[PATCH] D20044: [ValueTracking] Use guards to prove non-nullness of a value

[Sanjoy Das via llvm-commits]

sanjoy created this revision.
sanjoy added reviewers: apilipenko, majnemer.
sanjoy added a subscriber: llvm-commits.
Herald added a subscriber: mcrosier.

http://reviews.llvm.org/D20044

Files:
  lib/Analysis/ValueTracking.cpp
  test/Transforms/LICM/hoist-deref-load.ll

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