777   const APInt *C1 = nullptr, *C2 = nullptr;  in checkForNegativeOperand()  local
791       if (match(Y, m_Or(m_Value(Z), m_APInt(C2))) && (*C2 == ~(*C1))) {  in checkForNegativeOperand()
794       } else if (match(Y, m_And(m_Value(Z), m_APInt(C2))) && (*C1 == *C2)) {  in checkForNegativeOperand()
816       if (match(Y, m_And(m_Value(Z), m_APInt(C2))) && *C1 == (*C2 + 1)) {  in checkForNegativeOperand()
817         Value *NewOr = Builder.CreateOr(Z, ~(*C2));  in checkForNegativeOperand()
835   const APInt *C1, *C2;  in foldNoWrapAdd()  local
837       match(Op0, m_OneUse(m_ZExt(m_NUWAdd(m_Value(X), m_APInt(C2))))) &&  in foldNoWrapAdd()
838       C1->isNegative() && C1->sge(-C2->sext(C1->getBitWidth()))) {  in foldNoWrapAdd()
840         ConstantInt::get(X->getType(), *C2 + C1->trunc(C2->getBitWidth()));  in foldNoWrapAdd()
911   const APInt *C2;  in foldAddWithConstant()  local
912   if (match(Op0, m_Or(m_Value(), m_APInt(C2))) && *C2 == -*C)  in foldAddWithConstant()
913     return BinaryOperator::CreateXor(Op0, ConstantInt::get(Add.getType(), *C2));  in foldAddWithConstant()
929   if (match(Op0, m_ZExt(m_Xor(m_Value(X), m_APInt(C2)))) &&  in foldAddWithConstant()
930       C2->isMinSignedValue() && C2->sext(Ty->getScalarSizeInBits()) == *C)  in foldAddWithConstant()
933   if (match(Op0, m_Xor(m_Value(X), m_APInt(C2)))) {  in foldAddWithConstant()
935     if (C2->isSignMask())  in foldAddWithConstant()
936       return BinaryOperator::CreateAdd(X, ConstantInt::get(Ty, *C2 ^ *C));  in foldAddWithConstant()
940     if (C2->isMask()) {  in foldAddWithConstant()
942       if ((*C2 | LHSKnown.Zero).isAllOnesValue())  in foldAddWithConstant()
943         return BinaryOperator::CreateSub(ConstantInt::get(Ty, *C2 + *C), X);  in foldAddWithConstant()
950     if (Op0->hasOneUse() && *C2 == -(*C)) {  in foldAddWithConstant()
955       else if (C2->isPowerOf2())  in foldAddWithConstant()
956         ShAmt = BitWidth - C2->logBase2() - 1;  in foldAddWithConstant()
979     if (match(Op0, m_AShr(m_Shl(m_Value(X), m_APInt(C2)), m_APInt(C3))) &&  in foldAddWithConstant()
980         C2 == C3 && *C2 == Ty->getScalarSizeInBits() - 1) {  in foldAddWithConstant()
989   if (match(Op0, m_OneUse(m_And(m_Value(X), m_APInt(C2)))) &&  in foldAddWithConstant()
990       C2->isNegative() && C2->isShiftedMask() && *C == (*C & *C2)) {  in foldAddWithConstant()
992     return BinaryOperator::CreateAnd(NewAdd, ConstantInt::get(Ty, *C2));  in foldAddWithConstant()
1362   const APInt *C1, *C2;  in visitAdd()  local
1363   if (match(LHS, m_Shl(m_SDiv(m_Specific(RHS), m_APInt(C1)), m_APInt(C2)))) {  in visitAdd()
1364     APInt one(C2->getBitWidth(), 1);  in visitAdd()
1366     if (minusC1 == (one << *C2)) {  in visitAdd()
1767     Constant *C2;  in visitSub()  local
1770     if (match(Op1, m_Add(m_Value(X), m_ImmConstant(C2))))  in visitSub()
1771       return BinaryOperator::CreateSub(ConstantExpr::getSub(C, C2), X);  in visitSub()
1883     Constant *C2;  in visitSub()  local
1886     if (match(Op1, m_Sub(m_ImmConstant(C2), m_Value(X))))  in visitSub()
1887       return BinaryOperator::CreateAdd(X, ConstantExpr::getSub(C, C2));  in visitSub()