[llvm-commits] [llvm] r147175 - in /llvm/trunk/test/Transforms/LoopUnswitch: 2011-11-18-SimpleSwitch.ll 2011-11-18-TwoSwitches-Threshold.ll 2011-11-18-TwoSwitches.ll

[Chad Rosier]

On Dec 23, 2011, at 3:00 AM, Chandler Carruth wrote:

> On Thu, Dec 22, 2011 at 1:06 PM, Chad Rosier <mcrosier at apple.com> wrote:
> Reinstate r146578; it doesn't appear to be the cause of some recent execution-
> time regressions.
> 
> FYI, I'm also tracking down some recent execution time regressions on x86...
> 
> I've got a firm lead on least some of them, and they stem from my CTTZ / CTLZ work. I should have fixes in tomorrow I suspect for the specific bad code I've spotted coming out of these, but any benchmark data or test cases you come across would likely help.

Thanks, Chandler.  I'll keep an eye out for related regressions.

 Chad
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