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From: Aldy Hernandez <aldyh@redhat.com>
To: Richard Biener <richard.guenther@gmail.com>,
	       Jason Merrill <jason@redhat.com>,
	       GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: LTO early debug, day 2
Date: Tue, 14 Apr 2015 16:27:00 -0000	[thread overview]
Message-ID: <552D3FE2.8050900@redhat.com> (raw)
In-Reply-To: <CAFiYyc1SrjEpp9McTyBzYRSj_O=bms4Pv_k5-LDt6JHC0UPCEA@mail.gmail.com>

On 04/14/2015 06:35 AM, Richard Biener wrote:

Richard, thank you so much for working on this.  It's good to see your 
progress here.

> the late dwarf generation is a bit awkward because it insists on creating
> type DIEs for all sort of contexts when we process scope vars.  The type

Types should be reused, are they not being reused from early to late dwarf?

> DIEs already exist, but only in early debug info.  I suspect we need to do
> quite some dwarf2out refactoring to split early from late debug generation
> in areas like that.  For the C++ example above we get some stray unused
> type DIEs still.

A pass to remove unused DIEs is on my TODO list.

Aldy

  reply	other threads:[~2015-04-14 16:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-14 13:35 Richard Biener
2015-04-14 16:27 ` Aldy Hernandez [this message]
2015-04-14 17:02   ` Richard Biener

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