From: Chris Lattner <sabre@nondot.org>
Date: Fri, 30 Oct 2009 22:15:48 +0000 (+0000)
Subject: it isn't valid to take the address of the entry block.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=287db0c23c9188c563cc2ff449733f233535496e;p=oota-llvm.git

it isn't valid to take the address of the entry block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85621 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp
index 06eccc0ba45..fc90148b8b5 100644
--- a/lib/VMCore/Verifier.cpp
+++ b/lib/VMCore/Verifier.cpp
@@ -658,6 +658,8 @@ void Verifier::visitFunction(Function &F) {
     BasicBlock *Entry = &F.getEntryBlock();
     Assert1(pred_begin(Entry) == pred_end(Entry),
             "Entry block to function must not have predecessors!", Entry);
+    Assert1(!Entry->hasAddressTaken(),
+            "blockaddress may not be used with the entry block!", Entry);
   }
   
   // If this function is actually an intrinsic, verify that it is only used in