Jingyue Wu 10fcea5d4b [ValueTracking] computeOverflowForSignedAdd and isKnownNonNegative ...

Summary:
Refactor, NFC

Extracts computeOverflowForSignedAdd and isKnownNonNegative from NaryReassociate to ValueTracking in case
others need it.

Reviewers: reames

Subscribers: majnemer, llvm-commits

Differential Revision: http://reviews.llvm.org/D11313

llvm-svn: 245591

2015-08-20 18:27:04 +00:00

19 KiB

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