[llvm-commits] [llvm] r154263 - in /llvm/trunk: lib/Analysis/ValueTracking.cpp test/Transforms/LoopRotate/dbgvalue.ll

Eric Christopher echristo at apple.com
Sat Apr 7 12:24:59 PDT 2012


On Apr 7, 2012, at 12:22 PM, Chandler Carruth wrote:

>  As
> a consequence (and this how I got to this yak) any profiling of
> performance problems should be treated with deep suspicion -- they may
> have been wildly innacurate of debug info was enabled for profiling. =/

I know some people did an audit of the passes a while ago to make sure
that debug information didn't affect the output of the pass. Looks like they
missed a few, but in general it shouldn't be too widespread.

-eric
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