[PATCH] D23296: [ValueTracking] Improve ValueTracking on left shift with nsw flag

Li Huang via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 22 13:59:14 PDT 2016


lihuang updated this revision to Diff 68904.

https://reviews.llvm.org/D23296

Files:
  lib/Analysis/ValueTracking.cpp
  test/Analysis/ValueTracking/known-signbit-shift.ll

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