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...lly, knowing if the virtual reg assigned to a certain value is not > expanded because the value had a legal type would be great. > > Thanks > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20101230/67635abe/attachment.html>

Hello, Is there a way to determine before register allocation if a virtual reg is mapped to the lo or hi part of a piece of a value? Basically i need to tell the register allocator to use a certain set of registers for the lo part and others for the hi part, so in order to do this i would have to know if the data value was expanded into smaller pieces and which piece is each one. Additionally,