Clear the Processed set when it is no longer used, and clear the
IVUses list in releaseMemory().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91296 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/IVUsers.cpp b/lib/Analysis/IVUsers.cpp
index bf40323..627dbbb 100644
--- a/lib/Analysis/IVUsers.cpp
+++ b/lib/Analysis/IVUsers.cpp
@@ -307,6 +307,7 @@
   for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ++I)
     AddUsersIfInteresting(I);
 
+  Processed.clear();
   return false;
 }
 
@@ -369,7 +370,7 @@
 void IVUsers::releaseMemory() {
   IVUsesByStride.clear();
   StrideOrder.clear();
-  Processed.clear();
+  IVUses.clear();
 }
 
 void IVStrideUse::deleted() {