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

[Li Huang via llvm-commits]

lihuang updated this revision to Diff 62032.
lihuang added a comment.

Rebase the same patch on the latest source.

This ValueTracking change breaks a FE test (clang/test/Frontend/optimization-remark-options.c), but now the test could be fixed by http://reviews.llvm.org/D18777 and http://reviews.llvm.org/D21773.


http://reviews.llvm.org/D18777

Files:
  lib/Analysis/ValueTracking.cpp
  test/Analysis/ValueTracking/known-non-negative.ll
  test/Transforms/BBVectorize/loop1.ll

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