[PATCH] D102969: [GlobalISel] Add G_SBFX/G_UBFX to computeKnownBits

[Brendon Cahoon via Phabricator via llvm-commits]

bcahoon updated this revision to Diff 347718.
bcahoon added a comment.

Addressed review comments.
Use getBitsSetFrom and getLowBitsSet to compute mask for the width operand
of G_SBFX/G_UBFX as suggested.
Added tests for computeNumSignBits for G_SBFX/G_UBFX.
Fix clang-tidy formatting issues.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102969/new/

https://reviews.llvm.org/D102969

Files:
  llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp
  llvm/unittests/CodeGen/GlobalISel/KnownBitsTest.cpp

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