diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp
index 37156c4..a5ab09c 100644
--- a/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/lib/Target/ARM/ARMInstrInfo.cpp
@@ -278,7 +278,7 @@
         for (unsigned j = 0; j < 2; ++j) {
           // Look at the two new MI's in reverse order.
           MachineInstr *NewMI = NewMIs[j];
-          int NIdx = NewMI->findRegisterUseOperand(Reg);
+          int NIdx = NewMI->findRegisterUseOperandIdx(Reg);
           if (NIdx == -1)
             continue;
           LV.addVirtualRegisterKilled(Reg, NewMI);
diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index 6dee9c6..3f8f350 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -221,7 +221,7 @@
     }
   }
 
-  bool BaseKill = Loc->findRegisterUseOperand(Base, true) != -1;
+  bool BaseKill = Loc->findRegisterUseOperandIdx(Base, true) != -1;
   if (mergeOps(MBB, ++Loc, SOffset, Base, BaseKill, Opcode,Scratch,Regs, TII)) {
     Merges.push_back(prior(Loc));
     for (unsigned i = SIndex, e = MemOps.size(); i != e; ++i) {