[all-commits] [llvm/llvm-project] 62b17a: [LegalizeTypes] Legalize vector rotate operations

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 62b17a76971cd17c1ebd4ce00a536b0b74af98b2
      https://github.com/llvm/llvm-project/commit/62b17a76971cd17c1ebd4ce00a536b0b74af98b2
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-10-24 (Sat, 24 Oct 2020)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetLowering.h
    M llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    A llvm/test/CodeGen/AArch64/expand-vector-rot.ll

  Log Message:
  -----------
  [LegalizeTypes] Legalize vector rotate operations

Lower vector rotate operations as long as the legalization occurs outside of LegalizeVectorOps.

This fixes https://bugs.llvm.org/show_bug.cgi?id=47320

Patch By: @rsanthir.quic (Ryan Santhirarajan)

Differential Revision: https://reviews.llvm.org/D89497