[all-commits] [llvm/llvm-project] 75d850: [X86] LowerRotate - enable ROTL vXi16 rotate-by-sp...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 75d8507e456f3de82bd614625803a7f3555d89d9
      https://github.com/llvm/llvm-project/commit/75d8507e456f3de82bd614625803a7f3555d89d9
  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-rot-128.ll
    M llvm/test/CodeGen/X86/vector-rotate-128.ll

  Log Message:
  -----------
  [X86] LowerRotate - enable ROTL vXi16 rotate-by-splat-amount on pre-AVX targets

To enable this on all targets there's still a number of regressions due to getSplatValue/getTargetVShiftNode but these don't really affect pre-AVX targets.