diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 134d276..6a8b083 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -119,7 +119,7 @@
   OS << ":\n";
 
   const MRegisterInfo *MRI = MF->getTarget().getRegisterInfo();  
-  if (livein_begin() != livein_end()) {
+  if (!livein_empty()) {
     OS << "Live Ins:";
     for (const_livein_iterator I = livein_begin(),E = livein_end(); I != E; ++I)
       OutputReg(OS, *I, MRI);