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Re: [PATCH, PR middle-end/70807] Free dominance info in CSE pass

From: Bernd Schmidt <bschmidt at redhat dot com>
To: Richard Biener <richard dot guenther at gmail dot com>, Ilya Enkovich <enkovich dot gnu at gmail dot com>, gcc-patches at gcc dot gnu dot org
Date: Tue, 10 May 2016 19:57:01 +0200
Subject: Re: [PATCH, PR middle-end/70807] Free dominance info in CSE pass
Authentication-results: sourceware.org; auth=none
References: <20160510161934 dot GD46462 at msticlxl57 dot ims dot intel dot com> <57321373 dot 9060508 at redhat dot com> <C8023BFA-872B-4293-83C5-4E35FD1A877C at gmail dot com> <573217C7 dot 8050308 at redhat dot com> <767F4C81-4CCF-432D-8DA3-1159168367FD at gmail dot com>

On 05/10/2016 07:36 PM, Richard Biener wrote:


The policy for passes is to only free dominator info if they wreck
it.  They have to expect it being present but can also choose to free
it early of course.

Seems like a policy that's inviting surprises such as this one, but ifthis is the case, the entire patch is OK.



Bernd

References:
- [PATCH, PR middle-end/70807] Free dominance info in CSE pass
  - From: Ilya Enkovich
- Re: [PATCH, PR middle-end/70807] Free dominance info in CSE pass
  - From: Bernd Schmidt
- Re: [PATCH, PR middle-end/70807] Free dominance info in CSE pass
  - From: Richard Biener
- Re: [PATCH, PR middle-end/70807] Free dominance info in CSE pass
  - From: Bernd Schmidt
- Re: [PATCH, PR middle-end/70807] Free dominance info in CSE pass
  - From: Richard Biener

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