[cfe-dev] Just a quick heads up -- removing BBVectorize from LLVM (and Clang)

[Hal Finkel via cfe-dev]

On 06/29/2017 05:42 PM, Chandler Carruth wrote:
> If you don't use BBVectorize at all, you can ignore this.
>
> Hal suggested this in a thread in 2014:
> http://lists.llvm.org/pipermail/llvm-dev/2014-November/079091.html
>
> None objected then, and I don't think any new uses have arisen so I 
> plan to just remove it. It is causing maintenance burden, complexity, 
> and is a set of features I'd rather not port to the new PM.

Thanks, Chandler. Indeed, I've not seen any "-fslp-vectorize-aggressive 
makes my code faster" reports in a long time.

  -Hal

>
> Just an FYI email to folks so they aren't confused when the patches land.

-- 
Hal Finkel
Lead, Compiler Technology and Programming Languages
Leadership Computing Facility
Argonne National Laboratory