427   Instruction *AltOp = nullptr;  member
435     return AltOp ? AltOp->getOpcode() : 0;  in getAltOpcode()
439   bool isAltShuffle() const { return AltOp != MainOp; }  in isAltShuffle()
447   InstructionsState(Value *OpValue, Instruction *MainOp, Instruction *AltOp)  in InstructionsState()
448       : OpValue(OpValue), MainOp(MainOp), AltOp(AltOp) {}  in InstructionsState()
1950                 OperandData &AltOp = getData(OpIdx, Lane);  in reorder()  local
1952                     getSameOpcode({MainAltOps[OpIdx].front(), AltOp.V});  in reorder()
1954                   MainAltOps[OpIdx].push_back(AltOp.V);  in reorder()
2322     Instruction *AltOp = nullptr;  member
2383     bool isAltShuffle() const { return MainOp != AltOp; }  in isAltShuffle()
2403       AltOp = S.AltOp;  in setOperations()
2411       return AltOp;  in getAltOp()
2420       return AltOp ? AltOp->getOpcode() : 0;  in getAltOpcode()
2468       if (AltOp)  in dump()
2469         dbgs() << *AltOp << "\n";  in dump()
4600       !(S.MainOp && isa<Instruction>(S.MainOp) && S.MainOp == S.AltOp &&  in buildTree_rec()
4663     bool IsCommutative = isCommutative(S.MainOp) || isCommutative(S.AltOp);  in buildTree_rec()
5479           CmpInst::Predicate AltP0 = cast<CmpInst>(S.AltOp)->getPredicate();  in buildTree_rec()
5493               if (CI != Cmp && S.AltOp != Cmp &&  in buildTree_rec()
5792                                    const Instruction *AltOp) {  in isAlternateInstruction()  argument
5794     auto *AltCI0 = cast<CmpInst>(AltOp);  in isAlternateInstruction()
5808   return I->getOpcode() == AltOp->getOpcode();  in isAlternateInstruction()