From mboxrd@z Thu Jan  1 00:00:00 1970
From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: Re: [PATCH 11/29] add PSEUDO_UNDEF
Date: Thu, 17 Aug 2017 21:01:02 +0200
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To: Dibyendu Majumdar <mobile@majumdar.org.uk>
Cc: Christopher Li <sparse@chrisli.org>, Linux-Sparse <linux-sparse@vger.kernel.org>, Linus Torvalds <torvalds@linux-foundation.org>

On Thu, Aug 17, 2017 at 6:55 PM, Dibyendu Majumdar
<mobile@majumdar.org.uk> wrote:
>>> Processing in the middle-end are much easier if undefined values
>>> have been clearly identified. Once done, we can then make
>>> choices like:
>>> - always initialize them to zero
>>> - allow arbitraly simplification,
>>
>> Can pick arbitrate initialized value, but can't do arbitraly simplification.
>>
>
> I agree with that. Perhaps a specific default value can be set?

I was speaking loosely to say that a lot of simplifications are possible once
the involved pseudo(s) is/are undefined.

-- Luc