[AVR] Optimize 16-bit comparison with constant
authorBen Shi <powerman1st@163.com>
Sat, 23 Jan 2021 16:38:57 +0000 (00:38 +0800)
committerBen Shi <powerman1st@163.com>
Sat, 23 Jan 2021 16:38:57 +0000 (00:38 +0800)
commit1eb8c5cd35ed0f3e06ea77a93824901f680ca1ed
tree20894910093c5c60b2de44ba423edc9ebe95e91a
parenta6f02212764a76935ec5fb704fe86a1a76f65745
[AVR] Optimize 16-bit comparison with constant

Reviewed By: dylanmckay

Differential Revision: https://reviews.llvm.org/D93976
llvm/lib/Target/AVR/AVRISelLowering.cpp
llvm/lib/Target/AVR/AVRISelLowering.h
llvm/test/CodeGen/AVR/cmp.ll