1 files changed, 16 insertions, 0 deletions
diff --git a/include/llvm/Bitcode/BitcodeReader.h b/include/llvm/Bitcode/BitcodeReader.h
index 0701ddbb7f1c..54f990d00233 100644
--- a/include/llvm/Bitcode/BitcodeReader.h
+++ b/include/llvm/Bitcode/BitcodeReader.h
@@ -93,6 +93,10 @@ namespace llvm {
 
     /// Parse the specified bitcode buffer, returning the module summary index.
     Expected<std::unique_ptr<ModuleSummaryIndex>> getSummary();
+
+    /// Parse the specified bitcode buffer and merge its module summary index
+    /// into CombinedIndex.
+    Error readSummary(ModuleSummaryIndex &CombinedIndex, unsigned ModuleId);
   };
 
   /// Returns a list of modules in the specified bitcode buffer.
@@ -141,6 +145,18 @@ namespace llvm {
   Expected<std::unique_ptr<ModuleSummaryIndex>>
   getModuleSummaryIndex(MemoryBufferRef Buffer);
 
+  /// Parse the specified bitcode buffer and merge the index into CombinedIndex.
+  Error readModuleSummaryIndex(MemoryBufferRef Buffer,
+                               ModuleSummaryIndex &CombinedIndex,
+                               unsigned ModuleId);
+
+  /// Parse the module summary index out of an IR file and return the module
+  /// summary index object if found, or an empty summary if not. If Path refers
+  /// to an empty file and the -ignore-empty-index-file cl::opt flag is passed
+  /// this function will return nullptr.
+  Expected<std::unique_ptr<ModuleSummaryIndex>>
+  getModuleSummaryIndexForFile(StringRef Path);
+
   /// isBitcodeWrapper - Return true if the given bytes are the magic bytes
   /// for an LLVM IR bitcode wrapper.
   ///