From: nkavv@physics.auth.gr
To: linux-sparse@vger.kernel.org
Subject: Re: Backend projects for Sparse
Date: Thu, 29 Nov 2007 11:09:20 +0200 [thread overview]
Message-ID: <1196327360.474e81c0546d7@mail.physics.auth.gr> (raw)
In-Reply-To: <70318cbf0711281125u6cc168dfv11d118741a535167@mail.gmail.com>
Quoting Christopher Li <sparse@chrisli.org>:
> On Nov 28, 2007 11:00 AM, Nikolaos Kavvadias <nkavv@physics.auth.gr> wrote:
> > first of all, thanks for your specific answers. The SSA form that i
> > think of uses only PHI functions. Guard variables (conditionals for
> > selecting a specific usage) may or may not be explicit. Usually, most
> > SSA forms just specify which uses are merged. The conditionals can be
> > inferred by control-flow analysis.
>
> We have PHI node embed in the instruction list as one of the fake
> instruction.
> Then we have the PHI source node to indicate the output edge of the PHI node.
>
> It seems that should fit your need.
>
> Chris
OK, so it marks where the uses are merged.
Jeff: thanks for clearing up the "linearize" issue.
Nikolaos Kavvadias
next prev parent reply other threads:[~2007-11-29 9:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-28 9:53 Backend projects for Sparse nkavv
2007-11-28 18:53 ` Christopher Li
2007-11-28 19:00 ` Nikolaos Kavvadias
2007-11-28 19:25 ` Christopher Li
2007-11-29 9:09 ` nkavv [this message]
2007-11-28 19:45 ` Jeff Garzik
2007-11-28 20:27 ` Christopher Li
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