[all-commits] [llvm/llvm-project] ad3649: [X86] Prefer PACKUS(AND(), AND()) to SHUFFLE(PSHUFB...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: ad36491ebb993ed53534c02030e47b4695f8fd2d
      https://github.com/llvm/llvm-project/commit/ad36491ebb993ed53534c02030e47b4695f8fd2d
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-03-26 (Thu, 26 Mar 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/shuffle-vs-trunc-256.ll
    M llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll
    M llvm/test/CodeGen/X86/vector-trunc.ll

  Log Message:
  -----------
  [X86] Prefer PACKUS(AND(),AND()) to SHUFFLE(PSHUFB(),PSHUFB()) on all targets

Extends rG9d1721ce3926 to support AVX2+ targets.