[PATCH] D33715: [PPC] exploit rotate-left-then-mask-insert instructions for bitfield insert

[Hiroshi Inoue via Phabricator via llvm-commits]

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BitPermutationSelector has been enhanced to generate better code for bitfield insert. So we do not need to specially handle bitfield insert anymore.
https://reviews.llvm.org/D49076


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https://reviews.llvm.org/D33715