From 5374405dc12673e6c07869132faf7b837e95dc79 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Sat, 9 May 2009 19:18:01 +0000
Subject: [PATCH] Oops. Don't forget to align single bb loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71363 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CodePlacementOpt.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/CodePlacementOpt.cpp b/lib/CodeGen/CodePlacementOpt.cpp
index 32399bff95f..77d23eed6c9 100644
--- a/lib/CodeGen/CodePlacementOpt.cpp
+++ b/lib/CodeGen/CodePlacementOpt.cpp
@@ -248,7 +248,7 @@ static bool HeaderShouldBeAligned(MachineBasicBlock *MBB) {
   for (MachineBasicBlock::pred_iterator PI = MBB->pred_begin(),
          PE = MBB->pred_end(); PI != PE; ++PI) {
     MachineBasicBlock *PredMBB = *PI;
-    if (PredMBB->getNumber() > MBB->getNumber())
+    if (PredMBB == MBB || PredMBB->getNumber() > MBB->getNumber())
       return true;
   }
   return false;