Add ImmutableMap methods 'manualRetain()', 'manualRelease()', and 'ge…

…tRootWithoutRetain()' to help more aggressively reclaim memory in the static analyzer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126011 91177308-0d34-0410-b5e6-96231b3b80d8
hylsd · Feb 19, 2011 · 3f912ad · 3f912ad
1 parent 5bc9fec
commit 3f912ad
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/include/llvm/ADT/ImmutableMap.h b/include/llvm/ADT/ImmutableMap.h
@@ -134,11 +134,23 @@ class ImmutableMap {
     return Root && RHS.Root ? Root->isNotEqual(*RHS.Root) : Root != RHS.Root;
   }
 
-  TreeTy* getRoot() const {
+  TreeTy *getRoot() const {
     if (Root) { Root->retain(); }
     return Root;
   }
 
+  TreeTy *getRootWithoutRetain() const {
+    return Root;
+  }
+
+  void manualRetain() {
+    if (Root) Root->retain();
+  }
+
+  void manualRelease() {
+    if (Root) Root->release();
+  }
+
   bool isEmpty() const { return !Root; }
 
   //===--------------------------------------------------===//