170     Constant *C1, *C2;  in visitMul()  local
172     if (match(&I, m_Mul(m_Shl(m_Value(NewOp), m_Constant(C2)),  in visitMul()
176       Constant *Shl = ConstantExpr::getShl(C1, C2);  in visitMul()
696 static bool multiplyOverflows(const APInt &C1, const APInt &C2, APInt &Product,  in multiplyOverflows()  argument
699   Product = IsSigned ? C1.smul_ov(C2, Overflow) : C1.umul_ov(C2, Overflow);  in multiplyOverflows()
704 static bool isMultiple(const APInt &C1, const APInt &C2, APInt &Quotient,  in isMultiple()  argument
706   assert(C1.getBitWidth() == C2.getBitWidth() && "Constant widths not equal");  in isMultiple()
709   if (C2.isNullValue())  in isMultiple()
713   if (IsSigned && C1.isMinSignedValue() && C2.isAllOnesValue())  in isMultiple()
718     APInt::sdivrem(C1, C2, Quotient, Remainder);  in isMultiple()
720     APInt::udivrem(C1, C2, Quotient, Remainder);  in isMultiple()
743   const APInt *C2;  in commonIDivTransforms()  local
744   if (match(Op1, m_APInt(C2))) {  in commonIDivTransforms()
752       if (!multiplyOverflows(*C1, *C2, Product, IsSigned))  in commonIDivTransforms()
762       if (isMultiple(*C2, *C1, Quotient, IsSigned)) {  in commonIDivTransforms()
770       if (isMultiple(*C1, *C2, Quotient, IsSigned)) {  in commonIDivTransforms()
788       if (isMultiple(*C2, C1Shifted, Quotient, IsSigned)) {  in commonIDivTransforms()
796       if (isMultiple(C1Shifted, *C2, Quotient, IsSigned)) {  in commonIDivTransforms()
806     if (!C2->isNullValue()) // avoid X udiv 0  in commonIDivTransforms()
1021   const APInt *C1, *C2;  in visitUDiv()  local
1022   if (match(Op0, m_LShr(m_Value(X), m_APInt(C1))) && match(Op1, m_APInt(C2))) {  in visitUDiv()
1025     APInt C2ShlC1 = C2->ushl_ov(*C1, Overflow);  in visitUDiv()
1265   Constant *C2, *NewC = nullptr;  in foldFDivConstantDividend()  local
1266   if (match(I.getOperand(1), m_FMul(m_Value(X), m_Constant(C2)))) {  in foldFDivConstantDividend()
1268     NewC = ConstantExpr::getFDiv(C, C2);  in foldFDivConstantDividend()
1269   } else if (match(I.getOperand(1), m_FDiv(m_Value(X), m_Constant(C2)))) {  in foldFDivConstantDividend()
1271     NewC = ConstantExpr::getFMul(C, C2);  in foldFDivConstantDividend()