224     Constant *C1, *C2;  in visitMul()  local
226     if (match(&I, m_Mul(m_Shl(m_Value(NewOp), m_Constant(C2)),  in visitMul()
230       Constant *Shl = ConstantExpr::getShl(C1, C2);  in visitMul()
915 static bool multiplyOverflows(const APInt &C1, const APInt &C2, APInt &Product,  in multiplyOverflows()  argument
918   Product = IsSigned ? C1.smul_ov(C2, Overflow) : C1.umul_ov(C2, Overflow);  in multiplyOverflows()
923 static bool isMultiple(const APInt &C1, const APInt &C2, APInt &Quotient,  in isMultiple()  argument
925   assert(C1.getBitWidth() == C2.getBitWidth() && "Constant widths not equal");  in isMultiple()
928   if (C2.isZero())  in isMultiple()
932   if (IsSigned && C1.isMinSignedValue() && C2.isAllOnes())  in isMultiple()
937     APInt::sdivrem(C1, C2, Quotient, Remainder);  in isMultiple()
939     APInt::udivrem(C1, C2, Quotient, Remainder);  in isMultiple()
1055   const APInt *C2;  in commonIDivTransforms()  local
1056   if (match(Op1, m_APInt(C2))) {  in commonIDivTransforms()
1064       if (!multiplyOverflows(*C1, *C2, Product, IsSigned))  in commonIDivTransforms()
1069     APInt Quotient(C2->getBitWidth(), /*val=*/0ULL, IsSigned);  in commonIDivTransforms()
1074       if (isMultiple(*C2, *C1, Quotient, IsSigned)) {  in commonIDivTransforms()
1082       if (isMultiple(*C1, *C2, Quotient, IsSigned)) {  in commonIDivTransforms()
1100       if (isMultiple(*C2, C1Shifted, Quotient, IsSigned)) {  in commonIDivTransforms()
1108       if (isMultiple(C1Shifted, *C2, Quotient, IsSigned)) {  in commonIDivTransforms()
1123         match(Op0, m_NSWAdd(m_NSWMul(m_Value(X), m_SpecificInt(*C2)),  in commonIDivTransforms()
1125         isMultiple(*C1, *C2, Quotient, IsSigned)) {  in commonIDivTransforms()
1129         match(Op0, m_NUWAdd(m_NUWMul(m_Value(X), m_SpecificInt(*C2)),  in commonIDivTransforms()
1132                                           ConstantInt::get(Ty, C1->udiv(*C2)));  in commonIDivTransforms()
1135     if (!C2->isZero()) // avoid X udiv 0  in commonIDivTransforms()
1230       const APInt *C1, *C2;  in commonIDivTransforms()  local
1238         if (match(A, m_APInt(C1)) && match(B, m_APInt(C2)) && C2->ule(*C1))  in commonIDivTransforms()
1392   const APInt *C1, *C2;  in visitUDiv()  local
1393   if (match(Op0, m_LShr(m_Value(X), m_APInt(C1))) && match(Op1, m_APInt(C2))) {  in visitUDiv()
1396     APInt C2ShlC1 = C2->ushl_ov(*C1, Overflow);  in visitUDiv()
1647   Constant *C2, *NewC = nullptr;  in foldFDivConstantDividend()  local
1648   if (match(I.getOperand(1), m_FMul(m_Value(X), m_Constant(C2)))) {  in foldFDivConstantDividend()
1650     NewC = ConstantFoldBinaryOpOperands(Instruction::FDiv, C, C2, DL);  in foldFDivConstantDividend()
1651   } else if (match(I.getOperand(1), m_FDiv(m_Value(X), m_Constant(C2)))) {  in foldFDivConstantDividend()
1653     NewC = ConstantFoldBinaryOpOperands(Instruction::FMul, C, C2, DL);  in foldFDivConstantDividend()