From ca960c9946094deab036101b755c5bbed1cd9f86 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Sat, 13 May 2006 18:11:32 +0000
Subject: [PATCH] Fix an infinite loop bug that Vladimir Prus identified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28281 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Transforms/Utils/BasicBlockUtils.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/llvm/Transforms/Utils/BasicBlockUtils.h b/include/llvm/Transforms/Utils/BasicBlockUtils.h
index 9fe7e47fe8c..4c12c704d2d 100644
--- a/include/llvm/Transforms/Utils/BasicBlockUtils.h
+++ b/include/llvm/Transforms/Utils/BasicBlockUtils.h
@@ -86,9 +86,10 @@ inline bool SplitCriticalEdge(BasicBlock *Succ, pred_iterator PI, Pass *P = 0) {
 
 inline bool SplitCriticalEdge(BasicBlock *Src, BasicBlock *Dst, Pass *P = 0) {
   TerminatorInst *TI = Src->getTerminator();
-  for (unsigned i = 0, e = TI->getNumSuccessors(); ; ++i)
+  for (unsigned i = 0, e = TI->getNumSuccessors(); i != e; ++i)
     if (TI->getSuccessor(i) == Dst)
       return SplitCriticalEdge(TI, i, P);
+  return false;
 }
 } // End llvm namespace