diff --git a/clang/tools/clang-linker-wrapper/OffloadWrapper.cpp b/clang/tools/clang-linker-wrapper/OffloadWrapper.cpp
--- a/clang/tools/clang-linker-wrapper/OffloadWrapper.cpp
+++ b/clang/tools/clang-linker-wrapper/OffloadWrapper.cpp
@@ -14,6 +14,7 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
+#include "llvm/Support/Error.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
 
 using namespace llvm;
diff --git a/llvm/include/llvm/IR/DIBuilder.h b/llvm/include/llvm/IR/DIBuilder.h
--- a/llvm/include/llvm/IR/DIBuilder.h
+++ b/llvm/include/llvm/IR/DIBuilder.h
@@ -21,6 +21,7 @@
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/TrackingMDRef.h"
 #include "llvm/Support/Casting.h"
diff --git a/llvm/include/llvm/IR/DebugInfoMetadata.h b/llvm/include/llvm/IR/DebugInfoMetadata.h
--- a/llvm/include/llvm/IR/DebugInfoMetadata.h
+++ b/llvm/include/llvm/IR/DebugInfoMetadata.h
@@ -22,7 +22,6 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/iterator_range.h"
-#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Metadata.h"
 #include "llvm/Support/Casting.h"
@@ -61,6 +60,10 @@
 
 namespace llvm {
 
+namespace dwarf {
+enum Tag : uint16_t;
+}
+
 extern cl::opt<bool> EnableFSDiscriminator;
 
 class DITypeRefArray {
@@ -156,7 +159,7 @@
   void setTag(unsigned Tag) { SubclassData16 = Tag; }
 
 public:
-  dwarf::Tag getTag() const { return (dwarf::Tag)SubclassData16; }
+  dwarf::Tag getTag() const;
 
   /// Debug info flags.
   ///
@@ -267,7 +270,7 @@
   /// Return a (temporary) clone of this.
   TempGenericDINode clone() const { return cloneImpl(); }
 
-  dwarf::Tag getTag() const { return (dwarf::Tag)SubclassData16; }
+  dwarf::Tag getTag() const;
   StringRef getHeader() const { return getStringOperand(0); }
   MDString *getRawHeader() const { return getOperandAs<MDString>(0); }
 
@@ -298,8 +301,7 @@
   friend class LLVMContextImpl;
   friend class MDNode;
 
-  DISubrange(LLVMContext &C, StorageType Storage, ArrayRef<Metadata *> Ops)
-      : DINode(C, DISubrangeKind, Storage, dwarf::DW_TAG_subrange_type, Ops) {}
+  DISubrange(LLVMContext &C, StorageType Storage, ArrayRef<Metadata *> Ops);
 
   ~DISubrange() = default;
 
@@ -363,9 +365,7 @@
   friend class MDNode;
 
   DIGenericSubrange(LLVMContext &C, StorageType Storage,
-                    ArrayRef<Metadata *> Ops)
-      : DINode(C, DIGenericSubrangeKind, Storage,
-               dwarf::DW_TAG_generic_subrange, Ops) {}
+                    ArrayRef<Metadata *> Ops);
 
   ~DIGenericSubrange() = default;
 
@@ -414,11 +414,7 @@
 
   APInt Value;
   DIEnumerator(LLVMContext &C, StorageType Storage, const APInt &Value,
-               bool IsUnsigned, ArrayRef<Metadata *> Ops)
-      : DINode(C, DIEnumeratorKind, Storage, dwarf::DW_TAG_enumerator, Ops),
-        Value(Value) {
-    SubclassData32 = IsUnsigned;
-  }
+               bool IsUnsigned, ArrayRef<Metadata *> Ops);
   DIEnumerator(LLVMContext &C, StorageType Storage, int64_t Value,
                bool IsUnsigned, ArrayRef<Metadata *> Ops)
       : DIEnumerator(C, Storage, APInt(64, Value, !IsUnsigned), IsUnsigned,
@@ -568,9 +564,7 @@
 
   DIFile(LLVMContext &C, StorageType Storage,
          Optional<ChecksumInfo<MDString *>> CS, Optional<MDString *> Src,
-         ArrayRef<Metadata *> Ops)
-      : DIScope(C, DIFileKind, Storage, dwarf::DW_TAG_file_type, Ops),
-        Checksum(CS), Source(Src) {}
+         ArrayRef<Metadata *> Ops);
   ~DIFile() = default;
 
   static DIFile *getImpl(LLVMContext &Context, StringRef Filename,
@@ -1021,42 +1015,19 @@
 
   /// Get casted version of extra data.
   /// @{
-  DIType *getClassType() const {
-    assert(getTag() == dwarf::DW_TAG_ptr_to_member_type);
-    return cast_or_null<DIType>(getExtraData());
-  }
+  DIType *getClassType() const;
 
   DIObjCProperty *getObjCProperty() const {
     return dyn_cast_or_null<DIObjCProperty>(getExtraData());
   }
 
-  uint32_t getVBPtrOffset() const {
-    assert(getTag() == dwarf::DW_TAG_inheritance);
-    if (auto *CM = cast_or_null<ConstantAsMetadata>(getExtraData()))
-      if (auto *CI = dyn_cast_or_null<ConstantInt>(CM->getValue()))
-        return static_cast<uint32_t>(CI->getZExtValue());
-    return 0;
-  }
+  uint32_t getVBPtrOffset() const;
 
-  Constant *getStorageOffsetInBits() const {
-    assert(getTag() == dwarf::DW_TAG_member && isBitField());
-    if (auto *C = cast_or_null<ConstantAsMetadata>(getExtraData()))
-      return C->getValue();
-    return nullptr;
-  }
+  Constant *getStorageOffsetInBits() const;
 
-  Constant *getConstant() const {
-    assert(getTag() == dwarf::DW_TAG_member && isStaticMember());
-    if (auto *C = cast_or_null<ConstantAsMetadata>(getExtraData()))
-      return C->getValue();
-    return nullptr;
-  }
-  Constant *getDiscriminantValue() const {
-    assert(getTag() == dwarf::DW_TAG_member && !isStaticMember());
-    if (auto *C = cast_or_null<ConstantAsMetadata>(getExtraData()))
-      return C->getValue();
-    return nullptr;
-  }
+  Constant *getConstant() const;
+
+  Constant *getDiscriminantValue() const;
   /// @}
 
   static bool classof(const Metadata *MD) {
@@ -1300,10 +1271,7 @@
   uint8_t CC;
 
   DISubroutineType(LLVMContext &C, StorageType Storage, DIFlags Flags,
-                   uint8_t CC, ArrayRef<Metadata *> Ops)
-      : DIType(C, DISubroutineTypeKind, Storage, dwarf::DW_TAG_subroutine_type,
-               0, 0, 0, 0, Flags, Ops),
-        CC(CC) {}
+                   uint8_t CC, ArrayRef<Metadata *> Ops);
   ~DISubroutineType() = default;
 
   static DISubroutineType *getImpl(LLVMContext &Context, DIFlags Flags,
@@ -1385,15 +1353,7 @@
                 bool IsOptimized, unsigned RuntimeVersion,
                 unsigned EmissionKind, uint64_t DWOId, bool SplitDebugInlining,
                 bool DebugInfoForProfiling, unsigned NameTableKind,
-                bool RangesBaseAddress, ArrayRef<Metadata *> Ops)
-      : DIScope(C, DICompileUnitKind, Storage, dwarf::DW_TAG_compile_unit, Ops),
-        SourceLanguage(SourceLanguage), IsOptimized(IsOptimized),
-        RuntimeVersion(RuntimeVersion), EmissionKind(EmissionKind),
-        DWOId(DWOId), SplitDebugInlining(SplitDebugInlining),
-        DebugInfoForProfiling(DebugInfoForProfiling),
-        NameTableKind(NameTableKind), RangesBaseAddress(RangesBaseAddress) {
-    assert(Storage != Uniqued);
-  }
+                bool RangesBaseAddress, ArrayRef<Metadata *> Ops);
   ~DICompileUnit() = default;
 
   static DICompileUnit *
@@ -1872,19 +1832,7 @@
   static DISPFlags toSPFlags(bool IsLocalToUnit, bool IsDefinition,
                              bool IsOptimized,
                              unsigned Virtuality = SPFlagNonvirtual,
-                             bool IsMainSubprogram = false) {
-    // We're assuming virtuality is the low-order field.
-    static_assert(int(SPFlagVirtual) == int(dwarf::DW_VIRTUALITY_virtual) &&
-                      int(SPFlagPureVirtual) ==
-                          int(dwarf::DW_VIRTUALITY_pure_virtual),
-                  "Virtuality constant mismatch");
-    return static_cast<DISPFlags>(
-        (Virtuality & SPFlagVirtuality) |
-        (IsLocalToUnit ? SPFlagLocalToUnit : SPFlagZero) |
-        (IsDefinition ? SPFlagDefinition : SPFlagZero) |
-        (IsOptimized ? SPFlagOptimized : SPFlagZero) |
-        (IsMainSubprogram ? SPFlagMainSubprogram : SPFlagZero));
-  }
+                             bool IsMainSubprogram = false);
 
 private:
   DIFlags Flags;
@@ -1892,13 +1840,7 @@
 
   DISubprogram(LLVMContext &C, StorageType Storage, unsigned Line,
                unsigned ScopeLine, unsigned VirtualIndex, int ThisAdjustment,
-               DIFlags Flags, DISPFlags SPFlags, ArrayRef<Metadata *> Ops)
-      : DILocalScope(C, DISubprogramKind, Storage, dwarf::DW_TAG_subprogram,
-                     Ops),
-        Line(Line), ScopeLine(ScopeLine), VirtualIndex(VirtualIndex),
-        ThisAdjustment(ThisAdjustment), Flags(Flags), SPFlags(SPFlags) {
-    static_assert(dwarf::DW_VIRTUALITY_max < 4, "Virtuality out of range");
-  }
+               DIFlags Flags, DISPFlags SPFlags, ArrayRef<Metadata *> Ops);
   ~DISubprogram() = default;
 
   static DISubprogram *
@@ -2108,8 +2050,7 @@
 class DILexicalBlockBase : public DILocalScope {
 protected:
   DILexicalBlockBase(LLVMContext &C, unsigned ID, StorageType Storage,
-                     ArrayRef<Metadata *> Ops)
-      : DILocalScope(C, ID, Storage, dwarf::DW_TAG_lexical_block, Ops) {}
+                     ArrayRef<Metadata *> Ops);
   ~DILexicalBlockBase() = default;
 
 public:
@@ -2301,10 +2242,7 @@
   unsigned ExportSymbols : 1;
 
   DINamespace(LLVMContext &Context, StorageType Storage, bool ExportSymbols,
-              ArrayRef<Metadata *> Ops)
-      : DIScope(Context, DINamespaceKind, Storage, dwarf::DW_TAG_namespace,
-                Ops),
-        ExportSymbols(ExportSymbols) {}
+              ArrayRef<Metadata *> Ops);
   ~DINamespace() = default;
 
   static DINamespace *getImpl(LLVMContext &Context, DIScope *Scope,
@@ -2353,9 +2291,7 @@
   bool IsDecl;
 
   DIModule(LLVMContext &Context, StorageType Storage, unsigned LineNo,
-           bool IsDecl, ArrayRef<Metadata *> Ops)
-      : DIScope(Context, DIModuleKind, Storage, dwarf::DW_TAG_module, Ops),
-        LineNo(LineNo), IsDecl(IsDecl) {}
+           bool IsDecl, ArrayRef<Metadata *> Ops);
   ~DIModule() = default;
 
   static DIModule *getImpl(LLVMContext &Context, DIFile *File, DIScope *Scope,
@@ -2449,10 +2385,7 @@
   friend class MDNode;
 
   DITemplateTypeParameter(LLVMContext &Context, StorageType Storage,
-                          bool IsDefault, ArrayRef<Metadata *> Ops)
-      : DITemplateParameter(Context, DITemplateTypeParameterKind, Storage,
-                            dwarf::DW_TAG_template_type_parameter, IsDefault,
-                            Ops) {}
+                          bool IsDefault, ArrayRef<Metadata *> Ops);
   ~DITemplateTypeParameter() = default;
 
   static DITemplateTypeParameter *getImpl(LLVMContext &Context, StringRef Name,
@@ -2541,10 +2474,8 @@
   uint32_t AlignInBits;
 
 protected:
-  DIVariable(LLVMContext &C, unsigned ID, StorageType Storage, unsigned Line,
-             ArrayRef<Metadata *> Ops, uint32_t AlignInBits = 0)
-      : DINode(C, ID, Storage, dwarf::DW_TAG_variable, Ops), Line(Line),
-        AlignInBits(AlignInBits) {}
+  DIVariable(LLVMContext &C, unsigned ID, StorageType Storage, signed Line,
+             ArrayRef<Metadata *> Ops, uint32_t AlignInBits = 0);
   ~DIVariable() = default;
 
 public:
@@ -2763,9 +2694,7 @@
   }
 
   /// Return whether the first element a DW_OP_deref.
-  bool startsWithDeref() const {
-    return getNumElements() > 0 && getElement(0) == dwarf::DW_OP_deref;
-  }
+  bool startsWithDeref() const;
 
   /// Holds the characteristics of one fragment of a larger variable.
   struct FragmentInfo {
@@ -2923,10 +2852,7 @@
 
   /// Check if the expression consists of exactly one entry value operand.
   /// (This is the only configuration of entry values that is supported.)
-  bool isEntryValue() const {
-    return getNumElements() > 0 &&
-           getElement(0) == dwarf::DW_OP_LLVM_entry_value;
-  }
+  bool isEntryValue() const;
 
   /// Try to shorten an expression with an initial constant operand.
   /// Returns a new expression and constant on success, or the original
@@ -3057,10 +2983,7 @@
   friend class MDNode;
 
   DICommonBlock(LLVMContext &Context, StorageType Storage, unsigned LineNo,
-                ArrayRef<Metadata *> Ops)
-      : DIScope(Context, DICommonBlockKind, Storage, dwarf::DW_TAG_common_block,
-                Ops),
-        LineNo(LineNo) {}
+                ArrayRef<Metadata *> Ops);
 
   static DICommonBlock *getImpl(LLVMContext &Context, DIScope *Scope,
                                 DIGlobalVariable *Decl, StringRef Name,
@@ -3209,8 +3132,7 @@
   unsigned Line;
 
   DILabel(LLVMContext &C, StorageType Storage, unsigned Line,
-          ArrayRef<Metadata *> Ops)
-      : DINode(C, DILabelKind, Storage, dwarf::DW_TAG_label, Ops), Line(Line) {}
+          ArrayRef<Metadata *> Ops);
   ~DILabel() = default;
 
   static DILabel *getImpl(LLVMContext &Context, DIScope *Scope, StringRef Name,
@@ -3276,10 +3198,7 @@
   unsigned Attributes;
 
   DIObjCProperty(LLVMContext &C, StorageType Storage, unsigned Line,
-                 unsigned Attributes, ArrayRef<Metadata *> Ops)
-      : DINode(C, DIObjCPropertyKind, Storage, dwarf::DW_TAG_APPLE_property,
-               Ops),
-        Line(Line), Attributes(Attributes) {}
+                 unsigned Attributes, ArrayRef<Metadata *> Ops);
   ~DIObjCProperty() = default;
 
   static DIObjCProperty *
diff --git a/llvm/include/llvm/IR/IRBuilder.h b/llvm/include/llvm/IR/IRBuilder.h
--- a/llvm/include/llvm/IR/IRBuilder.h
+++ b/llvm/include/llvm/IR/IRBuilder.h
@@ -25,7 +25,7 @@
 #include "llvm/IR/ConstantFolder.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DebugInfoMetadata.h"
+//#include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/DebugLoc.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/FPEnv.h"
@@ -218,23 +218,11 @@
   }
 
   /// Get location information used by debugging information.
-  DebugLoc getCurrentDebugLocation() const {
-    for (auto &KV : MetadataToCopy)
-      if (KV.first == LLVMContext::MD_dbg)
-        return {cast<DILocation>(KV.second)};
-
-    return {};
-  }
+  DebugLoc getCurrentDebugLocation() const;
 
   /// If this builder has a current debug location, set it on the
   /// specified instruction.
-  void SetInstDebugLocation(Instruction *I) const {
-    for (const auto &KV : MetadataToCopy)
-      if (KV.first == LLVMContext::MD_dbg) {
-        I->setDebugLoc(DebugLoc(KV.second));
-        return;
-      }
-  }
+  void SetInstDebugLocation(Instruction *I) const;
 
   /// Add all entries in MetadataToCopy to \p I.
   void AddMetadataToInst(Instruction *I) const {
diff --git a/llvm/lib/Analysis/ModuleDebugInfoPrinter.cpp b/llvm/lib/Analysis/ModuleDebugInfoPrinter.cpp
--- a/llvm/lib/Analysis/ModuleDebugInfoPrinter.cpp
+++ b/llvm/lib/Analysis/ModuleDebugInfoPrinter.cpp
@@ -17,6 +17,7 @@
 #include "llvm/Analysis/ModuleDebugInfoPrinter.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/Passes.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/InitializePasses.h"
diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
--- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
@@ -20,6 +20,7 @@
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/Bitcode/BitcodeReader.h"
 #include "llvm/Bitcode/LLVMBitCodes.h"
 #include "llvm/Bitstream/BitstreamReader.h"
diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp
--- a/llvm/lib/CodeGen/LiveDebugVariables.cpp
+++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp
@@ -28,6 +28,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/LexicalScopes.h"
 #include "llvm/CodeGen/LiveInterval.h"
 #include "llvm/CodeGen/LiveIntervals.h"
diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -15,6 +15,7 @@
 #include "InstrEmitter.h"
 #include "SDNodeDbgValue.h"
 #include "llvm/ADT/Statistic.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
diff --git a/llvm/lib/CodeGen/TargetInstrInfo.cpp b/llvm/lib/CodeGen/TargetInstrInfo.cpp
--- a/llvm/lib/CodeGen/TargetInstrInfo.cpp
+++ b/llvm/lib/CodeGen/TargetInstrInfo.cpp
@@ -12,6 +12,7 @@
 
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/ADT/StringExtras.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
diff --git a/llvm/lib/CodeGen/TargetRegisterInfo.cpp b/llvm/lib/CodeGen/TargetRegisterInfo.cpp
--- a/llvm/lib/CodeGen/TargetRegisterInfo.cpp
+++ b/llvm/lib/CodeGen/TargetRegisterInfo.cpp
@@ -16,10 +16,11 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringExtras.h"
+#include "llvm/BinaryFormat/Dwarf.h"
+#include "llvm/CodeGen/LiveInterval.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/CodeGen/LiveInterval.h"
 #include "llvm/CodeGen/TargetFrameLowering.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp
--- a/llvm/lib/IR/AutoUpgrade.cpp
+++ b/llvm/lib/IR/AutoUpgrade.cpp
@@ -14,6 +14,7 @@
 
 #include "llvm/IR/AutoUpgrade.h"
 #include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/DiagnosticInfo.h"
diff --git a/llvm/lib/IR/DebugInfoMetadata.cpp b/llvm/lib/IR/DebugInfoMetadata.cpp
--- a/llvm/lib/IR/DebugInfoMetadata.cpp
+++ b/llvm/lib/IR/DebugInfoMetadata.cpp
@@ -15,6 +15,7 @@
 #include "MetadataImpl.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringSwitch.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/Type.h"
 #include "llvm/IR/Value.h"
@@ -180,6 +181,7 @@
   CI = getUnsignedFromPrefixEncoding(
       getNextComponentInDiscriminator(getNextComponentInDiscriminator(D)));
 }
+dwarf::Tag DINode::getTag() const { return (dwarf::Tag)SubclassData16; }
 
 DINode::DIFlags DINode::getFlag(StringRef Flag) {
   return StringSwitch<DIFlags>(Flag)
@@ -282,6 +284,7 @@
 }
 #endif
 
+dwarf::Tag GenericDINode::getTag() const { return (dwarf::Tag)SubclassData16; }
 GenericDINode *GenericDINode::getImpl(LLVMContext &Context, unsigned Tag,
                                       MDString *Header,
                                       ArrayRef<Metadata *> DwarfOps,
@@ -340,6 +343,9 @@
                        CLASS(Context, Storage, UNWRAP_ARGS(ARGS), OPS),        \
                    Storage, Context.pImpl->CLASS##s)
 
+DISubrange::DISubrange(LLVMContext &C, StorageType Storage,
+                       ArrayRef<Metadata *> Ops)
+    : DINode(C, DISubrangeKind, Storage, dwarf::DW_TAG_subrange_type, Ops) {}
 DISubrange *DISubrange::getImpl(LLVMContext &Context, int64_t Count, int64_t Lo,
                                 StorageType Storage, bool ShouldCreate) {
   auto *CountNode = ConstantAsMetadata::get(
@@ -450,6 +456,10 @@
 
   return BoundType();
 }
+DIGenericSubrange::DIGenericSubrange(LLVMContext &C, StorageType Storage,
+                                     ArrayRef<Metadata *> Ops)
+    : DINode(C, DIGenericSubrangeKind, Storage, dwarf::DW_TAG_generic_subrange,
+             Ops) {}
 
 DIGenericSubrange *DIGenericSubrange::getImpl(LLVMContext &Context,
                                               Metadata *CountNode, Metadata *LB,
@@ -529,6 +539,13 @@
   return BoundType();
 }
 
+DIEnumerator::DIEnumerator(LLVMContext &C, StorageType Storage,
+                           const APInt &Value, bool IsUnsigned,
+                           ArrayRef<Metadata *> Ops)
+    : DINode(C, DIEnumeratorKind, Storage, dwarf::DW_TAG_enumerator, Ops),
+      Value(Value) {
+  SubclassData32 = IsUnsigned;
+}
 DIEnumerator *DIEnumerator::getImpl(LLVMContext &Context, const APInt &Value,
                                     bool IsUnsigned, MDString *Name,
                                     StorageType Storage, bool ShouldCreate) {
@@ -580,6 +597,36 @@
   DEFINE_GETIMPL_STORE(DIStringType, (Tag, SizeInBits, AlignInBits, Encoding),
                        Ops);
 }
+DIType *DIDerivedType::getClassType() const {
+  assert(getTag() == dwarf::DW_TAG_ptr_to_member_type);
+  return cast_or_null<DIType>(getExtraData());
+}
+uint32_t DIDerivedType::getVBPtrOffset() const {
+  assert(getTag() == dwarf::DW_TAG_inheritance);
+  if (auto *CM = cast_or_null<ConstantAsMetadata>(getExtraData()))
+    if (auto *CI = dyn_cast_or_null<ConstantInt>(CM->getValue()))
+      return static_cast<uint32_t>(CI->getZExtValue());
+  return 0;
+}
+Constant *DIDerivedType::getStorageOffsetInBits() const {
+  assert(getTag() == dwarf::DW_TAG_member && isBitField());
+  if (auto *C = cast_or_null<ConstantAsMetadata>(getExtraData()))
+    return C->getValue();
+  return nullptr;
+}
+
+Constant *DIDerivedType::getConstant() const {
+  assert(getTag() == dwarf::DW_TAG_member && isStaticMember());
+  if (auto *C = cast_or_null<ConstantAsMetadata>(getExtraData()))
+    return C->getValue();
+  return nullptr;
+}
+Constant *DIDerivedType::getDiscriminantValue() const {
+  assert(getTag() == dwarf::DW_TAG_member && !isStaticMember());
+  if (auto *C = cast_or_null<ConstantAsMetadata>(getExtraData()))
+    return C->getValue();
+  return nullptr;
+}
 
 DIDerivedType *DIDerivedType::getImpl(
     LLVMContext &Context, unsigned Tag, MDString *Name, Metadata *File,
@@ -701,6 +748,12 @@
     return nullptr;
   return Context.pImpl->DITypeMap->lookup(&Identifier);
 }
+DISubroutineType::DISubroutineType(LLVMContext &C, StorageType Storage,
+                                   DIFlags Flags, uint8_t CC,
+                                   ArrayRef<Metadata *> Ops)
+    : DIType(C, DISubroutineTypeKind, Storage, dwarf::DW_TAG_subroutine_type, 0,
+             0, 0, 0, Flags, Ops),
+      CC(CC) {}
 
 DISubroutineType *DISubroutineType::getImpl(LLVMContext &Context, DIFlags Flags,
                                             uint8_t CC, Metadata *TypeArray,
@@ -711,6 +764,12 @@
   DEFINE_GETIMPL_STORE(DISubroutineType, (Flags, CC), Ops);
 }
 
+DIFile::DIFile(LLVMContext &C, StorageType Storage,
+               Optional<ChecksumInfo<MDString *>> CS, Optional<MDString *> Src,
+               ArrayRef<Metadata *> Ops)
+    : DIScope(C, DIFileKind, Storage, dwarf::DW_TAG_file_type, Ops),
+      Checksum(CS), Source(Src) {}
+
 // FIXME: Implement this string-enum correspondence with a .def file and macros,
 // so that the association is explicit rather than implied.
 static const char *ChecksumKindName[DIFile::CSK_Last] = {
@@ -749,6 +808,20 @@
                      Source.getValueOr(nullptr)};
   DEFINE_GETIMPL_STORE(DIFile, (CS, Source), Ops);
 }
+DICompileUnit::DICompileUnit(LLVMContext &C, StorageType Storage,
+                             unsigned SourceLanguage, bool IsOptimized,
+                             unsigned RuntimeVersion, unsigned EmissionKind,
+                             uint64_t DWOId, bool SplitDebugInlining,
+                             bool DebugInfoForProfiling, unsigned NameTableKind,
+                             bool RangesBaseAddress, ArrayRef<Metadata *> Ops)
+    : DIScope(C, DICompileUnitKind, Storage, dwarf::DW_TAG_compile_unit, Ops),
+      SourceLanguage(SourceLanguage), IsOptimized(IsOptimized),
+      RuntimeVersion(RuntimeVersion), EmissionKind(EmissionKind), DWOId(DWOId),
+      SplitDebugInlining(SplitDebugInlining),
+      DebugInfoForProfiling(DebugInfoForProfiling),
+      NameTableKind(NameTableKind), RangesBaseAddress(RangesBaseAddress) {
+  assert(Storage != Uniqued);
+}
 
 DICompileUnit *DICompileUnit::getImpl(
     LLVMContext &Context, unsigned SourceLanguage, Metadata *File,
@@ -827,6 +900,30 @@
   }
   return nullptr;
 }
+DISubprogram::DISubprogram(LLVMContext &C, StorageType Storage, unsigned Line,
+                           unsigned ScopeLine, unsigned VirtualIndex,
+                           int ThisAdjustment, DIFlags Flags, DISPFlags SPFlags,
+                           ArrayRef<Metadata *> Ops)
+    : DILocalScope(C, DISubprogramKind, Storage, dwarf::DW_TAG_subprogram, Ops),
+      Line(Line), ScopeLine(ScopeLine), VirtualIndex(VirtualIndex),
+      ThisAdjustment(ThisAdjustment), Flags(Flags), SPFlags(SPFlags) {
+  static_assert(dwarf::DW_VIRTUALITY_max < 4, "Virtuality out of range");
+}
+DISubprogram::DISPFlags
+DISubprogram::toSPFlags(bool IsLocalToUnit, bool IsDefinition, bool IsOptimized,
+                        unsigned Virtuality, bool IsMainSubprogram) {
+  // We're assuming virtuality is the low-order field.
+  static_assert(int(SPFlagVirtual) == int(dwarf::DW_VIRTUALITY_virtual) &&
+                    int(SPFlagPureVirtual) ==
+                        int(dwarf::DW_VIRTUALITY_pure_virtual),
+                "Virtuality constant mismatch");
+  return static_cast<DISPFlags>(
+      (Virtuality & SPFlagVirtuality) |
+      (IsLocalToUnit ? SPFlagLocalToUnit : SPFlagZero) |
+      (IsDefinition ? SPFlagDefinition : SPFlagZero) |
+      (IsOptimized ? SPFlagOptimized : SPFlagZero) |
+      (IsMainSubprogram ? SPFlagMainSubprogram : SPFlagZero));
+}
 
 DISubprogram *DILocalScope::getSubprogram() const {
   if (auto *Block = dyn_cast<DILexicalBlockBase>(this))
@@ -915,6 +1012,10 @@
   assert(F && "Invalid function");
   return F->getSubprogram() == this;
 }
+DILexicalBlockBase::DILexicalBlockBase(LLVMContext &C, unsigned ID,
+                                       StorageType Storage,
+                                       ArrayRef<Metadata *> Ops)
+    : DILocalScope(C, ID, Storage, dwarf::DW_TAG_lexical_block, Ops) {}
 
 DILexicalBlock *DILexicalBlock::getImpl(LLVMContext &Context, Metadata *Scope,
                                         Metadata *File, unsigned Line,
@@ -940,6 +1041,10 @@
   DEFINE_GETIMPL_STORE(DILexicalBlockFile, (Discriminator), Ops);
 }
 
+DINamespace::DINamespace(LLVMContext &Context, StorageType Storage,
+                         bool ExportSymbols, ArrayRef<Metadata *> Ops)
+    : DIScope(Context, DINamespaceKind, Storage, dwarf::DW_TAG_namespace, Ops),
+      ExportSymbols(ExportSymbols) {}
 DINamespace *DINamespace::getImpl(LLVMContext &Context, Metadata *Scope,
                                   MDString *Name, bool ExportSymbols,
                                   StorageType Storage, bool ShouldCreate) {
@@ -950,6 +1055,11 @@
   DEFINE_GETIMPL_STORE(DINamespace, (ExportSymbols), Ops);
 }
 
+DICommonBlock::DICommonBlock(LLVMContext &Context, StorageType Storage,
+                             unsigned LineNo, ArrayRef<Metadata *> Ops)
+    : DIScope(Context, DICommonBlockKind, Storage, dwarf::DW_TAG_common_block,
+              Ops),
+      LineNo(LineNo) {}
 DICommonBlock *DICommonBlock::getImpl(LLVMContext &Context, Metadata *Scope,
                                       Metadata *Decl, MDString *Name,
                                       Metadata *File, unsigned LineNo,
@@ -961,6 +1071,10 @@
   DEFINE_GETIMPL_STORE(DICommonBlock, (LineNo), Ops);
 }
 
+DIModule::DIModule(LLVMContext &Context, StorageType Storage, unsigned LineNo,
+                   bool IsDecl, ArrayRef<Metadata *> Ops)
+    : DIScope(Context, DIModuleKind, Storage, dwarf::DW_TAG_module, Ops),
+      LineNo(LineNo), IsDecl(IsDecl) {}
 DIModule *DIModule::getImpl(LLVMContext &Context, Metadata *File,
                             Metadata *Scope, MDString *Name,
                             MDString *ConfigurationMacros,
@@ -974,6 +1088,13 @@
                      IncludePath, APINotesFile};
   DEFINE_GETIMPL_STORE(DIModule, (LineNo, IsDecl), Ops);
 }
+DITemplateTypeParameter::DITemplateTypeParameter(LLVMContext &Context,
+                                                 StorageType Storage,
+                                                 bool IsDefault,
+                                                 ArrayRef<Metadata *> Ops)
+    : DITemplateParameter(Context, DITemplateTypeParameterKind, Storage,
+                          dwarf::DW_TAG_template_type_parameter, IsDefault,
+                          Ops) {}
 
 DITemplateTypeParameter *
 DITemplateTypeParameter::getImpl(LLVMContext &Context, MDString *Name,
@@ -1039,6 +1160,11 @@
   DEFINE_GETIMPL_STORE(DILocalVariable, (Line, Arg, Flags, AlignInBits), Ops);
 }
 
+DIVariable::DIVariable(LLVMContext &C, unsigned ID, StorageType Storage,
+                       signed Line, ArrayRef<Metadata *> Ops,
+                       uint32_t AlignInBits)
+    : DINode(C, ID, Storage, dwarf::DW_TAG_variable, Ops), Line(Line),
+      AlignInBits(AlignInBits) {}
 Optional<uint64_t> DIVariable::getSizeInBits() const {
   // This is used by the Verifier so be mindful of broken types.
   const Metadata *RawType = getRawType();
@@ -1062,6 +1188,9 @@
   return None;
 }
 
+DILabel::DILabel(LLVMContext &C, StorageType Storage, unsigned Line,
+                 ArrayRef<Metadata *> Ops)
+    : DINode(C, DILabelKind, Storage, dwarf::DW_TAG_label, Ops), Line(Line) {}
 DILabel *DILabel::getImpl(LLVMContext &Context, Metadata *Scope, MDString *Name,
                           Metadata *File, unsigned Line, StorageType Storage,
                           bool ShouldCreate) {
@@ -1078,6 +1207,12 @@
   DEFINE_GETIMPL_LOOKUP(DIExpression, (Elements));
   DEFINE_GETIMPL_STORE_NO_OPS(DIExpression, (Elements));
 }
+bool DIExpression::isEntryValue() const {
+  return getNumElements() > 0 && getElement(0) == dwarf::DW_OP_LLVM_entry_value;
+}
+bool DIExpression::startsWithDeref() const {
+  return getNumElements() > 0 && getElement(0) == dwarf::DW_OP_deref;
+}
 
 unsigned DIExpression::ExprOperand::getSize() const {
   uint64_t Op = getOp();
@@ -1597,6 +1732,11 @@
   Metadata *Ops[] = {Variable, Expression};
   DEFINE_GETIMPL_STORE_NO_CONSTRUCTOR_ARGS(DIGlobalVariableExpression, Ops);
 }
+DIObjCProperty::DIObjCProperty(LLVMContext &C, StorageType Storage,
+                               unsigned Line, unsigned Attributes,
+                               ArrayRef<Metadata *> Ops)
+    : DINode(C, DIObjCPropertyKind, Storage, dwarf::DW_TAG_APPLE_property, Ops),
+      Line(Line), Attributes(Attributes) {}
 
 DIObjCProperty *DIObjCProperty::getImpl(
     LLVMContext &Context, MDString *Name, Metadata *File, unsigned Line,
diff --git a/llvm/lib/IR/IRBuilder.cpp b/llvm/lib/IR/IRBuilder.cpp
--- a/llvm/lib/IR/IRBuilder.cpp
+++ b/llvm/lib/IR/IRBuilder.cpp
@@ -16,6 +16,7 @@
 #include "llvm/ADT/None.h"
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/Constants.h"
+#include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/GlobalValue.h"
@@ -68,6 +69,21 @@
   return CreateBitCast(Ptr, getInt8PtrTy(PT->getAddressSpace()));
 }
 
+DebugLoc IRBuilderBase::getCurrentDebugLocation() const {
+  for (auto &KV : MetadataToCopy)
+    if (KV.first == LLVMContext::MD_dbg)
+      return {cast<DILocation>(KV.second)};
+
+  return {};
+}
+void IRBuilderBase::SetInstDebugLocation(Instruction *I) const {
+  for (const auto &KV : MetadataToCopy)
+    if (KV.first == LLVMContext::MD_dbg) {
+      I->setDebugLoc(DebugLoc(KV.second));
+      return;
+    }
+}
+
 static CallInst *createCallHelper(Function *Callee, ArrayRef<Value *> Ops,
                                   IRBuilderBase *Builder,
                                   const Twine &Name = "",
diff --git a/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp b/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
--- a/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
@@ -19,6 +19,7 @@
 #include "MCTargetDesc/AArch64AddressingModes.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
diff --git a/llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp b/llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
--- a/llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
+++ b/llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
@@ -21,11 +21,12 @@
 #include "MCTargetDesc/AArch64AddressingModes.h"
 #include "MCTargetDesc/AArch64MCTargetDesc.h"
 #include "llvm/ADT/Optional.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
 #include "llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h"
-#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/GlobalISel/MIPatternMatch.h"
+#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFunction.h"
@@ -38,9 +39,9 @@
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Instructions.h"
+#include "llvm/IR/IntrinsicsAArch64.h"
 #include "llvm/IR/PatternMatch.h"
 #include "llvm/IR/Type.h"
-#include "llvm/IR/IntrinsicsAArch64.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp b/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUPrintfRuntimeBinding.cpp
@@ -19,6 +19,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "AMDGPU.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/InstructionSimplify.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/IR/Dominators.h"
diff --git a/llvm/lib/Target/BPF/BPFAbstractMemberAccess.cpp b/llvm/lib/Target/BPF/BPFAbstractMemberAccess.cpp
--- a/llvm/lib/Target/BPF/BPFAbstractMemberAccess.cpp
+++ b/llvm/lib/Target/BPF/BPFAbstractMemberAccess.cpp
@@ -77,6 +77,7 @@
 #include "BPF.h"
 #include "BPFCORE.h"
 #include "BPFTargetMachine.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/Instruction.h"
diff --git a/llvm/lib/Target/BPF/BPFPreserveDIType.cpp b/llvm/lib/Target/BPF/BPFPreserveDIType.cpp
--- a/llvm/lib/Target/BPF/BPFPreserveDIType.cpp
+++ b/llvm/lib/Target/BPF/BPFPreserveDIType.cpp
@@ -12,6 +12,7 @@
 
 #include "BPF.h"
 #include "BPFCORE.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/Instruction.h"
diff --git a/llvm/lib/Target/RISCV/RISCVRegisterInfo.cpp b/llvm/lib/Target/RISCV/RISCVRegisterInfo.cpp
--- a/llvm/lib/Target/RISCV/RISCVRegisterInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVRegisterInfo.cpp
@@ -14,6 +14,7 @@
 #include "RISCV.h"
 #include "RISCVMachineFunctionInfo.h"
 #include "RISCVSubtarget.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
diff --git a/llvm/lib/Transforms/Coroutines/CoroSplit.cpp b/llvm/lib/Transforms/Coroutines/CoroSplit.cpp
--- a/llvm/lib/Transforms/Coroutines/CoroSplit.cpp
+++ b/llvm/lib/Transforms/Coroutines/CoroSplit.cpp
@@ -31,6 +31,7 @@
 #include "llvm/Analysis/CallGraphSCCPass.h"
 #include "llvm/Analysis/ConstantFolding.h"
 #include "llvm/Analysis/LazyCallGraph.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/IR/Argument.h"
 #include "llvm/IR/Attributes.h"
 #include "llvm/IR/BasicBlock.h"
diff --git a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
--- a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
@@ -21,6 +21,7 @@
 #include "llvm/Analysis/PostDominators.h"
 #include "llvm/Analysis/StackSafetyAnalysis.h"
 #include "llvm/Analysis/ValueTracking.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/BinaryFormat/ELF.h"
 #include "llvm/IR/Attributes.h"
 #include "llvm/IR/BasicBlock.h"
diff --git a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
--- a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
+++ b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
@@ -13,6 +13,7 @@
 #include "llvm/Transforms/Instrumentation/SanitizerCoverage.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/EHPersonalities.h"
 #include "llvm/Analysis/PostDominators.h"
 #include "llvm/IR/CFG.h"
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
--- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -78,6 +78,7 @@
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/ValueTracking.h"
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Constant.h"
diff --git a/llvm/unittests/IR/DebugTypeODRUniquingTest.cpp b/llvm/unittests/IR/DebugTypeODRUniquingTest.cpp
--- a/llvm/unittests/IR/DebugTypeODRUniquingTest.cpp
+++ b/llvm/unittests/IR/DebugTypeODRUniquingTest.cpp
@@ -6,6 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/LLVMContext.h"
 #include "gtest/gtest.h"
diff --git a/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp b/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
--- a/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
+++ b/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
@@ -20,6 +20,7 @@
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/TypeSwitch.h"
 #include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
+#include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/IRBuilder.h"
 
 using namespace mlir;