[all-commits] [llvm/llvm-project] 22e508: [X86][AVX] Reduce unary target shuffles width if t...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 22e50833e9564f6be75fcbbabe9d75ca745e778d
      https://github.com/llvm/llvm-project/commit/22e50833e9564f6be75fcbbabe9d75ca745e778d
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-05-31 (Sun, 31 May 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/avx512-intrinsics-fast-isel.ll
    M llvm/test/CodeGen/X86/vector-reduce-mul.ll
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll

  Log Message:
  -----------
  [X86][AVX] Reduce unary target shuffles width if the upper elements aren't demanded.