[llvm] r300746 - [SCEV] Make SCEV or modeling more aggressive.

[Michael Zolotukhin via llvm-commits]

> On Apr 20, 2017, at 4:57 PM, Friedman, Eli <efriedma at codeaurora.org> wrote:
> 
> On 4/20/2017 4:50 PM, Sanjoy Das wrote:
>> I can't immediately think of any silver bullets here unfortunately.  I
>> do want to take a look to see if some of the regression can be
>> recovered by making the add expr handling faster in the pattern seen
>> in this benchmark, but that's pretty uncertain.
>> 
>> Were you able to figure out why we had a code size regression?
> 
> I can't reproduce the codesize regression from the given testcase; it looks like we're generating identical code at -Os before and after my patch.
The code size increase might come from a different file, I’ll recheck it.

Michael
> 
> -Eli
> 
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> Employee of Qualcomm Innovation Center, Inc.
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>