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

/openbsd-src/gnu/llvm/llvm/lib/Transforms/InstCombine/
H A DInstCombineAndOrXor.cpp820 APInt &UnsetBitsMask) -> bool { in foldSignedTruncationCheck() argument
824 Pred, X, UnsetBitsMask, in foldSignedTruncationCheck()
832 UnsetBitsMask = *Mask; in foldSignedTruncationCheck()
840 APInt UnsetBitsMask; in foldSignedTruncationCheck() local
841 if (!tryToDecompose(OtherICmp, X0, UnsetBitsMask)) in foldSignedTruncationCheck()
844 assert(!UnsetBitsMask.isZero() && "empty mask makes no sense."); in foldSignedTruncationCheck()
852 UnsetBitsMask = UnsetBitsMask.zext(X1->getType()->getScalarSizeInBits()); in foldSignedTruncationCheck()
862 if (!UnsetBitsMask.intersects(SignBitsMask)) in foldSignedTruncationCheck()
866 if (!UnsetBitsMask.isSubsetOf(SignBitsMask)) { in foldSignedTruncationCheck()
867 APInt OtherHighestBit = (~UnsetBitsMask) + 1U; in foldSignedTruncationCheck()