From: Ted Kremenek <kremenek@apple.com>
Date: Fri, 18 Sep 2009 22:29:35 +0000 (+0000)
Subject: Fix regression introduced by r82198 that caused functions/methods with invalid CFGs... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=75d03cffe20b5c945ef04eba208efb0437339997;p=clang

Fix regression introduced by r82198 that caused functions/methods with invalid CFGs to get analyzed.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82297 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Frontend/AnalysisConsumer.cpp b/lib/Frontend/AnalysisConsumer.cpp
index 0e25de4ff8..d078cb7978 100644
--- a/lib/Frontend/AnalysisConsumer.cpp
+++ b/lib/Frontend/AnalysisConsumer.cpp
@@ -301,7 +301,12 @@ static void ActionGRExprEngine(AnalysisManager& mgr, Decl *D,
   // Display progress.
   mgr.DisplayFunction(D);
 
-  // Construct the analysis engine.
+  // Construct the analysis engine.  We first query for the LiveVariables
+  // information to see if the CFG is valid.
+  // FIXME: Inter-procedural analysis will need to handle invalid CFGs.
+  if (!mgr.getLiveVariables(D))
+    return;  
+  
   GRExprEngine Eng(mgr);
 
   Eng.setTransferFunctions(tf);