add a new method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21929 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/SelectionDAGISel.h b/include/llvm/CodeGen/SelectionDAGISel.h
index ee028a6876d2a09b0b351e076f1dc854fe8f9aa7..22fe5559087692b461eecc489d9e095118d24459 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAGISel.h
+++ b/include/llvm/CodeGen/SelectionDAGISel.h
@@ -48,6 +48,7 @@ public:
 
   unsigned MakeReg(MVT::ValueType VT);
 
+  virtual void EmitFunctionEntryCode(Function &Fn, MachineFunction &MF) {}
   virtual void InstructionSelectBasicBlock(SelectionDAG &SD) = 0;
 
 private: