From: Richard Guenther <richard.guenther@gmail.com>
To: Diego Novillo <dnovillo@google.com>
Cc: Basile Starynkevitch <basile@starynkevitch.net>, gcc@gcc.gnu.org
Subject: Re: Serializing mixed gimple data from a plugin in LTO?
Date: Fri, 25 Mar 2011 12:17:00 -0000 [thread overview]
Message-ID: <AANLkTi=2Obi4jkGMo+tTkDswPSzwhuuDRR_=HQHrV3mh@mail.gmail.com> (raw)
In-Reply-To: <AANLkTim3JSN7=fnRXVpUZ4go7h70+UeWj41TpbDRjWdf@mail.gmail.com>
On Fri, Mar 25, 2011 at 12:52 PM, Diego Novillo <dnovillo@google.com> wrote:
> On Fri, Mar 25, 2011 at 06:06, Richard Guenther
> <richard.guenther@gmail.com> wrote:
>
>> You are not allowed to piggy-back on statements but only global things
>> like cgraph and varpool. There is no way to transition data from before
>> LTO to after associated with statements. And there never will be.
>
> But one could write out a table indexed by gimple statement uid. That
> would allow the pass to reconstruct the statement metadata on the way
> in.
That's true. You still have to shove your data through WPA stage though
(which doesn't have stmts).
Richard.
prev parent reply other threads:[~2011-03-25 12:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-25 10:07 Basile Starynkevitch
2011-03-25 10:13 ` Richard Guenther
2011-03-25 12:01 ` Diego Novillo
2011-03-25 12:17 ` Richard Guenther [this message]
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