From: Diego Novillo <dnovillo@google.com>
To: AJM-2 <mcpherson.aj@gmail.com>
Cc: gcc@gcc.gnu.org
Subject: Re: IPA and LTO
Date: Wed, 13 Jul 2011 15:55:00 -0000 [thread overview]
Message-ID: <CAD_=9DQjNChRZJoMe53ckihhAJfefx_DKYWyoxxjZnqemN-a2g@mail.gmail.com> (raw)
In-Reply-To: <32052838.post@talk.nabble.com>
On Wed, Jul 13, 2011 at 10:22, AJM-2 <mcpherson.aj@gmail.com> wrote:
> My question is whether LTO can be used in this way, to have a simple ipa
> pass called once at link time with access to the function bodies, and if so
> how is this achieved? cgraph_function_body_availability seems to only be
> half the story.
Yes, it can. You seem to be describing what GCC calls "simple IPA
pass". These are passes that cannot run in partitioned LTO mode, as
they require the function bodies to operate. Look for passes like
pass_ipa_function_and_variable_visibility for an example of a simple
IPA pass.
Diego.
next prev parent reply other threads:[~2011-07-13 15:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-13 14:56 AJM-2
2011-07-13 15:55 ` Diego Novillo [this message]
2011-07-13 16:23 ` AJM-2
2011-07-13 16:35 ` Pierre Vittet
2011-07-13 20:10 ` Richard Guenther
2011-07-13 20:40 ` AJM-2
2011-07-13 22:43 ` Richard Guenther
-- strict thread matches above, loose matches on Subject: below --
2011-07-13 13:47 AJM-2
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