[PATCH] D34242: [InstCombine] canonicalize icmp predicate feeding select
Davide Italiano via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Jun 17 16:33:45 PDT 2017
davide added a comment.
If the goal of this is to expose more opportunities for congruent expressions maybe GVN itself should do this canonicalization, maybe? Some algorithms perform, e.g., reassociation to catch more cases.
See, e.g.
http://www.sable.mcgill.ca/~hendren/621/karthikhandouts.pdf
https://reviews.llvm.org/D34242
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