[PATCH] D157187: [InstCombine] Propagate the nsw for instruction neg-sub

[Allen zhong via Phabricator via llvm-commits]

Allen updated this revision to Diff 547778.
Allen marked an inline comment as done.
Allen added a comment.

pass through the nsw flag from the caller  to avoid inspecting users according comment


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157187/new/

https://reviews.llvm.org/D157187

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
  llvm/lib/Transforms/InstCombine/InstCombineInternal.h
  llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
  llvm/lib/Transforms/InstCombine/InstCombineNegator.cpp
  llvm/test/Transforms/InstCombine/abs-intrinsic.ll
  llvm/test/Transforms/InstCombine/nsw.ll

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