[PATCH] D78272: [PowerPC] DAG Combine to transform shifts into multiply-high

[Amy Kwan via Phabricator via llvm-commits]

amyk updated this revision to Diff 258231.
amyk added a comment.

Updated the patch so that the combine for shifts runs not only before type legalization, but in subsequent passes, too.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D78272/new/

https://reviews.llvm.org/D78272

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/test/CodeGen/PowerPC/combine-to-mulh-shift-amount.ll
  llvm/test/CodeGen/PowerPC/mul-high.ll

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