[all-commits] [llvm/llvm-project] 757384: [AArch64][SVE][InstCombine] Fold redundant zip1/2(...

[Usman Nadeem via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 757384abff38fa41877afe36c36a1850b60fef0f
      https://github.com/llvm/llvm-project/commit/757384abff38fa41877afe36c36a1850b60fef0f
  Author: Usman Nadeem <mnadeem at quicinc.com>
  Date:   2021-09-17 (Fri, 17 Sep 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    A llvm/test/Transforms/InstCombine/AArch64/sve-intrinsic-opts-zip.ll

  Log Message:
  -----------
  [AArch64][SVE][InstCombine] Fold redundant zip1/2(uzp1/2) operations

    zip1(uzp1(A, B), uzp2(A, B)) --> A
    zip2(uzp1(A, B), uzp2(A, B)) --> B

Differential Revision: https://reviews.llvm.org/D109666

Change-Id: I4a6578db2fcef9ff71ad0e77b9fe08354e6dbfcd