[PATCH] D19210: Teach poison value tracking that certain calls always terminate

[Sanjoy Das via llvm-commits]

sanjoy created this revision.
sanjoy added reviewers: bjarke.roune, broune.
sanjoy added a subscriber: llvm-commits.
Herald added a subscriber: mcrosier.

This makes our poison value analysis a little smarter.

http://reviews.llvm.org/D19210

Files:
  lib/Analysis/ValueTracking.cpp
  test/Analysis/ScalarEvolution/flags-from-poison.ll

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