124 struct VerifierSupport {  struct
125   raw_ostream *OS;
126   const Module &M;
127   ModuleSlotTracker MST;
128   Triple TT;
129   const DataLayout &DL;
130   LLVMContext &Context;
133   bool Broken = false;
135   bool BrokenDebugInfo = false;
137   bool TreatBrokenDebugInfoAsError = true;
139   explicit VerifierSupport(raw_ostream *OS, const Module &M)  in VerifierSupport()  function
144   void Write(const Module *M) {  in Write()
148   void Write(const Value *V) {  in Write()
153   void Write(const Value &V) {  in Write()
163   void Write(const Metadata *MD) {  in Write()
170   template <class T> void Write(const MDTupleTypedArrayWrapper<T> &MD) {  in Write()
174   void Write(const NamedMDNode *NMD) {  in Write()
181   void Write(Type *T) {  in Write()
187   void Write(const Comdat *C) {  in Write()
193   void Write(const APInt *AI) {  in Write()
199   void Write(const unsigned i) { *OS << i << '\n'; }  in Write()
202   void Write(const Attribute *A) {  in Write()
209   void Write(const AttributeSet *AS) {  in Write()
216   void Write(const AttributeList *AL) {  in Write()
222   template <typename T> void Write(ArrayRef<T> Vs) {  in Write()
228   void WriteTs(const T1 &V1, const Ts &... Vs) {  in WriteTs()
233   template <typename... Ts> void WriteTs() {}  in WriteTs()
240   void CheckFailed(const Twine &Message) {  in CheckFailed()
251   void CheckFailed(const Twine &Message, const T1 &V1, const Ts &... Vs) {  in CheckFailed()
258   void DebugInfoCheckFailed(const Twine &Message) {  in DebugInfoCheckFailed()
267   void DebugInfoCheckFailed(const Twine &Message, const T1 &V1,  in DebugInfoCheckFailed()