RegionInfo: Make sure to free cached nodes; Tobias, please check!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109650 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/RegionInfo.cpp b/lib/Analysis/RegionInfo.cpp
index ac660e7..6f38dcc 100644
--- a/lib/Analysis/RegionInfo.cpp
+++ b/lib/Analysis/RegionInfo.cpp
@@ -59,6 +59,11 @@
: RegionNode(Parent, Entry, 1), RI(RInfo), DT(dt), exit(Exit) {}
Region::~Region() {
+ // Free the cached nodes.
+ for (BBNodeMapT::iterator it = BBNodeMap.begin(),
+ ie = BBNodeMap.end(); it != ie; ++it)
+ delete it->second;
+
// Only clean the cache for this Region. Caches of child Regions will be
// cleaned when the child Regions are deleted.
BBNodeMap.clear();