1 files changed, 3 insertions, 3 deletions

diff --git a/lib/CodeGen/CriticalAntiDepBreaker.h b/lib/CodeGen/CriticalAntiDepBreaker.h
index 9e8db022621a..cc42dd2b8e32 100644
--- a/lib/CodeGen/CriticalAntiDepBreaker.h
+++ b/lib/CodeGen/CriticalAntiDepBreaker.h
@@ -72,9 +72,9 @@ namespace llvm {
     /// path
     /// of the ScheduleDAG and break them by renaming registers.
     ///
-    unsigned BreakAntiDependencies(std::vector<SUnit>& SUnits,
-                                   MachineBasicBlock::iterator& Begin,
-                                   MachineBasicBlock::iterator& End,
+    unsigned BreakAntiDependencies(const std::vector<SUnit>& SUnits,
+                                   MachineBasicBlock::iterator Begin,
+                                   MachineBasicBlock::iterator End,
                                    unsigned InsertPosIndex);
 
     /// Observe - Update liveness information to account for the current