[LLVMdev] LLVM Assembly Language Question

陳韋任 chenwj at iis.sinica.edu.tw
Wed Dec 14 08:47:27 PST 2011


> I'm not sure what you are asking.  If you look at the assembler for all
> but the simplest function you will see the same assembler instructions
> occurring several times.  For example "xorl    %esi, %esi" is pretty
> popular.
> 
> Ciao, Duncan.

  Perhaps he want to ask if those duplicated instructions will be optimized
out by LLVM or not.

Regards,
chenwj

-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj




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