diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 9c318a5..8a6dfa6 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -548,8 +548,7 @@
   if (MBBI != E) {
     // Skip debug declarations, we don't want a DebugLoc from them.
     MachineBasicBlock::iterator MBBI2 = MBBI;
-    while (MBBI2 != E &&
-           MBBI2->getOpcode()==TargetInstrInfo::DEBUG_VALUE)
+    while (MBBI2 != E && MBBI2->isDebugValue())
       MBBI2++;
     if (MBBI2 != E)
       DL = MBBI2->getDebugLoc();