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0799eb1140
Summary: Allow hoisting of loads from values marked with dereferenceable_or_null attribute. For values marked with the attribute perform context-sensitive analysis to determine whether it's known-non-null or not. Patch by Artur Pilipenko! Reviewers: hfinkel, sanjoy, reames Reviewed By: reames Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D9253 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237593 91177308-0d34-0410-b5e6-96231b3b80d8