[LLVMdev] Enabling the SLP-vectorizer by default for -O3

[Nadav Rotem]

On Jul 28, 2013, at 12:20 AM, Chandler Carruth <chandlerc at google.com> wrote:

> That said, why -O3? I think we should just enable this across the board, as it doesn't seem to cause any size regression under any mode, and the compile time hit is really low.


I agree.  I think that it would be a good idea to enable it for -Os and -O2, but I’d like to make one step at a time. 

Thanks,
Nadav
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