107   void addSingleLocVar(DebugVariable Var, DIExpression *Expr, DebugLoc DL,  in addSingleLocVar()
118   void addVarLoc(Instruction *Before, DebugVariable Var, DIExpression *Expr,  in addVarLoc()
213 static std::pair<Value *, DIExpression *>
215                                   DIExpression *Expression) {  in walkToAllocaAndPrependOffsetDeref()
222     Expression = DIExpression::prependOpcodes(  in walkToAllocaAndPrependOffsetDeref()
225   Expression = DIExpression::append(Expression, {dwarf::DW_OP_deref});  in walkToAllocaAndPrependOffsetDeref()
233 getDerefOffsetInBytes(const DIExpression *DIExpr) {  in getDerefOffsetInBytes()
582     const DIExpression *DIExpr = VarLoc.Expr;  in addDef()
857           DIExpression *Expr = DIExpression::get(Ctx, std::nullopt);  in run()
858           Expr = *DIExpression::createFragmentExpression(  in run()
860           Expr = DIExpression::prepend(Expr, DIExpression::DerefAfter,  in run()
1245   auto Emit = [this, Source, After, DL](Value *Val, DIExpression *Expr) {  in emitDbgValue()
1274       DIExpression *Expr = DAI->getAddressExpression();  in emitDbgValue()
1281         Expr = *DIExpression::createFragmentExpression(  in emitDbgValue()
1349     DIExpression *DIE = DIExpression::get(I.getContext(), std::nullopt);  in processUntaggedInstruction()
1351       auto R = DIExpression::createFragmentExpression(DIE, Frag->OffsetInBits,  in processUntaggedInstruction()
1360     DIE = DIExpression::prependOpcodes(DIE, Ops, /*StackValue=*/false,  in processUntaggedInstruction()
1794 static bool fullyContains(DIExpression::FragmentInfo A,  in fullyContains()
1795                           DIExpression::FragmentInfo B) {  in fullyContains()
1861           std::optional<DIExpression::FragmentInfo> FragInfo =  in buildOverlapMapAndRecordDeclares()
1862               [&Info, DAI]() -> std::optional<DIExpression::FragmentInfo> {  in buildOverlapMapAndRecordDeclares()
1863             DIExpression::FragmentInfo F;  in buildOverlapMapAndRecordDeclares()
1907       DIExpression::FragmentInfo Frag = It->getFragmentOrDefault();  in buildOverlapMapAndRecordDeclares()
1917         DIExpression::FragmentInfo OtherFrag = OtherIt->getFragmentOrDefault();  in buildOverlapMapAndRecordDeclares()
2067         VarLoc.Expr = DIExpression::get(Fn.getContext(), std::nullopt);  in run()
2207   DenseMap<DebugVariable, std::pair<Value *, DIExpression *>> VariableMap;  in removeRedundantDbgLocsUsingForwardScan()
2270   SmallDenseMap<DebugAggregate, SmallDenseSet<DIExpression::FragmentInfo>>  in removeUndefDbgLocsFromEntryBlock()
2284       return DIExpression::fragmentsOverlap(Frag, V.getFragmentOrDefault());  in removeUndefDbgLocsFromEntryBlock()
2289   DenseMap<DebugVariable, std::pair<Value *, DIExpression *>> VariableMap;  in removeUndefDbgLocsFromEntryBlock()