1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/VirtRegMap.h b/lib/CodeGen/VirtRegMap.h
index a5599f68b6..87a9b2a7c4 100644
--- a/lib/CodeGen/VirtRegMap.h
+++ b/lib/CodeGen/VirtRegMap.h
@@ -152,6 +152,11 @@ namespace llvm {
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 
+    MachineFunction &getMachineFunction() const {
+      assert(MF && "getMachineFunction called before runOnMAchineFunction");
+      return *MF;
+    }
+
     void grow();
 
     /// @brief returns true if the specified virtual register is