Reuse the MO variable instead of recomputing it in RegAllocLocal.
Keep RegAllocSimple in sync.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53351 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index c59d3b8..28836bd 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -839,7 +839,7 @@
         getVirtRegLastUse(DestVirtReg) = std::make_pair((MachineInstr*)0, 0);
         DOUT << "  Assigning " << TRI->getName(DestPhysReg)
              << " to %reg" << DestVirtReg << "\n";
-        MI->getOperand(i).setReg(DestPhysReg);  // Assign the output register
+        MO.setReg(DestPhysReg);  // Assign the output register
       }
     }