vendor/llvm/llvm-trunk-r338150

1 files changed, 647 insertions, 47 deletions

diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index 7fff7526b926..77585ee30cd8 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -61,49 +61,60 @@ void DebugInfoFinder::reset() {
 }
 
 void DebugInfoFinder::processModule(const Module &M) {
-  for (auto *CU : M.debug_compile_units()) {
-    addCompileUnit(CU);
-    for (auto DIG : CU->getGlobalVariables()) {
-      if (!addGlobalVariable(DIG))
-        continue;
-      auto *GV = DIG->getVariable();
-      processScope(GV->getScope());
-      processType(GV->getType().resolve());
-    }
-    for (auto *ET : CU->getEnumTypes())
-      processType(ET);
-    for (auto *RT : CU->getRetainedTypes())
-      if (auto *T = dyn_cast<DIType>(RT))
-        processType(T);
-      else
-        processSubprogram(cast<DISubprogram>(RT));
-    for (auto *Import : CU->getImportedEntities()) {
-      auto *Entity = Import->getEntity().resolve();
-      if (auto *T = dyn_cast<DIType>(Entity))
-        processType(T);
-      else if (auto *SP = dyn_cast<DISubprogram>(Entity))
-        processSubprogram(SP);
-      else if (auto *NS = dyn_cast<DINamespace>(Entity))
-        processScope(NS->getScope());
-      else if (auto *M = dyn_cast<DIModule>(Entity))
-        processScope(M->getScope());
-    }
-  }
+  for (auto *CU : M.debug_compile_units())
+    processCompileUnit(CU);
   for (auto &F : M.functions()) {
     if (auto *SP = cast_or_null<DISubprogram>(F.getSubprogram()))
       processSubprogram(SP);
     // There could be subprograms from inlined functions referenced from
     // instructions only. Walk the function to find them.
-    for (const BasicBlock &BB : F) {
-      for (const Instruction &I : BB) {
-        if (!I.getDebugLoc())
-          continue;
-        processLocation(M, I.getDebugLoc().get());
-      }
-    }
+    for (const BasicBlock &BB : F)
+      for (const Instruction &I : BB)
+        processInstruction(M, I);
   }
 }
 
+void DebugInfoFinder::processCompileUnit(DICompileUnit *CU) {
+  if (!addCompileUnit(CU))
+    return;
+  for (auto DIG : CU->getGlobalVariables()) {
+    if (!addGlobalVariable(DIG))
+      continue;
+    auto *GV = DIG->getVariable();
+    processScope(GV->getScope());
+    processType(GV->getType().resolve());
+  }
+  for (auto *ET : CU->getEnumTypes())
+    processType(ET);
+  for (auto *RT : CU->getRetainedTypes())
+    if (auto *T = dyn_cast<DIType>(RT))
+      processType(T);
+    else
+      processSubprogram(cast<DISubprogram>(RT));
+  for (auto *Import : CU->getImportedEntities()) {
+    auto *Entity = Import->getEntity().resolve();
+    if (auto *T = dyn_cast<DIType>(Entity))
+      processType(T);
+    else if (auto *SP = dyn_cast<DISubprogram>(Entity))
+      processSubprogram(SP);
+    else if (auto *NS = dyn_cast<DINamespace>(Entity))
+      processScope(NS->getScope());
+    else if (auto *M = dyn_cast<DIModule>(Entity))
+      processScope(M->getScope());
+  }
+}
+
+void DebugInfoFinder::processInstruction(const Module &M,
+                                         const Instruction &I) {
+  if (auto *DDI = dyn_cast<DbgDeclareInst>(&I))
+    processDeclare(M, DDI);
+  else if (auto *DVI = dyn_cast<DbgValueInst>(&I))
+    processValue(M, DVI);
+
+  if (auto DbgLoc = I.getDebugLoc())
+    processLocation(M, DbgLoc.get());
+}
+
 void DebugInfoFinder::processLocation(const Module &M, const DILocation *Loc) {
   if (!Loc)
     return;
@@ -165,6 +176,15 @@ void DebugInfoFinder::processSubprogram(DISubprogram *SP) {
   if (!addSubprogram(SP))
     return;
   processScope(SP->getScope().resolve());
+  // Some of the users, e.g. CloneFunctionInto / CloneModule, need to set up a
+  // ValueMap containing identity mappings for all of the DICompileUnit's, not
+  // just DISubprogram's, referenced from anywhere within the Function being
+  // cloned prior to calling MapMetadata / RemapInstruction to avoid their
+  // duplication later as DICompileUnit's are also directly referenced by
+  // llvm.dbg.cu list. Thefore we need to collect DICompileUnit's here as well.
+  // Also, DICompileUnit's may reference DISubprogram's too and therefore need
+  // to be at least looked through.
+  processCompileUnit(SP->getUnit());
   processType(SP->getType());
   for (auto *Element : SP->getTemplateParams()) {
     if (auto *TType = dyn_cast<DITemplateTypeParameter>(Element)) {
@@ -293,7 +313,7 @@ static MDNode *stripDebugLocFromLoopID(MDNode *N) {
 
 bool llvm::stripDebugInfo(Function &F) {
   bool Changed = false;
-  if (F.getMetadata(LLVMContext::MD_dbg)) {
+  if (F.hasMetadata(LLVMContext::MD_dbg)) {
     Changed = true;
     F.setSubprogram(nullptr);
   }
@@ -349,12 +369,7 @@ bool llvm::StripDebugInfo(Module &M) {
     Changed |= stripDebugInfo(F);
 
   for (auto &GV : M.globals()) {
-    SmallVector<MDNode *, 1> MDs;
-    GV.getMetadata(LLVMContext::MD_dbg, MDs);
-    if (!MDs.empty()) {
-      GV.eraseMetadata(LLVMContext::MD_dbg);
-      Changed = true;
-    }
+    Changed |= GV.eraseMetadata(LLVMContext::MD_dbg);
   }
 
   if (GVMaterializer *Materializer = M.getMaterializer())
@@ -548,7 +563,7 @@ void DebugTypeInfoRemoval::traverse(MDNode *N) {
   // parts of the graph.
   auto prune = [](MDNode *Parent, MDNode *Child) {
     if (auto *MDS = dyn_cast<DISubprogram>(Parent))
-      return Child == MDS->getVariables().get();
+      return Child == MDS->getRetainedNodes().get();
     return false;
   };
 
@@ -654,10 +669,10 @@ bool llvm::stripNonLineTableDebugInfo(Module &M) {
     SmallVector<MDNode *, 8> Ops;
     for (MDNode *Op : NMD.operands())
       Ops.push_back(remap(Op));
- 
+
     if (!Changed)
       continue;
- 
+
     NMD.clearOperands();
     for (auto *Op : Ops)
       if (Op)
@@ -675,7 +690,8 @@ unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
 
 void Instruction::applyMergedLocation(const DILocation *LocA,
                                       const DILocation *LocB) {
-  setDebugLoc(DILocation::getMergedLocation(LocA, LocB, this));
+  setDebugLoc(DILocation::getMergedLocation(LocA, LocB,
+                                            DILocation::WithGeneratedLocation));
 }
 
 //===----------------------------------------------------------------------===//
@@ -692,6 +708,18 @@ case LLVMDWARFSourceLanguage##NAME: return ID;
   llvm_unreachable("Unhandled Tag");
 }
 
+template <typename DIT> DIT *unwrapDI(LLVMMetadataRef Ref) {
+  return (DIT *)(Ref ? unwrap<MDNode>(Ref) : nullptr);
+}
+
+static DINode::DIFlags map_from_llvmDIFlags(LLVMDIFlags Flags) {
+  return static_cast<DINode::DIFlags>(Flags);
+}
+
+static LLVMDIFlags map_to_llvmDIFlags(DINode::DIFlags Flags) {
+  return static_cast<LLVMDIFlags>(Flags);
+}
+
 unsigned LLVMDebugMetadataVersion() {
   return DEBUG_METADATA_VERSION;
 }
@@ -727,7 +755,7 @@ LLVMMetadataRef LLVMDIBuilderCreateCompileUnit(
     unsigned RuntimeVer, const char *SplitName, size_t SplitNameLen,
     LLVMDWARFEmissionKind Kind, unsigned DWOId, LLVMBool SplitDebugInlining,
     LLVMBool DebugInfoForProfiling) {
-  auto File = unwrap<DIFile>(FileRef);
+  auto File = unwrapDI<DIFile>(FileRef);
 
   return wrap(unwrap(Builder)->createCompileUnit(
                  map_from_llvmDWARFsourcelanguage(Lang), File,
@@ -747,9 +775,581 @@ LLVMDIBuilderCreateFile(LLVMDIBuilderRef Builder, const char *Filename,
 }
 
 LLVMMetadataRef
+LLVMDIBuilderCreateModule(LLVMDIBuilderRef Builder, LLVMMetadataRef ParentScope,
+                          const char *Name, size_t NameLen,
+                          const char *ConfigMacros, size_t ConfigMacrosLen,
+                          const char *IncludePath, size_t IncludePathLen,
+                          const char *ISysRoot, size_t ISysRootLen) {
+  return wrap(unwrap(Builder)->createModule(
+      unwrapDI<DIScope>(ParentScope), StringRef(Name, NameLen),
+      StringRef(ConfigMacros, ConfigMacrosLen),
+      StringRef(IncludePath, IncludePathLen),
+      StringRef(ISysRoot, ISysRootLen)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateNameSpace(LLVMDIBuilderRef Builder,
+                                             LLVMMetadataRef ParentScope,
+                                             const char *Name, size_t NameLen,
+                                             LLVMBool ExportSymbols) {
+  return wrap(unwrap(Builder)->createNameSpace(
+      unwrapDI<DIScope>(ParentScope), StringRef(Name, NameLen), ExportSymbols));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateFunction(
+    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+    size_t NameLen, const char *LinkageName, size_t LinkageNameLen,
+    LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
+    LLVMBool IsLocalToUnit, LLVMBool IsDefinition,
+    unsigned ScopeLine, LLVMDIFlags Flags, LLVMBool IsOptimized) {
+  return wrap(unwrap(Builder)->createFunction(
+      unwrapDI<DIScope>(Scope), {Name, NameLen}, {LinkageName, LinkageNameLen},
+      unwrapDI<DIFile>(File), LineNo, unwrapDI<DISubroutineType>(Ty),
+      IsLocalToUnit, IsDefinition, ScopeLine, map_from_llvmDIFlags(Flags),
+      IsOptimized, nullptr, nullptr, nullptr));
+}
+
+
+LLVMMetadataRef LLVMDIBuilderCreateLexicalBlock(
+    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope,
+    LLVMMetadataRef File, unsigned Line, unsigned Col) {
+  return wrap(unwrap(Builder)->createLexicalBlock(unwrapDI<DIScope>(Scope),
+                                                  unwrapDI<DIFile>(File),
+                                                  Line, Col));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateLexicalBlockFile(LLVMDIBuilderRef Builder,
+                                    LLVMMetadataRef Scope,
+                                    LLVMMetadataRef File,
+                                    unsigned Discriminator) {
+  return wrap(unwrap(Builder)->createLexicalBlockFile(unwrapDI<DIScope>(Scope),
+                                                      unwrapDI<DIFile>(File),
+                                                      Discriminator));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateImportedModuleFromNamespace(LLVMDIBuilderRef Builder,
+                                               LLVMMetadataRef Scope,
+                                               LLVMMetadataRef NS,
+                                               LLVMMetadataRef File,
+                                               unsigned Line) {
+  return wrap(unwrap(Builder)->createImportedModule(unwrapDI<DIScope>(Scope),
+                                                    unwrapDI<DINamespace>(NS),
+                                                    unwrapDI<DIFile>(File),
+                                                    Line));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateImportedModuleFromAlias(LLVMDIBuilderRef Builder,
+                                           LLVMMetadataRef Scope,
+                                           LLVMMetadataRef ImportedEntity,
+                                           LLVMMetadataRef File,
+                                           unsigned Line) {
+  return wrap(unwrap(Builder)->createImportedModule(
+                  unwrapDI<DIScope>(Scope),
+                  unwrapDI<DIImportedEntity>(ImportedEntity),
+                  unwrapDI<DIFile>(File), Line));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateImportedModuleFromModule(LLVMDIBuilderRef Builder,
+                                            LLVMMetadataRef Scope,
+                                            LLVMMetadataRef M,
+                                            LLVMMetadataRef File,
+                                            unsigned Line) {
+  return wrap(unwrap(Builder)->createImportedModule(unwrapDI<DIScope>(Scope),
+                                                    unwrapDI<DIModule>(M),
+                                                    unwrapDI<DIFile>(File),
+                                                    Line));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateImportedDeclaration(LLVMDIBuilderRef Builder,
+                                       LLVMMetadataRef Scope,
+                                       LLVMMetadataRef Decl,
+                                       LLVMMetadataRef File,
+                                       unsigned Line,
+                                       const char *Name, size_t NameLen) {
+  return wrap(unwrap(Builder)->createImportedDeclaration(
+                  unwrapDI<DIScope>(Scope),
+                  unwrapDI<DINode>(Decl),
+                  unwrapDI<DIFile>(File), Line, {Name, NameLen}));
+}
+
+LLVMMetadataRef
 LLVMDIBuilderCreateDebugLocation(LLVMContextRef Ctx, unsigned Line,
                                  unsigned Column, LLVMMetadataRef Scope,
                                  LLVMMetadataRef InlinedAt) {
   return wrap(DILocation::get(*unwrap(Ctx), Line, Column, unwrap(Scope),
                               unwrap(InlinedAt)));
 }
+
+unsigned LLVMDILocationGetLine(LLVMMetadataRef Location) {
+  return unwrapDI<DILocation>(Location)->getLine();
+}
+
+unsigned LLVMDILocationGetColumn(LLVMMetadataRef Location) {
+  return unwrapDI<DILocation>(Location)->getColumn();
+}
+
+LLVMMetadataRef LLVMDILocationGetScope(LLVMMetadataRef Location) {
+  return wrap(unwrapDI<DILocation>(Location)->getScope());
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateEnumerationType(
+  LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+  size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
+  uint64_t SizeInBits, uint32_t AlignInBits, LLVMMetadataRef *Elements,
+  unsigned NumElements, LLVMMetadataRef ClassTy) {
+auto Elts = unwrap(Builder)->getOrCreateArray({unwrap(Elements),
+                                               NumElements});
+return wrap(unwrap(Builder)->createEnumerationType(
+    unwrapDI<DIScope>(Scope), {Name, NameLen}, unwrapDI<DIFile>(File),
+    LineNumber, SizeInBits, AlignInBits, Elts, unwrapDI<DIType>(ClassTy)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateUnionType(
+  LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+  size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
+  uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags,
+  LLVMMetadataRef *Elements, unsigned NumElements, unsigned RunTimeLang,
+  const char *UniqueId, size_t UniqueIdLen) {
+  auto Elts = unwrap(Builder)->getOrCreateArray({unwrap(Elements),
+                                                 NumElements});
+  return wrap(unwrap(Builder)->createUnionType(
+     unwrapDI<DIScope>(Scope), {Name, NameLen}, unwrapDI<DIFile>(File),
+     LineNumber, SizeInBits, AlignInBits, map_from_llvmDIFlags(Flags),
+     Elts, RunTimeLang, {UniqueId, UniqueIdLen}));
+}
+
+
+LLVMMetadataRef
+LLVMDIBuilderCreateArrayType(LLVMDIBuilderRef Builder, uint64_t Size,
+                             uint32_t AlignInBits, LLVMMetadataRef Ty,
+                             LLVMMetadataRef *Subscripts,
+                             unsigned NumSubscripts) {
+  auto Subs = unwrap(Builder)->getOrCreateArray({unwrap(Subscripts),
+                                                 NumSubscripts});
+  return wrap(unwrap(Builder)->createArrayType(Size, AlignInBits,
+                                               unwrapDI<DIType>(Ty), Subs));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateVectorType(LLVMDIBuilderRef Builder, uint64_t Size,
+                              uint32_t AlignInBits, LLVMMetadataRef Ty,
+                              LLVMMetadataRef *Subscripts,
+                              unsigned NumSubscripts) {
+  auto Subs = unwrap(Builder)->getOrCreateArray({unwrap(Subscripts),
+                                                 NumSubscripts});
+  return wrap(unwrap(Builder)->createVectorType(Size, AlignInBits,
+                                                unwrapDI<DIType>(Ty), Subs));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateBasicType(LLVMDIBuilderRef Builder, const char *Name,
+                             size_t NameLen, uint64_t SizeInBits,
+                             LLVMDWARFTypeEncoding Encoding) {
+  return wrap(unwrap(Builder)->createBasicType({Name, NameLen},
+                                               SizeInBits, Encoding));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreatePointerType(
+    LLVMDIBuilderRef Builder, LLVMMetadataRef PointeeTy,
+    uint64_t SizeInBits, uint32_t AlignInBits, unsigned AddressSpace,
+    const char *Name, size_t NameLen) {
+  return wrap(unwrap(Builder)->createPointerType(unwrapDI<DIType>(PointeeTy),
+                                         SizeInBits, AlignInBits,
+                                         AddressSpace, {Name, NameLen}));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateStructType(
+    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+    size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
+    uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags,
+    LLVMMetadataRef DerivedFrom, LLVMMetadataRef *Elements,
+    unsigned NumElements, unsigned RunTimeLang, LLVMMetadataRef VTableHolder,
+    const char *UniqueId, size_t UniqueIdLen) {
+  auto Elts = unwrap(Builder)->getOrCreateArray({unwrap(Elements),
+                                                 NumElements});
+  return wrap(unwrap(Builder)->createStructType(
+      unwrapDI<DIScope>(Scope), {Name, NameLen}, unwrapDI<DIFile>(File),
+      LineNumber, SizeInBits, AlignInBits, map_from_llvmDIFlags(Flags),
+      unwrapDI<DIType>(DerivedFrom), Elts, RunTimeLang,
+      unwrapDI<DIType>(VTableHolder), {UniqueId, UniqueIdLen}));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateMemberType(
+    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+    size_t NameLen, LLVMMetadataRef File, unsigned LineNo, uint64_t SizeInBits,
+    uint32_t AlignInBits, uint64_t OffsetInBits, LLVMDIFlags Flags,
+    LLVMMetadataRef Ty) {
+  return wrap(unwrap(Builder)->createMemberType(unwrapDI<DIScope>(Scope),
+      {Name, NameLen}, unwrapDI<DIFile>(File), LineNo, SizeInBits, AlignInBits,
+      OffsetInBits, map_from_llvmDIFlags(Flags), unwrapDI<DIType>(Ty)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateUnspecifiedType(LLVMDIBuilderRef Builder, const char *Name,
+                                   size_t NameLen) {
+  return wrap(unwrap(Builder)->createUnspecifiedType({Name, NameLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateStaticMemberType(
+    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+    size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
+    LLVMMetadataRef Type, LLVMDIFlags Flags, LLVMValueRef ConstantVal,
+    uint32_t AlignInBits) {
+  return wrap(unwrap(Builder)->createStaticMemberType(
+                  unwrapDI<DIScope>(Scope), {Name, NameLen},
+                  unwrapDI<DIFile>(File), LineNumber, unwrapDI<DIType>(Type),
+                  map_from_llvmDIFlags(Flags), unwrap<Constant>(ConstantVal),
+                  AlignInBits));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateObjCIVar(LLVMDIBuilderRef Builder,
+                            const char *Name, size_t NameLen,
+                            LLVMMetadataRef File, unsigned LineNo,
+                            uint64_t SizeInBits, uint32_t AlignInBits,
+                            uint64_t OffsetInBits, LLVMDIFlags Flags,
+                            LLVMMetadataRef Ty, LLVMMetadataRef PropertyNode) {
+  return wrap(unwrap(Builder)->createObjCIVar(
+                  {Name, NameLen}, unwrapDI<DIFile>(File), LineNo,
+                  SizeInBits, AlignInBits, OffsetInBits,
+                  map_from_llvmDIFlags(Flags), unwrapDI<DIType>(Ty),
+                  unwrapDI<MDNode>(PropertyNode)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateObjCProperty(LLVMDIBuilderRef Builder,
+                                const char *Name, size_t NameLen,
+                                LLVMMetadataRef File, unsigned LineNo,
+                                const char *GetterName, size_t GetterNameLen,
+                                const char *SetterName, size_t SetterNameLen,
+                                unsigned PropertyAttributes,
+                                LLVMMetadataRef Ty) {
+  return wrap(unwrap(Builder)->createObjCProperty(
+                  {Name, NameLen}, unwrapDI<DIFile>(File), LineNo,
+                  {GetterName, GetterNameLen}, {SetterName, SetterNameLen},
+                  PropertyAttributes, unwrapDI<DIType>(Ty)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateObjectPointerType(LLVMDIBuilderRef Builder,
+                                     LLVMMetadataRef Type) {
+  return wrap(unwrap(Builder)->createObjectPointerType(unwrapDI<DIType>(Type)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateTypedef(LLVMDIBuilderRef Builder, LLVMMetadataRef Type,
+                           const char *Name, size_t NameLen,
+                           LLVMMetadataRef File, unsigned LineNo,
+                           LLVMMetadataRef Scope) {
+  return wrap(unwrap(Builder)->createTypedef(
+                  unwrapDI<DIType>(Type), {Name, NameLen},
+                  unwrapDI<DIFile>(File), LineNo,
+                  unwrapDI<DIScope>(Scope)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateInheritance(LLVMDIBuilderRef Builder,
+                               LLVMMetadataRef Ty, LLVMMetadataRef BaseTy,
+                               uint64_t BaseOffset, uint32_t VBPtrOffset,
+                               LLVMDIFlags Flags) {
+  return wrap(unwrap(Builder)->createInheritance(
+                  unwrapDI<DIType>(Ty), unwrapDI<DIType>(BaseTy),
+                  BaseOffset, VBPtrOffset, map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateForwardDecl(
+    LLVMDIBuilderRef Builder, unsigned Tag, const char *Name,
+    size_t NameLen, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line,
+    unsigned RuntimeLang, uint64_t SizeInBits, uint32_t AlignInBits,
+    const char *UniqueIdentifier, size_t UniqueIdentifierLen) {
+  return wrap(unwrap(Builder)->createForwardDecl(
+                  Tag, {Name, NameLen}, unwrapDI<DIScope>(Scope),
+                  unwrapDI<DIFile>(File), Line, RuntimeLang, SizeInBits,
+                  AlignInBits, {UniqueIdentifier, UniqueIdentifierLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateReplaceableCompositeType(
+    LLVMDIBuilderRef Builder, unsigned Tag, const char *Name,
+    size_t NameLen, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line,
+    unsigned RuntimeLang, uint64_t SizeInBits, uint32_t AlignInBits,
+    LLVMDIFlags Flags, const char *UniqueIdentifier,
+    size_t UniqueIdentifierLen) {
+  return wrap(unwrap(Builder)->createReplaceableCompositeType(
+                  Tag, {Name, NameLen}, unwrapDI<DIScope>(Scope),
+                  unwrapDI<DIFile>(File), Line, RuntimeLang, SizeInBits,
+                  AlignInBits, map_from_llvmDIFlags(Flags),
+                  {UniqueIdentifier, UniqueIdentifierLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateQualifiedType(LLVMDIBuilderRef Builder, unsigned Tag,
+                                 LLVMMetadataRef Type) {
+  return wrap(unwrap(Builder)->createQualifiedType(Tag,
+                                                   unwrapDI<DIType>(Type)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateReferenceType(LLVMDIBuilderRef Builder, unsigned Tag,
+                                 LLVMMetadataRef Type) {
+  return wrap(unwrap(Builder)->createReferenceType(Tag,
+                                                   unwrapDI<DIType>(Type)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateNullPtrType(LLVMDIBuilderRef Builder) {
+  return wrap(unwrap(Builder)->createNullPtrType());
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateMemberPointerType(LLVMDIBuilderRef Builder,
+                                     LLVMMetadataRef PointeeType,
+                                     LLVMMetadataRef ClassType,
+                                     uint64_t SizeInBits,
+                                     uint32_t AlignInBits,
+                                     LLVMDIFlags Flags) {
+  return wrap(unwrap(Builder)->createMemberPointerType(
+                  unwrapDI<DIType>(PointeeType),
+                  unwrapDI<DIType>(ClassType), AlignInBits, SizeInBits,
+                  map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateBitFieldMemberType(LLVMDIBuilderRef Builder,
+                                      LLVMMetadataRef Scope,
+                                      const char *Name, size_t NameLen,
+                                      LLVMMetadataRef File, unsigned LineNumber,
+                                      uint64_t SizeInBits,
+                                      uint64_t OffsetInBits,
+                                      uint64_t StorageOffsetInBits,
+                                      LLVMDIFlags Flags, LLVMMetadataRef Type) {
+  return wrap(unwrap(Builder)->createBitFieldMemberType(
+                  unwrapDI<DIScope>(Scope), {Name, NameLen},
+                  unwrapDI<DIFile>(File), LineNumber,
+                  SizeInBits, OffsetInBits, StorageOffsetInBits,
+                  map_from_llvmDIFlags(Flags), unwrapDI<DIType>(Type)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateClassType(LLVMDIBuilderRef Builder,
+    LLVMMetadataRef Scope, const char *Name, size_t NameLen,
+    LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
+    uint32_t AlignInBits, uint64_t OffsetInBits, LLVMDIFlags Flags,
+    LLVMMetadataRef DerivedFrom,
+    LLVMMetadataRef *Elements, unsigned NumElements,
+    LLVMMetadataRef VTableHolder, LLVMMetadataRef TemplateParamsNode,
+    const char *UniqueIdentifier, size_t UniqueIdentifierLen) {
+  auto Elts = unwrap(Builder)->getOrCreateArray({unwrap(Elements),
+                                                 NumElements});
+  return wrap(unwrap(Builder)->createClassType(
+                  unwrapDI<DIScope>(Scope), {Name, NameLen},
+                  unwrapDI<DIFile>(File), LineNumber,
+                  SizeInBits, AlignInBits, OffsetInBits,
+                  map_from_llvmDIFlags(Flags), unwrapDI<DIType>(DerivedFrom),
+                  Elts, unwrapDI<DIType>(VTableHolder),
+                  unwrapDI<MDNode>(TemplateParamsNode),
+                  {UniqueIdentifier, UniqueIdentifierLen}));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateArtificialType(LLVMDIBuilderRef Builder,
+                                  LLVMMetadataRef Type) {
+  return wrap(unwrap(Builder)->createArtificialType(unwrapDI<DIType>(Type)));
+}
+
+const char *LLVMDITypeGetName(LLVMMetadataRef DType, size_t *Length) {
+  StringRef Str = unwrap<DIType>(DType)->getName();
+  *Length = Str.size();
+  return Str.data();
+}
+
+uint64_t LLVMDITypeGetSizeInBits(LLVMMetadataRef DType) {
+  return unwrapDI<DIType>(DType)->getSizeInBits();
+}
+
+uint64_t LLVMDITypeGetOffsetInBits(LLVMMetadataRef DType) {
+  return unwrapDI<DIType>(DType)->getOffsetInBits();
+}
+
+uint32_t LLVMDITypeGetAlignInBits(LLVMMetadataRef DType) {
+  return unwrapDI<DIType>(DType)->getAlignInBits();
+}
+
+unsigned LLVMDITypeGetLine(LLVMMetadataRef DType) {
+  return unwrapDI<DIType>(DType)->getLine();
+}
+
+LLVMDIFlags LLVMDITypeGetFlags(LLVMMetadataRef DType) {
+  return map_to_llvmDIFlags(unwrapDI<DIType>(DType)->getFlags());
+}
+
+LLVMMetadataRef LLVMDIBuilderGetOrCreateTypeArray(LLVMDIBuilderRef Builder,
+                                                  LLVMMetadataRef *Types,
+                                                  size_t Length) {
+  return wrap(
+      unwrap(Builder)->getOrCreateTypeArray({unwrap(Types), Length}).get());
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateSubroutineType(LLVMDIBuilderRef Builder,
+                                  LLVMMetadataRef File,
+                                  LLVMMetadataRef *ParameterTypes,
+                                  unsigned NumParameterTypes,
+                                  LLVMDIFlags Flags) {
+  auto Elts = unwrap(Builder)->getOrCreateTypeArray({unwrap(ParameterTypes),
+                                                     NumParameterTypes});
+  return wrap(unwrap(Builder)->createSubroutineType(
+    Elts, map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateExpression(LLVMDIBuilderRef Builder,
+                                              int64_t *Addr, size_t Length) {
+  return wrap(unwrap(Builder)->createExpression(ArrayRef<int64_t>(Addr,
+                                                                  Length)));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateConstantValueExpression(LLVMDIBuilderRef Builder,
+                                           int64_t Value) {
+  return wrap(unwrap(Builder)->createConstantValueExpression(Value));
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateGlobalVariableExpression(LLVMDIBuilderRef Builder,
+                                            LLVMMetadataRef Scope,
+                                            const char *Name, size_t NameLen,
+                                            const char *Linkage, size_t LinkLen,
+                                            LLVMMetadataRef File,
+                                            unsigned LineNo,
+                                            LLVMMetadataRef Ty,
+                                            LLVMBool LocalToUnit,
+                                            LLVMMetadataRef Expr,
+                                            LLVMMetadataRef Decl,
+                                            uint32_t AlignInBits) {
+  return wrap(unwrap(Builder)->createGlobalVariableExpression(
+                  unwrapDI<DIScope>(Scope), {Name, NameLen}, {Linkage, LinkLen},
+                  unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty),
+                  LocalToUnit, unwrap<DIExpression>(Expr),
+                  unwrapDI<MDNode>(Decl), AlignInBits));
+}
+
+LLVMMetadataRef LLVMTemporaryMDNode(LLVMContextRef Ctx, LLVMMetadataRef *Data,
+                                    size_t Count) {
+  return wrap(
+      MDTuple::getTemporary(*unwrap(Ctx), {unwrap(Data), Count}).release());
+}
+
+void LLVMDisposeTemporaryMDNode(LLVMMetadataRef TempNode) {
+  MDNode::deleteTemporary(unwrapDI<MDNode>(TempNode));
+}
+
+void LLVMMetadataReplaceAllUsesWith(LLVMMetadataRef TargetMetadata,
+                                    LLVMMetadataRef Replacement) {
+  auto *Node = unwrapDI<MDNode>(TargetMetadata);
+  Node->replaceAllUsesWith(unwrap<Metadata>(Replacement));
+  MDNode::deleteTemporary(Node);
+}
+
+LLVMMetadataRef
+LLVMDIBuilderCreateTempGlobalVariableFwdDecl(LLVMDIBuilderRef Builder,
+                                             LLVMMetadataRef Scope,
+                                             const char *Name, size_t NameLen,
+                                             const char *Linkage, size_t LnkLen,
+                                             LLVMMetadataRef File,
+                                             unsigned LineNo,
+                                             LLVMMetadataRef Ty,
+                                             LLVMBool LocalToUnit,
+                                             LLVMMetadataRef Decl,
+                                             uint32_t AlignInBits) {
+  return wrap(unwrap(Builder)->createTempGlobalVariableFwdDecl(
+                  unwrapDI<DIScope>(Scope), {Name, NameLen}, {Linkage, LnkLen},
+                  unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty),
+                  LocalToUnit, unwrapDI<MDNode>(Decl), AlignInBits));
+}
+
+LLVMValueRef LLVMDIBuilderInsertDeclareBefore(
+  LLVMDIBuilderRef Builder, LLVMValueRef Storage, LLVMMetadataRef VarInfo,
+  LLVMMetadataRef Expr, LLVMMetadataRef DL, LLVMValueRef Instr) {
+  return wrap(unwrap(Builder)->insertDeclare(
+                  unwrap(Storage), unwrap<DILocalVariable>(VarInfo),
+                  unwrap<DIExpression>(Expr), unwrap<DILocation>(DL),
+                  unwrap<Instruction>(Instr)));
+}
+
+LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(
+    LLVMDIBuilderRef Builder, LLVMValueRef Storage, LLVMMetadataRef VarInfo,
+    LLVMMetadataRef Expr, LLVMMetadataRef DL, LLVMBasicBlockRef Block) {
+  return wrap(unwrap(Builder)->insertDeclare(
+                  unwrap(Storage), unwrap<DILocalVariable>(VarInfo),
+                  unwrap<DIExpression>(Expr), unwrap<DILocation>(DL),
+                  unwrap(Block)));
+}
+
+LLVMValueRef LLVMDIBuilderInsertDbgValueBefore(LLVMDIBuilderRef Builder,
+                                               LLVMValueRef Val,
+                                               LLVMMetadataRef VarInfo,
+                                               LLVMMetadataRef Expr,
+                                               LLVMMetadataRef DebugLoc,
+                                               LLVMValueRef Instr) {
+  return wrap(unwrap(Builder)->insertDbgValueIntrinsic(
+                  unwrap(Val), unwrap<DILocalVariable>(VarInfo),
+                  unwrap<DIExpression>(Expr), unwrap<DILocation>(DebugLoc),
+                  unwrap<Instruction>(Instr)));
+}
+
+LLVMValueRef LLVMDIBuilderInsertDbgValueAtEnd(LLVMDIBuilderRef Builder,
+                                              LLVMValueRef Val,
+                                              LLVMMetadataRef VarInfo,
+                                              LLVMMetadataRef Expr,
+                                              LLVMMetadataRef DebugLoc,
+                                              LLVMBasicBlockRef Block) {
+  return wrap(unwrap(Builder)->insertDbgValueIntrinsic(
+                  unwrap(Val), unwrap<DILocalVariable>(VarInfo),
+                  unwrap<DIExpression>(Expr), unwrap<DILocation>(DebugLoc),
+                  unwrap(Block)));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateAutoVariable(
+    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+    size_t NameLen, LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
+    LLVMBool AlwaysPreserve, LLVMDIFlags Flags, uint32_t AlignInBits) {
+  return wrap(unwrap(Builder)->createAutoVariable(
+                  unwrap<DIScope>(Scope), {Name, NameLen}, unwrap<DIFile>(File),
+                  LineNo, unwrap<DIType>(Ty), AlwaysPreserve,
+                  map_from_llvmDIFlags(Flags), AlignInBits));
+}
+
+LLVMMetadataRef LLVMDIBuilderCreateParameterVariable(
+    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
+    size_t NameLen, unsigned ArgNo, LLVMMetadataRef File, unsigned LineNo,
+    LLVMMetadataRef Ty, LLVMBool AlwaysPreserve, LLVMDIFlags Flags) {
+  return wrap(unwrap(Builder)->createParameterVariable(
+                  unwrap<DIScope>(Scope), Name, ArgNo, unwrap<DIFile>(File),
+                  LineNo, unwrap<DIType>(Ty), AlwaysPreserve,
+                  map_from_llvmDIFlags(Flags)));
+}
+
+LLVMMetadataRef LLVMDIBuilderGetOrCreateSubrange(LLVMDIBuilderRef Builder,
+                                                 int64_t Lo, int64_t Count) {
+  return wrap(unwrap(Builder)->getOrCreateSubrange(Lo, Count));
+}
+
+LLVMMetadataRef LLVMDIBuilderGetOrCreateArray(LLVMDIBuilderRef Builder,
+                                              LLVMMetadataRef *Data,
+                                              size_t Length) {
+  Metadata **DataValue = unwrap(Data);
+  return wrap(unwrap(Builder)->getOrCreateArray({DataValue, Length}).get());
+}
+
+LLVMMetadataRef LLVMGetSubprogram(LLVMValueRef Func) {
+  return wrap(unwrap<Function>(Func)->getSubprogram());
+}
+
+void LLVMSetSubprogram(LLVMValueRef Func, LLVMMetadataRef SP) {
+  unwrap<Function>(Func)->setSubprogram(unwrap<DISubprogram>(SP));
+}