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...scan? > Yes, exactly. The rewriter is local. So, does this mean that different BBs may expect the same spilled value to be in different stack slots? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110926/aba0f7bd/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: cafxx.vcf Type: text/x-vcard Size: 230 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110926/aba0f7bd/attachment.vcf>

On Sep 26, 2011, at 2:41 AM, 陳韋任 wrote: >> The greedy allocator is global, but so was the old linear scan allocator. > > In http://blog.llvm.org/2011/09/greedy-register-allocation-in-llvm-30.html > , it says "The algorithm is local, and it cannot clean up messes that > extend beyond a single basic block". Does it mean the rewriter algorithm > not the linear scan?