[PATCH] D68632: [X86] Make memcmp() use PTEST if possible and also enable AVX1

[David Zarzycki via Phabricator via llvm-commits]

davezarzycki updated this revision to Diff 225025.
davezarzycki added a comment.

Now using DAG.getAllOnesConstant()


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68632/new/

https://reviews.llvm.org/D68632

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/memcmp-minsize.ll
  test/CodeGen/X86/memcmp-optsize.ll
  test/CodeGen/X86/memcmp.ll
  test/CodeGen/X86/setcc-wide-types.ll

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