[all-commits] [llvm/llvm-project] dd5991: [LoopIdiom] Transform loop containing memcpy to me...

[yurai007 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dd5991cc6f2d0b39716c4e6c9272596481f1c7ad
      https://github.com/llvm/llvm-project/commit/dd5991cc6f2d0b39716c4e6c9272596481f1c7ad
  Author: Dawid Jurczak <dawid_jurek at vp.pl>
  Date:   2021-10-08 (Fri, 08 Oct 2021)

  Changed paths:
    M llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
    M llvm/test/Transforms/LoopIdiom/basic.ll

  Log Message:
  -----------
  [LoopIdiom] Transform loop containing memcpy to memmove

The purpose of patch is to learn Loop Idiom Recognize pass how to recognize simple memmove patterns
in similar way like GCC does: https://godbolt.org/z/dKjGvTGff
It's follow-up of following change: https://reviews.llvm.org/D104464

Differential Revision: https://reviews.llvm.org/D107075