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Added APInt::clearBits() method #136550 #136557

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Added APInt::clearBits() method #136550 #136557

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6 changes: 6 additions & 0 deletions llvm/include/llvm/ADT/APInt.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1815,6 +1815,12 @@ class [[nodiscard]] APInt {
/// Clear the given bit of a bignum. Zero-based.
static void tcClearBit(WordType *, unsigned bit);

/// Set the bits from loBit (inclusive) to hiBit (exclusive) to 0.
/// This function handles "high" bits correctly (i.e. hiBit can be bigger than
/// the bit width of the APInt - in which case all bits from loBit to the end
/// of the APInt are zeroed).
void clearBits(unsigned loBit, unsigned hiBit);

/// Returns the bit number of the least or most significant set bit of a
/// number. If the input number has no bits set -1U is returned.
static unsigned tcLSB(const WordType *, unsigned n);
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