[all-commits] [llvm/llvm-project] fac172: [X86] lowerV64I8Shuffle - don't use lowerShuffleWi...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fac17299243b8bf87266aa47984b398ce72089f2
      https://github.com/llvm/llvm-project/commit/fac17299243b8bf87266aa47984b398ce72089f2
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-03-31 (Thu, 31 Mar 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp

  Log Message:
  -----------
  [X86] lowerV64I8Shuffle - don't use lowerShuffleWithPERMV until we've tried simpler options

Shuffle combining will still lower to this with better fast cross lane checks.

Noticed while triaging Issue #54658


  Commit: 535211c3ebf057b3542dd41abdf5e1d4798b985f
      https://github.com/llvm/llvm-project/commit/535211c3ebf057b3542dd41abdf5e1d4798b985f
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-03-31 (Thu, 31 Mar 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp

  Log Message:
  -----------
  [X86] Remove redundant FIXME

lowerV64I8Shuffle has been extended a lot since this was added.


Compare: https://github.com/llvm/llvm-project/compare/65bdeddb1e5c...535211c3ebf0