1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/IR/LLVMContextImpl.h b/llvm/lib/IR/LLVMContextImpl.h
index a24114d0a0a..ae987e65bcb 100644
--- a/llvm/lib/IR/LLVMContextImpl.h
+++ b/llvm/lib/IR/LLVMContextImpl.h
@@ -1014,6 +1014,17 @@ public:
   /// instructions in different blocks at the same location.
   DenseMap<std::pair<const char *, unsigned>, unsigned> DiscriminatorTable;
 
+  typedef DenseMap<const Function *, ReturnInst *> FunctionDataMapTy;
+
+  /// \brief Mapping from a function to its prefix data, which is stored as the
+  /// operand of an unparented ReturnInst so that the prefix data has a Use.
+  FunctionDataMapTy PrefixDataMap;
+
+  /// \brief Mapping from a function to its prologue data, which is stored as
+  /// the operand of an unparented ReturnInst so that the prologue data has a
+  /// Use.
+  FunctionDataMapTy PrologueDataMap;
+
   int getOrAddScopeRecordIdxEntry(MDNode *N, int ExistingIdx);
   int getOrAddScopeInlinedAtIdxEntry(MDNode *Scope, MDNode *IA,int ExistingIdx);