[LLVMdev] mem2reg optimization
dpatel at apple.com
Tue Oct 7 16:51:22 PDT 2008
On Oct 7, 2008, at 3:07 PM, David Greene wrote:
> My point was that the other place
> I've found this useful is in an analysis pass and that's problematic
> the ordering won't be updated by PassManager even if the dependent
> is. Therefore, the dependent analysis will compute wrong answers.
If the pass manger is informed that info. is not preserved then it
will order analysis pass run. Note, DominanceFrontier is an analysis
pass that depends on an analysis pass named DomiantorTree. Do you have
an example where dependent analysis computes wrong answer?
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