From d2e985fd323c167e20f77b045a1d99ad166e65db Mon Sep 17 00:00:00 2001
From: rdivacky <rdivacky@FreeBSD.org>
Date: Wed, 18 Nov 2009 14:58:34 +0000
Subject: Update LLVM to r89205.

---
 lib/Transforms/IPO/LoopExtractor.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/Transforms/IPO/LoopExtractor.cpp')

diff --git a/lib/Transforms/IPO/LoopExtractor.cpp b/lib/Transforms/IPO/LoopExtractor.cpp
index fd69aeb..cb81330 100644
--- a/lib/Transforms/IPO/LoopExtractor.cpp
+++ b/lib/Transforms/IPO/LoopExtractor.cpp
@@ -75,6 +75,10 @@ bool LoopExtractor::runOnLoop(Loop *L, LPPassManager &LPM) {
   if (L->getParentLoop())
     return false;
 
+  // If LoopSimplify form is not available, stay out of trouble.
+  if (!L->isLoopSimplifyForm())
+    return false;
+
   DominatorTree &DT = getAnalysis<DominatorTree>();
   bool Changed = false;
 
-- 
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