[PATCH] D28121: [AVR] Optimize 16-bit ORs with '0'

[Anmol P. Paralkar via Phabricator via llvm-commits]

anmol created this revision.
anmol added a reviewer: dylanmckay.
anmol added a subscriber: llvm-commits.

Fixes PR 31344


https://reviews.llvm.org/D28121

Files:
  lib/Target/AVR/AVRExpandPseudoInsts.cpp
  test/CodeGen/AVR/PR31344.ll
  test/CodeGen/AVR/integration/blink.ll

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