diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp
index a29e5059f3d..db67c714c36 100644
--- a/lib/CodeGen/MachineLICM.cpp
+++ b/lib/CodeGen/MachineLICM.cpp
@@ -391,6 +391,8 @@ void MachineLICM::HoistRegionPostRA(MachineDomTreeNode *N) {
     if (PhysRegDefs[Candidates[i].Def] == 1)
       HoistPostRA(Candidates[i].MI, Candidates[i].Def);
   }
+
+  delete[] PhysRegDefs;
 }
 
 /// AddToLiveIns - Add register 'Reg' to the livein sets of BBs in the