[llvm-commits] Please Review: AVX code optimization

Nick Lewycky nicholas at mxc.ca
Wed Jul 11 01:46:34 PDT 2012


Demikhovsky, Elena wrote:
> I wrote an optimization for extractelement - insertelement sequences.
> Please review.

It looks like this is a dagcombine to turn insertelement+extractelement 
pairs into vector shuffles. Perhaps I'm missing a good reason, but why 
not do this as an IR optimization?

Nick



More information about the llvm-commits mailing list