[PATCH] Teach ScalarEvolution to sharpen range information.

Sanjoy Das sanjoy at playingwithpointers.com
Wed Oct 15 17:03:06 PDT 2014


This change broke the `PushAndPopWithPoisoningTest` asan unit test, so I reverted it.  I'm looking into why it broke.

http://reviews.llvm.org/D5639






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