[LLVMdev] Loop unrolling opportunity in SPEC's libquantum with profile info

[Chandler Carruth]

On Tue, Jan 21, 2014 at 2:55 PM, Andrew Trick <atrick at apple.com> wrote:

> On Jan 21, 2014, at 2:51 PM, Chandler Carruth <chandlerc at google.com>
> wrote:
>
>
> On Tue, Jan 21, 2014 at 2:44 PM, Arnold Schwaighofer <
> aschwaighofer at apple.com> wrote:
>
>> The LoopVectorizer depends on LCSSA and LoopSimplify. Both are loop
>> passes. We will have to make them also available as utility functions.
>
>
> Yuck. We still need to fix these at least, but that's much better than
> teaching *all* the loop passes to preserve BPI and BFI.
>
>
> Or have function-level variants of these passes?
>

Yea, that's the other option. LCSSA and LoopSimplify are already really
weird in that they are "dependencies" but are actually transform passes not
analyses. Anyways, this should probably be a different thread...
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