llvm::computeKnownBitsFromRangeMetadata

Compute known bits from the range metadata. KnownZero the set of bits that are known to be zero KnownOne the set of bits that are known to be one

Synopsis

Declared in <llvm/Analysis/ValueTracking.h>

void
computeKnownBitsFromRangeMetadata(
    MDNode const& Ranges,
    KnownBits& Known);

Parameters

NameDescription
RangesRange metadata describing possible values.
KnownOutput known-zero and known-one bits.