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...they are intervals that actually could be spilled. I would really appreciate some help and pointers on what might be going wrong here, Jonas Paulsson -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150129/48433cc8/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: pbqp_reduced.ll Type: application/octet-stream Size: 3152 bytes Desc: pbqp_reduced.ll URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150129/48433cc8/attachment.obj> ----------...

> A node should never be put into the conservatively allocatable list if there is a chance of it spilling. I can understand why the logic of NodeMetadata::isConservativelyAllocatable is necessary for the node to be allocatable, but I have not been able to convince myself this is sufficient, especially when the node degree > available registers. Cheers, Arnaud From: