[all-commits] [llvm/llvm-project] 897d92: [InstCombine] generalize 2 LSB of demanded bits fo...
Sanjay Patel via All-commits
all-commits at lists.llvm.org
Mon Feb 7 08:35:53 PST 2022
Author: Sanjay Patel <spatel at rotateright.com>
Date: 2022-02-07 (Mon, 07 Feb 2022)
[InstCombine] generalize 2 LSB of demanded bits for X*X
This is a follow-up suggested in D119060.
Instead of checking each of the bottom 2 bits individually,
we can check them together and handle the possibility that
we demand both together.
Differential Revision: https://reviews.llvm.org/D119139
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