[tree-ssa] Organization of tree-ssa optimization passes

[Zdenek Dvorak]

Hello,

> > probably not neccessary, but easier and more flexible.  What exactly you
> > dislike on macros (i.e. what advantage would the solution with
> > array of structures you propose) have?
> 
> There are too many places that think they need to know about
> pass ordering, and they don't.  It's Just Not Clean.

I don't see how this is relevant to whether the passes should be defined
in structures or by macros?

Zdenek