[all-commits] [llvm/llvm-project] 0ab6a1: [X86] Add support for using fast short rep mov for...

[hjyamauchi via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 0ab6a1569806783fcbf6303c462f051e9b5f764b
      https://github.com/llvm/llvm-project/commit/0ab6a1569806783fcbf6303c462f051e9b5f764b
  Author: Hiroshi Yamauchi <yamauchi at google.com>
  Date:   2020-09-09 (Wed, 09 Sep 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/lib/Target/X86/X86SelectionDAGInfo.cpp
    A llvm/test/CodeGen/X86/memcpy-inline-fsrm.ll

  Log Message:
  -----------
  [X86] Add support for using fast short rep mov for memcpy lowering.

Disabled by default behind an option.

Differential Revision: https://reviews.llvm.org/D86883