[PATCH] Move the segmented stack switch to a function attribute

[Alex Crichton]

Oh dear, it's also probably useful if I attach the patch, sorry about that!

On Wed, Apr 2, 2014 at 4:33 PM, Alex Crichton <alex at crichton.co> wrote:
> Awhile back, Luqman Aden made a request [1] to merge a
> "no-split-stack" function attribute for disabling the split-stack
> prologue in an otherwise segmented-stack-enabled program. I believe it
> was later recommended to instead remove the command line switch and
> use an opt-in system instead (with a "split-stack" attribute for
> functions) [2].
>
> I asked Luqman if it was ok for me to rebase his patch and try to
> re-submit it, and he said that I had the green light. I've rebased his
> work from [2] on today's LLVM, and addressed a few comments that were
> raised on the review.
>
> I've only recently found the phabricator instance for LLVM, so if it
> would be more helpful to move the patch onto there, please just let me
> know!
>
> [1] - http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20131007/190913.html
> [2] - http://llvm-reviews.chandlerc.com/D1905
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