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Commit 6794eb8b authored by Craig Topper's avatar Craig Topper
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[SelectionDAG] Cleanup the SIGN_EXTEND_INREG handling in computeKnownBits. NFCI 

Use less temporary APInts. Use bit counting more. Don't call getScalarSizeInBits so many places, just capture it once.

llvm-svn: 315671
parent bde7abe9
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