From dd12de686cb0a3bcff879ae895fe461caa6f7842 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Thu, 3 Sep 2009 15:09:24 +0000
Subject: [PATCH] Don't try to verify a LoopPass analysis if the loop has been
 deleted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80919 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/LoopPass.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Analysis/LoopPass.cpp b/lib/Analysis/LoopPass.cpp
index 0007aded2b5..1af3684dbe0 100644
--- a/lib/Analysis/LoopPass.cpp
+++ b/lib/Analysis/LoopPass.cpp
@@ -239,7 +239,9 @@ bool LPPassManager::runOnFunction(Function &F) {
         dumpPassInfo(P, MODIFICATION_MSG, ON_LOOP_MSG, "");
       dumpPreservedSet(P);
 
-      verifyPreservedAnalysis(LP);
+      if (!skipThisLoop)
+        verifyPreservedAnalysis(LP);
+
       removeNotPreservedAnalysis(P);
       recordAvailableAnalysis(P);
       removeDeadPasses(P, "", ON_LOOP_MSG);