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Commit e561fee2 authored by Sanjoy Das's avatar Sanjoy Das
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[ValueTracking] Fix PR23011. 

Summary:
`ComputeNumSignBits` returns incorrect results for `srem` instructions.
This change fixes the issue and adds a test case.

Reviewers: nadav, nicholas, atrick

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8600

llvm-svn: 233225
parent 09f3ff9a
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