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mbb10
2010 Mar 09
1
[LLVMdev] Find all backedges of CFG by MachineDominatorTree. please look at my jpg.
Thank you, Nick.
Yes, I have add getAnalysisUsage.
As I know, some CFG is irreducible.
At this time, Dominator Tree can not find
some backedge. Is it means some MachineLoop is
not be found?
dominatorTree.jpg is a previous exmaple.
best regards!
renkun
--- 10年3月9日，周二, Nick Lewycky <nicholas at mxc.ca> 写道：
> 发件人: Nick Lewycky <nicholas at mxc.ca>
> 主题: Re: [LLVMdev] Find