From: Zhongxing Xu <xuzhongxing@gmail.com>
Date: Thu, 27 Nov 2008 02:39:34 +0000 (+0000)
Subject: Add comments.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8fd9b3508a03b7216782e42218aa244c00395c5c;p=clang

Add comments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60146 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/BasicConstraintManager.cpp b/lib/Analysis/BasicConstraintManager.cpp
index 6f62c4ba77..7bed3931bf 100644
--- a/lib/Analysis/BasicConstraintManager.cpp
+++ b/lib/Analysis/BasicConstraintManager.cpp
@@ -448,6 +448,8 @@ bool BasicConstraintManager::isEqual(const GRState* St, SymbolID sym,
   return T ? **T == V : false;
 }
 
+/// Scan all symbols referenced by the constraints. If the symbol is not alive
+/// as marked in LSymbols, mark it as dead in DSymbols.
 const GRState* BasicConstraintManager::RemoveDeadBindings(const GRState* St,
                                         StoreManager::LiveSymbolsTy& LSymbols,
                                         StoreManager::DeadSymbolsTy& DSymbols) {