[PATCH] D70043: [ConstantRange] Add `mulWithNoWrap()` method

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 230545.
lebedev.ri marked 4 inline comments as done.
lebedev.ri edited the summary of this revision.
lebedev.ri added a comment.

Fix `OBO::NoSignedWrap` modelling - what we are trying to check there is
whether multiplication of smallest values of two ranges do/don't multiply.
So we need to actually see what values are the smallest in this range.
And by smallest we mean closest to 0.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70043/new/

https://reviews.llvm.org/D70043

Files:
  llvm/include/llvm/IR/ConstantRange.h
  llvm/lib/IR/ConstantRange.cpp
  llvm/unittests/IR/ConstantRangeTest.cpp

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