From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Wed, 27 Feb 2008 22:37:28 +0000 (+0000)
Subject: Assert on invalid PHINode::addIncoming() arguments. Patch by Erick Tryzelaar!
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=351b0d4e4ef2427beabc07a10a43977060056c74;p=oota-llvm.git

Assert on invalid PHINode::addIncoming() arguments. Patch by Erick Tryzelaar!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47697 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h
index 59c2762d199..3474429f762 100644
--- a/include/llvm/Instructions.h
+++ b/include/llvm/Instructions.h
@@ -1312,6 +1312,8 @@ public:
   /// addIncoming - Add an incoming value to the end of the PHI list
   ///
   void addIncoming(Value *V, BasicBlock *BB) {
+    assert(V && "PHI node got a null value!");
+    assert(BB && "PHI node got a null basic block!");
     assert(getType() == V->getType() &&
            "All operands to PHI node must be the same type as the PHI node!");
     unsigned OpNo = NumOperands;