criswell at uiuc.edu
Wed May 20 08:05:39 PDT 2009
Perhaps a related issue is whether SSI form is valuable for other
transformations or analysis passes. If it is, then it might be worth
building general SSA->SSI and SSI->SSA transforms so that any LLVM pass
wishing to have the code in SSI form can do so.
-- John T.
Nicolas Geoffray wrote:
> OK. Is it possible to do SSI Transformation --> Array Bounds
> Optimization --> SSI undo Transformation? Or would that render useless
> the speed gained with O(1) queries?
> I think the LLVM philosophy is to favor O(1) queries, and the SSI is
> probably not increasing the program size that much. Besides, if we can
> undo, that's the approach I'd recommend.
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
More information about the llvm-dev