[PATCH] blockfreq: Rewrite block frequency analysis

[Andrew Trick]

On Mar 25, 2014, at 7:23 PM, Chandler Carruth <chandlerc at google.com> wrote:

> Andy was worried about numbers up to 8.  It should be straightforward to
> hardcode the boundaries for the scales 3, 5, 6, and 7, and then use power-of-
> two scales for the rest.
> 
> Ok. I still don't see the importance of 5, 6, and 7... Maybe we could get away with just special casing 3 if these special cases add much complexity? Maybe they don't add much complexity.
> 

Fine. Start with 3. As long as there is a way to do it, I’m not concerned about the numbers.

-Andy
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