138   void addSingleLocVar(DebugVariable Var, DIExpression *Expr, DebugLoc DL,  in addSingleLocVar()
149   void addVarLoc(VarLocInsertPt Before, DebugVariable Var, DIExpression *Expr,  in addVarLoc()
264 static std::pair<Value *, DIExpression *>
266                                   DIExpression *Expression) {  in walkToAllocaAndPrependOffsetDeref()
273     Expression = DIExpression::prependOpcodes(  in walkToAllocaAndPrependOffsetDeref()
276   Expression = DIExpression::append(Expression, {dwarf::DW_OP_deref});  in walkToAllocaAndPrependOffsetDeref()
284 getDerefOffsetInBytes(const DIExpression *DIExpr) {  in getDerefOffsetInBytes()
679     const DIExpression *DIExpr = VarLoc.Expr;  in addDef()
968           DIExpression *Expr = DIExpression::get(Ctx, std::nullopt);  in run()
971             Expr = *DIExpression::createFragmentExpression(  in run()
973           Expr = DIExpression::prepend(Expr, DIExpression::DerefAfter,  in run()
1537   auto Emit = [this, Source, After, DL](Metadata *Val, DIExpression *Expr) {  in emitDbgValue()
1567       DIExpression *Expr = Assign->getAddressExpression();  in emitDbgValue()
1574         Expr = *DIExpression::createFragmentExpression(  in emitDbgValue()
1639     DIExpression *DIE = DIExpression::get(I.getContext(), std::nullopt);  in processUntaggedInstruction()
1641       auto R = DIExpression::createFragmentExpression(DIE, Frag->OffsetInBits,  in processUntaggedInstruction()
1650     DIE = DIExpression::prependOpcodes(DIE, Ops, /*StackValue=*/false,  in processUntaggedInstruction()
2091 static bool fullyContains(DIExpression::FragmentInfo A,  in fullyContains()
2092                           DIExpression::FragmentInfo B) {  in fullyContains()
2183           std::optional<DIExpression::FragmentInfo> FragInfo;  in buildOverlapMapAndRecordDeclares()
2241       DIExpression::FragmentInfo Frag = It->getFragmentOrDefault();  in buildOverlapMapAndRecordDeclares()
2251         DIExpression::FragmentInfo OtherFrag = OtherIt->getFragmentOrDefault();  in buildOverlapMapAndRecordDeclares()
2415         VarLoc.Expr = DIExpression::get(Fn.getContext(), std::nullopt);  in run()
2536         DIExpression::FragmentInfo Fragment =  in removeRedundantDbgLocsUsingBackwardScan()
2538                 DIExpression::FragmentInfo(SizeInBits, 0));  in removeRedundantDbgLocsUsingBackwardScan()
2585   DenseMap<DebugVariable, std::pair<RawLocationWrapper, DIExpression *>>  in removeRedundantDbgLocsUsingForwardScan()
2655   SmallDenseMap<DebugAggregate, SmallDenseSet<DIExpression::FragmentInfo>>  in removeUndefDbgLocsFromEntryBlock()
2669       return DIExpression::fragmentsOverlap(Frag, V.getFragmentOrDefault());  in removeUndefDbgLocsFromEntryBlock()
2674   DenseMap<DebugVariable, std::pair<Value *, DIExpression *>> VariableMap;  in removeUndefDbgLocsFromEntryBlock()