[LLVMdev] llvm-java

John Criswell criswell at uiuc.edu
Wed May 20 08:05:39 PDT 2009

Dear All,

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:
> [snip]
> 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.
> Thanks,
> Nicolas
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