1 files changed, 22 insertions, 0 deletions
diff --git a/include/clang/Analysis/CloneDetection.h b/include/clang/Analysis/CloneDetection.h
index 3b8173558408..1ca3514e69b0 100644
--- a/include/clang/Analysis/CloneDetection.h
+++ b/include/clang/Analysis/CloneDetection.h
@@ -17,6 +17,8 @@
 
 #include "clang/Basic/SourceLocation.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Regex.h"
 #include <vector>
 
 namespace clang {
@@ -319,6 +321,26 @@ struct OnlyLargestCloneConstraint {
   void constrain(std::vector<CloneDetector::CloneGroup> &Result);
 };
 
+struct FilenamePatternConstraint {
+  StringRef IgnoredFilesPattern;
+  std::shared_ptr<llvm::Regex> IgnoredFilesRegex;
+
+  FilenamePatternConstraint(StringRef IgnoredFilesPattern) 
+      : IgnoredFilesPattern(IgnoredFilesPattern) {
+    IgnoredFilesRegex = std::make_shared<llvm::Regex>("^(" +
+        IgnoredFilesPattern.str() + "$)");
+  }
+
+  bool isAutoGenerated(const CloneDetector::CloneGroup &Group);
+
+  void constrain(std::vector<CloneDetector::CloneGroup> &CloneGroups) {
+    CloneConstraint::filterGroups(
+        CloneGroups, [this](const CloneDetector::CloneGroup &Group) {
+          return isAutoGenerated(Group);
+        });
+  }
+};
+
 /// Analyzes the pattern of the referenced variables in a statement.
 class VariablePattern {