lib/Analysis/InstructionSimplify.cpp

1458                                          ICmpInst *UnsignedICmp, bool IsAnd,
1472     if (match(UnsignedICmp,
1479         return ConstantInt::getTrue(UnsignedICmp->getType());
1484         return ConstantInt::getFalse(UnsignedICmp->getType());
1490         return IsAnd ? UnsignedICmp : ZeroICmp;
1496         return IsAnd ? ZeroICmp : UnsignedICmp;
1502     if (match(UnsignedICmp,
1507         return UnsignedICmp;
1511         return UnsignedICmp;
1515   if (match(UnsignedICmp, m_ICmp(UnsignedPred, m_Value(X), m_Specific(Y))) &&
1518   else if (match(UnsignedICmp,
1529     return IsAnd ? ZeroICmp : UnsignedICmp;
1535     return IsAnd ? UnsignedICmp : ZeroICmp;
1545     return IsAnd ? UnsignedICmp : ZeroICmp;
1550     return IsAnd ? ZeroICmp : UnsignedICmp;
1555     return getFalse(UnsignedICmp->getType());
1560     return getTrue(UnsignedICmp->getType());