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2007 Apr 03
0
[LLVMdev] Live Intervals vs. Live Variables
...ruction Level Parallelism". These works propose faster and better algorithms than graph coloring, at least as I understand it. Best regards, Anton. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20070403/5d3ffa08/attachment.html>
2007 Apr 03
2
[LLVMdev] Live Intervals vs. Live Variables
Toward a better register allocator, I'm attempting to understand the dataflow information available to the allocator. What's the difference between LiveInterval information and LiveVariable information? If a LiveInterval is based on a linear ordering of the machine instructions, isn't it rather conservative in nature? Let's say I have a typical diamond CFG: A