[all-commits] [llvm/llvm-project] 772aaa: [AArch64] Improve lowering of insert_vector_elt wi...

[Florian Hahn via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 772aaa602383cf82795572ebcd86b0e660f3579f
      https://github.com/llvm/llvm-project/commit/772aaa602383cf82795572ebcd86b0e660f3579f
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2020-10-28 (Wed, 28 Oct 2020)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/test/CodeGen/AArch64/arm64-vector-insertion.ll
    M llvm/test/CodeGen/AArch64/vecreduce-fadd-legalization.ll

  Log Message:
  -----------
  [AArch64] Improve lowering of insert_vector_elt with 0.0 consts.

When moving +0.0 into a float vector, we can use to vi*gpr variants of
INS.

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D90176