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Re: [PATCH] Teach SCCVN/PRE about type-punning through unions

On Tue, Mar 4, 2008 at 5:48 AM, Paolo Bonzini <bonzini@gnu.org> wrote:
>
>  > I don't see we process uses in any particular order (we sort members
>  > of an SCC).  But - what is RPO again? ;)
>
>  Reverse Post Order (which is how hardcore computer scientist call
>  topological order).

RPO produces a topological order, yes, but there are usually more
topological orders for a graph than just that single one, while there
is only one reverse postorder.

>
>  Paolo
>
>
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