[PATCH] D37653: [X86] Add isel pattern infrastructure to begin recognizing when we're inserting 0s into the upper portions of a vector register and the producing instruction as already produced the zeros.

Igor Breger via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Sep 15 01:36:02 PDT 2017

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

LGTM


https://reviews.llvm.org/D37653

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