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[LLVMdev] How to implement register allocation constraints to guide allocator dispatching different registers for certain instruction?
2014 Feb 19
2
[LLVMdev] How to implement register allocation constraints to guide allocator dispatching different registers for certain instruction?
Hi Kevin, I concur Tim’s advice, you should use the @earlyclobber. Cheers, -Quentin On Feb 19, 2014, at 3:27 AM, Tim Northover <t.p.northover at gmail.com> wrote: > Hi Kevin, > >> I suppose to add some extra rules on register allocator to avoid it >> allocating register causing any unpredictable behavior, but I don't have >> experience to this part. Can