[all-commits] [llvm/llvm-project] e7e204: [X86][AVX] Attempt to lower v16i32/v16f32 shuffles...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: e7e204a373683a09978be2b1df8783ba26fe43a4
      https://github.com/llvm/llvm-project/commit/e7e204a373683a09978be2b1df8783ba26fe43a4
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-06-23 (Tue, 23 Jun 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll

  Log Message:
  -----------
  [X86][AVX] Attempt to lower v16i32/v16f32 shuffles with lowerShuffleAsRepeatedMaskAndLanePermute

Avoids prematurely creating permps/permd variable shuffles.

Fixes PR46249