1506   Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);  in visitSub()  local
1511   if (Value *V = SimplifySubInst(Op0, Op1, I.hasNoSignedWrap(),  in visitSub()
1520   if (Value *V = dyn_castNegVal(Op1)) {  in visitSub()
1523     if (const auto *BO = dyn_cast<BinaryOperator>(Op1)) {  in visitSub()
1529       if (cast<Constant>(Op1)->isNotMinSignedValue() && I.hasNoSignedWrap())  in visitSub()
1537     return BinaryOperator::CreateXor(Op0, Op1);  in visitSub()
1541     return BinaryOperator::CreateNot(Op1);  in visitSub()
1546     if (match(Op1, m_Not(m_Value(X))))  in visitSub()
1550     if (SelectInst *SI = dyn_cast<SelectInst>(Op1))  in visitSub()
1556     if (match(Op1, m_Add(m_Value(X), m_Constant(C2))))  in visitSub()
1563     if (C->isNullValue() && match(Op1, m_ZExt(m_Value(X))))  in visitSub()
1565         return CastInst::CreateSExtOrBitCast(X, Op1->getType());  in visitSub()
1568     if (C->isNullValue() && match(Op1, m_SExt(m_Value(X))))  in visitSub()
1570         return CastInst::CreateZExtOrBitCast(X, Op1->getType());  in visitSub()
1579       if (match(Op1, m_LShr(m_Value(X), m_ConstantInt(CI))) &&  in visitSub()
1584       if (match(Op1, m_AShr(m_Value(X), m_ConstantInt(CI))) &&  in visitSub()
1595     if (match(Op1, m_Add(m_Specific(Op0), m_Value(Y))) ||  in visitSub()
1596         match(Op1, m_Add(m_Value(Y), m_Specific(Op0))))  in visitSub()
1600     if (match(Op0, m_Sub(m_Specific(Op1), m_Value(Y))))  in visitSub()
1607     if (match(Op1, m_Xor(m_Value(A), m_Value(B))) &&  in visitSub()
1616     if (match(Op0, m_Or(m_Value(Y), m_Specific(Op1))) ||  in visitSub()
1617         match(Op0, m_Or(m_Specific(Op1), m_Value(Y))))  in visitSub()
1619           Y, Builder->CreateNot(Op1, Op1->getName() + ".not"));  in visitSub()
1622   if (Op1->hasOneUse()) {  in visitSub()
1628     if (match(Op1, m_Sub(m_Value(Y), m_Value(Z))))  in visitSub()
1630                                       Builder->CreateSub(Z, Y, Op1->getName()));  in visitSub()
1634     if (match(Op1, m_And(m_Value(Y), m_Specific(Op0))) ||  in visitSub()
1635         match(Op1, m_And(m_Specific(Op0), m_Value(Y))))  in visitSub()
1640     if (match(Op1, m_SDiv(m_Value(X), m_Constant(C))) && match(Op0, m_Zero()) &&  in visitSub()
1645     if (match(Op1, m_Shl(m_Value(X), m_Value(Y))) && match(Op0, m_Zero()))  in visitSub()
1652     if (match(Op1, m_Mul(m_Value(A), m_Neg(m_Value(B)))) ||  in visitSub()
1653         match(Op1, m_Mul(m_Neg(m_Value(A)), m_Value(B))))  in visitSub()
1658     if (match(Op1, m_Mul(m_Value(A), m_Constant(CI))) ||  in visitSub()
1659         match(Op1, m_Mul(m_Constant(CI), m_Value(A)))) {  in visitSub()
1669       match(Op1, m_PtrToInt(m_Value(RHSOp))))  in visitSub()
1675       match(Op1, m_Trunc(m_PtrToInt(m_Value(RHSOp)))))  in visitSub()
1680   if (!I.hasNoSignedWrap() && WillNotOverflowSignedSub(Op0, Op1, I)) {  in visitSub()
1684   if (!I.hasNoUnsignedWrap() && WillNotOverflowUnsignedSub(Op0, Op1, I)) {  in visitSub()
1693   Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);  in visitFSub()  local
1699           SimplifyFSubInst(Op0, Op1, I.getFastMathFlags(), DL, TLI, DT, AC))  in visitFSub()
1705     Instruction *NewI = BinaryOperator::CreateFNeg(Op1);  in visitFSub()
1711     if (SelectInst *SI = dyn_cast<SelectInst>(Op1))  in visitFSub()
1717   if (Value *V = dyn_castFNegVal(Op1)) {  in visitFSub()
1722   if (FPTruncInst *FPTI = dyn_cast<FPTruncInst>(Op1)) {  in visitFSub()
1729   } else if (FPExtInst *FPEI = dyn_cast<FPExtInst>(Op1)) {  in visitFSub()