[all-commits] [llvm/llvm-project] ac6395: [SVE] Lower fixed length vXi8/vXi16 SDIV to scalable

[Cameron McInally via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: ac6395946060d5ff0830cd63be92f7fc20945ec0
      https://github.com/llvm/llvm-project/commit/ac6395946060d5ff0830cd63be92f7fc20945ec0
  Author: Cameron McInally <mcinally at cray.com>
  Date:   2020-08-20 (Thu, 20 Aug 2020)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.h
    A llvm/test/CodeGen/AArch64/sve-fixed-length-int-div.ll

  Log Message:
  -----------
  [SVE] Lower fixed length vXi8/vXi16 SDIV to scalable

There are no nxv16i8/nxv8i16 SDIV instructions, so these fixed width operations must be promoted to nxv4i32.

Differential Revision: https://reviews.llvm.org/D86114