[all-commits] [llvm/llvm-project] 760d4d: [AArch64] Sink splat shuffles to lane index intrin...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 760d4d03d5d3fc0e0d6e4222f670e5fd068645f2
      https://github.com/llvm/llvm-project/commit/760d4d03d5d3fc0e0d6e4222f670e5fd068645f2
  Author: David Green <david.green at arm.com>
  Date:   2021-11-22 (Mon, 22 Nov 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/sinksplat.ll
    M llvm/test/Transforms/CodeGenPrepare/AArch64/sink-free-instructions.ll

  Log Message:
  -----------
  [AArch64] Sink splat shuffles to lane index intrinsics

This teaches AArch64TargetLowering::shouldSinkOperands to sink splat
shuffles to certain neon intrinsics, so that they can make use of the
lane variants of the instructions that are available.

Differential Revision: https://reviews.llvm.org/D112994