[PATCH] D69439: [APInt] Introduce APIntOps::GetPositionOfMostSignificantDifferentBit()

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri created this revision.
lebedev.ri added reviewers: nikic, spatel, sanjoy, RKSimon.
lebedev.ri added a project: LLVM.
Herald added subscribers: dexonsmith, hiraditya.
lebedev.ri added a child revision: D69387: [ConstantRange] Add toKnownBits() method.

Compare two values, and if they are different, return the position of the
most significant bit that is different in the values.

Needed for D69387 <https://reviews.llvm.org/D69387>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69439

Files:
  llvm/include/llvm/ADT/APInt.h
  llvm/lib/Support/APInt.cpp
  llvm/unittests/ADT/APIntTest.cpp

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