[PATCH] D30965: [CodeGen] Use APInt::setLowBits/setHighBits/setBitsFrom in more places

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.

This patch replaces ORs with getHighBits/getLowBits etc. with setLowBits/setHighBits/setBitsFrom.

In a few of the places we weren't ORing, but the KnownZero/KnownOne vectors were already initialized to zero. We exploit this in most places already there were just some that were inconsistent.


https://reviews.llvm.org/D30965

Files:
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp

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