[PATCH] D55126: [DAGCombiner] narrow truncated vector binops when legal

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.

LGTM - if you're not going to work on simplifying/removing X86's combineTruncatedArithmetic immediately please add a TODO comment.


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https://reviews.llvm.org/D55126