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Commit d23004c3 authored by Craig Topper's avatar Craig Topper
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Introduce APInt::isSignBitSet/isSignBitClear. Use in place isSignBitSet in... 

Introduce APInt::isSignBitSet/isSignBitClear. Use in place isSignBitSet in place of isNegative in known bits tracking.

This makes statements like KnownZero.isNegative() (which means the value we're tracking is positive) less confusing.

llvm-svn: 300457
parent 7c6bf1cc
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