diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index f7b7a36..e43ac06 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -158,7 +158,7 @@
 
 int want_display_name = 0;
 
-static void PrintCursor(CXCursor Cursor) {
+static void PrintCursor(CXTranslationUnit TU, CXCursor Cursor) {
   if (clang_isInvalid(Cursor.kind)) {
     CXString ks = clang_getCursorKindSpelling(Cursor.kind);
     printf("Invalid Cursor => %s", clang_getCString(ks));
@@ -277,6 +277,9 @@
       CXString Included = clang_getFileName(File);
       printf(" (%s)", clang_getCString(Included));
       clang_disposeString(Included);
+      
+      if (clang_isFileMultipleIncludeGuarded(TU, File))
+        printf("  [multi-include guarded]");
     }
   }
 }
@@ -426,7 +429,7 @@
     clang_getSpellingLocation(Loc, 0, &line, &column, 0);
     printf("// %s: %s:%d:%d: ", FileCheckPrefix,
            GetCursorSource(Cursor), line, column);
-    PrintCursor(Cursor);
+    PrintCursor(Data->TU, Cursor);
     PrintCursorExtent(Cursor);
     printf("\n");
     return CXChildVisit_Recurse;
@@ -479,7 +482,7 @@
       } else if (Ref.kind != CXCursor_FunctionDecl) {
         printf("// %s: %s:%d:%d: ", FileCheckPrefix, GetCursorSource(Ref),
                curLine, curColumn);
-        PrintCursor(Ref);
+        PrintCursor(Data->TU, Ref);
         printf("\n");
       }
     }
@@ -554,6 +557,8 @@
                                             CXClientData d) {
   const char *linkage = 0;
 
+  VisitorData *Data = (VisitorData *)d;
+
   if (clang_isInvalid(clang_getCursorKind(cursor)))
     return CXChildVisit_Recurse;
 
@@ -566,7 +571,7 @@
   }
 
   if (linkage) {
-    PrintCursor(cursor);
+    PrintCursor(Data->TU, cursor);
     printf("linkage=%s\n", linkage);
   }
 
@@ -579,11 +584,12 @@
 
 static enum CXChildVisitResult PrintTypeKind(CXCursor cursor, CXCursor p,
                                              CXClientData d) {
+  VisitorData *Data = (VisitorData *)d;
 
   if (!clang_isInvalid(clang_getCursorKind(cursor))) {
     CXType T = clang_getCursorType(cursor);
     CXString S = clang_getTypeKindSpelling(T.kind);
-    PrintCursor(cursor);
+    PrintCursor(Data->TU, cursor);
     printf(" typekind=%s", clang_getCString(S));
     if (clang_isConstQualifiedType(T))
       printf(" const");
@@ -778,7 +784,7 @@
 /* Logic for testing clang_getCursor().                                       */
 /******************************************************************************/
 
-static void print_cursor_file_scan(CXCursor cursor,
+static void print_cursor_file_scan(CXTranslationUnit TU, CXCursor cursor,
                                    unsigned start_line, unsigned start_col,
                                    unsigned end_line, unsigned end_col,
                                    const char *prefix) {
@@ -787,7 +793,7 @@
     printf("-%s", prefix);
   PrintExtent(stdout, start_line, start_col, end_line, end_col);
   printf(" ");
-  PrintCursor(cursor);
+  PrintCursor(TU, cursor);
   printf("\n");
 }
 
@@ -832,7 +838,7 @@
     cursor = clang_getCursor(TU, clang_getLocation(TU, file, line, col));
     if ((c == EOF || !clang_equalCursors(cursor, prevCursor)) &&
         prevCursor.kind != CXCursor_InvalidFile) {
-      print_cursor_file_scan(prevCursor, start_line, start_col,
+      print_cursor_file_scan(TU, prevCursor, start_line, start_col,
                              line, col, prefix);
       start_line = line;
       start_col = col;
@@ -1183,7 +1189,7 @@
                                clang_getLocation(TU, file, Locations[Loc].line,
                                                  Locations[Loc].column));
       if (I + 1 == Repeats) {
-        PrintCursor(Cursor);
+        PrintCursor(TU, Cursor);
         printf("\n");
         free(Locations[Loc].filename);
       }
@@ -1287,7 +1293,7 @@
     PrintExtent(stdout, start_line, start_column, end_line, end_column);
     if (!clang_isInvalid(cursors[i].kind)) {
       printf(" ");
-      PrintCursor(cursors[i]);
+      PrintCursor(TU, cursors[i]);
     }
     printf("\n");
   }
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 28f1506..e6774dc 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -30,6 +30,7 @@
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Lex/Lexer.h"
+#include "clang/Lex/HeaderSearch.h"
 #include "clang/Lex/PreprocessingRecord.h"
 #include "clang/Lex/Preprocessor.h"
 #include "llvm/ADT/STLExtras.h"
@@ -2890,6 +2891,16 @@
   return const_cast<FileEntry *>(FMgr.getFile(file_name));
 }
 
+unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit tu, CXFile file) {
+  if (!tu || !file)
+    return 0;
+
+  ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
+  FileEntry *FEnt = static_cast<FileEntry *>(file);
+  return CXXUnit->getPreprocessor().getHeaderSearchInfo()
+                                          .isFileMultipleIncludeGuarded(FEnt);
+}
+
 } // end: extern "C"
 
 //===----------------------------------------------------------------------===//
diff --git a/tools/libclang/libclang.darwin.exports b/tools/libclang/libclang.darwin.exports
index 30c3fd1..7bba673 100644
--- a/tools/libclang/libclang.darwin.exports
+++ b/tools/libclang/libclang.darwin.exports
@@ -115,6 +115,7 @@
 _clang_isCursorDefinition
 _clang_isDeclaration
 _clang_isExpression
+_clang_isFileMultipleIncludeGuarded
 _clang_isInvalid
 _clang_isPODType
 _clang_isPreprocessing
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index 4e96e8a..5f2c362 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -115,6 +115,7 @@
 clang_isCursorDefinition
 clang_isDeclaration
 clang_isExpression
+clang_isFileMultipleIncludeGuarded
 clang_isInvalid
 clang_isPODType
 clang_isPreprocessing