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Searched refs:KnownZeroMask (Results 1 – 1 of 1) sorted by relevance

/llvm-project-15.0.7/llvm/lib/Transforms/InstCombine/
H A DInstCombineCasts.cpp1029 APInt KnownZeroMask(~Known.Zero); in transformZExtICmp() local
1030 if (KnownZeroMask.isPowerOf2()) { // Exactly 1 possible 1? in transformZExtICmp()
1032 if (!Op1CV->isZero() && (*Op1CV != KnownZeroMask)) { in transformZExtICmp()
1039 uint32_t ShAmt = KnownZeroMask.logBase2(); in transformZExtICmp()
1394 APInt KnownZeroMask(~Known.Zero); in transformSExtICmp() local
1395 if (KnownZeroMask.isPowerOf2()) { in transformSExtICmp()
1399 if (!Op1C->isZero() && Op1C->getValue() != KnownZeroMask) { in transformSExtICmp()
1409 unsigned ShiftAmt = KnownZeroMask.countTrailingZeros(); in transformSExtICmp()
1423 unsigned ShiftAmt = KnownZeroMask.countLeadingZeros(); in transformSExtICmp()
1431 KnownZeroMask.getBitWidth() - 1), "sext"); in transformSExtICmp()