plugin hooks

[Basile STARYNKEVITCH]

Richard Guenther wrote:
> 
> The fix is not to add a hook to replace the pass manager but instead
> to make the GCC pass manager more flexible itself.

I leave that task to my ICI friends (in CC). They have already an 
implementation, and I believe they probably did propose some patches, or 
are working on it.

However, it is not a small patch.

Also, I still believe that a hook for tha pass manager may make sense to 
those brave souls wanting to experiment new pass managers in plugins, 
etc. Having a hook for that is a way to encourage such crazy 
experimentations.

Regards.

-- 
Basile STARYNKEVITCH         http://starynkevitch.net/Basile/
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