1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index 9d1568f..ac2d338 100644
--- a/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
@@ -41,7 +41,7 @@ private:
       SDNode *Node;         // valid for expressions
       unsigned ResNo;       // valid for expressions
     } s;
-    Value *Const;           // valid for constants
+    const Value *Const;     // valid for constants
     unsigned FrameIx;       // valid for stack objects
   } u;
   MDNode *mdPtr;
@@ -60,7 +60,8 @@ public:
   }
 
   // Constructor for constants.
-  SDDbgValue(MDNode *mdP, Value *C, uint64_t off, DebugLoc dl, unsigned O) : 
+  SDDbgValue(MDNode *mdP, const Value *C, uint64_t off, DebugLoc dl,
+             unsigned O) : 
     mdPtr(mdP), Offset(off), DL(dl), Order(O), Invalid(false) {
     kind = CONST;
     u.Const = C;
@@ -86,7 +87,7 @@ public:
   unsigned getResNo() { assert (kind==SDNODE); return u.s.ResNo; }
 
   // Returns the Value* for a constant
-  Value *getConst() { assert (kind==CONST); return u.Const; }
+  const Value *getConst() { assert (kind==CONST); return u.Const; }
 
   // Returns the FrameIx for a stack object
   unsigned getFrameIx() { assert (kind==FRAMEIX); return u.FrameIx; }