610                                               Constant *C2) {  in ConstantFoldBinaryInstruction()  argument
618       return C2;  in ConstantFoldBinaryInstruction()
619     if (C2 == Identity)  in ConstantFoldBinaryInstruction()
623     if (C2 == Identity)  in ConstantFoldBinaryInstruction()
628   if (isa<PoisonValue>(C1) || isa<PoisonValue>(C2))  in ConstantFoldBinaryInstruction()
636       (isa<UndefValue>(C1) || isa<UndefValue>(C2));  in ConstantFoldBinaryInstruction()
640       if (isa<UndefValue>(C1) && isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
649       if (isa<UndefValue>(C1) && isa<UndefValue>(C2)) // undef & undef -> undef  in ConstantFoldBinaryInstruction()
654       if (isa<UndefValue>(C1) && isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
658       if (match(C1, m_APInt(CV)) || match(C2, m_APInt(CV)))  in ConstantFoldBinaryInstruction()
669       if (match(C2, m_CombineOr(m_Undef(), m_Zero())))  in ConstantFoldBinaryInstruction()
670         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
677       if (match(C2, m_CombineOr(m_Undef(), m_Zero())))  in ConstantFoldBinaryInstruction()
678         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
682       if (isa<UndefValue>(C1) && isa<UndefValue>(C2)) // undef | undef -> undef  in ConstantFoldBinaryInstruction()
687       if (isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
688         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
693       if (isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
694         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
700       if (isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
701         return PoisonValue::get(C2->getType());  in ConstantFoldBinaryInstruction()
706       if (match(C1, m_NegZeroFP()) && isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
707         return C2;  in ConstantFoldBinaryInstruction()
714       if (isa<UndefValue>(C1) && isa<UndefValue>(C2))  in ConstantFoldBinaryInstruction()
733   if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()
737         return C2; // X * 0 == 0  in ConstantFoldBinaryInstruction()
753         return C2; // X & 0 == 0  in ConstantFoldBinaryInstruction()
796         return C2; // X | -1 == -1  in ConstantFoldBinaryInstruction()
803                  ? ConstantExpr::get(Opcode, C2, C1)  in ConstantFoldBinaryInstruction()
804                  : ConstantFoldBinaryInstruction(Opcode, C2, C1);  in ConstantFoldBinaryInstruction()
808     if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()
871     if (ConstantFP *CFP2 = dyn_cast<ConstantFP>(C2)) {  in ConstantFoldBinaryInstruction()
897     if (Constant *C2Splat = C2->getSplatValue()) {  in ConstantFoldBinaryInstruction()
918         Constant *RHS = ConstantExpr::getExtractElement(C2, ExtractIdx);  in ConstantFoldBinaryInstruction()
944       Constant *T = ConstantExpr::get(Opcode, CE1->getOperand(1), C2);  in ConstantFoldBinaryInstruction()
948   } else if (isa<ConstantExpr>(C2)) {  in ConstantFoldBinaryInstruction()
952       return ConstantFoldBinaryInstruction(Opcode, C2, C1);  in ConstantFoldBinaryInstruction()
960       return ConstantExpr::getXor(C1, C2);  in ConstantFoldBinaryInstruction()
1126                                                Constant *C1, Constant *C2) {  in ConstantFoldCompareInstruction()  argument
1142   if (isa<PoisonValue>(C1) || isa<PoisonValue>(C2))  in ConstantFoldCompareInstruction()
1145   if (isa<UndefValue>(C1) || isa<UndefValue>(C2)) {  in ConstantFoldCompareInstruction()
1150     if (ICmpInst::isEquality(Predicate) || (isIntegerPredicate && C1 == C2))  in ConstantFoldCompareInstruction()
1163   if (C2->isNullValue()) {  in ConstantFoldCompareInstruction()
1178       if (isa<ConstantInt>(C2))  in ConstantFoldCompareInstruction()
1179         return ConstantExpr::getXor(C1, ConstantExpr::getNot(C2));  in ConstantFoldCompareInstruction()
1180       return ConstantExpr::getXor(ConstantExpr::getNot(C1), C2);  in ConstantFoldCompareInstruction()
1182       return ConstantExpr::getXor(C1, C2);  in ConstantFoldCompareInstruction()
1188   if (isa<ConstantInt>(C1) && isa<ConstantInt>(C2)) {  in ConstantFoldCompareInstruction()
1190     const APInt &V2 = cast<ConstantInt>(C2)->getValue();  in ConstantFoldCompareInstruction()
1192   } else if (isa<ConstantFP>(C1) && isa<ConstantFP>(C2)) {  in ConstantFoldCompareInstruction()
1194     const APFloat &C2V = cast<ConstantFP>(C2)->getValueAPF();  in ConstantFoldCompareInstruction()
1200       if (Constant *C2Splat = C2->getSplatValue())  in ConstantFoldCompareInstruction()
1220           ConstantExpr::getExtractElement(C2, ConstantInt::get(Ty, I));  in ConstantFoldCompareInstruction()
1232     if (C1 == C2) {  in ConstantFoldCompareInstruction()
1242     switch (evaluateICmpRelation(C1, C2)) {  in ConstantFoldCompareInstruction()
1327     if ((!isa<ConstantExpr>(C1) && isa<ConstantExpr>(C2)) ||  in ConstantFoldCompareInstruction()
1328         (C1->isNullValue() && !C2->isNullValue())) {  in ConstantFoldCompareInstruction()
1333       return ConstantFoldCompareInstruction(Predicate, C2, C1);  in ConstantFoldCompareInstruction()