[PATCH] D65267: [PowerPC][PreEmitPeephole] Remove redundant copies of immediate numbers after TailDup

[Jinsong Ji via Phabricator via llvm-commits]

jsji added a comment.

Have you considered extend MachineCopyPropagation to cover this? Looks like to me that this is a 'backward' COPY propagation.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65267/new/

https://reviews.llvm.org/D65267