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

[Li Huang via llvm-commits]

lihuang updated this revision to Diff 52738.
lihuang added a comment.

Make a separate patch for changes in ValueTracking.cpp. Updated the tests. Changes in IndVarSimplify.cpp will go to another diff.

This change fails a front-end test (Frontend/optimization-remark-options.c), but the change in IndVarSimplify.cpp will fix this test.


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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