From: Ted Kremenek <kremenek@apple.com>
Date: Sun, 2 Oct 2011 01:47:07 +0000 (+0000)
Subject: Make canonicalization of ImmutableSetRef::asImmutableSet() semi-explicit.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4f101db8852ba60d8d9545f7e0b5ad8a7b18c8b1;p=oota-llvm.git

Make canonicalization of ImmutableSetRef::asImmutableSet() semi-explicit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140959 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/ADT/ImmutableSet.h b/include/llvm/ADT/ImmutableSet.h
index 8e2fea56587..d597a7c9be7 100644
--- a/include/llvm/ADT/ImmutableSet.h
+++ b/include/llvm/ADT/ImmutableSet.h
@@ -1145,8 +1145,9 @@ public:
     return Root ? Root->contains(V) : false;
   }
   
-  ImmutableSet<ValT> asImmutableSet() const {
-    return ImmutableSet<ValT>(Factory->getCanonicalTree(Root));
+  ImmutableSet<ValT> asImmutableSet(bool canonicalize = true) const {
+    return ImmutableSet<ValT>(canonicalize ?
+                              Factory->getCanonicalTree(Root) : Root);
   }
   
   TreeTy *getRootWithoutRetain() const {