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As far as I know, there is none. Pretty much every analysis or transform on EBBs can be extended to work on the dominator tree, which is what LLVM prefers. Cameron On Apr 8, 2013, at 9:53 PM, Bill He <wh3 at rice.edu> wrote: > Hi all, > > I am trying to find a sample pass that works on extended basic blocks. Any suggestion or help is very much appreciated. > > Thanks in

Hi all, I am trying to find a sample pass that works on extended basic blocks. Any suggestion or help is very much appreciated. Thanks in advance. Best, Weibo -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130408/5492103d/attachment.html>

I am writing a backend for an experimental machine that has both 2-address and 3-address versions of some instructions. The 2-address versions are more compact and thus preferred when applicable. How does one go about generating the most compact version? 1. At instruction selection, is there a predicate that can test whether one of the input sources is dead, thus allowing the selection of the