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Re: an inter-procedural SSA-based pass

From: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
To: mathieu dot lacage at sophia dot inria dot fr
Cc: Andrew Pinski <pinskia at physics dot uc dot edu>, GCC <gcc at gcc dot gnu dot org>
Date: Wed, 13 Sep 2006 11:53:28 +0200
Subject: Re: an inter-procedural SSA-based pass
References: <1158129292.5358.1.camel@mathieu> <1158131224.21669.4.camel@celery.andrew.com>

Andrew Pinski wrote:

On Wed, 2006-09-13 at 08:34 +0200, mathieu lacage wrote:

hi,
Maybe it is the idea of writing an IPA pass operating on SSA which is
just plain braindead in which case it would be nice for someone to tell
me so :)


It is not braindead except GCC currently does not support that on the
mainline.  On the ipa-branch you can do it, in fact inlining is already
done on SSA there and works.

And if you want that, I have patches to do that as late as after ivopts (though that's quite disgusting because the only way to delete aliasing info right now is to leave SSA and re-enter it).

Paolo

References:
- an inter-procedural SSA-based pass
  - From: mathieu lacage
- Re: an inter-procedural SSA-based pass
  - From: Andrew Pinski

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