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

/freebsd-12.1/contrib/llvm/lib/Transforms/InstCombine/
H A DInstCombineCasts.cpp890 APInt KnownZeroMask(~Known.Zero); in transformZExtICmp() local
891 if (KnownZeroMask.isPowerOf2()) { // Exactly 1 possible 1? in transformZExtICmp()
895 if (!Op1CV->isNullValue() && (*Op1CV != KnownZeroMask)) { in transformZExtICmp()
902 uint32_t ShAmt = KnownZeroMask.logBase2(); in transformZExtICmp()
1256 APInt KnownZeroMask(~Known.Zero); in transformSExtICmp() local
1257 if (KnownZeroMask.isPowerOf2()) { in transformSExtICmp()
1261 if (!Op1C->isZero() && Op1C->getValue() != KnownZeroMask) { in transformSExtICmp()
1271 unsigned ShiftAmt = KnownZeroMask.countTrailingZeros(); in transformSExtICmp()
1285 unsigned ShiftAmt = KnownZeroMask.countLeadingZeros(); in transformSExtICmp()
1293 KnownZeroMask.getBitWidth() - 1), "sext"); in transformSExtICmp()