diff --git a/linux-x64/clang/include/llvm-c/DebugInfo.h b/linux-x64/clang/include/llvm-c/DebugInfo.h
index f840ce9..33c8110 100644
--- a/linux-x64/clang/include/llvm-c/DebugInfo.h
+++ b/linux-x64/clang/include/llvm-c/DebugInfo.h
@@ -50,13 +50,12 @@
   LLVMDIFlagIntroducedVirtual = 1 << 18,
   LLVMDIFlagBitField = 1 << 19,
   LLVMDIFlagNoReturn = 1 << 20,
-  LLVMDIFlagMainSubprogram = 1 << 21,
   LLVMDIFlagTypePassByValue = 1 << 22,
   LLVMDIFlagTypePassByReference = 1 << 23,
   LLVMDIFlagEnumClass = 1 << 24,
   LLVMDIFlagFixedEnum = LLVMDIFlagEnumClass, // Deprecated.
   LLVMDIFlagThunk = 1 << 25,
-  LLVMDIFlagTrivial = 1 << 26,
+  LLVMDIFlagNonTrivial = 1 << 26,
   LLVMDIFlagBigEndian = 1 << 27,
   LLVMDIFlagLittleEndian = 1 << 28,
   LLVMDIFlagIndirectVirtualBase = (1 << 2) | (1 << 5),
@@ -160,7 +159,8 @@
   LLVMDIObjCPropertyMetadataKind,
   LLVMDIImportedEntityMetadataKind,
   LLVMDIMacroMetadataKind,
-  LLVMDIMacroFileMetadataKind
+  LLVMDIMacroFileMetadataKind,
+  LLVMDICommonBlockMetadataKind
 };
 typedef unsigned LLVMMetadataKind;
 
@@ -452,6 +452,49 @@
 LLVMMetadataRef LLVMDILocationGetScope(LLVMMetadataRef Location);
 
 /**
+ * Get the "inline at" location associated with this debug location.
+ * \param Location     The debug location.
+ *
+ * @see DILocation::getInlinedAt()
+ */
+LLVMMetadataRef LLVMDILocationGetInlinedAt(LLVMMetadataRef Location);
+
+/**
+ * Get the metadata of the file associated with a given scope.
+ * \param Scope     The scope object.
+ *
+ * @see DIScope::getFile()
+ */
+LLVMMetadataRef LLVMDIScopeGetFile(LLVMMetadataRef Scope);
+
+/**
+ * Get the directory of a given file.
+ * \param File     The file object.
+ * \param Len      The length of the returned string.
+ *
+ * @see DIFile::getDirectory()
+ */
+const char *LLVMDIFileGetDirectory(LLVMMetadataRef File, unsigned *Len);
+
+/**
+ * Get the name of a given file.
+ * \param File     The file object.
+ * \param Len      The length of the returned string.
+ *
+ * @see DIFile::getFilename()
+ */
+const char *LLVMDIFileGetFilename(LLVMMetadataRef File, unsigned *Len);
+
+/**
+ * Get the source of a given file.
+ * \param File     The file object.
+ * \param Len      The length of the returned string.
+ *
+ * @see DIFile::getSource()
+ */
+const char *LLVMDIFileGetSource(LLVMMetadataRef File, unsigned *Len);
+
+/**
  * Create a type array.
  * \param Builder        The DIBuilder.
  * \param Data           The type elements.
@@ -479,6 +522,19 @@
                                   LLVMDIFlags Flags);
 
 /**
+ * Create debugging information entry for an enumerator.
+ * @param Builder        The DIBuilder.
+ * @param Name           Enumerator name.
+ * @param NameLen        Length of enumerator name.
+ * @param Value          Enumerator value.
+ * @param IsUnsigned     True if the value is unsigned.
+ */
+LLVMMetadataRef LLVMDIBuilderCreateEnumerator(LLVMDIBuilderRef Builder,
+                                              const char *Name, size_t NameLen,
+                                              int64_t Value,
+                                              LLVMBool IsUnsigned);
+
+/**
  * Create debugging information entry for an enumeration.
  * \param Builder        The DIBuilder.
  * \param Scope          Scope in which this enumeration is defined.
@@ -1016,6 +1072,48 @@
     size_t NameLen, const char *Linkage, size_t LinkLen, LLVMMetadataRef File,
     unsigned LineNo, LLVMMetadataRef Ty, LLVMBool LocalToUnit,
     LLVMMetadataRef Expr, LLVMMetadataRef Decl, uint32_t AlignInBits);
+
+/**
+ * Retrieves the \c DIVariable associated with this global variable expression.
+ * \param GVE    The global variable expression.
+ *
+ * @see llvm::DIGlobalVariableExpression::getVariable()
+ */
+LLVMMetadataRef LLVMDIGlobalVariableExpressionGetVariable(LLVMMetadataRef GVE);
+
+/**
+ * Retrieves the \c DIExpression associated with this global variable expression.
+ * \param GVE    The global variable expression.
+ *
+ * @see llvm::DIGlobalVariableExpression::getExpression()
+ */
+LLVMMetadataRef LLVMDIGlobalVariableExpressionGetExpression(
+    LLVMMetadataRef GVE);
+
+/**
+ * Get the metadata of the file associated with a given variable.
+ * \param Var     The variable object.
+ *
+ * @see DIVariable::getFile()
+ */
+LLVMMetadataRef LLVMDIVariableGetFile(LLVMMetadataRef Var);
+
+/**
+ * Get the metadata of the scope associated with a given variable.
+ * \param Var     The variable object.
+ *
+ * @see DIVariable::getScope()
+ */
+LLVMMetadataRef LLVMDIVariableGetScope(LLVMMetadataRef Var);
+
+/**
+ * Get the source line where this \c DIVariable is declared.
+ * \param Var     The DIVariable.
+ *
+ * @see DIVariable::getLine()
+ */
+unsigned LLVMDIVariableGetLine(LLVMMetadataRef Var);
+
 /**
  * Create a new temporary \c MDNode.  Suitable for use in constructing cyclic
  * \c MDNode structures. A temporary \c MDNode is not uniqued, may be RAUW'd,
@@ -1180,6 +1278,30 @@
 void LLVMSetSubprogram(LLVMValueRef Func, LLVMMetadataRef SP);
 
 /**
+ * Get the line associated with a given subprogram.
+ * \param Subprogram     The subprogram object.
+ *
+ * @see DISubprogram::getLine()
+ */
+unsigned LLVMDISubprogramGetLine(LLVMMetadataRef Subprogram);
+
+/**
+ * Get the debug location for the given instruction.
+ *
+ * @see llvm::Instruction::getDebugLoc()
+ */
+LLVMMetadataRef LLVMInstructionGetDebugLoc(LLVMValueRef Inst);
+
+/**
+ * Set the debug location for the given instruction.
+ *
+ * To clear the location metadata of the given instruction, pass NULL to \p Loc.
+ *
+ * @see llvm::Instruction::setDebugLoc()
+ */
+void LLVMInstructionSetDebugLoc(LLVMValueRef Inst, LLVMMetadataRef Loc);
+
+/**
  * Obtain the enumerated type of a Metadata instance.
  *
  * @see llvm::Metadata::getMetadataID()