Summary: Use nonnull and dereferenceable from an assume bundle in isKnownNonZero Reviewers: jdoerfert, nikic, lebedev.ri, reames, fhahn, sstefan1 Reviewed By: jdoerfert Subscribers: fhahn, hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D76149