From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 5 Jun 2007 07:05:25 +0000 (+0000)
Subject: I had a senior moment.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c53ef58a3549131e5307f10417406e8fd8aea6d4;p=oota-llvm.git

I had a senior moment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37433 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp
index 1023f8fd950..c0c6b383e6c 100644
--- a/lib/CodeGen/IfConversion.cpp
+++ b/lib/CodeGen/IfConversion.cpp
@@ -444,10 +444,11 @@ bool IfConverter::AnalyzeBlocks(MachineFunction &MF,
 /// isNextBlock - Returns true either if ToBB the next block after BB or
 /// that all the intervening blocks are empty.
 static bool isNextBlock(MachineBasicBlock *BB, MachineBasicBlock *ToBB) {
-  MachineFunction *MF = BB->getParent();
   MachineFunction::iterator I = BB;
-  while (++I != MF->end() && I != MachineFunction::iterator(ToBB))
-    if (!I->empty())
+  MachineFunction::iterator TI = ToBB;
+  MachineFunction::iterator E = BB->getParent()->end();
+  while (++I != TI)
+    if (I == E || !I->empty())
       return false;
   return true;
 }