1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
index a8b65f50434..3b77a44c28a 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
@@ -88,11 +88,12 @@ public:
   /// Emit an unsigned constant.
   void AddUnsignedConstant(unsigned Value);
 
-  /// Emit an entire DIExpression on top of a machine register location.
+  /// \brief Emit an entire expression on top of a machine register location.
+  ///
   /// \param PieceOffsetInBits If this is one piece out of a fragmented
   /// location, this is the offset of the piece inside the entire variable.
   /// \return false if no DWARF register exists for MachineReg.
-  bool AddMachineRegExpression(DIExpression Expr, unsigned MachineReg,
+  bool AddMachineRegExpression(const MDExpression *Expr, unsigned MachineReg,
                                unsigned PieceOffsetInBits = 0);
   /// Emit a the operations remaining the DIExpressionIterator I.
   /// \param PieceOffsetInBits If this is one piece out of a fragmented