Use ArrayRef instead of a reference to a SmallVectorImpl.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175385 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 3c67be5..e09ac4b 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1037,7 +1037,7 @@
 LiveIntervals::repairIntervalsInRange(MachineBasicBlock *MBB,
                                      MachineBasicBlock::reverse_iterator RBegin,
                                      MachineBasicBlock::reverse_iterator REnd,
-                                     SmallVectorImpl<unsigned> &OrigRegs) {
+                                      ArrayRef<unsigned> OrigRegs) {
   for (unsigned i = 0, e = OrigRegs.size(); i != e; ++i) {
     unsigned Reg = OrigRegs[i];
     if (!TargetRegisterInfo::isVirtualRegister(Reg))