[all-commits] [llvm/llvm-project] 657e42: [X86] Fix 48/96 byte memcmp code gen

[David Zarzycki via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 657e4240b15ffb8a24c5a704a927a7848f3f40ee
      https://github.com/llvm/llvm-project/commit/657e4240b15ffb8a24c5a704a927a7848f3f40ee
  Author: David Zarzycki <dave at znu.io>
  Date:   2019-10-28 (Mon, 28 Oct 2019)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/memcmp.ll

  Log Message:
  -----------
  [X86] Fix 48/96 byte memcmp code gen

Detect scalar ISD::ZERO_EXTEND generated by memcmp lowering and convert
it to ISD::INSERT_SUBVECTOR.

https://reviews.llvm.org/D69464