From 00c0a30acd5a5c6a1ef837b9bdd2c4c086b70204 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Fri, 26 Sep 2008 18:17:07 +0000
Subject: [PATCH] Do not create CFGs for functions/methods using blocks (need
 to add control-flow).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56672 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AST/CFG.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/AST/CFG.cpp b/lib/AST/CFG.cpp
index c0b1b96967..41ae454d44 100644
--- a/lib/AST/CFG.cpp
+++ b/lib/AST/CFG.cpp
@@ -165,6 +165,10 @@ public:
     return NYS();
   }
   
+  // Blocks.
+  CFGBlock* VisitBlockExpr(BlockExpr* E) { return NYS(); }
+  CFGBlock* VisitBlockDeclRefExpr(BlockDeclRefExpr* E) { return NYS(); }  
+  
 private:
   CFGBlock* createBlock(bool add_successor = true);
   CFGBlock* addStmt(Stmt* Terminator);
@@ -455,6 +459,11 @@ CFGBlock* CFGBuilder::WalkAST(Stmt* Terminator, bool AlwaysAddStmt = false) {
       
       break;
     }
+    
+    // Blocks: No support for blocks ... yet
+    case Stmt::BlockExprClass:
+    case Stmt::BlockDeclRefExprClass:
+      return NYS();
       
     case Stmt::ParenExprClass:
       return WalkAST(cast<ParenExpr>(Terminator)->getSubExpr(), AlwaysAddStmt);