[PATCH] D95484: [GlobalISel] Implement computeKnownBits for G_SEXT_INREG

[Jessica Paquette via Phabricator via llvm-commits]

paquette created this revision.
paquette added reviewers: aemerson, arsenm.
Herald added subscribers: kerbowa, hiraditya, rovka, nhaehnle, jvesely.
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Just use the existing `Known.sextInReg` implementation.

- Update KnownBitsTest.cpp.
- Update combine-redundant-and.mir for a more concrete example.


https://reviews.llvm.org/D95484

Files:
  llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/combine-redundant-and.mir
  llvm/unittests/CodeGen/GlobalISel/KnownBitsTest.cpp

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