[PATCH] D69658: [X86] Enable YMM memcmp with AVX1

[David Zarzycki via Phabricator via llvm-commits]

davezarzycki created this revision.
davezarzycki added reviewers: craig.topper, RKSimon, spatel.
davezarzycki added a project: LLVM.

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

This is a follow up to D68632 <https://reviews.llvm.org/D68632> which enabled XOR compares which made this possible.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69658

Files:
  lib/Target/X86/X86TargetTransformInfo.cpp
  test/CodeGen/X86/memcmp-more-load-pairs.ll
  test/CodeGen/X86/memcmp.ll

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