[PATCH] D64869: [SCEV] get more accurate range for AddExpr with NW flag

[ChenZheng via Phabricator via llvm-commits]

shchenz updated this revision to Diff 218590.
shchenz added a comment.

new implementation not based on `makeGuaranteedNoWrapRegion`


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64869/new/

https://reviews.llvm.org/D64869

Files:
  llvm/include/llvm/IR/ConstantRange.h
  llvm/include/llvm/IR/Operator.h
  llvm/lib/Analysis/ScalarEvolution.cpp
  llvm/lib/IR/ConstantRange.cpp
  llvm/test/Analysis/ScalarEvolution/max-trip-count.ll
  llvm/test/Analysis/ScalarEvolution/trip-count12.ll
  llvm/test/Analysis/ScalarEvolution/trip-count9.ll
  llvm/unittests/IR/ConstantRangeTest.cpp

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