677                                               Constant *C2) {  in ConstantFoldBinaryInstruction()  argument
685       return C2;  in ConstantFoldBinaryInstruction()
686     if (C2 == Identity)  in ConstantFoldBinaryInstruction()
690     if (C2 == Identity)  in ConstantFoldBinaryInstruction()
695   if (isa<PoisonValue>(C1) || isa<PoisonValue>(C2))  in ConstantFoldBinaryInstruction()
703       (isa<UndefValue>(C1) || isa<UndefValue>(C2));  in ConstantFoldBinaryInstruction()
707       if (isa<UndefValue>(C1) && isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
716       if (isa<UndefValue>(C1) && isa<UndefValue>(C2)) // undef & undef -> undef  in ConstantFoldBinaryInstruction()
721       if (isa<UndefValue>(C1) && isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
725       if (match(C1, m_APInt(CV)) || match(C2, m_APInt(CV)))  in ConstantFoldBinaryInstruction()
736       if (match(C2, m_CombineOr(m_Undef(), m_Zero())))  in ConstantFoldBinaryInstruction()
737         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
744       if (match(C2, m_CombineOr(m_Undef(), m_Zero())))  in ConstantFoldBinaryInstruction()
745         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
749       if (isa<UndefValue>(C1) && isa<UndefValue>(C2)) // undef | undef -> undef  in ConstantFoldBinaryInstruction()
754       if (isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
755         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
760       if (isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
761         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
767       if (isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
768         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
773       if (match(C1, m_NegZeroFP()) && isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
774         return C2;  in ConstantFoldBinaryInstruction()
781       if (isa<UndefValue>(C1) && isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
800   if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()
804         return C2; // X * 0 == 0  in ConstantFoldBinaryInstruction()
820         return C2; // X & 0 == 0  in ConstantFoldBinaryInstruction()
863         return C2; // X | -1 == -1  in ConstantFoldBinaryInstruction()
886                  ? ConstantExpr::get(Opcode, C2, C1)  in ConstantFoldBinaryInstruction()
887                  : ConstantFoldBinaryInstruction(Opcode, C2, C1);  in ConstantFoldBinaryInstruction()
891     if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()
954     if (ConstantFP *CFP2 = dyn_cast<ConstantFP>(C2)) {  in ConstantFoldBinaryInstruction()
980     if (Constant *C2Splat = C2->getSplatValue()) {  in ConstantFoldBinaryInstruction()
1001         Constant *RHS = ConstantExpr::getExtractElement(C2, ExtractIdx);  in ConstantFoldBinaryInstruction()
1027       Constant *T = ConstantExpr::get(Opcode, CE1->getOperand(1), C2);  in ConstantFoldBinaryInstruction()
1031   } else if (isa<ConstantExpr>(C2)) {  in ConstantFoldBinaryInstruction()
1035       return ConstantFoldBinaryInstruction(Opcode, C2, C1);  in ConstantFoldBinaryInstruction()
1043       return ConstantExpr::getXor(C1, C2);  in ConstantFoldBinaryInstruction()
1210                                                Constant *C1, Constant *C2) {  in ConstantFoldCompareInstruction()  argument
1226   if (isa<PoisonValue>(C1) || isa<PoisonValue>(C2))  in ConstantFoldCompareInstruction()
1229   if (isa<UndefValue>(C1) || isa<UndefValue>(C2)) {  in ConstantFoldCompareInstruction()
1234     if (ICmpInst::isEquality(Predicate) || (isIntegerPredicate && C1 == C2))  in ConstantFoldCompareInstruction()
1247   if (C2->isNullValue()) {  in ConstantFoldCompareInstruction()
1262       if (isa<ConstantInt>(C2))  in ConstantFoldCompareInstruction()
1263         return ConstantExpr::getXor(C1, ConstantExpr::getNot(C2));  in ConstantFoldCompareInstruction()
1264       return ConstantExpr::getXor(ConstantExpr::getNot(C1), C2);  in ConstantFoldCompareInstruction()
1266       return ConstantExpr::getXor(C1, C2);  in ConstantFoldCompareInstruction()
1272   if (isa<ConstantInt>(C1) && isa<ConstantInt>(C2)) {  in ConstantFoldCompareInstruction()
1274     const APInt &V2 = cast<ConstantInt>(C2)->getValue();  in ConstantFoldCompareInstruction()
1276   } else if (isa<ConstantFP>(C1) && isa<ConstantFP>(C2)) {  in ConstantFoldCompareInstruction()
1278     const APFloat &C2V = cast<ConstantFP>(C2)->getValueAPF();  in ConstantFoldCompareInstruction()
1284       if (Constant *C2Splat = C2->getSplatValue())  in ConstantFoldCompareInstruction()
1304           ConstantExpr::getExtractElement(C2, ConstantInt::get(Ty, I));  in ConstantFoldCompareInstruction()
1313     if (C1 == C2) {  in ConstantFoldCompareInstruction()
1323     switch (evaluateICmpRelation(C1, C2)) {  in ConstantFoldCompareInstruction()
1408     if ((!isa<ConstantExpr>(C1) && isa<ConstantExpr>(C2)) ||  in ConstantFoldCompareInstruction()
1409         (C1->isNullValue() && !C2->isNullValue())) {  in ConstantFoldCompareInstruction()
1414       return ConstantExpr::getICmp(Predicate, C2, C1);  in ConstantFoldCompareInstruction()