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...sure from global live ranges. These ranges are likely to be split and spilled anyway, so the schedule should not necessarily make room for them. /jakob -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110815/ed4d802f/attachment.html>

Hi, We are working on a research project whose objective is developing a pre-allocation scheduling algorithm that achieves the optimal balance between exploiting ILP (hiding latencies) and minimizing register pressure.  A prototype of our algorithm has been implemented and integrated into an experimental version of LLVM 2.9. Our algorithm is based on a combinatorial optimization approach, which