[PATCH] D116801: [PowerPC] Avoid perfect shuffle when mask has multiple uses

[Qiu Chaofan via Phabricator via llvm-commits]

qiucf planned changes to this revision.
qiucf added a comment.

This method isn't sound, because there're many other optimizations (before perfect shuffle and vperm), these lowered shuffles shouldn't be counted.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116801/new/

https://reviews.llvm.org/D116801