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...Bs are not > getting updated, neither are the statements in the loopbody. > > What is the easieset way to propagate these changes downward? > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20120307/78118dad/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: BasicBlock Type: application/octet-stream Size: 42180 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20120307/78118dad/attachment.obj>

I am splitting a one BB loop into two BB. Basically, the one loop BB has 3 incoming values, one form back edge two from other edges. I want to extract the PHIs from the other two edges out into it's own BB and delete that from the loop, then redirect the backedge to the loopbody (non extracted portion) and create a new PHI coming from the extracted BB and the backedge. I can do this;