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> From: Wei Dang [mailto:jacdang at gmail.com] > Subject: Re: [LLVMdev] Question about method CodeExtractor::severSplitPHINodes > Please excuse me if I'm not supposed to reply to all. You should do reply-all, to make sure the list sees all of the thread. > Are you saying all PHI nodes are required to include all i...

Thanks for reply Chuck. Please excuse me if I'm not supposed to reply to all. Are you saying all PHI nodes are required to include all its predecessor blocks no matter they have input or not? What about successor blocks? Are they optional if they don't provide inputs? BTW, where should I look at to verify this, the mem2reg.cpp & PromoteMemToReg.cpp? Thanks a lot. On Sat, Mar 2, 2013

In Dominators.h, the splitBlock(NewBB) method assumes that the NewBB has only one successor. I don't see why it cant have more than one successors. Is there a reason? Or it's just assumed that way to simplify things? Thanks a lot. -- Wei Dang -------------- next part -------------- An HTML attachment was scrubbed... URL:

hi folks, i am now trying to add unicode support to samba-2.0.6. Will anybody take patience to sketch a roadmap for me?Because i am so confused A lot of thanks! __( ''< \__/ ^ ^

Hi folks, Hope this is not a silly question. But it bothers me when I am thinking about it. My question is: 1. In the implementation of serverSplitPHINodes(), why it only checks the first PHI node for possible multiple inputs from outside the region to extract. There could be more than one PHI nodes in the header block, and the code only checks the first one. I don't quite get it.