[all-commits] [llvm/llvm-project] b5d2e2: [X86][SSE] Add initial FSHL/FSHR vXi8 lowering sup...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b5d2e232b8a11a932826b095d67c53e7564d7960
      https://github.com/llvm/llvm-project/commit/b5d2e232b8a11a932826b095d67c53e7564d7960
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-01-08 (Sat, 08 Jan 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-fshl-128.ll
    M llvm/test/CodeGen/X86/vector-fshl-256.ll
    M llvm/test/CodeGen/X86/vector-fshl-512.ll
    M llvm/test/CodeGen/X86/vector-fshr-128.ll
    M llvm/test/CodeGen/X86/vector-fshr-256.ll
    M llvm/test/CodeGen/X86/vector-fshr-512.ll

  Log Message:
  -----------
  [X86][SSE] Add initial FSHL/FSHR vXi8 lowering support

This is very similar to the existing ROTL/ROTR support for scalar shifts in LowerRotate, I think as time goes on we should be able to share much of this code in helpers between Funnel Shift + Rotation lowering.