762   const APInt *C1 = nullptr, *C2 = nullptr;  in checkForNegativeOperand()  local
776       if (match(Y, m_Or(m_Value(Z), m_APInt(C2))) && (*C2 == ~(*C1))) {  in checkForNegativeOperand()
779       } else if (match(Y, m_And(m_Value(Z), m_APInt(C2))) && (*C1 == *C2)) {  in checkForNegativeOperand()
801       if (match(Y, m_And(m_Value(Z), m_APInt(C2))) && *C1 == (*C2 + 1)) {  in checkForNegativeOperand()
802         Value *NewOr = Builder.CreateOr(Z, ~(*C2));  in checkForNegativeOperand()
820   const APInt *C1, *C2;  in foldNoWrapAdd()  local
822       match(Op0, m_OneUse(m_ZExt(m_NUWAdd(m_Value(X), m_APInt(C2))))) &&  in foldNoWrapAdd()
823       C1->isNegative() && C1->sge(-C2->sext(C1->getBitWidth()))) {  in foldNoWrapAdd()
825         ConstantInt::get(X->getType(), *C2 + C1->trunc(C2->getBitWidth()));  in foldNoWrapAdd()
910   const APInt *C2;  in foldAddWithConstant()  local
911   if (match(Op0, m_Or(m_Value(), m_APInt(C2))) && *C2 == -*C)  in foldAddWithConstant()
912     return BinaryOperator::CreateXor(Op0, ConstantInt::get(Add.getType(), *C2));  in foldAddWithConstant()
927   if (match(Op0, m_ZExt(m_Xor(m_Value(X), m_APInt(C2)))) &&  in foldAddWithConstant()
928       C2->isMinSignedValue() && C2->sext(Ty->getScalarSizeInBits()) == *C)  in foldAddWithConstant()
931   if (match(Op0, m_Xor(m_Value(X), m_APInt(C2)))) {  in foldAddWithConstant()
933     if (C2->isSignMask())  in foldAddWithConstant()
934       return BinaryOperator::CreateAdd(X, ConstantInt::get(Ty, *C2 ^ *C));  in foldAddWithConstant()
938     if (C2->isMask()) {  in foldAddWithConstant()
940       if ((*C2 | LHSKnown.Zero).isAllOnes())  in foldAddWithConstant()
941         return BinaryOperator::CreateSub(ConstantInt::get(Ty, *C2 + *C), X);  in foldAddWithConstant()
948     if (Op0->hasOneUse() && *C2 == -(*C)) {  in foldAddWithConstant()
953       else if (C2->isPowerOf2())  in foldAddWithConstant()
954         ShAmt = BitWidth - C2->logBase2() - 1;  in foldAddWithConstant()
977     if (match(Op0, m_AShr(m_Shl(m_Value(X), m_APInt(C2)), m_APInt(C3))) &&  in foldAddWithConstant()
978         C2 == C3 && *C2 == Ty->getScalarSizeInBits() - 1) {  in foldAddWithConstant()
1533     Constant *C1, *C2;  in visitAdd()  local
1535                           m_Sub(m_ImmConstant(C2), m_Value(B)))) &&  in visitAdd()
1538       return BinaryOperator::CreateAdd(Sub, ConstantExpr::getAdd(C1, C2));  in visitAdd()
1554   const APInt *C1, *C2;  in visitAdd()  local
1555   if (match(LHS, m_Shl(m_SDiv(m_Specific(RHS), m_APInt(C1)), m_APInt(C2)))) {  in visitAdd()
1556     APInt one(C2->getBitWidth(), 1);  in visitAdd()
1558     if (minusC1 == (one << *C2)) {  in visitAdd()
2158     Constant *C2;  in visitSub()  local
2161     if (match(Op1, m_Add(m_Value(X), m_ImmConstant(C2)))) {  in visitSub()
2164       bool WillNotSOV = willNotOverflowSignedSub(C, C2, I);  in visitSub()
2166           BinaryOperator::CreateSub(ConstantExpr::getSub(C, C2), X);  in visitSub()
2325     Constant *C2;  in visitSub()  local
2328     if (match(Op1, m_Sub(m_ImmConstant(C2), m_Value(X))))  in visitSub()
2329       return BinaryOperator::CreateAdd(X, ConstantExpr::getSub(C, C2));  in visitSub()
2346     const APInt *C2, *C3;  in visitSub()  local
2348     if (match(Op1, m_OneUse(m_And(m_BinOp(InnerSub), m_APInt(C2)))) &&  in visitSub()
2350         (InnerSub->hasNoUnsignedWrap() || C2->isNegatedPowerOf2())) {  in visitSub()
2351       APInt C2AndC3 = *C2 & *C3;  in visitSub()
2353       APInt C2AddC3 = *C2 + *C3;  in visitSub()
2356         Value *And = Builder.CreateAnd(X, ConstantInt::get(I.getType(), *C2));  in visitSub()