[all-commits] [llvm/llvm-project] 67fc0d: [AArch64] Remove copy instruction between uaddlv a...

[JinGu Kang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 67fc0d3d39db794b8b1280ff60c0193631e3c821
      https://github.com/llvm/llvm-project/commit/67fc0d3d39db794b8b1280ff60c0193631e3c821
  Author: Jingu Kang <jingu.kang at arm.com>
  Date:   2023-09-05 (Tue, 05 Sep 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.h
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/test/CodeGen/AArch64/aarch64-neon-vector-insert-uaddlv.ll
    M llvm/test/CodeGen/AArch64/dp1.ll
    M llvm/test/CodeGen/AArch64/neon-addlv.ll

  Log Message:
  -----------
  [AArch64] Remove copy instruction between uaddlv and dup

If there are copy instructions between uaddlv and dup for transfer from gpr to
fpr, try to remove them with duplane.

Differential Revision: https://reviews.llvm.org/D159267