[PATCH] D11212: [SCEV] Apply NSW and NUW flags via poison value analysis

[Bjarke Hammersholt Roune]

broune updated this revision to Diff 30751.
broune added a comment.

Improve handling of case where V is a ConstantExpr in createSCEV.


http://reviews.llvm.org/D11212

Files:
  include/llvm/Analysis/ScalarEvolution.h
  include/llvm/Analysis/ValueTracking.h
  lib/Analysis/ScalarEvolution.cpp
  lib/Analysis/ValueTracking.cpp
  test/Analysis/Delinearization/multidim_ivs_and_integer_offsets_3d.ll
  test/Analysis/Delinearization/multidim_ivs_and_parameteric_offsets_3d.ll
  test/Analysis/ScalarEvolution/flags-from-poison.ll
  test/Transforms/LoopStrengthReduce/sext-ind-var.ll

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