Destroy MethodLiveVarInfo after register allocation.

llvm-svn: 1976
diff --git a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
index 1fbe525..b6a8ae1 100644
--- a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -63,6 +63,7 @@
                                       Pass::AnalysisSet &Provided) {
       Requires.push_back(cfg::LoopInfo::ID);
       Requires.push_back(MethodLiveVarInfo::ID);
+      Destroyed.push_back(MethodLiveVarInfo::ID);
     }
   };
 }