[all-commits] [llvm/llvm-project] 201d91: [AArch64][SVE] Implement reversal intrinsics

[Cullen Rhodes via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 201d91daad4fe9c0b0233a2fa15f8c5fbccea2d9
      https://github.com/llvm/llvm-project/commit/201d91daad4fe9c0b0233a2fa15f8c5fbccea2d9
  Author: Cullen Rhodes <cullen.rhodes at arm.com>
  Date:   2019-12-04 (Wed, 04 Dec 2019)

  Changed paths:
    M llvm/include/llvm/IR/IntrinsicsAArch64.td
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    A llvm/test/CodeGen/AArch64/sve-intrinsics-reversal.ll

  Log Message:
  -----------
  [AArch64][SVE] Implement reversal intrinsics

Summary:
Adds intrinsics for the following:

    * rbit
    * revb
    * revh
    * revw

Patterns are also defined to map the 'llvm.bswap.*' intrinsic to the SVE
revb instruction.

Reviewers: sdesmalen, huntergr, dancgr, rengolin, efriedma, rovka

Reviewed By: sdesmalen

Subscribers: tschuett, kristof.beyls, hiraditya, rkruppe, psnobl, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D70960