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From: Jan Hubicka <hubicka@ucw.cz>
To: Richard Biener <rguenther@suse.de>
Cc: kugan <kugan.vivekanandarajah@linaro.org>,
	Jan Hubicka <hubicka@ucw.cz>,
	"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: Re: [RFC][IPA-VRP] ADDR_EXPR and nonnull
Date: Wed, 19 Oct 2016 14:26:00 -0000	[thread overview]
Message-ID: <20161019142620.GA69032@kam.mff.cuni.cz> (raw)
In-Reply-To: <alpine.LSU.2.11.1610191125150.2258@t29.fhfr.qr>

> > Would excluding weak symbols (I believe I can check DECL_WEAK for this) good
> > enough. Or looking for acceptable subset would work?
> 
> I think we should add a symtab helper to tell if address_nonzero_p (if
> that doesn't aleady exist).

We have node->nonzero_address()

Honza
> 
> Richard.
> 
> > Thanks,
> > Kugan
> > 
> > > 
> > > Richard.
> > > 
> > > > Attached patch bootstraps and regression testing didn't introduce any new
> > > > regressions.
> > > > 
> > > > Thanks,
> > > > Kugan
> > > > 
> > > > 
> > > > gcc/ChangeLog:
> > > > 
> > > > 2016-10-19  Kugan Vivekanandarajah  <kuganv@linaro.org>
> > > > 
> > > > 	* ipa-prop.c (ipa_compute_jump_functions_for_edge): Set
> > > > 	value range to nonull for ADDR_EXPR.
> > > > 
> > > > gcc/testsuite/ChangeLog:
> > > > 
> > > > 2016-10-19  Kugan Vivekanandarajah  <kuganv@linaro.org>
> > > > 
> > > > 	* gcc.dg/ipa/vrp5.c: New test.
> > > > 	* gcc.dg/ipa/vrp6.c: New test.
> > > > 
> > > 
> > 
> > 
> 
> -- 
> Richard Biener <rguenther@suse.de>
> SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nuernberg)

  reply	other threads:[~2016-10-19 14:26 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-19  2:12 kugan
2016-10-19  8:24 ` Richard Biener
2016-10-19  8:48   ` kugan
2016-10-19  9:26     ` Richard Biener
2016-10-19 14:26       ` Jan Hubicka [this message]
2016-10-20  3:13         ` kugan
2016-10-20  7:42           ` Richard Biener
2016-10-20 11:56             ` kugan
2016-10-20 12:09               ` Richard Biener
2016-10-20 12:15               ` Jan Hubicka
2016-10-21  3:39                 ` kugan
2016-10-21  7:16                   ` Richard Biener
2016-10-21  7:38                     ` kugan
2016-10-21  8:08                       ` Richard Biener

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