Index: lib/CodeGen/DeadMachineInstructionElim.cpp
===================================================================
--- lib/CodeGen/DeadMachineInstructionElim.cpp
+++ lib/CodeGen/DeadMachineInstructionElim.cpp
@@ -169,6 +169,5 @@
     }
   }
 
-  LivePhysRegs.clear();
   return AnyChanges;
 }