am 3b370105: am 0503a6db: am 8e5fc53b: Merge "Opt compiler: Instruction simplification for HAdd, HNeg, HNot, HSub."

* commit '3b370105f6eb416655f6387766c2895502251c38':
  Opt compiler: Instruction simplification for HAdd, HNeg, HNot, HSub.