6739 static void UpdateDbgValueInst(DVIRecoveryRec &DVIRec,  in UpdateDbgValueInst()  argument
6763     if (!DVIRec.Expr->isComplex() && SalvageExpr->isComplex()) {  in UpdateDbgValueInst()
6769   if (isa<DbgValueInst *>(DVIRec.DbgRef))  in UpdateDbgValueInst()
6770     UpdateDbgValueInstImpl(cast<DbgValueInst *>(DVIRec.DbgRef));  in UpdateDbgValueInst()
6772     UpdateDbgValueInstImpl(cast<DbgVariableRecord *>(DVIRec.DbgRef));  in UpdateDbgValueInst()
6785 static void restorePreTransformState(DVIRecoveryRec &DVIRec) {  in restorePreTransformState()  argument
6789     assert(DVIRec.Expr && "Expected an expression");  in restorePreTransformState()
6790     DbgVal->setExpression(DVIRec.Expr);  in restorePreTransformState()
6794     if (!DVIRec.HadLocationArgList) {  in restorePreTransformState()
6795       assert(DVIRec.LocationOps.size() == 1 &&  in restorePreTransformState()
6801           getValueOrPoison(DVIRec.LocationOps[0], DbgVal->getContext());  in restorePreTransformState()
6805       for (WeakVH VH : DVIRec.LocationOps) {  in restorePreTransformState()
6815   if (isa<DbgValueInst *>(DVIRec.DbgRef))  in restorePreTransformState()
6816     RestorePreTransformStateImpl(cast<DbgValueInst *>(DVIRec.DbgRef));  in restorePreTransformState()
6818     RestorePreTransformStateImpl(cast<DbgVariableRecord *>(DVIRec.DbgRef));  in restorePreTransformState()
6822                        llvm::PHINode *LSRInductionVar, DVIRecoveryRec &DVIRec,  in SalvageDVI()  argument
6826   if (isa<DbgValueInst *>(DVIRec.DbgRef)  in SalvageDVI()
6827           ? !cast<DbgValueInst *>(DVIRec.DbgRef)->isKillLocation()  in SalvageDVI()
6828           : !cast<DbgVariableRecord *>(DVIRec.DbgRef)->isKillLocation())  in SalvageDVI()
6835   restorePreTransformState(DVIRec);  in SalvageDVI()
6840   LocationOpIndexMap.assign(DVIRec.LocationOps.size(), -1);  in SalvageDVI()
6844   for (unsigned i = 0; i < DVIRec.LocationOps.size(); i++) {  in SalvageDVI()
6845     WeakVH VH = DVIRec.LocationOps[i];  in SalvageDVI()
6859     if (SE.containsErasedValue(DVIRec.SCEVs[i]) ||  in SalvageDVI()
6860         SE.containsUndefs(DVIRec.SCEVs[i])) {  in SalvageDVI()
6868                       << " with SCEV: " << *DVIRec.SCEVs[i] << "\n");  in SalvageDVI()
6870     DVIRec.RecoveryExprs[i] = std::make_unique<SCEVDbgValueBuilder>();  in SalvageDVI()
6871     SCEVDbgValueBuilder *SalvageExpr = DVIRec.RecoveryExprs[i].get();  in SalvageDVI()
6876             SE.computeConstantDifference(DVIRec.SCEVs[i], SCEVInductionVar)) {  in SalvageDVI()
6879     } else if (!SalvageExpr->createIterCountExpr(DVIRec.SCEVs[i], IterCountExpr,  in SalvageDVI()
6887   if (DVIRec.Expr->getNumElements() == 0) {  in SalvageDVI()
6888     assert(DVIRec.RecoveryExprs.size() == 1 &&  in SalvageDVI()
6891     assert(DVIRec.RecoveryExprs[0] &&  in SalvageDVI()
6893     SCEVDbgValueBuilder *B = DVIRec.RecoveryExprs[0].get();  in SalvageDVI()
6896   for (const auto &Op : DVIRec.Expr->expr_ops()) {  in SalvageDVI()
6905         DVIRec.RecoveryExprs[LocationArgIndex].get();  in SalvageDVI()
6920   UpdateDbgValueInst(DVIRec, NewLocationOps, NewExpr);  in SalvageDVI()
6921   if (isa<DbgValueInst *>(DVIRec.DbgRef))  in SalvageDVI()
6923                       << *cast<DbgValueInst *>(DVIRec.DbgRef) << "\n");  in SalvageDVI()
6926                       << *cast<DbgVariableRecord *>(DVIRec.DbgRef) << "\n");  in SalvageDVI()
6960     for (auto &DVIRec : DVIToUpdate) {  in DbgRewriteSalvageableDVIs()  local
6961       SalvageDVI(L, SE, LSRInductionVar, *DVIRec, SCEVInductionVar,  in DbgRewriteSalvageableDVIs()