[all-commits] [llvm/llvm-project] 53dd72: [SVE][CodeGen] Lower SDIV & UDIV to SVE intrinsics

[kmclaughlin-arm via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 53dd72a87aeb13de7f10a6b9b468e1baffbf7773
      https://github.com/llvm/llvm-project/commit/53dd72a87aeb13de7f10a6b9b468e1baffbf7773
  Author: Kerry McLaughlin <kerry.mclaughlin at arm.com>
  Date:   2020-04-24 (Fri, 24 Apr 2020)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.h
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    A llvm/test/CodeGen/AArch64/llvm-ir-to-intrinsic.ll

  Log Message:
  -----------
  [SVE][CodeGen] Lower SDIV & UDIV to SVE intrinsics

Summary:
This patch maps IR operations for sdiv & udiv to the
@llvm.aarch64.sve.[s|u]div intrinsics.

A ptrue must be created during lowering as the div instructions
have only a predicated form.

Patch contains changes by Andrzej Warzynski.

Reviewers: sdesmalen, c-rhodes, efriedma, cameron.mcinally, rengolin

Reviewed By: efriedma

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

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D78569