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I have a CopyToReg that is copying from different size types, what's the best way to change that to a zext or sext node based on signed or unsigned? I'm fairly unfamiliar with SelectionDAG process (outside of the docs on llvm website). It seems like I should be able to insert a custom hook using the register class to identify the type, potentially in ISelDAGToDag.cpp or is there a better

...ce for this to be done? > > Thanks. > > > It sounds to me like you are looking for the AssertSext / AssertZext nodes > > -Matt > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150127/5e0b18d4/attachment.html>