[all-commits] [llvm/llvm-project] 0e252a: [X86] Enable YMM memcmp with AVX1

[David Zarzycki via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 0e252ae19ff8d99a59d64442c38eeafa5825d441
      https://github.com/llvm/llvm-project/commit/0e252ae19ff8d99a59d64442c38eeafa5825d441
  Author: David Zarzycki <dave at znu.io>
  Date:   2019-10-31 (Thu, 31 Oct 2019)

  Changed paths:
    M llvm/lib/Target/X86/X86TargetTransformInfo.cpp
    M llvm/test/CodeGen/X86/memcmp-more-load-pairs.ll
    M llvm/test/CodeGen/X86/memcmp.ll

  Log Message:
  -----------
  [X86] Enable YMM memcmp with AVX1

Update TargetTransformInfo to allow AVX1 to use YMM registers for memcmp.

This is a follow up to D68632 which enabled XOR compares which made this possible.

https://reviews.llvm.org/D69658