB_DFS
(and perhaps other visiting orders) using some iterator.  You think that
would be a good idea?

Gr.
Steven
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