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Author SHA1 Message Date
Kai Luo 9681dc9627 [PowerPC] Exploit `vrl(b|h|w|d)` to perform vector rotation 
Summary:
Currently, we set legalization action of `ISD::ROTL` vectors as
`Expand` in `PPCISelLowering`. However, we can exploit `vrl(b|h|w|d)`
to lower `ISD::ROTL` directly.

Differential Revision: https://reviews.llvm.org/D71324
 2019-12-23 03:04:43 +00:00