[LLVMdev] Does the pass -postdomfrontier exist?

[shadowkernel]

On 07/13/2012 04:30 PM, Duncan Sands wrote:
> Hi,
>
>> I found the -postdomfrontier pass in *llvm*.org/docs/Passes.html, but
>> 'opt' does not accept it. I could not find the relevant codes in
>> PostDominance.cpp in SVN trunk, but I found some relevant codes  here
>> http://opensource.apple.com/source/clang/clang-137/src/lib/Analysis/PostDominators.cpp.
>>
>>
>> I am wondering why this pass is removed and what should I do if I want
>> the post dominance frontier information?
> there was some discussion of this on the mailing list already, so I suggest you
> search the archives.
>
> Ciao, Duncan.
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I searched the archives and found
http://llvm.1065342.n5.nabble.com/post-dominance-frontier-fix-td10221.html
http://llvm.1065342.n5.nabble.com/Is-there-a-control-dependence-graph-builder-td35919.html#a35921
http://llvm.1065342.n5.nabble.com/post-dominance-frontier-td6783.html

It seems none of them are relevant.  Could you give me more hints about 
this topic? Thanks!