[LLVMdev] Back-edge taken count of loops

[ether zhhb]

hi Dan,
On Fri, May 7, 2010 at 12:23 AM, Dan Gohman <gohman at apple.com> wrote:

> I recently added support for <= loops on trunk.

thanks very much, that will help us a lot :)

> ScalarEvolution now
> uses the nsw flag to prove that it doesn't need to consider the
> infinite-loop case.
>
> Dan
>
> best regards
--ether
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