[SelectionDAG] Use KnownBits::countMinSignBits() to simplify the end of ComputeNumSig...
authorCraig Topper <craig.topper@sifive.com>
Sat, 1 Jan 2022 01:29:57 +0000 (17:29 -0800)
committerCraig Topper <craig.topper@sifive.com>
Sat, 1 Jan 2022 01:29:57 +0000 (17:29 -0800)
commit243b7aaf51e8ad04910ea1f8779db07d6fee2481
treeb93d553d9801b00bb1e7ce63e9104bbdea995312
parentd00e438cfe7ef6af6654810a34ef461988e93172
[SelectionDAG] Use KnownBits::countMinSignBits() to simplify the end of ComputeNumSignBits.

This matches what is done in ValueTracking.cpp

Reviewed By: RKSimon, foad

Differential Revision: https://reviews.llvm.org/D116423
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp