[PATCH] D140917: [AVR] Optimize away cpi instructions when possible

[Ayke via Phabricator via llvm-commits]

aykevl added a comment.

This patch was largely based on `X86InstrInfo::optimizeCompareInstr` in llvm/lib/Target/X86/X86InstrInfo.cpp. Of course, the X86 version is much, much larger.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140917/new/

https://reviews.llvm.org/D140917