1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/include/llvm/IR/ModuleSummaryIndex.h b/llvm/include/llvm/IR/ModuleSummaryIndex.h
index a7b7560132d..6b866dbd9e9 100644
--- a/llvm/include/llvm/IR/ModuleSummaryIndex.h
+++ b/llvm/include/llvm/IR/ModuleSummaryIndex.h
@@ -168,6 +168,12 @@ public:
     return static_cast<GlobalValue::LinkageTypes>(Flags.Linkage);
   }
 
+  /// Sets the linkage to the value determined by global summary-based
+  /// optimization. Will be applied in the ThinLTO backends.
+  void setLinkage(GlobalValue::LinkageTypes Linkage) {
+    Flags.Linkage = Linkage;
+  }
+
   /// Return true if this summary is for a GlobalValue that needs promotion
   /// to be referenced from another module.
   bool needsRenaming() const { return GlobalValue::isLocalLinkage(linkage()); }
@@ -446,6 +452,13 @@ public:
     return NewName.str();
   }
 
+  /// Helper to obtain the unpromoted name for a global value (or the original
+  /// name if not promoted).
+  static StringRef getOriginalNameBeforePromote(StringRef Name) {
+    std::pair<StringRef, StringRef> Pair = Name.split(".llvm.");
+    return Pair.first;
+  }
+
   /// Add a new module path with the given \p Hash, mapped to the given \p
   /// ModID, and return an iterator to the entry in the index.
   ModulePathStringTableTy::iterator