[PATCH] D18511: AVX-512: Fixed ICMP instruction selection for i1 operand

[Elena Demikhovsky via llvm-commits]

delena created this revision.
delena added a reviewer: igorb.
delena added a subscriber: llvm-commits.
delena set the repository for this revision to rL LLVM.

ICMP instruction selection fails on SKX and KNL for i1 operand.
I use XOR to resolve:
(A == B) is equivalent to (A xor B) == 0

Repository:
  rL LLVM

http://reviews.llvm.org/D18511

Files:
  ../lib/Target/X86/X86ISelLowering.cpp
  ../test/CodeGen/X86/avx512-cmp.ll

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