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* [AliasAnalysis] Teach BasicAA about memcpy.Bryant Wong2016-12-251-2/+2
| | | | | | Differential Revision: https://reviews.llvm.org/D27034 llvm-svn: 290526
* [BasicAA] Guard intrinsics don't write to memorySanjoy Das2016-05-101-0/+30
Summary: The idea is very close to what we do for assume intrinsics: we mark the guard intrinsics as writing to arbitrary memory to maintain control dependence, but under the covers we teach AA that they do not mod any particular memory location. Reviewers: chandlerc, hfinkel, gbiv, reames Subscribers: george.burgess.iv, mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D19575 llvm-svn: 269007
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