Include pruning and general cleanup.

llvm-svn: 169095

1 files changed, 16 insertions, 6 deletions

diff --git a/clang/lib/Analysis/LiveVariables.cpp b/clang/lib/Analysis/LiveVariables.cpp
index 38f8199bffc..623bbe70cc7 100644
--- a/clang/lib/Analysis/LiveVariables.cpp
+++ b/clang/lib/Analysis/LiveVariables.cpp
@@ -1,15 +1,25 @@
+//=- LiveVariables.cpp - Live Variable Analysis for Source CFGs ----------*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements Live Variables analysis for source-level CFGs.
+//
+//===----------------------------------------------------------------------===//
+
 #include "clang/Analysis/Analyses/LiveVariables.h"
 #include "clang/Analysis/Analyses/PostOrderCFGView.h"
-
-#include "clang/AST/Stmt.h"
 #include "clang/Analysis/CFG.h"
 #include "clang/Analysis/AnalysisContext.h"
+#include "clang/AST/Stmt.h"
 #include "clang/AST/StmtVisitor.h"
-
-#include "llvm/ADT/PostOrderIterator.h"
 #include "llvm/ADT/DenseMap.h"
-
-#include <deque>
+#include "llvm/ADT/PostOrderIterator.h"
+#include "llvm/Support/raw_ostream.h"
 #include <algorithm>
 #include <vector>