From: Devang Patel <dpatel@apple.com>
Date: Thu, 27 Mar 2008 17:32:46 +0000 (+0000)
Subject: PHI->removeIncomingValue may remove PHInode.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4a3c0ac7980be53eb6e5f85c394895ad945fc68e;p=oota-llvm.git

PHI->removeIncomingValue may remove PHInode.
Increment iterator in advance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48890 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 513cad8a566..8053554c17c 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -1647,8 +1647,9 @@ void LoopIndexSplit::updatePHINodes(BasicBlock *ExitBB, BasicBlock *Latch,
                                     Loop *LP) {
 
   for (BasicBlock::iterator BI = ExitBB->begin(), BE = ExitBB->end(); 
-       BI != BE; ++BI) {
+       BI != BE; ) {
     PHINode *PN = dyn_cast<PHINode>(BI);
+    ++BI;
     if (!PN)
       break;