Craig Topper
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c9b3b5dd57
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[KnownBits][ValueTracking] Move the math for calculating known bits for add/sub into a static method in KnownBits object
I want to reuse this code in SimplifyDemandedBits handling of Add/Sub. This will make that easier.
Wonder if we should use it in SelectionDAG's computeKnownBits too.
Differential Revision: https://reviews.llvm.org/D36433
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310378 91177308-0d34-0410-b5e6-96231b3b80d8
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2017-08-08 16:29:35 +00:00 |
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