[PATCH] D18777: [ValueTracking] An improvement to IR ValueTracking on Non-negative Integers

[Li Huang via llvm-commits]

lihuang updated this revision to Diff 67236.
lihuang added a comment.

Separate the non-negative shift changes to another patch. Address Sanjoy's comments.


https://reviews.llvm.org/D18777

Files:
  lib/Analysis/ValueTracking.cpp
  test/Analysis/ValueTracking/iv-known-sign.ll
  test/Transforms/BBVectorize/loop1.ll

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