diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index fbf2833..5f5aa3b 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -87,8 +87,8 @@
   
   r2iMap_.clear();
 
-  // Release VNInfo memroy regions after all VNInfo objects are dtor'd.
-  VNInfoAllocator.DestroyAll();
+  // Release VNInfo memory regions, VNInfo objects don't need to be dtor'd.
+  VNInfoAllocator.Reset();
   while (!CloneMIs.empty()) {
     MachineInstr *MI = CloneMIs.back();
     CloneMIs.pop_back();
diff --git a/lib/CodeGen/LiveStackAnalysis.cpp b/lib/CodeGen/LiveStackAnalysis.cpp
index 798b9b9..709e2c6 100644
--- a/lib/CodeGen/LiveStackAnalysis.cpp
+++ b/lib/CodeGen/LiveStackAnalysis.cpp
@@ -35,8 +35,8 @@
 }
 
 void LiveStacks::releaseMemory() {
-  // Release VNInfo memroy regions after all VNInfo objects are dtor'd.
-  VNInfoAllocator.DestroyAll();
+  // Release VNInfo memory regions, VNInfo objects don't need to be dtor'd.
+  VNInfoAllocator.Reset();
   S2IMap.clear();
   S2RCMap.clear();
 }