1 files changed, 14 insertions, 3 deletions
diff --git a/include/llvm/IR/AutoUpgrade.h b/include/llvm/IR/AutoUpgrade.h
index a4b3c410c4f65..9eb358682c655 100644
--- a/include/llvm/IR/AutoUpgrade.h
+++ b/include/llvm/IR/AutoUpgrade.h
@@ -14,13 +14,14 @@
 #ifndef LLVM_IR_AUTOUPGRADE_H
 #define LLVM_IR_AUTOUPGRADE_H
 
-#include <string>
+#include "llvm/ADT/StringRef.h"
 
 namespace llvm {
   class CallInst;
   class Constant;
   class Function;
   class Instruction;
+  class MDNode;
   class Module;
   class GlobalVariable;
   class Type;
@@ -46,6 +47,10 @@ namespace llvm {
   /// if it requires upgrading.
   bool UpgradeGlobalVariable(GlobalVariable *GV);
 
+  /// This checks for module flags which should be upgraded. It returns true if
+  /// module is modified.
+  bool UpgradeModuleFlags(Module &M);
+
   /// If the TBAA tag for the given instruction uses the scalar TBAA format,
   /// we upgrade it to the struct-path aware TBAA format.
   void UpgradeInstWithTBAATag(Instruction *I);
@@ -64,8 +69,14 @@ namespace llvm {
   /// info. Return true if module is modified.
   bool UpgradeDebugInfo(Module &M);
 
-  /// Upgrade a metadata string constant in place.
-  void UpgradeMDStringConstant(std::string &String);
+  /// Check whether a string looks like an old loop attachment tag.
+  inline bool mayBeOldLoopAttachmentTag(StringRef Name) {
+    return Name.startswith("llvm.vectorizer.");
+  }
+
+  /// Upgrade the loop attachment metadata node.
+  MDNode *upgradeInstructionLoopAttachment(MDNode &N);
+
 } // End llvm namespace
 
 #endif