Add missing const qualifiers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37341 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetInstrInfo.cpp b/lib/Target/TargetInstrInfo.cpp
index 54158f7..56ec835 100644
--- a/lib/Target/TargetInstrInfo.cpp
+++ b/lib/Target/TargetInstrInfo.cpp
@@ -61,7 +61,7 @@
 }
 
 bool TargetInstrInfo::PredicateInstruction(MachineInstr *MI,
-                                      std::vector<MachineOperand> &Pred) const {
+                                const std::vector<MachineOperand> &Pred) const {
   bool MadeChange = false;
   const TargetInstrDescriptor *TID = MI->getInstrDescriptor();
   if (TID->Flags & M_PREDICABLE) {